Round 7a: per-operator outbound attribution + GDELT GCS-direct fix

== Per-install operator handle for every third-party API call ==

Before this PR, every Shadowbroker install identified itself to
Wikipedia, Wikidata, Nominatim, GDELT, OpenMHz, Broadcastify,
weather.gov, NUFORC, Sentinel/Planetary Computer, TinyGS / CelesTrak,
Shodan, Finnhub, and others with a single project-wide User-Agent
("Shadowbroker/1.0" or "ShadowBroker-OSINT/1.0"). From the upstream's
perspective every install in the world looked like one giant scraper.
If one install misbehaved, the upstream's only recourse was to block
"Shadowbroker" as a whole.

PR #284 inadvertently doubled down on this in the frontend by
introducing a shared `WIKIMEDIA_API_USER_AGENT` constant. This PR
retrofits both backends to per-operator attribution.

  New setting: OPERATOR_HANDLE (env var / settings UI / auto-gen)
  New helper:  network_utils.outbound_user_agent("purpose")

The handle is auto-generated as "operator-XXXXXX" on first call (the
"shadow-" prefix from earlier drafts was deliberately dropped — too
suspicious-looking for abuse-detection systems). Operators can
override via OPERATOR_HANDLE; the value is sanitized to lowercase
alphanumeric+dash+underscore and capped at 48 chars. Persisted to
backend/data/operator_handle.json so it survives container restarts.

Retrofitted call sites (every previously-MONSTER User-Agent):
  - services/region_dossier.py (Wikipedia + Wikidata + Nominatim)
  - services/geocode.py         (Nominatim)
  - services/sentinel_search.py (Microsoft Planetary Computer)
  - services/feed_ingester.py   (operator-curated RSS feeds)
  - services/fetchers/earth_observation.py (weather.gov, NUFORC)
  - services/fetchers/infrastructure.py
  - services/fetchers/aircraft_database.py
  - services/fetchers/route_database.py
  - services/fetchers/trains.py
  - services/fetchers/meshtastic_map.py
  - services/shodan_connector.py
  - services/unusual_whales_connector.py (Finnhub)
  - services/tinygs_fetcher.py            (CelesTrak + TinyGS)
  - services/sar/sar_products_client.py
  - services/geopolitics.py               (GDELT)
  - services/radio_intercept.py           (Broadcastify + OpenMHz)
  - routers/cctv.py + main.py             (CCTV proxy)
  - routers/ai_intel.py
  - scripts/convert_power_plants.py       (release-time data refresh)

Spoofed browser UAs removed (issues #289 / #290 / #291 — tg12 audit):
  - cloudscraper-based Chrome impersonation against api.openmhz.com
    -> replaced with honest requests + per-install UA
  - Mozilla/5.0 spoofed UA on Broadcastify scrape
    -> replaced with honest UA
  - Mozilla/5.0 + fake first-party Referer on OpenMHz audio relay
    -> replaced with honest UA
  - cloudscraper dependency dropped from pyproject.toml + uv.lock

Frontend retrofit:
  - new GET /api/settings/operator-handle endpoint (local-operator
    gated) returns the install's handle
  - frontend/src/lib/wikimediaClient.ts fetches the handle once on
    first use, caches it for page lifetime, embeds it in the
    Api-User-Agent for every Wikipedia / Wikidata browser-direct call

== GDELT GCS-direct fix ==

GDELT's data.gdeltproject.org is a CNAME to a Google Cloud Storage
bucket. GCS responds with the wildcard *.storage.googleapis.com cert
which legitimately does NOT cover the GDELT custom domain, so Python's
TLS verification correctly refuses the connection. Some networks
happen to route through a path where this works; many (notably Docker
Desktop's outbound NAT on local installs) do not. Verified on the
maintainer's local install: GDELT was unreachable; 1610 geopolitical
events / 48 export files were dropping silently.

Fix: services/geopolitics._gcs_direct_gdelt_url() rewrites any
data.gdeltproject.org URL to its GCS-direct equivalent
(storage.googleapis.com/data.gdeltproject.org/...) where the standard
GCS cert is genuinely valid. api.gdeltproject.org and every other host
are left untouched.

Confirmed live: backend log goes from
  GDELT lastupdate failed: 500
to
  Downloading 48 GDELT export files...
  Downloaded 48/48 GDELT exports
  GDELT parsed: 1610 conflict locations from 48 files

== Tests ==

  backend/tests/test_per_operator_outbound_attribution.py (12 tests)
  backend/tests/test_gdelt_gcs_direct_rewrite.py          (6 tests)
  backend/tests/test_region_dossier_wikimedia_ua.py       (updated to
    pin the helper + per-operator handle, not the old constant)
  frontend/src/__tests__/utils/wikimediaClient.test.ts    (rewritten
    to mock /api/settings/operator-handle and assert per-operator UA)

Local: backend 114/114 security+audit+round7a suite green;
       frontend 718/718 vitest suite green.

Credit: tg12 (external security audit, issues #289/#290/#291
relating to spoofed UAs); BigBodyCobain (operator-prefix call,
GDELT cloud-vs-local diagnosis).

.gitignore

@@ -105,6 +105,10 @@ backend/data/*
 # the self-updater as a second-line integrity check when the release's
 # SHA256SUMS.txt asset can't be fetched.
 !backend/data/release_digests.json
+# Issue #244/#245/#246: one-shot carrier-position seed shipped with each
+# release. Used ONLY on first-ever startup to bootstrap carrier_cache.json;
+# after that the cache reflects this install's own GDELT observations.
+!backend/data/carrier_seed.json
 
 # OS generated files
 .DS_Store

backend/.env.example

@@ -24,14 +24,28 @@ AIS_API_KEY=              # https://aisstream.io/ — free tier WebSocket key
 # Requires MESH_DEBUG_MODE=true; do not enable this for ordinary use.
 # ALLOW_INSECURE_ADMIN=false
 
-# Default outbound User-Agent for all third-party HTTP fetchers.
-# Project-generic by default — does NOT include any personal contact info or
-# operator-specific identifier. Override only if you run a public relay and
-# want upstreams to be able to reach you (e.g. Nominatim/OSM usage policy).
-# SHADOWBROKER_USER_AGENT=ShadowBroker-OSINT/0.9 (contact: ops@example.com)
+# Per-install operator handle. Round 7a: every outbound third-party API
+# call (Wikipedia, Wikidata, Nominatim, GDELT, OpenMHz, Broadcastify,
+# weather.gov, NUFORC, etc.) includes this handle in the User-Agent so
+# upstreams can rate-limit / contact the specific install instead of
+# treating every Shadowbroker user as one entity.
+#
+# Default empty -> a stable pseudonymous handle (e.g. "operator-7f3a92") is
+# auto-generated on first run and persisted to backend/data/operator_handle.json.
+# Operators who want a meaningful handle (real name, org, GitHub login) can
+# set it here. Special characters are sanitized to dashes.
+# OPERATOR_HANDLE=
 
-# User-Agent for Nominatim geocoding requests (per OSM usage policy).
-# NOMINATIM_USER_AGENT=ShadowBroker/1.0
+# Default outbound User-Agent for all third-party HTTP fetchers. Operators
+# who run a public relay and want a completely custom UA can set this; it
+# bypasses the per-operator helper entirely. Most installs should leave it
+# unset and use OPERATOR_HANDLE instead.
+# SHADOWBROKER_USER_AGENT=
+
+# Nominatim-specific User-Agent override (OSM usage policy). Leave unset to
+# use the per-install handle (default) — set only if you have a registered
+# Nominatim relay identity.
+# NOMINATIM_USER_AGENT=
 
 # ── Third-party fetcher opt-ins ────────────────────────────────
 # These data sources phone home to politically/commercially sensitive

backend/auth.py

@@ -45,6 +45,7 @@ from services.mesh.mesh_compatibility import (
 from services.mesh.mesh_crypto import (
     _derive_peer_key,
     normalize_peer_url,
+    resolve_peer_key_for_url,
     verify_signature,
     verify_node_binding,
     parse_public_key_algo,
@@ -1403,11 +1404,15 @@ def _peer_hmac_url_from_request(request: Request) -> str:
 
 
 def _verify_peer_push_hmac(request: Request, body_bytes: bytes) -> bool:
-    """Verify HMAC-SHA256 peer authentication on push requests."""
-    secret = str(get_settings().MESH_PEER_PUSH_SECRET or "").strip()
-    if not secret:
-        return False
+    """Verify HMAC-SHA256 peer authentication on push requests.
 
+    Issue #256: ``resolve_peer_key_for_url`` looks up a per-peer secret
+    in ``MESH_PEER_SECRETS`` first, then falls back to the global
+    ``MESH_PEER_PUSH_SECRET``. When a peer URL is listed in the per-peer
+    map, only the listed secret is accepted for it — the global secret
+    is ignored, so any peer that knows only the global secret cannot
+    forge a request claiming to be that peer.
+    """
     provided = str(request.headers.get("x-peer-hmac", "") or "").strip()
     if not provided:
         return False
@@ -1416,7 +1421,7 @@ def _verify_peer_push_hmac(request: Request, body_bytes: bytes) -> bool:
     allowed_peers = set(authenticated_push_peer_urls())
     if not peer_url or peer_url not in allowed_peers:
         return False
-    peer_key = _derive_peer_key(secret, peer_url)
+    peer_key = resolve_peer_key_for_url(peer_url)
     if not peer_key:
         return False
 

backend/data/carrier_seed.json

@@ -0,0 +1,120 @@
+{
+  "_meta": {
+    "as_of": "2026-03-09",
+    "source": "USNI News Fleet & Marine Tracker",
+    "source_url": "https://news.usni.org/2026/03/09/usni-news-fleet-and-marine-tracker-march-9-2026",
+    "note": "One-shot bootstrap for first-run carrier positions. Once carrier_cache.json exists in the runtime data volume, this seed file is never read again. All subsequent updates come from GDELT (and any future sources) and are written to carrier_cache.json. A year from now, your runtime cache reflects whatever your install has observed since first launch — not these snapshot positions."
+  },
+  "carriers": {
+    "CVN-68": {
+      "lat": 47.5535,
+      "lng": -122.6400,
+      "heading": 90,
+      "desc": "Bremerton, WA (Maintenance)",
+      "source": "USNI News Fleet & Marine Tracker (seed, as of 2026-03-09)",
+      "source_url": "https://news.usni.org/category/fleet-tracker",
+      "position_source_at": "2026-03-09T00:00:00Z",
+      "position_confidence": "seed"
+    },
+    "CVN-76": {
+      "lat": 47.5580,
+      "lng": -122.6360,
+      "heading": 90,
+      "desc": "Bremerton, WA (Decommissioning)",
+      "source": "USNI News Fleet & Marine Tracker (seed, as of 2026-03-09)",
+      "source_url": "https://news.usni.org/category/fleet-tracker",
+      "position_source_at": "2026-03-09T00:00:00Z",
+      "position_confidence": "seed"
+    },
+    "CVN-69": {
+      "lat": 36.9465,
+      "lng": -76.3265,
+      "heading": 0,
+      "desc": "Norfolk, VA (Post-deployment maintenance)",
+      "source": "USNI News Fleet & Marine Tracker (seed, as of 2026-03-09)",
+      "source_url": "https://news.usni.org/category/fleet-tracker",
+      "position_source_at": "2026-03-09T00:00:00Z",
+      "position_confidence": "seed"
+    },
+    "CVN-78": {
+      "lat": 18.0,
+      "lng": 39.5,
+      "heading": 0,
+      "desc": "Red Sea — Operation Epic Fury (USNI Mar 9)",
+      "source": "USNI News Fleet & Marine Tracker (seed, as of 2026-03-09)",
+      "source_url": "https://news.usni.org/category/fleet-tracker",
+      "position_source_at": "2026-03-09T00:00:00Z",
+      "position_confidence": "seed"
+    },
+    "CVN-74": {
+      "lat": 36.98,
+      "lng": -76.43,
+      "heading": 0,
+      "desc": "Newport News, VA (RCOH refueling overhaul)",
+      "source": "USNI News Fleet & Marine Tracker (seed, as of 2026-03-09)",
+      "source_url": "https://news.usni.org/category/fleet-tracker",
+      "position_source_at": "2026-03-09T00:00:00Z",
+      "position_confidence": "seed"
+    },
+    "CVN-75": {
+      "lat": 36.0,
+      "lng": 15.0,
+      "heading": 0,
+      "desc": "Mediterranean Sea deployment (USNI Mar 9)",
+      "source": "USNI News Fleet & Marine Tracker (seed, as of 2026-03-09)",
+      "source_url": "https://news.usni.org/category/fleet-tracker",
+      "position_source_at": "2026-03-09T00:00:00Z",
+      "position_confidence": "seed"
+    },
+    "CVN-77": {
+      "lat": 36.5,
+      "lng": -74.0,
+      "heading": 0,
+      "desc": "Atlantic — Pre-deployment workups (USNI Mar 9)",
+      "source": "USNI News Fleet & Marine Tracker (seed, as of 2026-03-09)",
+      "source_url": "https://news.usni.org/category/fleet-tracker",
+      "position_source_at": "2026-03-09T00:00:00Z",
+      "position_confidence": "seed"
+    },
+    "CVN-70": {
+      "lat": 32.6840,
+      "lng": -117.1290,
+      "heading": 180,
+      "desc": "San Diego, CA (Homeport)",
+      "source": "USNI News Fleet & Marine Tracker (seed, as of 2026-03-09)",
+      "source_url": "https://news.usni.org/category/fleet-tracker",
+      "position_source_at": "2026-03-09T00:00:00Z",
+      "position_confidence": "seed"
+    },
+    "CVN-71": {
+      "lat": 32.6885,
+      "lng": -117.1280,
+      "heading": 180,
+      "desc": "San Diego, CA (Maintenance)",
+      "source": "USNI News Fleet & Marine Tracker (seed, as of 2026-03-09)",
+      "source_url": "https://news.usni.org/category/fleet-tracker",
+      "position_source_at": "2026-03-09T00:00:00Z",
+      "position_confidence": "seed"
+    },
+    "CVN-72": {
+      "lat": 20.0,
+      "lng": 64.0,
+      "heading": 0,
+      "desc": "Arabian Sea — Operation Epic Fury (USNI Mar 9)",
+      "source": "USNI News Fleet & Marine Tracker (seed, as of 2026-03-09)",
+      "source_url": "https://news.usni.org/category/fleet-tracker",
+      "position_source_at": "2026-03-09T00:00:00Z",
+      "position_confidence": "seed"
+    },
+    "CVN-73": {
+      "lat": 35.2830,
+      "lng": 139.6700,
+      "heading": 180,
+      "desc": "Yokosuka, Japan (Forward deployed)",
+      "source": "USNI News Fleet & Marine Tracker (seed, as of 2026-03-09)",
+      "source_url": "https://news.usni.org/category/fleet-tracker",
+      "position_source_at": "2026-03-09T00:00:00Z",
+      "position_confidence": "seed"
+    }
+  }
+}

backend/main.py

@@ -220,6 +220,7 @@ from services.mesh.mesh_crypto import (
     _derive_peer_key,
     derive_node_id,
     normalize_peer_url,
+    resolve_peer_key_for_url,
     verify_node_binding,
     parse_public_key_algo,
 )
@@ -1079,8 +1080,18 @@ def _public_mesh_log_size(entries: list[dict[str, Any]]) -> int:
     return sum(1 for item in entries if _public_mesh_log_entry(item) is not None)
 
 
-_WORMHOLE_PUBLIC_SETTINGS_FIELDS = {"enabled", "transport", "anonymous_mode"}
-_WORMHOLE_PUBLIC_PROFILE_FIELDS = {"profile", "wormhole_enabled"}
+# Issue #243 (tg12): the public redaction now exposes only the bare
+# "is Wormhole on?" boolean. Transport choice (tor/i2p/mixnet/direct),
+# anonymous-mode state, and the named privacy profile are all
+# operational posture and were leaking actionable recon to any
+# unauthenticated caller. They are now gated behind authenticated reads
+# (admin key or scoped-view token). Loopback Tauri shells and Docker
+# bridge frontend containers continue to see full status because the
+# Next.js catch-all proxy injects the configured ADMIN_KEY for
+# same-origin/non-browser callers (see PR #263), so legitimate operator
+# UX is unaffected.
+_WORMHOLE_PUBLIC_SETTINGS_FIELDS = {"enabled"}
+_WORMHOLE_PUBLIC_PROFILE_FIELDS = {"wormhole_enabled"}
 _PRIVATE_LANE_CONTROL_FIELDS = {"private_lane_tier", "private_lane_policy"}
 _PUBLIC_RNS_STATUS_FIELDS = {"enabled", "ready", "configured_peers", "active_peers"}
 _NODE_PUBLIC_EVENT_HOOK_REGISTERED = False
@@ -1745,10 +1756,12 @@ def _http_peer_push_loop() -> None:
                 _NODE_SYNC_STOP.wait(_PEER_PUSH_INTERVAL_S)
                 continue
 
-            secret = str(get_settings().MESH_PEER_PUSH_SECRET or "").strip()
-            if not secret:
-                _NODE_SYNC_STOP.wait(_PEER_PUSH_INTERVAL_S)
-                continue
+            # Issue #256: resolve_peer_key_for_url() handles both the
+            # legacy global MESH_PEER_PUSH_SECRET path and the per-peer
+            # MESH_PEER_SECRETS map. The per-peer skip happens below
+            # ("if not peer_key: continue"), so we don't gate the whole
+            # loop on the global secret being set — an install that only
+            # configures per-peer secrets is now valid.
 
             peers = authenticated_push_peer_urls()
             if not peers:
@@ -1778,7 +1791,7 @@ def _http_peer_push_loop() -> None:
                         ensure_ascii=False,
                     ).encode("utf-8")
 
-                    peer_key = _derive_peer_key(secret, normalized)
+                    peer_key = resolve_peer_key_for_url(normalized)
                     if not peer_key:
                         continue
                     import hmac as _hmac_mod2
@@ -1831,10 +1844,7 @@ def _http_gate_pull_loop() -> None:
                 _NODE_SYNC_STOP.wait(_GATE_PULL_INTERVAL_S)
                 continue
 
-            secret = str(get_settings().MESH_PEER_PUSH_SECRET or "").strip()
-            if not secret:
-                _NODE_SYNC_STOP.wait(_GATE_PULL_INTERVAL_S)
-                continue
+            # Issue #256: per-peer key resolution; see _http_peer_push_loop.
 
             peers = authenticated_push_peer_urls()
             if not peers:
@@ -1846,7 +1856,7 @@ def _http_gate_pull_loop() -> None:
                 if not normalized:
                     continue
 
-                peer_key = _derive_peer_key(secret, normalized)
+                peer_key = resolve_peer_key_for_url(normalized)
                 if not peer_key:
                     continue
 
@@ -1959,10 +1969,7 @@ def _http_gate_push_loop() -> None:
                 _NODE_SYNC_STOP.wait(_PEER_PUSH_INTERVAL_S)
                 continue
 
-            secret = str(get_settings().MESH_PEER_PUSH_SECRET or "").strip()
-            if not secret:
-                _NODE_SYNC_STOP.wait(_PEER_PUSH_INTERVAL_S)
-                continue
+            # Issue #256: per-peer key resolution; see _http_peer_push_loop.
 
             peers = authenticated_push_peer_urls()
             if not peers:
@@ -1977,7 +1984,7 @@ def _http_gate_push_loop() -> None:
                 if not normalized:
                     continue
 
-                peer_key = _derive_peer_key(secret, normalized)
+                peer_key = resolve_peer_key_for_url(normalized)
                 if not peer_key:
                     continue
 
@@ -8141,8 +8148,12 @@ def _cctv_proxy_profile_for_url(target_url: str) -> _CCTVProxyProfile:
 
 
 def _cctv_upstream_headers(request: Request, profile: _CCTVProxyProfile) -> dict[str, str]:
+    # Round 7a: per-install operator handle. See routers/cctv.py for the
+    # canonical handler; this duplicate stays in lockstep until the #239
+    # dedup ladder removes it.
+    from services.network_utils import outbound_user_agent
     headers = {
-        "User-Agent": "Mozilla/5.0 (compatible; ShadowBroker CCTV proxy)",
+        "User-Agent": f"Mozilla/5.0 (compatible; {outbound_user_agent('cctv-proxy')})",
         **profile.headers,
     }
     range_header = request.headers.get("range")
@@ -8813,9 +8824,14 @@ async def api_uw_flow(request: Request):
 from services.news_feed_config import get_feeds, save_feeds, reset_feeds
 
 
-@app.get("/api/settings/news-feeds")
+@app.get(
+    "/api/settings/news-feeds",
+    dependencies=[Depends(require_local_operator)],
+)
 @limiter.limit("30/minute")
 async def api_get_news_feeds(request: Request):
+    """Issue #252 (tg12): gated on local-operator. See the canonical
+    handler in backend/routers/admin.py for the full rationale."""
     return get_feeds()
 
 
@@ -9018,9 +9034,22 @@ class NodeSettingsUpdate(BaseModel):
 @app.get("/api/settings/node")
 @limiter.limit("30/minute")
 async def api_get_node_settings(request: Request):
+    """Issue #243 (tg12): node mode and participant state are
+    operational posture. Anonymous callers receive an empty stub —
+    enough for the UI to know the endpoint exists but nothing
+    fingerprintable. Authenticated callers see the full state.
+
+    Authenticated == local-operator (loopback / Docker bridge) OR an
+    admin / scoped-view token. The Tauri shell and Docker frontend
+    container both qualify via their existing transport (PR #263 +
+    PR #278), so legitimate operator UX is unchanged.
+    """
     from services.node_settings import read_node_settings
 
     data = await asyncio.to_thread(read_node_settings)
+    authenticated = _scoped_view_authenticated(request, "node")
+    if not authenticated:
+        return {}
     return {
         **data,
         "node_mode": _current_node_mode(),

backend/pyproject.toml

@@ -13,7 +13,6 @@ dependencies = [
     "apscheduler==3.10.3",
     "beautifulsoup4>=4.9.0",
     "cachetools==5.5.2",
-    "cloudscraper==1.2.71",
     "cryptography>=41.0.0",
     "defusedxml>=0.7.1",
     "fastapi==0.115.12",

backend/routers/admin.py

@@ -82,9 +82,40 @@ async def api_get_keys_meta(request: Request):
     return get_env_path_info()
 
 
-@router.get("/api/settings/news-feeds")
+@router.get(
+    "/api/settings/operator-handle",
+    dependencies=[Depends(require_local_operator)],
+)
+@limiter.limit("60/minute")
+async def api_get_operator_handle(request: Request):
+    """Round 7a: return the per-install operator handle so the frontend
+    can include it in browser-direct third-party API calls (Wikipedia /
+    Wikidata via lib/wikimediaClient). The handle is auto-generated on
+    first use; operators can override it via the OPERATOR_HANDLE setting
+    or the env var of the same name.
+
+    Gated on local-operator: legitimate browser usage goes through the
+    Next.js proxy which auto-attaches the admin key; remote scanners get
+    403. The handle itself isn't a secret (it's sent to every third-party
+    API the operator touches), but admin-gating it matches the rest of
+    the settings endpoints and follows least-privilege.
+    """
+    from services.network_utils import get_operator_handle
+    return {"handle": get_operator_handle()}
+
+
+@router.get(
+    "/api/settings/news-feeds",
+    dependencies=[Depends(require_local_operator)],
+)
 @limiter.limit("30/minute")
 async def api_get_news_feeds(request: Request):
+    """Issue #252 (tg12): the curated feed inventory is configuration
+    state, not a public data feed. Gated on local-operator so the
+    Tauri shell, the Docker bridge frontend, and any caller with an
+    admin key all see the full list; anonymous LAN/internet callers
+    can no longer enumerate operator source URLs.
+    """
     from services.news_feed_config import get_feeds
     return get_feeds()
 
@@ -118,9 +149,18 @@ async def api_reset_news_feeds(request: Request):
 @router.get("/api/settings/node")
 @limiter.limit("30/minute")
 async def api_get_node_settings(request: Request):
+    """Issue #243 (tg12): node_mode and node_enabled are operational
+    posture. Anonymous callers receive an empty stub; authenticated
+    callers (local-operator or admin/scoped token) see the full
+    state. See the canonical handler in backend/main.py for the full
+    rationale.
+    """
     import asyncio
+    from auth import _scoped_view_authenticated
     from services.node_settings import read_node_settings
     data = await asyncio.to_thread(read_node_settings)
+    if not _scoped_view_authenticated(request, "node"):
+        return {}
     return {
         **data,
         "node_mode": _current_node_mode(),
@@ -210,9 +250,19 @@ async def api_set_meshtastic_mqtt_settings(request: Request, body: MeshtasticMqt
     return _meshtastic_runtime_snapshot()
 
 
-@router.get("/api/settings/timemachine")
+@router.get(
+    "/api/settings/timemachine",
+    dependencies=[Depends(require_local_operator)],
+)
 @limiter.limit("30/minute")
 async def api_get_timemachine_settings(request: Request):
+    """Issue #253 (tg12): archival-capture posture is operationally
+    sensitive — it tells a remote caller whether this deployment is
+    retaining replayable historical surveillance data. Gated on
+    local-operator so the Tauri shell and Docker bridge frontend
+    still see the toggle state, but anonymous LAN/internet callers
+    can no longer fingerprint Time Machine state.
+    """
     import asyncio
     from services.node_settings import read_node_settings
     data = await asyncio.to_thread(read_node_settings)

backend/routers/ai_intel.py

@@ -18,6 +18,12 @@ from auth import require_local_operator, require_openclaw_or_local
 from limiter import limiter
 from services.fetchers._store import latest_data as _latest_data
 
+
+
+def _ai_intel_user_agent() -> str:
+    from services.network_utils import outbound_user_agent
+    return outbound_user_agent("ai-intel")
+
 logger = logging.getLogger(__name__)
 router = APIRouter()
 
@@ -447,7 +453,7 @@ async def ai_satellite_images(
             "https://planetarycomputer.microsoft.com/api/stac/v1/search",
             json=search_payload,
             timeout=10,
-            headers={"User-Agent": "ShadowBroker-OSINT/1.0 (ai-intel)"},
+            headers={"User-Agent": _ai_intel_user_agent()},
         )
         resp.raise_for_status()
         features = resp.json().get("features", [])

backend/routers/cctv.py

@@ -165,7 +165,13 @@ def _cctv_proxy_profile_for_url(target_url: str) -> _CCTVProxyProfile:
 
 
 def _cctv_upstream_headers(request: Request, profile: _CCTVProxyProfile) -> dict:
-    headers = {"User-Agent": "Mozilla/5.0 (compatible; ShadowBroker CCTV proxy)", **profile.headers}
+    # Round 7a: per-install operator handle. Mozilla/5.0 prefix retained
+    # because many CCTV endpoints sniff for a browser-like prefix.
+    from services.network_utils import outbound_user_agent
+    headers = {
+        "User-Agent": f"Mozilla/5.0 (compatible; {outbound_user_agent('cctv-proxy')})",
+        **profile.headers,
+    }
     range_header = request.headers.get("range")
     if range_header:
         headers["Range"] = range_header

backend/routers/mesh_oracle.py

@@ -223,11 +223,21 @@ async def oracle_markets_more(request: Request, category: str = "NEWS", offset:
             "has_more": offset + limit < len(cat_markets), "total": len(cat_markets)}
 
 
-@router.post("/api/mesh/oracle/resolve")
+@router.post(
+    "/api/mesh/oracle/resolve",
+    dependencies=[Depends(require_admin)],
+)
 @limiter.limit("5/minute")
 @mesh_write_exempt(MeshWriteExemption.ADMIN_CONTROL)
 async def oracle_resolve(request: Request):
-    """Resolve a prediction market."""
+    """Resolve a prediction market.
+
+    Issue #240 (tg12): requires admin authentication. The
+    ``mesh_write_exempt`` decorator below is **metadata only** — it tags
+    the route as not requiring a mesh signed-write envelope, it does
+    NOT itself enforce caller authorization. The ``Depends(require_admin)``
+    on the route decorator is what actually gates access.
+    """
     from services.mesh.mesh_oracle import oracle_ledger
     body = await request.json()
     market_title = body.get("market_title", "")
@@ -327,11 +337,18 @@ async def oracle_predictions(request: Request, node_id: str = ""):
         active_predictions, authenticated=_scoped_view_authenticated(request, "mesh.audit"))
 
 
-@router.post("/api/mesh/oracle/resolve-stakes")
+@router.post(
+    "/api/mesh/oracle/resolve-stakes",
+    dependencies=[Depends(require_admin)],
+)
 @limiter.limit("5/minute")
 @mesh_write_exempt(MeshWriteExemption.ADMIN_CONTROL)
 async def oracle_resolve_stakes(request: Request):
-    """Resolve all expired stake contests."""
+    """Resolve all expired stake contests.
+
+    Issue #241 (tg12): requires admin authentication. See the note on
+    ``oracle_resolve`` above — ``mesh_write_exempt`` is metadata only.
+    """
     from services.mesh.mesh_oracle import oracle_ledger
     resolutions = oracle_ledger.resolve_expired_stakes()
     return {"ok": True, "resolutions": resolutions, "count": len(resolutions)}

backend/routers/wormhole.py

@@ -160,8 +160,13 @@ router = APIRouter()
 
 # --- Constants ---
 
-_WORMHOLE_PUBLIC_SETTINGS_FIELDS = {"enabled", "transport", "anonymous_mode"}
-_WORMHOLE_PUBLIC_PROFILE_FIELDS = {"profile", "wormhole_enabled"}
+# Issue #243 (tg12): the public redaction now exposes only the bare
+# "is this on?" boolean. Transport choice, anonymous-mode state, and
+# the named privacy profile were all leaking actionable recon to
+# unauthenticated callers and are now gated behind authenticated reads.
+# See the matching block in backend/main.py for the full rationale.
+_WORMHOLE_PUBLIC_SETTINGS_FIELDS = {"enabled"}
+_WORMHOLE_PUBLIC_PROFILE_FIELDS = {"wormhole_enabled"}
 _PRIVATE_LANE_CONTROL_FIELDS = {"private_lane_tier", "private_lane_policy"}
 _PUBLIC_RNS_STATUS_FIELDS = {"enabled", "ready", "configured_peers", "active_peers"}
 _NODE_PUBLIC_EVENT_HOOK_REGISTERED = False

backend/scripts/convert_power_plants.py

@@ -20,7 +20,17 @@ OUT_PATH = Path(__file__).parent.parent / "data" / "power_plants.json"
 
 def main() -> None:
     print(f"Downloading WRI Global Power Plant Database from GitHub...")
-    req = urllib.request.Request(CSV_URL, headers={"User-Agent": "ShadowBroker-OSINT/1.0"})
+    # Round 7a: release-time data refresher. Uses the per-operator UA if
+    # available, otherwise a release-script-specific identifier. This
+    # script is run by the maintainer at release time, NOT at runtime,
+    # so an aggregate UA is acceptable; we still use the helper so the
+    # behavior matches the rest of the project.
+    try:
+        from services.network_utils import outbound_user_agent
+        ua = outbound_user_agent("release-script-power-plants")
+    except Exception:
+        ua = "Shadowbroker/0.9 (release-script-power-plants; +https://github.com/BigBodyCobain/Shadowbroker/issues)"
+    req = urllib.request.Request(CSV_URL, headers={"User-Agent": ua})
     with urllib.request.urlopen(req, timeout=60) as resp:
         raw = resp.read().decode("utf-8")
 

backend/services/carrier_tracker.py

@@ -1,46 +1,90 @@
 """
 Carrier Strike Group OSINT Tracker
 ===================================
-Scrapes multiple OSINT sources to maintain current estimated positions
-for US Navy Carrier Strike Groups. Updates on startup + 00:00 & 12:00 UTC.
+Maintains estimated positions for US Navy Carrier Strike Groups with
+honest provenance and freshness signals.
 
-Sources:
-  1. GDELT News API — recent carrier movement headlines
-  2. WikiVoyage / public port-call databases
-  3. Fallback — last-known or static OSINT estimates
+Issues #244 / #245 / #246 (tg12 external audit):
+
+The previous implementation baked a snapshot of USNI News Fleet &
+Marine Tracker positions (March 9, 2026) into the registry as
+``fallback_lat``/``fallback_lng`` and stamped ``updated = now()``
+every time the dossier was rendered. That presented stale editorial
+data as live state. It also persisted GDELT-derived positions to the
+on-disk cache with no freshness signal, so a single news mention from
+months ago could keep overriding the (already-stale) registry default
+indefinitely.
+
+Architecture after this PR:
+
+::
+
+    backend/data/carrier_seed.json   read-only, shipped with image,
+                                     used ONCE on first-ever startup
+                                     to bootstrap carrier_cache.json.
+
+    backend/data/carrier_cache.json  mutable, lives in the runtime data
+                                     volume, written by every GDELT
+                                     refresh + any future source.
+
+Startup flow:
+
+1.  ``carrier_cache.json`` exists?  → load it.
+2.  Otherwise, copy ``carrier_seed.json`` → ``carrier_cache.json``,
+    then load it. (This happens once, ever, per install.)
+3.  Background: GDELT fetch runs. Any carrier mentioned in fresh news
+    gets its entry replaced with the news-derived position.
+    ``position_source_at`` is set to the news article timestamp.
+
+Freshness is a *labelling* decision, not an eviction decision:
+
+- ``position_source_at`` within the configurable freshness window
+  (default 14 days) → ``position_confidence = "recent"``.
+- Older than that              → ``position_confidence = "stale"``.
+- Bootstrapped from the seed file (never updated) → ``"seed"``.
+- No cache entry at all (e.g. a carrier added to the registry after
+  first install) → carrier renders at its homeport with
+  ``"homeport_default"``.
+
+Carriers are never hidden, never teleported, never disappeared. The
+position the user sees is always the last position the system actually
+observed, with an honest "as-of" timestamp the UI can render however
+it likes. A year from now, the runtime cache reflects whatever this
+install has observed via GDELT — not the seed snapshot.
 """
 
-import re
+import os
 import json
 import time
 import logging
 import threading
 import random
-from datetime import datetime, timezone
+import shutil
+from datetime import datetime, timedelta, timezone
 from pathlib import Path
-from typing import Dict, List, Optional
+from typing import Any, Dict, List, Optional, Tuple
 from services.network_utils import fetch_with_curl
 
 logger = logging.getLogger(__name__)
 
 # -----------------------------------------------------------------
-# Carrier registry: hull number → metadata + fallback position
+# Carrier registry: hull number → identity only.
+#
+# Issue #244 (tg12): the previous registry carried hard-coded
+# ``fallback_lat``/``fallback_lng`` that were dated editorial
+# snapshots from a 2026-03-09 article. Those fields are DELETED. The
+# registry is now identity + homeport only; positions are sourced
+# exclusively from carrier_cache.json (and via that, from the
+# bootstrap seed or live OSINT).
 # -----------------------------------------------------------------
 CARRIER_REGISTRY: Dict[str, dict] = {
-    # Fallback positions sourced from USNI News Fleet & Marine Tracker (Mar 9, 2026)
-    # https://news.usni.org/2026/03/09/usni-news-fleet-and-marine-tracker-march-9-2026
     # --- Bremerton, WA (Naval Base Kitsap) ---
-    # Distinct pier positions along Sinclair Inlet so carriers don't stack
     "CVN-68": {
         "name": "USS Nimitz (CVN-68)",
         "wiki": "https://en.wikipedia.org/wiki/USS_Nimitz",
         "homeport": "Bremerton, WA",
         "homeport_lat": 47.5535,
         "homeport_lng": -122.6400,
-        "fallback_lat": 47.5535,
-        "fallback_lng": -122.6400,
-        "fallback_heading": 90,
-        "fallback_desc": "Bremerton, WA (Maintenance)",
     },
     "CVN-76": {
         "name": "USS Ronald Reagan (CVN-76)",
@@ -48,23 +92,14 @@ CARRIER_REGISTRY: Dict[str, dict] = {
         "homeport": "Bremerton, WA",
         "homeport_lat": 47.5580,
         "homeport_lng": -122.6360,
-        "fallback_lat": 47.5580,
-        "fallback_lng": -122.6360,
-        "fallback_heading": 90,
-        "fallback_desc": "Bremerton, WA (Decommissioning)",
     },
     # --- Norfolk, VA (Naval Station Norfolk) ---
-    # Piers run N-S along Willoughby Bay; each carrier gets a distinct berth
     "CVN-69": {
         "name": "USS Dwight D. Eisenhower (CVN-69)",
         "wiki": "https://en.wikipedia.org/wiki/USS_Dwight_D._Eisenhower",
         "homeport": "Norfolk, VA",
         "homeport_lat": 36.9465,
         "homeport_lng": -76.3265,
-        "fallback_lat": 36.9465,
-        "fallback_lng": -76.3265,
-        "fallback_heading": 0,
-        "fallback_desc": "Norfolk, VA (Post-deployment maintenance)",
     },
     "CVN-78": {
         "name": "USS Gerald R. Ford (CVN-78)",
@@ -72,10 +107,6 @@ CARRIER_REGISTRY: Dict[str, dict] = {
         "homeport": "Norfolk, VA",
         "homeport_lat": 36.9505,
         "homeport_lng": -76.3250,
-        "fallback_lat": 18.0,
-        "fallback_lng": 39.5,
-        "fallback_heading": 0,
-        "fallback_desc": "Red Sea — Operation Epic Fury (USNI Mar 9)",
     },
     "CVN-74": {
         "name": "USS John C. Stennis (CVN-74)",
@@ -83,10 +114,6 @@ CARRIER_REGISTRY: Dict[str, dict] = {
         "homeport": "Norfolk, VA",
         "homeport_lat": 36.9540,
         "homeport_lng": -76.3235,
-        "fallback_lat": 36.98,
-        "fallback_lng": -76.43,
-        "fallback_heading": 0,
-        "fallback_desc": "Newport News, VA (RCOH refueling overhaul)",
     },
     "CVN-75": {
         "name": "USS Harry S. Truman (CVN-75)",
@@ -94,10 +121,6 @@ CARRIER_REGISTRY: Dict[str, dict] = {
         "homeport": "Norfolk, VA",
         "homeport_lat": 36.9580,
         "homeport_lng": -76.3220,
-        "fallback_lat": 36.0,
-        "fallback_lng": 15.0,
-        "fallback_heading": 0,
-        "fallback_desc": "Mediterranean Sea deployment (USNI Mar 9)",
     },
     "CVN-77": {
         "name": "USS George H.W. Bush (CVN-77)",
@@ -105,23 +128,14 @@ CARRIER_REGISTRY: Dict[str, dict] = {
         "homeport": "Norfolk, VA",
         "homeport_lat": 36.9620,
         "homeport_lng": -76.3210,
-        "fallback_lat": 36.5,
-        "fallback_lng": -74.0,
-        "fallback_heading": 0,
-        "fallback_desc": "Atlantic — Pre-deployment workups (USNI Mar 9)",
     },
     # --- San Diego, CA (Naval Base San Diego) ---
-    # Carrier piers along the east shore of San Diego Bay, spread N-S
     "CVN-70": {
         "name": "USS Carl Vinson (CVN-70)",
         "wiki": "https://en.wikipedia.org/wiki/USS_Carl_Vinson",
         "homeport": "San Diego, CA",
         "homeport_lat": 32.6840,
         "homeport_lng": -117.1290,
-        "fallback_lat": 32.6840,
-        "fallback_lng": -117.1290,
-        "fallback_heading": 180,
-        "fallback_desc": "San Diego, CA (Homeport)",
     },
     "CVN-71": {
         "name": "USS Theodore Roosevelt (CVN-71)",
@@ -129,10 +143,6 @@ CARRIER_REGISTRY: Dict[str, dict] = {
         "homeport": "San Diego, CA",
         "homeport_lat": 32.6885,
         "homeport_lng": -117.1280,
-        "fallback_lat": 32.6885,
-        "fallback_lng": -117.1280,
-        "fallback_heading": 180,
-        "fallback_desc": "San Diego, CA (Maintenance)",
     },
     "CVN-72": {
         "name": "USS Abraham Lincoln (CVN-72)",
@@ -140,10 +150,6 @@ CARRIER_REGISTRY: Dict[str, dict] = {
         "homeport": "San Diego, CA",
         "homeport_lat": 32.6925,
         "homeport_lng": -117.1275,
-        "fallback_lat": 20.0,
-        "fallback_lng": 64.0,
-        "fallback_heading": 0,
-        "fallback_desc": "Arabian Sea — Operation Epic Fury (USNI Mar 9)",
     },
     # --- Yokosuka, Japan (CFAY) ---
     "CVN-73": {
@@ -152,16 +158,18 @@ CARRIER_REGISTRY: Dict[str, dict] = {
         "homeport": "Yokosuka, Japan",
         "homeport_lat": 35.2830,
         "homeport_lng": 139.6700,
-        "fallback_lat": 35.2830,
-        "fallback_lng": 139.6700,
-        "fallback_heading": 180,
-        "fallback_desc": "Yokosuka, Japan (Forward deployed)",
     },
 }
 
 # -----------------------------------------------------------------
-# Region → approximate center coordinates
-# Used to map textual geographic descriptions to lat/lng
+# Region → approximate center coordinates.
+#
+# Issue #245 (tg12): converting a region name straight into precise
+# map coordinates is false precision. We still use this table to
+# infer a coarse position from a headline mention, but the resulting
+# carrier object is now stamped ``position_confidence = "approximate"``
+# so the UI can render an uncertainty radius / dimmed icon. The
+# centroid is a best-effort midpoint of the named body of water.
 # -----------------------------------------------------------------
 REGION_COORDS: Dict[str, tuple] = {
     # Oceans & Seas
@@ -220,9 +228,39 @@ REGION_COORDS: Dict[str, tuple] = {
 }
 
 # -----------------------------------------------------------------
-# Cache file for persisting positions between restarts
+# Files
 # -----------------------------------------------------------------
-CACHE_FILE = Path(__file__).parent.parent / "carrier_cache.json"
+#
+# The seed lives in the read-only image data dir (it ships with each
+# release). The cache lives in the same data dir but is written at
+# runtime; under Docker compose this dir is volume-mounted so the
+# cache persists across container restarts, which is the whole point
+# of the seed-then-observe model — the user's runtime observations
+# survive image upgrades.
+SEED_FILE = Path(__file__).parent.parent / "data" / "carrier_seed.json"
+CACHE_FILE = Path(__file__).parent.parent / "data" / "carrier_cache.json"
+
+# -----------------------------------------------------------------
+# Freshness window for position_confidence labeling. Issue #246 (tg12):
+# previously persisted cache entries had no freshness signal at all.
+# After this change, the position itself is preserved (we never lose
+# what was last observed) but the confidence label flips from
+# "recent" to "stale" once the underlying source is older than this
+# window. Operator-overridable via env var.
+# -----------------------------------------------------------------
+_DEFAULT_FRESHNESS_WINDOW_DAYS = 14
+
+
+def _freshness_window_days() -> int:
+    raw = str(os.environ.get("SHADOWBROKER_CARRIER_FRESHNESS_DAYS", "") or "").strip()
+    if not raw:
+        return _DEFAULT_FRESHNESS_WINDOW_DAYS
+    try:
+        n = int(raw)
+        return n if n > 0 else _DEFAULT_FRESHNESS_WINDOW_DAYS
+    except (TypeError, ValueError):
+        return _DEFAULT_FRESHNESS_WINDOW_DAYS
+
 
 _carrier_positions: Dict[str, dict] = {}
 _positions_lock = threading.Lock()
@@ -234,25 +272,159 @@ _GDELT_REQUEST_DELAY_SECONDS = 1.25
 _GDELT_REQUEST_JITTER_SECONDS = 0.35
 
 
+def _now_iso() -> str:
+    return datetime.now(timezone.utc).isoformat()
+
+
+def _parse_iso(ts: str) -> Optional[datetime]:
+    if not ts:
+        return None
+    try:
+        # Python's fromisoformat accepts +00:00 but not 'Z' until 3.11.
+        normalized = ts.replace("Z", "+00:00")
+        dt = datetime.fromisoformat(normalized)
+        if dt.tzinfo is None:
+            dt = dt.replace(tzinfo=timezone.utc)
+        return dt
+    except (TypeError, ValueError):
+        return None
+
+
+def _compute_position_confidence(entry: dict, *, now: Optional[datetime] = None) -> str:
+    """Return the public confidence label for a carrier cache entry.
+
+    Order of precedence:
+      - explicit "homeport_default" / "seed" labels are preserved.
+      - dated entries (with position_source_at) are "recent" if within
+        the configured freshness window, else "stale".
+      - missing position_source_at falls through to "stale".
+    """
+    raw_label = str(entry.get("position_confidence", "") or "").strip()
+    # Explicit "kind of provenance" labels are preserved as-is. They
+    # describe HOW we got the position, not WHEN — a fresh headline-to-
+    # centroid match (#245) is still imprecise no matter how recently
+    # it was observed, and the seed (#244) is always the seed.
+    if raw_label in {"seed", "homeport_default", "approximate"}:
+        # Approximate entries can still age into "stale_approximate" if
+        # they fall out of the freshness window — that distinction lets
+        # the UI render a different badge for old-and-imprecise vs
+        # recent-and-imprecise. seed/homeport_default never age (they
+        # were never timestamped against real observations).
+        if raw_label == "approximate":
+            source_at = _parse_iso(str(entry.get("position_source_at", "") or ""))
+            if source_at is not None:
+                reference = now or datetime.now(timezone.utc)
+                if reference - source_at > timedelta(days=_freshness_window_days()):
+                    return "stale_approximate"
+        return raw_label
+
+    source_at = _parse_iso(str(entry.get("position_source_at", "") or ""))
+    if not source_at:
+        return "stale"
+
+    reference = now or datetime.now(timezone.utc)
+    window = timedelta(days=_freshness_window_days())
+    if reference - source_at <= window:
+        return "recent"
+    return "stale"
+
+
+def _load_seed() -> Dict[str, dict]:
+    """Load the read-only seed file shipped with the image.
+
+    Returns a hull→entry dict (no _meta wrapper). Missing or malformed
+    seed files yield an empty dict — the caller falls back to homeport
+    defaults.
+    """
+    try:
+        if not SEED_FILE.exists():
+            logger.info("Carrier seed file not present at %s; first-run will fall back to homeport defaults", SEED_FILE)
+            return {}
+        raw = json.loads(SEED_FILE.read_text(encoding="utf-8"))
+        carriers = raw.get("carriers", {}) if isinstance(raw, dict) else {}
+        if not isinstance(carriers, dict):
+            return {}
+        logger.info("Carrier seed loaded: %d entries from %s", len(carriers), SEED_FILE)
+        return carriers
+    except (IOError, OSError, json.JSONDecodeError, ValueError) as e:
+        logger.warning("Failed to load carrier seed file %s: %s", SEED_FILE, e)
+        return {}
+
+
 def _load_cache() -> Dict[str, dict]:
-    """Load cached carrier positions from disk."""
+    """Load the mutable cache (last-known positions persisted between restarts)."""
     try:
         if CACHE_FILE.exists():
-            data = json.loads(CACHE_FILE.read_text())
-            logger.info(f"Carrier cache loaded: {len(data)} carriers from {CACHE_FILE}")
-            return data
+            data = json.loads(CACHE_FILE.read_text(encoding="utf-8"))
+            if isinstance(data, dict):
+                logger.info("Carrier cache loaded: %d carriers from %s", len(data), CACHE_FILE)
+                return data
     except (IOError, OSError, json.JSONDecodeError, ValueError) as e:
-        logger.warning(f"Failed to load carrier cache: {e}")
+        logger.warning("Failed to load carrier cache: %s", e)
     return {}
 
 
-def _save_cache(positions: Dict[str, dict]):
-    """Persist carrier positions to disk."""
+def _save_cache(positions: Dict[str, dict]) -> None:
+    """Persist the mutable cache. Atomic write (temp + rename) so a crash
+    mid-write can't leave the file truncated."""
     try:
-        CACHE_FILE.write_text(json.dumps(positions, indent=2))
-        logger.info(f"Carrier cache saved: {len(positions)} carriers")
+        CACHE_FILE.parent.mkdir(parents=True, exist_ok=True)
+        tmp = CACHE_FILE.with_suffix(CACHE_FILE.suffix + ".tmp")
+        tmp.write_text(json.dumps(positions, indent=2), encoding="utf-8")
+        # On Windows os.replace is atomic and overwrites existing files.
+        os.replace(tmp, CACHE_FILE)
+        logger.info("Carrier cache saved: %d carriers", len(positions))
     except (IOError, OSError) as e:
-        logger.warning(f"Failed to save carrier cache: {e}")
+        logger.warning("Failed to save carrier cache: %s", e)
+
+
+def _homeport_entry_for(hull: str) -> Optional[dict]:
+    """Return a homeport-default cache entry for a hull, or None if the
+    hull is not in the registry."""
+    info = CARRIER_REGISTRY.get(hull)
+    if not info:
+        return None
+    return {
+        "lat": info["homeport_lat"],
+        "lng": info["homeport_lng"],
+        "heading": 0,
+        "desc": f"{info['homeport']} (no observations yet)",
+        "source": f"Homeport default ({info['homeport']})",
+        "source_url": info.get("wiki", ""),
+        "position_source_at": _now_iso(),
+        "position_confidence": "homeport_default",
+    }
+
+
+def _bootstrap_cache_if_missing() -> Dict[str, dict]:
+    """One-shot: if no cache exists, materialize one from the seed file.
+
+    Returns the cache contents (hull→entry). On first-ever startup,
+    this writes ``carrier_cache.json`` so subsequent restarts skip the
+    seed entirely. Operator-deleted caches re-bootstrap the same way —
+    operators can use that to "reset" carrier positions, but it's an
+    explicit operator action.
+    """
+    if CACHE_FILE.exists():
+        return _load_cache()
+
+    seed = _load_seed()
+    if not seed:
+        # No seed file either. Build a homeport-default cache so the
+        # first save_cache call still produces something honest.
+        homeports: Dict[str, dict] = {}
+        for hull in CARRIER_REGISTRY:
+            entry = _homeport_entry_for(hull)
+            if entry is not None:
+                homeports[hull] = entry
+        if homeports:
+            _save_cache(homeports)
+        return homeports
+
+    # Persist the seed as the first cache so subsequent runs skip this branch.
+    _save_cache(seed)
+    logger.info("Carrier cache bootstrapped from seed (first-ever startup)")
+    return dict(seed)
 
 
 def _match_region(text: str) -> Optional[tuple]:
@@ -270,10 +442,8 @@ def _match_carrier(text: str) -> Optional[str]:
     for hull, info in CARRIER_REGISTRY.items():
         hull_check = hull.lower().replace("-", "")
         name_parts = info["name"].lower()
-        # Match hull number (e.g., "CVN-78", "CVN78")
         if hull.lower() in text_lower or hull_check in text_lower.replace("-", ""):
             return hull
-        # Match ship name (e.g., "Ford", "Eisenhower", "Vinson")
         ship_name = name_parts.split("(")[0].strip()
         last_name = ship_name.split()[-1] if ship_name else ""
         if last_name and len(last_name) > 3 and last_name in text_lower:
@@ -323,8 +493,9 @@ def _fetch_gdelt_carrier_news() -> List[dict]:
             articles = data.get("articles", [])
             for art in articles:
                 title = art.get("title", "")
-                url = art.get("url", "")
-                results.append({"title": title, "url": url})
+                article_url = art.get("url", "")
+                article_at = art.get("seendate") or art.get("date") or ""
+                results.append({"title": title, "url": article_url, "seendate": article_at})
         except (ConnectionError, TimeoutError, ValueError, KeyError, OSError) as e:
             logger.debug(f"GDELT search failed for '{term}': {e}")
             continue
@@ -340,108 +511,139 @@ def _fetch_gdelt_carrier_news() -> List[dict]:
     return results
 
 
+def _gdelt_seendate_to_iso(seendate: str) -> Optional[str]:
+    """GDELT returns YYYYMMDDhhmmss (UTC). Convert to ISO8601 for
+    position_source_at. Returns None if the input is unparseable."""
+    raw = (seendate or "").strip()
+    if len(raw) < 8 or not raw.isdigit():
+        return None
+    try:
+        dt = datetime.strptime(raw[:14] if len(raw) >= 14 else raw[:8] + "000000", "%Y%m%d%H%M%S")
+        return dt.replace(tzinfo=timezone.utc).isoformat()
+    except (TypeError, ValueError):
+        return None
+
+
 def _parse_carrier_positions_from_news(articles: List[dict]) -> Dict[str, dict]:
-    """Parse carrier positions from news article titles and descriptions."""
+    """Parse carrier positions from news article titles.
+
+    Issue #245 (tg12): the position is a region centroid, which is
+    coarse — we now stamp ``position_confidence = "approximate"`` so
+    the UI can render that uncertainty. Issue #244: the
+    ``position_source_at`` field is the news article's actual seen
+    date, NOT now(), so the freshness check correctly flips entries
+    to "stale" once they age past the configured window.
+    """
     updates: Dict[str, dict] = {}
 
     for article in articles:
         title = article.get("title", "")
-
-        # Try to match a carrier from the title
         hull = _match_carrier(title)
         if not hull:
             continue
-
-        # Try to match a region from the title
         coords = _match_region(title)
         if not coords:
             continue
 
-        # Only update if we haven't seen this carrier yet (first match wins — most recent)
+        # First match wins (most recent article, GDELT returns newest first
+        # per term).
         if hull not in updates:
+            iso_at = _gdelt_seendate_to_iso(str(article.get("seendate", ""))) or _now_iso()
             updates[hull] = {
                 "lat": coords[0],
                 "lng": coords[1],
+                "heading": 0,
                 "desc": title[:100],
-                "source": "GDELT News API",
+                "source": "GDELT News API (headline region match — approximate)",
                 "source_url": article.get("url", "https://api.gdeltproject.org"),
-                "updated": datetime.now(timezone.utc).isoformat(),
+                "position_source_at": iso_at,
+                # Headline-to-centroid match is explicitly approximate.
+                "position_confidence": "approximate",
             }
             logger.info(
-                f"Carrier update: {CARRIER_REGISTRY[hull]['name']} → {coords} (from: {title[:80]})"
+                "Carrier update: %s → %s (from: %s)",
+                CARRIER_REGISTRY[hull]["name"],
+                coords,
+                title[:80],
             )
 
     return updates
 
 
-def _load_carrier_fallbacks() -> Dict[str, dict]:
-    """Build carrier positions from static fallbacks + disk cache (instant, no network)."""
-    positions: Dict[str, dict] = {}
-    for hull, info in CARRIER_REGISTRY.items():
-        positions[hull] = {
-            "name": info["name"],
-            "lat": info["fallback_lat"],
-            "lng": info["fallback_lng"],
-            "heading": info["fallback_heading"],
-            "desc": info["fallback_desc"],
-            "wiki": info["wiki"],
-            "source": "USNI News Fleet & Marine Tracker",
-            "source_url": "https://news.usni.org/category/fleet-tracker",
-            "updated": datetime.now(timezone.utc).isoformat(),
-        }
-
-    # Overlay cached positions from previous runs (may have GDELT data)
-    cached = _load_cache()
-    for hull, cached_pos in cached.items():
-        if hull in positions:
-            if cached_pos.get("source", "").startswith("GDELT") or cached_pos.get(
-                "source", ""
-            ).startswith("News"):
-                positions[hull].update(
-                    {
-                        "lat": cached_pos["lat"],
-                        "lng": cached_pos["lng"],
-                        "desc": cached_pos.get("desc", positions[hull]["desc"]),
-                        "source": cached_pos.get("source", "Cached OSINT"),
-                        "updated": cached_pos.get("updated", ""),
-                    }
-                )
-    return positions
+def _enrich_for_rendering(hull: str, entry: dict, *, now: Optional[datetime] = None) -> dict:
+    """Add live computed fields (confidence label, last_osint_update)
+    on top of the persisted cache entry. The persisted entry is left
+    untouched; this function builds the public-facing object.
+    """
+    info = CARRIER_REGISTRY.get(hull, {})
+    confidence = _compute_position_confidence(entry, now=now)
+    return {
+        "name": entry.get("name", info.get("name", hull)),
+        "lat": entry["lat"],
+        "lng": entry["lng"],
+        "heading": entry.get("heading", 0),
+        "desc": entry.get("desc", ""),
+        "wiki": entry.get("wiki", info.get("wiki", "")),
+        "source": entry.get("source", "OSINT estimated position"),
+        "source_url": entry.get("source_url", ""),
+        "position_source_at": entry.get("position_source_at", ""),
+        "position_confidence": confidence,
+        # Existing field preserved for backward compatibility with the
+        # current frontend ShipPopup; now reflects the SOURCE's observed
+        # time (not now()), so "last reported X days ago" is honest.
+        "last_osint_update": entry.get("position_source_at", ""),
+        # Convenience boolean for the UI: true when the position is
+        # NOT live OSINT (used to render dimmed icons / badges).
+        "is_fallback": confidence in {"seed", "stale", "stale_approximate", "homeport_default"},
+    }
 
 
-def update_carrier_positions():
-    """Main update function — called on startup and every 12h.
+def update_carrier_positions() -> None:
+    """Refresh carrier positions.
 
-    Phase 1 (instant): publish fallback + cached positions so the map has carriers immediately.
-    Phase 2 (slow):    query GDELT for fresh OSINT positions and update in-place.
+    Phase 1 (instant): publish whatever's in carrier_cache.json (or
+    bootstrap from seed on first-ever run), so the map has carriers
+    immediately.
+
+    Phase 2 (slow): query GDELT and replace position entries for any
+    carrier mentioned in fresh news. Persist back to cache.
     """
     global _last_update
 
-    # --- Phase 1: instant fallback + cache ---
-    positions = _load_carrier_fallbacks()
+    # --- Phase 1: instant cache (bootstrap from seed on first-ever run) ---
+    positions = _bootstrap_cache_if_missing()
+
+    # Ensure every registered hull has SOMETHING in the cache. A hull
+    # the seed didn't cover (e.g. added after install) renders at its
+    # homeport with "homeport_default" confidence.
+    for hull in CARRIER_REGISTRY:
+        if hull not in positions:
+            entry = _homeport_entry_for(hull)
+            if entry is not None:
+                positions[hull] = entry
 
     with _positions_lock:
-        # Only overwrite if positions are currently empty (first startup).
-        # If we already have data from a previous cycle, keep it while GDELT runs.
         if not _carrier_positions:
             _carrier_positions.update(positions)
             _last_update = datetime.now(timezone.utc)
     logger.info(
-        f"Carrier tracker: {len(positions)} carriers loaded from fallback/cache (GDELT enrichment starting...)"
+        "Carrier tracker: %d carriers loaded from cache (GDELT enrichment starting...)",
+        len(positions),
     )
 
-    # --- Phase 2: slow GDELT enrichment ---
+    # --- Phase 2: GDELT enrichment ---
     try:
         articles = _fetch_gdelt_carrier_news()
         news_positions = _parse_carrier_positions_from_news(articles)
         for hull, pos in news_positions.items():
-            if hull in positions:
-                positions[hull].update(pos)
-                logger.info(f"Carrier OSINT: updated {CARRIER_REGISTRY[hull]['name']} from news")
+            # Always overwrite — newest GDELT mention wins. The previous
+            # entry's position is preserved in git history and the next
+            # cycle either confirms or replaces it.
+            positions[hull] = pos
+            logger.info("Carrier OSINT: updated %s from news", CARRIER_REGISTRY[hull]["name"])
     except (ValueError, KeyError, json.JSONDecodeError, OSError) as e:
-        logger.warning(f"GDELT carrier fetch failed: {e}")
+        logger.warning("GDELT carrier fetch failed: %s", e)
 
-    # Save and update the global state with enriched positions
     with _positions_lock:
         _carrier_positions.clear()
         _carrier_positions.update(positions)
@@ -449,21 +651,15 @@ def update_carrier_positions():
 
     _save_cache(positions)
 
-    sources = {}
-    for p in positions.values():
-        src = p.get("source", "unknown")
-        sources[src] = sources.get(src, 0) + 1
-    logger.info(f"Carrier tracker: {len(positions)} carriers updated. Sources: {sources}")
+    confidences: Dict[str, int] = {}
+    for entry in positions.values():
+        label = _compute_position_confidence(entry)
+        confidences[label] = confidences.get(label, 0) + 1
+    logger.info("Carrier tracker: %d carriers updated. Confidence: %s", len(positions), confidences)
 
 
 def _deconflict_positions(result: List[dict]) -> List[dict]:
-    """Offset carriers that share identical coordinates so they don't stack.
-
-    At port: offset along the pier axis (~500m / 0.004° apart).
-    At sea: offset perpendicular to each other (~0.08° / ~9km apart)
-    so they're visibly separate but clearly operating together.
-    """
-    # Group by rounded lat/lng (within ~0.01° ≈ 1km = same spot)
+    """Offset carriers that share identical coordinates so they don't stack."""
     from collections import defaultdict
 
     groups: dict[str, list[int]] = defaultdict(list)
@@ -475,7 +671,6 @@ def _deconflict_positions(result: List[dict]) -> List[dict]:
         if len(indices) < 2:
             continue
         n = len(indices)
-        # Determine if this is a port (near a homeport) or at sea
         sample = result[indices[0]]
         at_port = any(
             abs(sample["lat"] - info.get("homeport_lat", 0)) < 0.05
@@ -484,7 +679,6 @@ def _deconflict_positions(result: List[dict]) -> List[dict]:
         )
 
         if at_port:
-            # Use each carrier's distinct homeport pier coordinates
             for idx in indices:
                 carrier = result[idx]
                 hull = None
@@ -497,8 +691,7 @@ def _deconflict_positions(result: List[dict]) -> List[dict]:
                     carrier["lat"] = info["homeport_lat"]
                     carrier["lng"] = info["homeport_lng"]
         else:
-            # At sea: spread in a line perpendicular to travel (~0.08° apart)
-            spacing = 0.08  # ~9km — close enough to see they're together
+            spacing = 0.08
             start_offset = -(n - 1) * spacing / 2
             for j, idx in enumerate(indices):
                 result[idx]["lng"] += start_offset + j * spacing
@@ -507,36 +700,44 @@ def _deconflict_positions(result: List[dict]) -> List[dict]:
 
 
 def get_carrier_positions() -> List[dict]:
-    """Return current carrier positions for the data pipeline."""
+    """Return current carrier positions for the data pipeline.
+
+    Each entry has the full provenance + freshness fields; the UI can
+    decide how to render them. Carriers are never hidden — only
+    labeled.
+    """
+    now = datetime.now(timezone.utc)
     with _positions_lock:
-        result = []
-        for hull, pos in _carrier_positions.items():
-            info = CARRIER_REGISTRY.get(hull, {})
+        result: List[dict] = []
+        for hull, entry in _carrier_positions.items():
+            enriched = _enrich_for_rendering(hull, entry, now=now)
             result.append(
                 {
-                    "name": pos.get("name", info.get("name", hull)),
+                    "name": enriched["name"],
                     "type": "carrier",
-                    "lat": pos["lat"],
-                    "lng": pos["lng"],
-                    "heading": None,  # Heading unknown for carriers — OSINT cannot determine true heading
+                    "lat": enriched["lat"],
+                    "lng": enriched["lng"],
+                    "heading": None,  # OSINT cannot determine true heading.
                     "sog": 0,
                     "cog": 0,
                     "country": "United States",
-                    "desc": pos.get("desc", ""),
-                    "wiki": pos.get("wiki", info.get("wiki", "")),
+                    "desc": enriched["desc"],
+                    "wiki": enriched["wiki"],
                     "estimated": True,
-                    "source": pos.get("source", "OSINT estimated position"),
-                    "source_url": pos.get(
-                        "source_url", "https://news.usni.org/category/fleet-tracker"
-                    ),
-                    "last_osint_update": pos.get("updated", ""),
+                    "source": enriched["source"],
+                    "source_url": enriched["source_url"],
+                    "last_osint_update": enriched["last_osint_update"],
+                    # New fields (additive — existing UI continues to work):
+                    "position_source_at": enriched["position_source_at"],
+                    "position_confidence": enriched["position_confidence"],
+                    "is_fallback": enriched["is_fallback"],
                 }
             )
         return _deconflict_positions(result)
 
 
 # -----------------------------------------------------------------
-# Scheduler: runs at startup, then at 00:00 and 12:00 UTC daily
+# Scheduler: runs at startup, then at 00:00 and 12:00 UTC daily.
 # -----------------------------------------------------------------
 _scheduler_thread: Optional[threading.Thread] = None
 _scheduler_stop = threading.Event()
@@ -544,7 +745,6 @@ _scheduler_stop = threading.Event()
 
 def _scheduler_loop():
     """Background thread that triggers updates at 00:00 and 12:00 UTC."""
-    # Initial update on startup
     try:
         update_carrier_positions()
     except Exception as e:
@@ -552,7 +752,6 @@ def _scheduler_loop():
 
     while not _scheduler_stop.is_set():
         now = datetime.now(timezone.utc)
-        # Next target: 00:00 or 12:00 UTC, whichever is sooner
         hour = now.hour
         if hour < 12:
             next_hour = 12
@@ -561,18 +760,17 @@ def _scheduler_loop():
 
         next_run = now.replace(hour=next_hour % 24, minute=0, second=0, microsecond=0)
         if next_hour == 24:
-            from datetime import timedelta
-
             next_run = (now + timedelta(days=1)).replace(hour=0, minute=0, second=0, microsecond=0)
 
         wait_seconds = (next_run - now).total_seconds()
         logger.info(
-            f"Carrier tracker: next update at {next_run.isoformat()} ({wait_seconds/3600:.1f}h)"
+            "Carrier tracker: next update at %s (%.1fh)",
+            next_run.isoformat(),
+            wait_seconds / 3600,
         )
 
-        # Wait until next scheduled time, or until stop event
         if _scheduler_stop.wait(timeout=wait_seconds):
-            break  # Stop event was set
+            break
 
         try:
             update_carrier_positions()

backend/services/config.py

@@ -53,6 +53,12 @@ class Settings(BaseSettings):
     MESH_RELAY_FAILURE_COOLDOWN_S: int = 120
     MESH_BOOTSTRAP_SEED_FAILURE_COOLDOWN_S: int = 15
     MESH_PEER_PUSH_SECRET: str = ""
+    # Issue #256 (tg12): optional per-peer HMAC secret map. Comma-separated
+    # `url=secret` pairs. When a peer URL appears here, only that per-peer
+    # secret is accepted for it — the global MESH_PEER_PUSH_SECRET above is
+    # ignored for that specific URL. Single-peer installs and unmigrated
+    # multi-peer installs leave this empty and behavior is unchanged.
+    MESH_PEER_SECRETS: str = ""
     MESH_RNS_APP_NAME: str = "shadowbroker"
     MESH_RNS_ASPECT: str = "infonet"
     MESH_RNS_IDENTITY_PATH: str = ""
@@ -289,6 +295,19 @@ class Settings(BaseSettings):
     # service operator can identify per-install traffic instead of a generic
     # "ShadowBroker" aggregate.
     MESHTASTIC_OPERATOR_CALLSIGN: str = ""
+    # Per-install operator handle used in the User-Agent for EVERY third-party
+    # API the backend calls (Wikipedia, Wikidata, Nominatim, GDELT, OpenMHz,
+    # Broadcastify, weather.gov, NUFORC, etc.). The default is empty, in which
+    # case backend/services/network_utils.py auto-generates a stable
+    # pseudonymous handle like "operator-7f3a92" on first use and caches it.
+    # Operators who want to identify themselves with a real handle can set
+    # this; operators who want to stay pseudonymous can leave it empty.
+    #
+    # The handle is sent ONLY to public third-party APIs. It is NEVER mixed
+    # into mesh / Wormhole / Infonet identity (those have their own crypto
+    # identity layer; conflating the two would leak public attribution into
+    # private mesh state).
+    OPERATOR_HANDLE: str = ""
 
     # SAR (Synthetic Aperture Radar) data layer
     # Mode A — free catalog metadata, no account, default-on

backend/services/feed_ingester.py

@@ -16,8 +16,15 @@ from typing import Any
 
 import requests
 
+from services.network_utils import outbound_user_agent
+
 logger = logging.getLogger(__name__)
 
+
+def _feed_ingester_user_agent() -> str:
+    # Round 7a: per-install attribution for operator-curated feed URLs.
+    return outbound_user_agent("feed-ingester")
+
 # ---------------------------------------------------------------------------
 # State
 # ---------------------------------------------------------------------------
@@ -157,7 +164,7 @@ def _fetch_layer_feed(layer: dict[str, Any]) -> None:
         resp = requests.get(
             feed_url,
             timeout=_FETCH_TIMEOUT,
-            headers={"User-Agent": "ShadowBroker-FeedIngester/1.0"},
+            headers={"User-Agent": _feed_ingester_user_agent()},
         )
         resp.raise_for_status()
         data = resp.json()

backend/services/fetchers/aircraft_database.py

@@ -21,6 +21,13 @@ from typing import Any
 import defusedxml.ElementTree as ET
 import requests
 
+
+
+def _aircraft_db_user_agent() -> str:
+    """Round 7a: lazy import so the per-install operator handle is included."""
+    from services.network_utils import outbound_user_agent
+    return outbound_user_agent("aircraft-database")
+
 logger = logging.getLogger(__name__)
 
 _BUCKET_LIST_URL = (
@@ -44,7 +51,7 @@ def _latest_snapshot_key() -> str:
     response = requests.get(
         _BUCKET_LIST_URL,
         timeout=_LIST_TIMEOUT_S,
-        headers={"User-Agent": _USER_AGENT},
+        headers={"User-Agent": _aircraft_db_user_agent()},
     )
     response.raise_for_status()
     root = ET.fromstring(response.text)
@@ -71,7 +78,7 @@ def _stream_csv_index(url: str) -> dict[str, dict[str, str]]:
         url,
         timeout=_DOWNLOAD_TIMEOUT_S,
         stream=True,
-        headers={"User-Agent": _USER_AGENT},
+        headers={"User-Agent": _aircraft_db_user_agent()},
     ) as response:
         response.raise_for_status()
         line_iter = (

backend/services/fetchers/earth_observation.py

@@ -15,7 +15,11 @@ import time
 import heapq
 from datetime import datetime, timedelta
 from pathlib import Path
-from services.network_utils import external_curl_fallback_enabled, fetch_with_curl
+from services.network_utils import (
+    external_curl_fallback_enabled,
+    fetch_with_curl,
+    outbound_user_agent,
+)
 from services.fetchers._store import latest_data, _data_lock, _mark_fresh
 from services.fetchers.nuforc_enrichment import enrich_sighting
 from services.fetchers.retry import with_retry
@@ -279,13 +283,13 @@ def fetch_weather_alerts():
         return
     alerts = []
     try:
-        # weather.gov requires a User-Agent per their API policy, but it
-        # need not identify the operator. Use a project-generic string and
-        # let the user override via SHADOWBROKER_USER_AGENT if needed.
-        from services.network_utils import DEFAULT_USER_AGENT
+        # weather.gov requires a User-Agent per their API policy. Round 7a:
+        # send the per-install operator handle so they can rate-limit per
+        # operator instead of treating "Shadowbroker" as one entity.
+        from services.network_utils import outbound_user_agent
         url = "https://api.weather.gov/alerts/active?status=actual"
         headers = {
-            "User-Agent": DEFAULT_USER_AGENT,
+            "User-Agent": outbound_user_agent("weather-gov"),
             "Accept": "application/geo+json",
         }
         response = fetch_with_curl(url, timeout=15, headers=headers)
@@ -713,7 +717,12 @@ _NUFORC_LIVE_NONCE_RE = re.compile(
     r'id=["\']wdtNonceFrontendServerSide_1["\'][^>]*value=["\']([a-f0-9]+)["\']'
 )
 _NUFORC_LIVE_SIGHTING_ID_RE = re.compile(r"id=(\d+)")
-_NUFORC_LIVE_USER_AGENT = "Mozilla/5.0 (ShadowBroker-OSINT NUFORC-fetcher)"
+# Round 7a: NUFORC's site is sensitive to non-browser UAs but we send a
+# per-install operator handle prefixed by Mozilla/5.0 so we're identifiable
+# without being aggregately blocked. Operators who want stricter privacy
+# can override the entire UA via SHADOWBROKER_USER_AGENT.
+def _nuforc_live_user_agent() -> str:
+    return f"Mozilla/5.0 ({outbound_user_agent('nuforc-live')})"
 _NUFORC_LIVE_SESSION_COOKIES = _NUFORC_DATA_DIR / "nuforc_session.cookies"
 
 # Sample grid covering continental US, Alaska, Hawaii, Canada, UK, Australia
@@ -957,7 +966,7 @@ def _photon_lookup(query: str) -> list[float] | None:
         res = fetch_with_curl(
             url,
             headers={
-                "User-Agent": "ShadowBroker-OSINT/1.0 (NUFORC-UAP-layer)",
+                "User-Agent": outbound_user_agent("nuforc-uap-geocode"),
                 "Accept-Language": "en",
             },
             timeout=10,
@@ -1053,7 +1062,7 @@ def _nuforc_fetch_month_live(yyyymm: str, cookie_jar: Path) -> list[dict]:
         index_res = subprocess.run(
             [
                 curl_bin, "-sL",
-                "-A", _NUFORC_LIVE_USER_AGENT,
+                "-A", _nuforc_live_user_agent(),
                 "-c", str(cookie_jar),
                 "-b", str(cookie_jar),
                 index_url,
@@ -1089,7 +1098,7 @@ def _nuforc_fetch_month_live(yyyymm: str, cookie_jar: Path) -> list[dict]:
         ajax_res = subprocess.run(
             [
                 curl_bin, "-sL",
-                "-A", _NUFORC_LIVE_USER_AGENT,
+                "-A", _nuforc_live_user_agent(),
                 "-c", str(cookie_jar),
                 "-b", str(cookie_jar),
                 "-X", "POST",

backend/services/fetchers/infrastructure.py

@@ -6,7 +6,7 @@ import heapq
 import logging
 from pathlib import Path
 from cachetools import TTLCache
-from services.network_utils import fetch_with_curl
+from services.network_utils import fetch_with_curl, outbound_user_agent
 from services.fetchers._store import latest_data, _data_lock, _mark_fresh
 from services.fetchers.retry import with_retry
 
@@ -29,7 +29,7 @@ def _geocode_region(region_name: str, country_name: str) -> tuple:
 
         query = urllib.parse.quote(f"{region_name}, {country_name}")
         url = f"https://nominatim.openstreetmap.org/search?q={query}&format=json&limit=1"
-        response = fetch_with_curl(url, timeout=8, headers={"User-Agent": "ShadowBroker-OSINT/1.0"})
+        response = fetch_with_curl(url, timeout=8, headers={"User-Agent": outbound_user_agent("infrastructure-data")})
         if response.status_code == 200:
             results = response.json()
             if results:

backend/services/fetchers/meshtastic_map.py

@@ -191,8 +191,13 @@ def fetch_meshtastic_nodes():
         _os.environ.get("MESHTASTIC_SEND_CALLSIGN_HEADER", "true")
     ).strip().lower() not in {"0", "false", "no", "off", ""}
 
-    from services.network_utils import DEFAULT_USER_AGENT
-    ua_base = f"{DEFAULT_USER_AGENT}; 24h polling"
+    # Round 7a: outbound_user_agent already includes the per-install handle.
+    # The optional Meshtastic callsign is appended as additional context so
+    # meshtastic.liamcottle.net's operator can identify both the install AND
+    # the registered radio operator (when MESHTASTIC_OPERATOR_CALLSIGN is set
+    # and MESHTASTIC_SEND_CALLSIGN_HEADER is true; see issue #203).
+    from services.network_utils import outbound_user_agent
+    ua_base = f"{outbound_user_agent('meshtastic-map')}; 24h polling"
     if callsign and send_callsign_header:
         user_agent = f"{ua_base}; node={callsign}"
     else:

backend/services/fetchers/route_database.py

@@ -17,6 +17,12 @@ from typing import Any
 
 import requests
 
+
+
+def _route_db_user_agent() -> str:
+    from services.network_utils import outbound_user_agent
+    return outbound_user_agent("route-database")
+
 logger = logging.getLogger(__name__)
 
 _ROUTES_URL = "https://vrs-standing-data.adsb.lol/routes.csv.gz"
@@ -37,7 +43,7 @@ def _fetch_csv_gz(url: str) -> list[dict[str, str]]:
     response = requests.get(
         url,
         timeout=_HTTP_TIMEOUT_S,
-        headers={"User-Agent": _USER_AGENT, "Accept-Encoding": "gzip"},
+        headers={"User-Agent": _route_db_user_agent(), "Accept-Encoding": "gzip"},
     )
     response.raise_for_status()
     text = gzip.decompress(response.content).decode("utf-8-sig")

backend/services/fetchers/trains.py

@@ -10,6 +10,12 @@ from datetime import datetime, timezone
 from services.fetchers._store import _data_lock, _mark_fresh, latest_data
 from services.network_utils import fetch_with_curl
 
+
+
+def _trains_user_agent() -> str:
+    from services.network_utils import outbound_user_agent
+    return outbound_user_agent("trains")
+
 logger = logging.getLogger(__name__)
 
 _EARTH_RADIUS_KM = 6371.0
@@ -379,7 +385,7 @@ def _fetch_digitraffic() -> list[dict]:
             timeout=15,
             headers={
                 "Accept-Encoding": "gzip",
-                "User-Agent": "ShadowBroker-OSINT/1.0",
+                "User-Agent": _trains_user_agent(),
             },
         )
         if resp.status_code != 200:

backend/services/geocode.py

@@ -21,9 +21,17 @@ _cache_lock = threading.Lock()
 _local_search_cache: List[Dict[str, Any]] | None = None
 _local_search_lock = threading.Lock()
 
-_USER_AGENT = os.environ.get(
-    "NOMINATIM_USER_AGENT", "ShadowBroker/1.0 (https://github.com/BigBodyCobain/Shadowbroker)"
-)
+# Round 7a: per-install operator handle threads through every Nominatim
+# call. NOMINATIM_USER_AGENT env override is still honored for operators
+# who run a custom relay / known good identity, but the default uses the
+# per-install handle so OpenStreetMap can rate-limit per install instead
+# of treating "Shadowbroker" as one big offender.
+def _nominatim_user_agent() -> str:
+    override = os.environ.get("NOMINATIM_USER_AGENT", "").strip()
+    if override:
+        return override
+    from services.network_utils import outbound_user_agent
+    return outbound_user_agent("nominatim")
 
 
 def _get_cache(key: str):
@@ -178,7 +186,7 @@ def search_geocode(query: str, limit: int = 5, local_only: bool = False) -> List
         res = fetch_with_curl(
             url,
             headers={
-                "User-Agent": _USER_AGENT,
+                "User-Agent": _nominatim_user_agent(),
                 "Accept-Language": "en",
             },
             timeout=6,
@@ -241,7 +249,7 @@ def reverse_geocode(lat: float, lng: float, local_only: bool = False) -> Dict[st
         res = fetch_with_curl(
             url,
             headers={
-                "User-Agent": _USER_AGENT,
+                "User-Agent": _nominatim_user_agent(),
                 "Accept-Language": "en",
             },
             timeout=6,

backend/services/geopolitics.py

@@ -8,6 +8,13 @@ from datetime import datetime
 from urllib.parse import urljoin, urlparse
 from services.network_utils import fetch_with_curl
 
+
+
+def _geopolitics_user_agent() -> str:
+    """Round 7a: GDELT geopolitics fetcher attribution."""
+    from services.network_utils import outbound_user_agent
+    return outbound_user_agent("geopolitics-gdelt")
+
 logger = logging.getLogger(__name__)
 
 # Cache Frontline data for 30 minutes, it doesn't move that fast
@@ -316,7 +323,7 @@ def _fetch_article_title(url):
             resp = requests.get(
                 current_url,
                 timeout=4,
-                headers={"User-Agent": "Mozilla/5.0 (compatible; OSINT Dashboard/1.0)"},
+                headers={"User-Agent": _geopolitics_user_agent()},
                 stream=True,
                 allow_redirects=False,
             )
@@ -521,10 +528,29 @@ def _parse_gdelt_export_zip(zip_bytes, conflict_codes, seen_locs, features, loc_
         logger.warning(f"Failed to parse GDELT export zip: {e}")
 
 
+# GDELT's data.gdeltproject.org is a CNAME to a Google Cloud Storage
+# bucket of the same name. GCS returns the wildcard ``*.storage.googleapis.com``
+# certificate, which legitimately does NOT cover the GDELT custom domain
+# — Python's TLS verification correctly refuses it. Some networks/POPs
+# happen to route through a path where this works; many do not (notably
+# Docker Desktop's outbound NAT on local installs).
+#
+# Fix: rewrite the URL to hit GCS directly with a path-style bucket
+# reference, where the standard GCS cert is genuinely valid. Same data,
+# verified TLS, no operator-side workaround needed.
+def _gcs_direct_gdelt_url(url: str) -> str:
+    """If ``url`` points at data.gdeltproject.org, return the equivalent
+    GCS-direct URL. Otherwise return the URL unchanged."""
+    prefix = "://data.gdeltproject.org/"
+    if prefix in url:
+        return url.replace(prefix, "://storage.googleapis.com/data.gdeltproject.org/", 1)
+    return url
+
+
 def _download_gdelt_export(url):
     """Download a single GDELT export file, return bytes or None."""
     try:
-        res = fetch_with_curl(url, timeout=15)
+        res = fetch_with_curl(_gcs_direct_gdelt_url(url), timeout=15)
         if res.status_code == 200:
             return res.content
     except (ConnectionError, TimeoutError, OSError):  # non-critical
@@ -620,8 +646,12 @@ def fetch_global_military_incidents():
         # HTTPS is used to prevent passive network observers from injecting
         # poisoned export records into the global incident map via MITM.
         # GDELT serves the same content over HTTPS as HTTP.
+        # Use the GCS-direct URL because data.gdeltproject.org's CNAME
+        # serves a wildcard *.storage.googleapis.com cert that legitimately
+        # doesn't cover the GDELT hostname. See _gcs_direct_gdelt_url above.
         index_res = fetch_with_curl(
-            "https://data.gdeltproject.org/gdeltv2/lastupdate.txt", timeout=10
+            _gcs_direct_gdelt_url("https://data.gdeltproject.org/gdeltv2/lastupdate.txt"),
+            timeout=10,
         )
         if index_res.status_code != 200:
             logger.error(f"GDELT lastupdate failed: {index_res.status_code}")

backend/services/mesh/mesh_crypto.py

@@ -69,6 +69,115 @@ def _derive_peer_key(shared_secret: str, peer_url: str) -> bytes:
     ).digest()
 
 
+# ---------------------------------------------------------------------------
+# Issue #256 (tg12): per-peer HMAC secrets
+# ---------------------------------------------------------------------------
+#
+# Before this change, ALL peer-push HMACs were derived from a single
+# fleet-shared ``MESH_PEER_PUSH_SECRET``. The receiver could prove a
+# request was signed by *someone who knows the fleet secret*, but it
+# could NOT prove which peer signed it — any peer could compute the
+# expected HMAC for any other peer's URL and impersonate that peer.
+#
+# Fix: an optional ``MESH_PEER_SECRETS`` env var maps specific peer URLs
+# to per-peer secrets. When a peer URL is listed there, only that
+# per-peer secret is accepted for that URL — the global secret is
+# ignored for that peer. Peer A no longer learns peer B's secret, so
+# peer A cannot forge a request claiming to be peer B.
+#
+# Backwards-compatible by design:
+#
+# - Single-peer installs (``MESH_PEER_SECRETS`` empty) keep using the
+#   global secret. Zero behavior change. Zero operator action required.
+# - Multi-peer installs that haven't migrated yet keep using the global
+#   secret for every peer. Same behavior as before — same exposure.
+# - Multi-peer installs that have migrated configure
+#   ``MESH_PEER_SECRETS=urlA=secretA,urlB=secretB`` and immediately get
+#   per-peer identity. Migration is incremental: peers not yet listed
+#   continue using the global secret until both sides of that peering
+#   add their entry.
+
+_PEER_SECRETS_CACHE: dict[str, str] = {}
+_PEER_SECRETS_CACHE_RAW: str = ""
+
+
+def _lookup_per_peer_secret(normalized_url: str) -> str:
+    """Return the per-peer secret for ``normalized_url`` from MESH_PEER_SECRETS.
+
+    Returns "" if no per-peer entry is configured for that URL. The parser
+    is forgiving:
+
+    - Whitespace around items, URLs, and secrets is stripped.
+    - Items without ``=`` or with empty URL/secret halves are skipped.
+    - The URL half is normalized via ``normalize_peer_url`` so config
+      authors don't have to match scheme/port/path quirks exactly.
+
+    The cache is invalidated whenever the env var's raw value changes,
+    which keeps tests' ``monkeypatch.setenv`` calls effective without
+    forcing a process restart.
+    """
+    import os
+
+    raw = str(os.environ.get("MESH_PEER_SECRETS", "") or "").strip()
+
+    global _PEER_SECRETS_CACHE, _PEER_SECRETS_CACHE_RAW
+    if raw != _PEER_SECRETS_CACHE_RAW:
+        new_cache: dict[str, str] = {}
+        for chunk in raw.split(","):
+            chunk = chunk.strip()
+            if not chunk or "=" not in chunk:
+                continue
+            url_part, _, secret_part = chunk.partition("=")
+            normalized = normalize_peer_url(url_part.strip())
+            secret = secret_part.strip()
+            if normalized and secret:
+                new_cache[normalized] = secret
+        _PEER_SECRETS_CACHE = new_cache
+        _PEER_SECRETS_CACHE_RAW = raw
+
+    return _PEER_SECRETS_CACHE.get(normalized_url, "")
+
+
+def resolve_peer_key_for_url(peer_url: str) -> bytes:
+    """Return the HMAC key for ``peer_url``, preferring per-peer secret.
+
+    Issue #256: this is the function every peer-push call site should
+    use. It looks up the peer-specific secret first, falling back to the
+    fleet-shared ``MESH_PEER_PUSH_SECRET`` only when the URL is NOT
+    listed in ``MESH_PEER_SECRETS``.
+
+    Both sender (computing X-Peer-HMAC) and receiver (verifying it) call
+    this with the SENDER's URL — they must derive the same key, so
+    operators on both ends of a peering need matching MESH_PEER_SECRETS
+    entries for that URL to stay in sync.
+
+    Returns empty bytes when no usable secret exists. Callers must treat
+    that as fail-closed (skip the push, reject the verification).
+    """
+    normalized_url = normalize_peer_url(peer_url)
+    if not normalized_url:
+        return b""
+
+    per_peer_secret = _lookup_per_peer_secret(normalized_url)
+    if per_peer_secret:
+        return _derive_peer_key(per_peer_secret, normalized_url)
+
+    # No per-peer entry for this URL — fall back to the legacy global
+    # secret. This is what preserves zero-hostility for single-peer
+    # installs and the migration window for multi-peer installs.
+    try:
+        from services.config import get_settings
+
+        global_secret = str(
+            getattr(get_settings(), "MESH_PEER_PUSH_SECRET", "") or ""
+        ).strip()
+    except Exception:
+        return b""
+    if not global_secret:
+        return b""
+    return _derive_peer_key(global_secret, normalized_url)
+
+
 def _node_digest(public_key_b64: str) -> str:
     raw = base64.b64decode(public_key_b64)
     return hashlib.sha256(raw).hexdigest()

backend/services/mesh/mesh_hashchain.py

@@ -216,18 +216,19 @@ def _peer_pair_ref_key(peer_url: str) -> bytes:
     Returns an empty key on misconfiguration so callers fail closed.
     """
     try:
-        from services.config import get_settings
-        from services.mesh.mesh_crypto import _derive_peer_key, normalize_peer_url
-
-        secret = str(get_settings().MESH_PEER_PUSH_SECRET or "").strip()
+        from services.mesh.mesh_crypto import (
+            normalize_peer_url,
+            resolve_peer_key_for_url,
+        )
     except Exception:
         return b""
-    if not secret:
-        return b""
     normalized = normalize_peer_url(peer_url or "")
     if not normalized:
         return b""
-    peer_key = _derive_peer_key(secret, normalized)
+    # Issue #256: resolve_peer_key_for_url() prefers per-peer secrets
+    # from MESH_PEER_SECRETS and falls back to the global
+    # MESH_PEER_PUSH_SECRET only when the URL has no per-peer entry.
+    peer_key = resolve_peer_key_for_url(normalized)
     if not peer_key:
         return b""
     # Domain-separate from the transport HMAC key so the two

backend/services/mesh/mesh_router.py

@@ -26,7 +26,11 @@ from enum import Enum
 from typing import Any, Callable, Optional
 from collections import deque
 from urllib.parse import urlparse
-from services.mesh.mesh_crypto import _derive_peer_key, normalize_peer_url
+from services.mesh.mesh_crypto import (
+    _derive_peer_key,
+    normalize_peer_url,
+    resolve_peer_key_for_url,
+)
 from services.mesh.mesh_metrics import increment as metrics_inc
 from services.mesh.mesh_privacy_policy import (
     TRANSPORT_TIER_ORDER as _TIER_RANK,
@@ -703,7 +707,6 @@ class InternetTransport(_PeerPushTransportMixin):
             endpoint_path, padded = self._build_peer_push_request(envelope, self.NAME)
         except ValueError as exc:
             return TransportResult(False, self.NAME, str(exc))
-        secret = str(settings.MESH_PEER_PUSH_SECRET or "").strip()
 
         delivered = 0
         last_error = ""
@@ -713,10 +716,13 @@ class InternetTransport(_PeerPushTransportMixin):
             try:
                 normalized_peer_url = normalize_peer_url(peer_url)
                 headers = {"Content-Type": "application/json"}
-                if secret:
-                    peer_key = _derive_peer_key(secret, normalized_peer_url)
-                    if not peer_key:
-                        raise ValueError("invalid peer URL for HMAC derivation")
+                # Issue #256: per-peer secret takes precedence over the
+                # global MESH_PEER_PUSH_SECRET. When neither is set the
+                # key is empty and we skip the HMAC header entirely so a
+                # bare (unsigned) push still works on test deployments
+                # that have not yet configured any secret at all.
+                peer_key = resolve_peer_key_for_url(normalized_peer_url)
+                if peer_key:
                     headers["X-Peer-Url"] = normalized_peer_url
                     headers["X-Peer-HMAC"] = hmac.new(
                         peer_key,
@@ -798,7 +804,6 @@ class TorArtiTransport(_PeerPushTransportMixin):
             endpoint_path, padded = self._build_peer_push_request(envelope, self.NAME)
         except ValueError as exc:
             return TransportResult(False, self.NAME, str(exc))
-        secret = str(settings.MESH_PEER_PUSH_SECRET or "").strip()
 
         delivered = 0
         last_error = ""
@@ -808,10 +813,10 @@ class TorArtiTransport(_PeerPushTransportMixin):
             try:
                 normalized_peer_url = normalize_peer_url(peer_url)
                 headers = {"Content-Type": "application/json"}
-                if secret:
-                    peer_key = _derive_peer_key(secret, normalized_peer_url)
-                    if not peer_key:
-                        raise ValueError("invalid peer URL for HMAC derivation")
+                # Issue #256: per-peer secret takes precedence; see the
+                # other transport above for the rationale.
+                peer_key = resolve_peer_key_for_url(normalized_peer_url)
+                if peer_key:
                     headers["X-Peer-Url"] = normalized_peer_url
                     headers["X-Peer-HMAC"] = hmac.new(
                         peer_key,

backend/services/mesh/mesh_wormhole_prekey.py

@@ -91,13 +91,15 @@ def _fetch_dm_prekey_bundle_from_peer_lookup(lookup_token: str) -> dict[str, Any
         return {"ok": False, "detail": "lookup token required"}
     try:
         from services.config import get_settings
-        from services.mesh.mesh_crypto import _derive_peer_key, normalize_peer_url
+        from services.mesh.mesh_crypto import (
+            normalize_peer_url,
+            resolve_peer_key_for_url,
+        )
         from services.mesh.mesh_router import configured_relay_peer_urls
 
         settings = get_settings()
-        secret = str(getattr(settings, "MESH_PEER_PUSH_SECRET", "") or "").strip()
-        if not secret:
-            return {"ok": False, "detail": "peer prekey lookup unavailable"}
+        # Issue #256: secret check moved per-peer below. We still bail out
+        # cleanly when there are no peers configured at all.
         peers = configured_relay_peer_urls()
         if not peers:
             return {"ok": False, "detail": "peer prekey lookup unavailable"}
@@ -121,7 +123,8 @@ def _fetch_dm_prekey_bundle_from_peer_lookup(lookup_token: str) -> dict[str, Any
             or os.environ.get("SB_TEST_NODE_URL", "").strip()
             or normalized_peer_url
         )
-        peer_key = _derive_peer_key(secret, sender_peer_url)
+        # Issue #256: prefer per-peer secret keyed by the sender URL.
+        peer_key = resolve_peer_key_for_url(sender_peer_url)
         if not peer_key:
             continue
         headers = {

backend/services/network_utils.py

@@ -5,7 +5,9 @@ import subprocess
 import shutil
 import time
 import threading
+import uuid
 import requests
+from pathlib import Path
 from urllib.parse import urlparse
 from requests.adapters import HTTPAdapter
 from urllib3.util.retry import Retry
@@ -20,14 +22,211 @@ _session.mount("https://", HTTPAdapter(max_retries=_retry, pool_maxsize=20))
 _session.mount("http://", HTTPAdapter(max_retries=_retry, pool_maxsize=10))
 
 
-# Default outbound User-Agent. Generic by design — does NOT include any
-# personal contact info or a fork-specific repo URL. Operators who run a
-# public-facing relay and want to identify themselves to upstreams (e.g.
-# for Nominatim / weather.gov usage-policy compliance) can override this
-# via the SHADOWBROKER_USER_AGENT env var.
+# ---------------------------------------------------------------------------
+# Per-operator outbound identification
+# ---------------------------------------------------------------------------
+#
+# Issues #289 / #290 / #291 and the retrofit of PR #284 (#218 / #219 / #220):
+# every third-party API the backend calls used to identify itself with a
+# single "Shadowbroker" aggregate User-Agent. From the upstream's
+# perspective, that meant every Shadowbroker install in the world looked
+# like one giant entity hammering them. If one install misbehaved, the
+# upstream's only recourse was to block "Shadowbroker" as a whole — which
+# would take out every other install too.
+#
+# Fix: give each install a stable pseudonymous handle and include it in
+# the User-Agent. Now an upstream can rate-limit or block the offending
+# operator without affecting anyone else.
+#
+# The handle:
+#
+# - Is auto-generated on first call if no `OPERATOR_HANDLE` is configured
+#   (looks like "operator-7f3a92" — 6 hex chars from uuid4()).
+# - Is persisted to ``backend/data/operator_handle.json`` so it survives
+#   restarts. Under Docker compose that file lives in the volume mount
+#   alongside `carrier_cache.json` and the other persistent state.
+# - Can be overridden by the operator via the `OPERATOR_HANDLE` setting
+#   (env var or settings UI). Operators with their own GitHub handle,
+#   organization name, etc. can use that for traceability.
+# - Is NEVER mixed into mesh / Wormhole / Infonet identity. This layer is
+#   strictly for public third-party API attribution.
+
+_SHADOWBROKER_VERSION = "0.9"
+_OPERATOR_HANDLE_FILE = (
+    Path(__file__).parent.parent / "data" / "operator_handle.json"
+)
+_OPERATOR_HANDLE_CACHE: str = ""
+_OPERATOR_HANDLE_LOCK = threading.Lock()
+
+
+def _generate_operator_handle() -> str:
+    """Produce a stable pseudonymous handle for first-launch installs.
+
+    Format: ``operator-7f3a92`` (6 hex chars from a fresh uuid4()).
+    Distinct per install. Carries no real-world identity by default —
+    operators who want one can override via ``OPERATOR_HANDLE``.
+
+    Note: the prefix is deliberately neutral. Earlier drafts used
+    ``shadow-`` which, while accurate to the project name, looks
+    exactly like the kind of pattern a third-party abuse-detection
+    system would auto-block as suspicious. ``operator-`` describes
+    what the value actually is and doesn't pattern-match malware.
+    """
+    return f"operator-{uuid.uuid4().hex[:6]}"
+
+
+def _load_persisted_operator_handle() -> str:
+    """Return the previously-saved handle from disk, or empty if none.
+
+    Reads ``backend/data/operator_handle.json`` if it exists. Any read
+    error returns empty so a fresh handle gets generated rather than
+    crashing the request.
+    """
+    try:
+        if _OPERATOR_HANDLE_FILE.exists():
+            data = json.loads(_OPERATOR_HANDLE_FILE.read_text(encoding="utf-8"))
+            return str(data.get("handle", "") or "").strip()
+    except (OSError, json.JSONDecodeError, ValueError):
+        pass
+    return ""
+
+
+def _persist_operator_handle(handle: str) -> None:
+    """Atomically save the auto-generated handle so subsequent restarts
+    use the same one. Failure to persist is non-fatal — the request still
+    succeeds with the in-memory handle, we just may generate a different
+    one on the next process restart."""
+    try:
+        _OPERATOR_HANDLE_FILE.parent.mkdir(parents=True, exist_ok=True)
+        tmp = _OPERATOR_HANDLE_FILE.with_suffix(_OPERATOR_HANDLE_FILE.suffix + ".tmp")
+        tmp.write_text(
+            json.dumps({"handle": handle, "_meta": {
+                "purpose": "Per-install operator handle for outbound third-party API attribution.",
+                "see": "backend/services/network_utils.py:outbound_user_agent",
+            }}, indent=2),
+            encoding="utf-8",
+        )
+        os.replace(tmp, _OPERATOR_HANDLE_FILE)
+    except OSError as exc:
+        logger.debug("Could not persist operator_handle (continuing in-memory): %s", exc)
+
+
+def get_operator_handle() -> str:
+    """Return the stable per-install operator handle.
+
+    Resolution order:
+      1. ``OPERATOR_HANDLE`` setting (env var / settings UI) if non-empty.
+      2. Process-cached value from previous call this run.
+      3. Value persisted to ``operator_handle.json`` (from a previous run).
+      4. Newly generated pseudonymous handle, persisted to disk.
+
+    The handle is normalized: stripped of whitespace, lowercased,
+    non-alphanumeric chars (except ``-`` and ``_``) replaced with ``-``.
+    This both sanitizes any HTTP-header-unsafe characters AND prevents
+    the operator from impersonating real third-party projects via
+    inventive whitespace.
+    """
+    global _OPERATOR_HANDLE_CACHE
+    with _OPERATOR_HANDLE_LOCK:
+        # 1. Configured override always wins.
+        configured = ""
+        try:
+            from services.config import get_settings
+
+            configured = str(getattr(get_settings(), "OPERATOR_HANDLE", "") or "").strip()
+        except Exception:
+            configured = ""
+        if configured:
+            return _normalize_handle(configured)
+
+        # 2. In-memory cache (fast path for repeated calls).
+        if _OPERATOR_HANDLE_CACHE:
+            return _OPERATOR_HANDLE_CACHE
+
+        # 3. On-disk handle from a previous run.
+        persisted = _load_persisted_operator_handle()
+        if persisted:
+            _OPERATOR_HANDLE_CACHE = _normalize_handle(persisted)
+            return _OPERATOR_HANDLE_CACHE
+
+        # 4. Generate, persist, return.
+        fresh = _generate_operator_handle()
+        _persist_operator_handle(fresh)
+        _OPERATOR_HANDLE_CACHE = fresh
+        return fresh
+
+
+def _normalize_handle(raw: str) -> str:
+    """Strip whitespace, lowercase, replace unsafe characters with dashes."""
+    safe = "".join(
+        ch if (ch.isalnum() or ch in "-_") else "-"
+        for ch in raw.strip().lower()
+    )
+    # Collapse runs of dashes and trim to a reasonable length so an
+    # operator can't make our outbound logs unreadable.
+    while "--" in safe:
+        safe = safe.replace("--", "-")
+    safe = safe.strip("-")
+    return safe[:48] if safe else "anonymous"
+
+
+_CONTACT_URL = "https://github.com/BigBodyCobain/Shadowbroker/issues"
+
+
+def outbound_user_agent(purpose: str = "") -> str:
+    """Build a User-Agent for an outbound third-party HTTP request.
+
+    Returns something like::
+
+        Shadowbroker/0.9 (operator: shadow-7f3a92; purpose: wikipedia;
+         +https://github.com/BigBodyCobain/Shadowbroker/issues)
+
+    The ``purpose`` is optional but recommended — it tells the upstream
+    what feature of ours is making the call (``wikipedia``, ``openmhz``,
+    ``nominatim``, etc.), which makes their logs and our complaints
+    actionable.
+
+    Every outbound call in the backend that previously sent a custom
+    User-Agent should call this helper instead. Centralizing here means:
+      - one place to change the contact URL,
+      - one place to bump the version on release,
+      - one place a Wikimedia / OpenMHz operator can reach to ask for
+        the project to back off, with a per-install handle so they can
+        target the specific install instead of the project as a whole.
+    """
+    handle = get_operator_handle()
+    if purpose:
+        purpose_clean = _normalize_handle(purpose)
+        return (
+            f"Shadowbroker/{_SHADOWBROKER_VERSION} "
+            f"(operator: {handle}; purpose: {purpose_clean}; +{_CONTACT_URL})"
+        )
+    return (
+        f"Shadowbroker/{_SHADOWBROKER_VERSION} "
+        f"(operator: {handle}; +{_CONTACT_URL})"
+    )
+
+
+def _reset_operator_handle_cache_for_tests() -> None:
+    """Test-only: invalidate the in-memory cache so a test can set a
+    new ``OPERATOR_HANDLE`` env var and see it picked up immediately."""
+    global _OPERATOR_HANDLE_CACHE
+    with _OPERATOR_HANDLE_LOCK:
+        _OPERATOR_HANDLE_CACHE = ""
+
+
+# Default outbound User-Agent. Retained for backwards compatibility with
+# call sites that haven't been migrated to ``outbound_user_agent()`` yet.
+# Operators who want full per-install attribution should set the
+# ``OPERATOR_HANDLE`` setting and migrate call sites incrementally.
+#
+# Operators who run a public-facing relay can also override the whole UA
+# string via the ``SHADOWBROKER_USER_AGENT`` env var. That override
+# completely bypasses the per-operator helper; only use it if you know
+# what you're doing.
 DEFAULT_USER_AGENT = os.environ.get(
     "SHADOWBROKER_USER_AGENT",
-    "ShadowBroker-OSINT/0.9",
+    f"Shadowbroker/{_SHADOWBROKER_VERSION}",
 )
 
 # Find bash for curl fallback — Git bash's curl has the TLS features

backend/services/radio_intercept.py

@@ -2,14 +2,34 @@ import requests
 from bs4 import BeautifulSoup
 import logging
 from cachetools import cached, TTLCache
-import cloudscraper
 import reverse_geocoder as rg
 from urllib.parse import urlparse
 
+from services.network_utils import outbound_user_agent
+
 logger = logging.getLogger(__name__)
 
 _OPENMHZ_AUDIO_HOSTS = {"media.openmhz.com", "media2.openmhz.com", "media3.openmhz.com"}
 
+
+# Round 7a / Issues #289, #290, #291 (tg12 audit):
+# We previously sent a spoofed Chrome User-Agent and (for OpenMHz) used
+# cloudscraper to bypass anti-bot challenges. Both are dishonest and ToS-
+# unfriendly. We now send the per-install Shadowbroker UA — the upstream
+# can identify us, rate-limit us per install, and contact us if needed.
+#
+# If the upstream actively blocks our honest UA, the feature degrades
+# gracefully (returns an empty list / cached results) rather than
+# escalating to deception.
+
+
+def _broadcastify_user_agent() -> str:
+    return outbound_user_agent("broadcastify")
+
+
+def _openmhz_user_agent() -> str:
+    return outbound_user_agent("openmhz")
+
 # Cache the top feeds for 5 minutes so we don't hammer Broadcastify
 radio_cache = TTLCache(maxsize=1, ttl=300)
 
@@ -22,8 +42,12 @@ def get_top_broadcastify_feeds():
     """
     logger.info("Scraping Broadcastify Top Feeds (Cache Miss)")
     headers = {
-        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
-        "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8",
+        # Issue #289 (tg12) + Round 7a: identify ourselves honestly as a
+        # per-install Shadowbroker scraper. Broadcastify can rate-limit
+        # us per install or block us; either way we stop pretending to be
+        # a browser. If they block, the panel degrades gracefully.
+        "User-Agent": _broadcastify_user_agent(),
+        "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
         "Accept-Language": "en-US,en;q=0.9",
     }
 
@@ -89,21 +113,32 @@ openmhz_systems_cache = TTLCache(maxsize=1, ttl=3600)
 
 @cached(openmhz_systems_cache)
 def get_openmhz_systems():
-    """Fetches the full directory of OpenMHZ systems."""
-    logger.info("Scraping OpenMHZ Systems (Cache Miss)")
-    scraper = cloudscraper.create_scraper(
-        browser={"browser": "chrome", "platform": "windows", "desktop": True}
-    )
+    """Fetches the full directory of OpenMHZ systems.
 
+    Issue #290 (tg12) + Round 7a: replaced cloudscraper-based Chrome
+    impersonation with an honest per-install Shadowbroker User-Agent.
+    If OpenMHz's Cloudflare layer blocks honest traffic, we accept
+    that degradation (return empty list) rather than spoof a browser.
+    """
+    logger.info("Fetching OpenMHZ Systems (Cache Miss)")
     try:
-        res = scraper.get("https://api.openmhz.com/systems", timeout=15)
+        res = requests.get(
+            "https://api.openmhz.com/systems",
+            timeout=15,
+            headers={"User-Agent": _openmhz_user_agent(), "Accept": "application/json"},
+        )
         if res.status_code == 200:
             data = res.json()
-            # Return list of systems
             return data.get("systems", []) if isinstance(data, dict) else []
+        if res.status_code in (403, 503):
+            logger.warning(
+                "OpenMHZ returned %s for systems directory — Cloudflare may "
+                "be blocking our honest UA. Feature degrades to empty result.",
+                res.status_code,
+            )
         return []
     except (requests.RequestException, ConnectionError, TimeoutError, ValueError, KeyError) as e:
-        logger.error(f"OpenMHZ Systems Scrape Exception: {e}")
+        logger.error(f"OpenMHZ Systems Fetch Exception: {e}")
         return []
 
 
@@ -113,21 +148,25 @@ openmhz_calls_cache = TTLCache(maxsize=100, ttl=20)
 
 @cached(openmhz_calls_cache)
 def get_recent_openmhz_calls(sys_name: str):
-    """Fetches the actual audio burst .m4a URLs for a specific system (e.g., 'wmata')."""
-    logger.info(f"Fetching OpenMHZ calls for {sys_name} (Cache Miss)")
-    scraper = cloudscraper.create_scraper(
-        browser={"browser": "chrome", "platform": "windows", "desktop": True}
-    )
+    """Fetches the actual audio burst .m4a URLs for a specific system (e.g., 'wmata').
 
+    Issue #290 (tg12) + Round 7a: same honest-UA model as
+    ``get_openmhz_systems``.
+    """
+    logger.info(f"Fetching OpenMHZ calls for {sys_name} (Cache Miss)")
     try:
         url = f"https://api.openmhz.com/{sys_name}/calls"
-        res = scraper.get(url, timeout=15)
+        res = requests.get(
+            url,
+            timeout=15,
+            headers={"User-Agent": _openmhz_user_agent(), "Accept": "application/json"},
+        )
         if res.status_code == 200:
             data = res.json()
             return data.get("calls", []) if isinstance(data, dict) else []
         return []
     except (requests.RequestException, ConnectionError, TimeoutError, ValueError, KeyError) as e:
-        logger.error(f"OpenMHZ Calls Scrape Exception ({sys_name}): {e}")
+        logger.error(f"OpenMHZ Calls Fetch Exception ({sys_name}): {e}")
         return []
 
 
@@ -163,9 +202,11 @@ def openmhz_audio_response(target_url: str):
                 timeout=(5, 20),
                 allow_redirects=False,
                 headers={
-                    "User-Agent": "Mozilla/5.0",
+                    # Issue #291 (tg12) + Round 7a: drop spoofed Mozilla
+                    # UA and the fake first-party Referer. Identify as
+                    # the per-install Shadowbroker proxy honestly.
+                    "User-Agent": _openmhz_user_agent(),
                     "Accept": "audio/mpeg,audio/*,*/*;q=0.8",
-                    "Referer": "https://openmhz.com/",
                 },
             )
             if upstream.is_redirect or upstream.status_code in (301, 302, 303, 307, 308):

backend/services/region_dossier.py

@@ -4,7 +4,7 @@ import concurrent.futures
 from urllib.parse import quote
 import requests as _requests
 from cachetools import TTLCache
-from services.network_utils import fetch_with_curl
+from services.network_utils import fetch_with_curl, outbound_user_agent
 
 logger = logging.getLogger(__name__)
 
@@ -15,6 +15,31 @@ dossier_cache = TTLCache(maxsize=500, ttl=86400)
 # Nominatim requires max 1 req/sec — track last call time
 _nominatim_last_call = 0.0
 
+# Issues #218 / #219 (tg12): Wikimedia's User-Agent policy requires API
+# clients to identify themselves with a stable User-Agent that includes
+# a contact path.
+#
+# Round 7a: the original fix in PR #284 used a single project-wide
+# identifier, which from Wikimedia's perspective made every Shadowbroker
+# install in the world look like one giant scraper. If one install
+# misbehaved, their only recourse was to block "Shadowbroker" as a
+# whole. We now build the headers from ``outbound_user_agent('wikimedia')``
+# which embeds the per-install operator handle (auto-generated or
+# operator-chosen), so Wikimedia can rate-limit / contact the specific
+# install instead of the project.
+
+
+def _wikimedia_request_headers() -> dict[str, str]:
+    ua = outbound_user_agent("wikimedia")
+    return {
+        "User-Agent": ua,
+        # Browser-JS-style header that Wikimedia's policy explicitly
+        # accepts on top of (or instead of) User-Agent. We send both so
+        # whichever the upstream prefers, the per-operator handle is
+        # always available.
+        "Api-User-Agent": ua,
+    }
+
 
 def _reverse_geocode_offline(lat: float, lng: float) -> dict:
     """Offline fallback via reverse_geocoder when external reverse geocoding is blocked."""
@@ -45,9 +70,7 @@ def _reverse_geocode(lat: float, lng: float) -> dict:
         f"https://nominatim.openstreetmap.org/reverse?"
         f"lat={lat}&lon={lng}&format=json&zoom=10&addressdetails=1&accept-language=en"
     )
-    headers = {
-        "User-Agent": "ShadowBroker-OSINT/1.0 (live-risk-dashboard; contact@shadowbroker.app)"
-    }
+    headers = {"User-Agent": outbound_user_agent("nominatim")}
 
     for attempt in range(2):
         # Enforce Nominatim's 1 req/sec policy
@@ -121,7 +144,13 @@ def _fetch_wikidata_leader(country_name: str) -> dict:
     """
     url = f"https://query.wikidata.org/sparql?query={quote(sparql)}&format=json"
     try:
-        res = fetch_with_curl(url, timeout=6)
+        # Issue #218 (tg12): Wikimedia's User-Agent policy requires
+        # outbound API traffic to be identifiable. fetch_with_curl()
+        # sends the project default, and we also add the Wikimedia-
+        # specific Api-User-Agent that the policy specifically asks
+        # for, since this request originates from a backend service
+        # that proxies on behalf of (potentially many) browser users.
+        res = fetch_with_curl(url, timeout=6, headers=_wikimedia_request_headers())
         if res.status_code == 200:
             results = res.json().get("results", {}).get("bindings", [])
             if results:
@@ -147,7 +176,9 @@ def _fetch_local_wiki_summary(place_name: str, country_name: str = "") -> dict:
         slug = quote(name.replace(" ", "_"))
         url = f"https://en.wikipedia.org/api/rest_v1/page/summary/{slug}"
         try:
-            res = fetch_with_curl(url, timeout=5)
+            # Issue #219 (tg12): identify ourselves to Wikimedia per
+            # their UA policy; see _fetch_wikidata_leader above.
+            res = fetch_with_curl(url, timeout=5, headers=_wikimedia_request_headers())
             if res.status_code == 200:
                 data = res.json()
                 if data.get("type") != "disambiguation":

backend/services/sar/sar_products_client.py

@@ -34,6 +34,11 @@ from services.sar.sar_config import (
     copernicus_token,
     earthdata_token,
 )
+
+
+def _sar_user_agent() -> str:
+    from services.network_utils import outbound_user_agent
+    return outbound_user_agent("sar-products")
 from services.sar.sar_normalize import (
     SarAnomaly,
     evidence_hash_for_payload,
@@ -442,7 +447,7 @@ def _fetch_unosat_packages() -> list[dict[str, Any]]:
     # HDX CKAN returns 406 without explicit Accept + a browser-ish UA.
     hdx_headers = {
         "Accept": "application/json",
-        "User-Agent": "Mozilla/5.0 (compatible; ShadowBroker-SAR/1.0)",
+        "User-Agent": _sar_user_agent(),
     }
     try:
         resp = fetch_with_curl(url, timeout=20, headers=hdx_headers)

backend/services/sentinel_search.py

@@ -11,12 +11,21 @@ import requests
 from datetime import datetime, timedelta
 from cachetools import TTLCache
 
+from services.network_utils import outbound_user_agent
+
 logger = logging.getLogger(__name__)
 
 # Cache by rounded lat/lon (0.02° grid ~= 2km), TTL 1 hour
 _sentinel_cache = TTLCache(maxsize=200, ttl=3600)
 
 
+def _planetary_user_agent() -> str:
+    # Round 7a: per-install handle so Microsoft Planetary Computer can
+    # attribute requests to the specific operator rather than treating
+    # the whole Shadowbroker user base as one entity.
+    return outbound_user_agent("sentinel2-planetary-computer")
+
+
 def _esri_imagery_fallback(lat: float, lng: float) -> dict:
     lat_span = 0.18
     lng_span = 0.24
@@ -64,7 +73,7 @@ def search_sentinel2_scene(lat: float, lng: float) -> dict:
             "https://planetarycomputer.microsoft.com/api/stac/v1/search",
             json=search_payload,
             timeout=8,
-            headers={"User-Agent": "ShadowBroker-OSINT/1.0 (live-risk-dashboard)"},
+            headers={"User-Agent": _planetary_user_agent()},
         )
         search_res.raise_for_status()
         data = search_res.json()

backend/services/shodan_connector.py

@@ -20,7 +20,11 @@ from cachetools import TTLCache
 logger = logging.getLogger(__name__)
 
 _SHODAN_BASE = "https://api.shodan.io"
-_USER_AGENT = "ShadowBroker/0.9.79 local Shodan connector"
+# Round 7a: per-install attribution. Shodan already has the operator API
+# key for billing, but the UA still identifies the install.
+def _shodan_user_agent():
+    from services.network_utils import outbound_user_agent
+    return outbound_user_agent("shodan")
 _REQUEST_TIMEOUT = 15
 _MIN_INTERVAL_SECONDS = 1.05  # Shodan docs say API plans are rate limited to ~1 req/sec.
 _DEFAULT_SEARCH_PAGES = 1
@@ -179,7 +183,7 @@ def _request(path: str, *, params: dict[str, Any], cache: TTLCache[str, dict[str
                 f"{_SHODAN_BASE}{path}",
                 params=payload,
                 timeout=_REQUEST_TIMEOUT,
-                headers={"User-Agent": _USER_AGENT, "Accept": "application/json"},
+                headers={"User-Agent": _shodan_user_agent(), "Accept": "application/json"},
             )
         finally:
             _last_request_at = time.monotonic()

backend/services/tinygs_fetcher.py

@@ -19,6 +19,13 @@ from pathlib import Path
 import requests
 from sgp4.api import Satrec, WGS72, jday
 
+
+
+def _tinygs_user_agent(purpose: str) -> str:
+    """Round 7a: per-install handle for CelesTrak / TinyGS attribution."""
+    from services.network_utils import outbound_user_agent
+    return outbound_user_agent(f"tinygs-{purpose}")
+
 logger = logging.getLogger(__name__)
 
 # ---------------------------------------------------------------------------
@@ -113,7 +120,7 @@ def _fetch_celestrak_tles() -> list[dict]:
                 params={"GROUP": group, "FORMAT": "json"},
                 timeout=20,
                 headers={
-                    "User-Agent": "ShadowBroker-OSINT/1.0 (CelesTrak fair-use)",
+                    "User-Agent": _tinygs_user_agent("celestrak"),
                     "Accept": "application/json",
                 },
             )
@@ -259,7 +266,7 @@ def _fetch_tinygs_telemetry() -> None:
             timeout=15,
             headers={
                 "Accept": "application/json",
-                "User-Agent": "ShadowBroker-OSINT/1.0",
+                "User-Agent": _tinygs_user_agent("tinygs"),
             },
         )
         resp.raise_for_status()

backend/services/unusual_whales_connector.py

@@ -24,7 +24,9 @@ from cachetools import TTLCache
 logger = logging.getLogger(__name__)
 
 _FINNHUB_BASE = "https://finnhub.io/api/v1"
-_USER_AGENT = "ShadowBroker/0.9.79 Finnhub connector"
+def _finnhub_user_agent():
+    from services.network_utils import outbound_user_agent
+    return outbound_user_agent("finnhub")
 _REQUEST_TIMEOUT = 12
 _MIN_INTERVAL_SECONDS = 0.35  # Stay well under 60 calls/min
 
@@ -89,7 +91,7 @@ def _request(path: str, params: dict[str, Any] | None = None) -> Any:
                 f"{_FINNHUB_BASE}{path}",
                 params=payload,
                 timeout=_REQUEST_TIMEOUT,
-                headers={"User-Agent": _USER_AGENT, "Accept": "application/json"},
+                headers={"User-Agent": _finnhub_user_agent(), "Accept": "application/json"},
             )
         finally:
             _last_request_at = time.monotonic()

backend/tests/data/duplicate_routes_baseline.json

@@ -0,0 +1,677 @@
+{
+  "_meta": {
+    "issue": "#239",
+    "note": "Snapshot of currently-tolerated duplicate route registrations. The test in test_no_new_duplicate_routes.py fails if any NEW (method, path) duplicate appears outside this list. Removing entries (by actually deduping) is fine and the test stays green. New entries here require explicit, reviewed updates.",
+    "generated_with": "python -c 'see tests/test_no_new_duplicate_routes.py'"
+  },
+  "duplicates": {
+    "DELETE /api/mesh/peers": [
+      "main",
+      "routers.mesh_operator",
+      "routers.mesh_public"
+    ],
+    "DELETE /api/wormhole/dm/contact/{peer_id}": [
+      "main",
+      "routers.wormhole"
+    ],
+    "DELETE /api/wormhole/dm/invite/handles/{handle}": [
+      "main",
+      "routers.wormhole"
+    ],
+    "GET /api/cctv/media": [
+      "main",
+      "routers.cctv"
+    ],
+    "GET /api/debug-latest": [
+      "main",
+      "routers.health"
+    ],
+    "GET /api/geocode/reverse": [
+      "main",
+      "routers.tools"
+    ],
+    "GET /api/geocode/search": [
+      "main",
+      "routers.tools"
+    ],
+    "GET /api/health": [
+      "main",
+      "routers.health"
+    ],
+    "GET /api/live-data": [
+      "main",
+      "routers.data"
+    ],
+    "GET /api/live-data/fast": [
+      "main",
+      "routers.data"
+    ],
+    "GET /api/live-data/slow": [
+      "main",
+      "routers.data"
+    ],
+    "GET /api/mesh/channels": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/dm/count": [
+      "main",
+      "routers.mesh_dm"
+    ],
+    "GET /api/mesh/dm/poll": [
+      "main",
+      "routers.mesh_dm"
+    ],
+    "GET /api/mesh/dm/prekey-bundle": [
+      "main",
+      "routers.mesh_dm"
+    ],
+    "GET /api/mesh/dm/pubkey": [
+      "main",
+      "routers.mesh_dm"
+    ],
+    "GET /api/mesh/dm/witness": [
+      "main",
+      "routers.mesh_dm"
+    ],
+    "GET /api/mesh/gate/list": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/gate/{gate_id}": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/gate/{gate_id}/messages": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/infonet/event/{event_id}": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/infonet/events": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/infonet/locator": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/infonet/merkle": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/infonet/messages": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/infonet/messages/wait": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/infonet/node/{node_id}": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/infonet/status": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/infonet/sync": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/log": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/messages": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/metrics": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/oracle/consensus": [
+      "main",
+      "routers.mesh_oracle"
+    ],
+    "GET /api/mesh/oracle/markets": [
+      "main",
+      "routers.mesh_oracle"
+    ],
+    "GET /api/mesh/oracle/markets/more": [
+      "main",
+      "routers.mesh_oracle"
+    ],
+    "GET /api/mesh/oracle/predictions": [
+      "main",
+      "routers.mesh_oracle"
+    ],
+    "GET /api/mesh/oracle/profile": [
+      "main",
+      "routers.mesh_oracle"
+    ],
+    "GET /api/mesh/oracle/search": [
+      "main",
+      "routers.mesh_oracle"
+    ],
+    "GET /api/mesh/oracle/stakes/{message_id}": [
+      "main",
+      "routers.mesh_oracle"
+    ],
+    "GET /api/mesh/peers": [
+      "main",
+      "routers.mesh_operator",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/reputation": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/reputation/all": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/reputation/batch": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/rns/status": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/signals": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/status": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "GET /api/mesh/trust/vouches": [
+      "main",
+      "routers.mesh_dm"
+    ],
+    "GET /api/oracle/region-intel": [
+      "main",
+      "routers.sigint"
+    ],
+    "GET /api/radio/nearest": [
+      "main",
+      "routers.radio"
+    ],
+    "GET /api/radio/nearest-list": [
+      "main",
+      "routers.radio"
+    ],
+    "GET /api/radio/openmhz/audio": [
+      "main",
+      "routers.radio"
+    ],
+    "GET /api/radio/openmhz/calls/{sys_name}": [
+      "main",
+      "routers.radio"
+    ],
+    "GET /api/radio/openmhz/systems": [
+      "main",
+      "routers.radio"
+    ],
+    "GET /api/radio/top": [
+      "main",
+      "routers.radio"
+    ],
+    "GET /api/refresh": [
+      "main",
+      "routers.data"
+    ],
+    "GET /api/region-dossier": [
+      "main",
+      "routers.tools"
+    ],
+    "GET /api/route/{callsign}": [
+      "main",
+      "routers.radio"
+    ],
+    "GET /api/sentinel2/search": [
+      "main",
+      "routers.tools"
+    ],
+    "GET /api/settings/api-keys": [
+      "main",
+      "routers.admin"
+    ],
+    "GET /api/settings/api-keys/meta": [
+      "main",
+      "routers.admin"
+    ],
+    "GET /api/settings/news-feeds": [
+      "main",
+      "routers.admin"
+    ],
+    "GET /api/settings/node": [
+      "main",
+      "routers.admin"
+    ],
+    "GET /api/settings/privacy-profile": [
+      "main",
+      "routers.wormhole"
+    ],
+    "GET /api/settings/wormhole": [
+      "main",
+      "routers.wormhole"
+    ],
+    "GET /api/settings/wormhole-status": [
+      "main",
+      "routers.wormhole"
+    ],
+    "GET /api/sigint/nearest-sdr": [
+      "main",
+      "routers.sigint"
+    ],
+    "GET /api/thermal/verify": [
+      "main",
+      "routers.sigint"
+    ],
+    "GET /api/tools/shodan/status": [
+      "main",
+      "routers.tools"
+    ],
+    "GET /api/tools/uw/status": [
+      "main",
+      "routers.tools"
+    ],
+    "GET /api/wormhole/dm/contacts": [
+      "main",
+      "routers.wormhole"
+    ],
+    "GET /api/wormhole/dm/identity": [
+      "main",
+      "routers.wormhole"
+    ],
+    "GET /api/wormhole/dm/invite": [
+      "main",
+      "routers.wormhole"
+    ],
+    "GET /api/wormhole/dm/invite/handles": [
+      "main",
+      "routers.wormhole"
+    ],
+    "GET /api/wormhole/gate/{gate_id}/identity": [
+      "main",
+      "routers.wormhole"
+    ],
+    "GET /api/wormhole/gate/{gate_id}/key": [
+      "main",
+      "routers.wormhole"
+    ],
+    "GET /api/wormhole/gate/{gate_id}/personas": [
+      "main",
+      "routers.wormhole"
+    ],
+    "GET /api/wormhole/health": [
+      "main",
+      "routers.wormhole"
+    ],
+    "GET /api/wormhole/identity": [
+      "main",
+      "routers.wormhole"
+    ],
+    "GET /api/wormhole/status": [
+      "main",
+      "routers.wormhole"
+    ],
+    "PATCH /api/mesh/peers": [
+      "main",
+      "routers.mesh_operator",
+      "routers.mesh_public"
+    ],
+    "POST /api/ais/feed": [
+      "main",
+      "routers.data"
+    ],
+    "POST /api/layers": [
+      "main",
+      "routers.data"
+    ],
+    "POST /api/mesh/dm/block": [
+      "main",
+      "routers.mesh_dm"
+    ],
+    "POST /api/mesh/dm/count": [
+      "main",
+      "routers.mesh_dm"
+    ],
+    "POST /api/mesh/dm/poll": [
+      "main",
+      "routers.mesh_dm"
+    ],
+    "POST /api/mesh/dm/register": [
+      "main",
+      "routers.mesh_dm"
+    ],
+    "POST /api/mesh/dm/send": [
+      "main",
+      "routers.mesh_dm"
+    ],
+    "POST /api/mesh/dm/witness": [
+      "main",
+      "routers.mesh_dm"
+    ],
+    "POST /api/mesh/gate/create": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "POST /api/mesh/gate/peer-pull": [
+      "main",
+      "routers.mesh_peer_sync"
+    ],
+    "POST /api/mesh/gate/peer-push": [
+      "main",
+      "routers.mesh_peer_sync"
+    ],
+    "POST /api/mesh/gate/{gate_id}/message": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "POST /api/mesh/identity/revoke": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "POST /api/mesh/identity/rotate": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "POST /api/mesh/infonet/ingest": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "POST /api/mesh/infonet/peer-push": [
+      "main",
+      "routers.mesh_peer_sync"
+    ],
+    "POST /api/mesh/infonet/sync": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "POST /api/mesh/oracle/predict": [
+      "main",
+      "routers.mesh_oracle"
+    ],
+    "POST /api/mesh/oracle/resolve": [
+      "main",
+      "routers.mesh_oracle"
+    ],
+    "POST /api/mesh/oracle/resolve-stakes": [
+      "main",
+      "routers.mesh_oracle"
+    ],
+    "POST /api/mesh/oracle/stake": [
+      "main",
+      "routers.mesh_oracle"
+    ],
+    "POST /api/mesh/peers": [
+      "main",
+      "routers.mesh_operator",
+      "routers.mesh_public"
+    ],
+    "POST /api/mesh/report": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "POST /api/mesh/send": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "POST /api/mesh/trust/vouch": [
+      "main",
+      "routers.mesh_dm"
+    ],
+    "POST /api/mesh/vote": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "POST /api/sentinel/tile": [
+      "main",
+      "routers.tools"
+    ],
+    "POST /api/sentinel/token": [
+      "main",
+      "routers.tools"
+    ],
+    "POST /api/settings/news-feeds/reset": [
+      "main",
+      "routers.admin"
+    ],
+    "POST /api/sigint/transmit": [
+      "main",
+      "routers.sigint"
+    ],
+    "POST /api/system/update": [
+      "main",
+      "routers.admin"
+    ],
+    "POST /api/tools/shodan/count": [
+      "main",
+      "routers.tools"
+    ],
+    "POST /api/tools/shodan/host": [
+      "main",
+      "routers.tools"
+    ],
+    "POST /api/tools/shodan/search": [
+      "main",
+      "routers.tools"
+    ],
+    "POST /api/tools/uw/congress": [
+      "main",
+      "routers.tools"
+    ],
+    "POST /api/tools/uw/darkpool": [
+      "main",
+      "routers.tools"
+    ],
+    "POST /api/tools/uw/flow": [
+      "main",
+      "routers.tools"
+    ],
+    "POST /api/viewport": [
+      "main",
+      "routers.data"
+    ],
+    "POST /api/wormhole/connect": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/disconnect": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/bootstrap-decrypt": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/bootstrap-encrypt": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/build-seal": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/compose": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/dead-drop-token": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/dead-drop-tokens": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/decrypt": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/encrypt": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/invite/import": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/open-seal": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/pairwise-alias": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/pairwise-alias/rotate": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/prekey/register": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/register-key": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/reset": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/sas": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/dm/sender-token": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/enter": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/key/grant": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/key/rotate": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/leave": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/message/compose": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/message/decrypt": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/message/post": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/message/post-encrypted": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/message/sign-encrypted": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/messages/decrypt": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/persona/activate": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/persona/clear": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/persona/create": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/persona/retire": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/proof": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/gate/state/export": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/identity/bootstrap": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/join": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/leave": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/restart": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/sign": [
+      "main",
+      "routers.wormhole"
+    ],
+    "POST /api/wormhole/sign-raw": [
+      "main",
+      "routers.wormhole"
+    ],
+    "PUT /api/mesh/gate/{gate_id}/envelope_policy": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "PUT /api/mesh/gate/{gate_id}/legacy_envelope_fallback": [
+      "main",
+      "routers.mesh_public"
+    ],
+    "PUT /api/settings/news-feeds": [
+      "main",
+      "routers.admin"
+    ],
+    "PUT /api/settings/node": [
+      "main",
+      "routers.admin"
+    ],
+    "PUT /api/settings/privacy-profile": [
+      "main",
+      "routers.wormhole"
+    ],
+    "PUT /api/settings/wormhole": [
+      "main",
+      "routers.wormhole"
+    ],
+    "PUT /api/wormhole/dm/contact": [
+      "main",
+      "routers.wormhole"
+    ]
+  }
+}

backend/tests/test_carrier_tracker_quality.py

@@ -0,0 +1,389 @@
+"""Issues #244, #245, #246 (tg12 external audit): carrier tracker
+quality + provenance + freshness.
+
+These tests pin the post-fix contract:
+
+- **#244**: dated editorial snapshot positions no longer live in the
+  registry. They live in a one-shot seed file that is consumed once
+  on first-ever startup. After that, the runtime cache reflects only
+  what THIS install has actually observed.
+
+- **#245**: headline-derived positions (centroid of a region keyword)
+  are stamped ``position_confidence = "approximate"`` so the UI can
+  render them with appropriate uncertainty.
+
+- **#246**: freshness is a *labelling* decision, not an eviction
+  decision. Positions older than the configurable freshness window
+  flip from ``"recent"`` to ``"stale"`` but are NEVER replaced with
+  the registry default — that would teleport the carrier. The user
+  always sees the last position the system actually observed.
+"""
+from __future__ import annotations
+
+import json
+import os
+from datetime import datetime, timedelta, timezone
+from pathlib import Path
+from unittest.mock import patch
+
+import pytest
+
+
+@pytest.fixture
+def fresh_tracker(tmp_path, monkeypatch):
+    """Isolated carrier_tracker with seed/cache paths redirected to tmp.
+
+    Yields the module so tests can call its functions; resets globals
+    between tests so position caches don't leak across cases.
+    """
+    from services import carrier_tracker
+
+    seed_path = tmp_path / "data" / "carrier_seed.json"
+    cache_path = tmp_path / "carrier_cache.json"
+    seed_path.parent.mkdir(parents=True, exist_ok=True)
+
+    monkeypatch.setattr(carrier_tracker, "SEED_FILE", seed_path)
+    monkeypatch.setattr(carrier_tracker, "CACHE_FILE", cache_path)
+    monkeypatch.delenv("SHADOWBROKER_CARRIER_FRESHNESS_DAYS", raising=False)
+
+    # Reset module-level mutable state.
+    carrier_tracker._carrier_positions.clear()
+    carrier_tracker._cached_gdelt_articles.clear()
+    carrier_tracker._last_gdelt_fetch_at = 0.0
+
+    yield carrier_tracker
+
+    # Clean up so subsequent tests start fresh.
+    carrier_tracker._carrier_positions.clear()
+    carrier_tracker._cached_gdelt_articles.clear()
+
+
+def _write_seed(path: Path, hull: str = "CVN-78", **overrides) -> None:
+    payload = {
+        "_meta": {
+            "as_of": "2026-03-09",
+            "source": "USNI News Fleet & Marine Tracker",
+            "source_url": "https://news.usni.org/...",
+            "note": "test",
+        },
+        "carriers": {
+            hull: {
+                "lat": 18.0,
+                "lng": 39.5,
+                "heading": 0,
+                "desc": "Red Sea — Operation Epic Fury (USNI Mar 9)",
+                "source": "USNI News Fleet & Marine Tracker (seed, as of 2026-03-09)",
+                "source_url": "https://news.usni.org/category/fleet-tracker",
+                "position_source_at": "2026-03-09T00:00:00Z",
+                "position_confidence": "seed",
+                **overrides,
+            }
+        },
+    }
+    path.write_text(json.dumps(payload), encoding="utf-8")
+
+
+# ---------------------------------------------------------------------------
+# #244 — first-run seed bootstrap, never re-seeds after that
+# ---------------------------------------------------------------------------
+
+
+class TestSeedBootstrap:
+    def test_first_ever_startup_bootstraps_from_seed(self, fresh_tracker, tmp_path):
+        _write_seed(fresh_tracker.SEED_FILE)
+        # No cache exists yet.
+        assert not fresh_tracker.CACHE_FILE.exists()
+
+        positions = fresh_tracker._bootstrap_cache_if_missing()
+
+        # The seed entry made it into the cache.
+        assert "CVN-78" in positions
+        assert positions["CVN-78"]["lat"] == 18.0
+        assert positions["CVN-78"]["position_confidence"] == "seed"
+        # And the cache file is now on disk so subsequent runs skip the seed.
+        assert fresh_tracker.CACHE_FILE.exists()
+
+    def test_subsequent_startup_ignores_seed(self, fresh_tracker, tmp_path):
+        # Pre-seed a different position into the cache; the seed file says Red Sea.
+        cache_data = {
+            "CVN-78": {
+                "lat": 25.0,
+                "lng": 55.0,
+                "heading": 0,
+                "desc": "Persian Gulf — operator-observed",
+                "source": "Operator log",
+                "source_url": "",
+                "position_source_at": "2026-04-15T12:00:00Z",
+                "position_confidence": "recent",
+            }
+        }
+        fresh_tracker.CACHE_FILE.write_text(json.dumps(cache_data))
+        _write_seed(fresh_tracker.SEED_FILE)  # seed is present but should NOT be used
+
+        positions = fresh_tracker._bootstrap_cache_if_missing()
+
+        assert positions["CVN-78"]["lat"] == 25.0
+        assert positions["CVN-78"]["desc"] == "Persian Gulf — operator-observed"
+
+    def test_no_seed_no_cache_falls_back_to_homeport(self, fresh_tracker):
+        # Neither seed nor cache. Must fall back to homeport defaults
+        # (carrier never disappears).
+        assert not fresh_tracker.SEED_FILE.exists()
+        assert not fresh_tracker.CACHE_FILE.exists()
+
+        positions = fresh_tracker._bootstrap_cache_if_missing()
+
+        # Every registered carrier has SOMETHING.
+        assert set(positions.keys()) == set(fresh_tracker.CARRIER_REGISTRY.keys())
+        # All entries are labelled as homeport defaults.
+        for hull, entry in positions.items():
+            assert entry["position_confidence"] == "homeport_default"
+            registry = fresh_tracker.CARRIER_REGISTRY[hull]
+            assert entry["lat"] == registry["homeport_lat"]
+            assert entry["lng"] == registry["homeport_lng"]
+
+
+# ---------------------------------------------------------------------------
+# #244 — no editorial fallbacks live in the registry
+# ---------------------------------------------------------------------------
+
+
+class TestRegistryShape:
+    def test_registry_has_no_dated_fallback_fields(self, fresh_tracker):
+        """The Mar 9 editorial coordinates are gone from the registry.
+        They live only in the seed file."""
+        forbidden = {"fallback_lat", "fallback_lng", "fallback_heading", "fallback_desc"}
+        for hull, entry in fresh_tracker.CARRIER_REGISTRY.items():
+            offending = forbidden & set(entry.keys())
+            assert not offending, f"{hull} still has dated registry fields: {offending}"
+
+    def test_registry_keeps_homeport_for_every_hull(self, fresh_tracker):
+        for hull, entry in fresh_tracker.CARRIER_REGISTRY.items():
+            assert "homeport_lat" in entry, f"{hull} missing homeport_lat"
+            assert "homeport_lng" in entry, f"{hull} missing homeport_lng"
+            assert "name" in entry
+            assert "wiki" in entry
+
+
+# ---------------------------------------------------------------------------
+# #246 — freshness labelling, NOT eviction
+# ---------------------------------------------------------------------------
+
+
+class TestFreshnessLabelling:
+    def test_recent_observation_labels_recent(self, fresh_tracker):
+        now = datetime(2026, 6, 1, tzinfo=timezone.utc)
+        entry = {
+            "lat": 25.0,
+            "lng": 55.0,
+            "position_source_at": (now - timedelta(days=3)).isoformat(),
+        }
+        assert fresh_tracker._compute_position_confidence(entry, now=now) == "recent"
+
+    def test_aged_observation_flips_to_stale(self, fresh_tracker):
+        now = datetime(2026, 6, 1, tzinfo=timezone.utc)
+        entry = {
+            "lat": 25.0,
+            "lng": 55.0,
+            "position_source_at": (now - timedelta(days=30)).isoformat(),
+        }
+        assert fresh_tracker._compute_position_confidence(entry, now=now) == "stale"
+
+    def test_seed_label_is_preserved_explicitly(self, fresh_tracker):
+        now = datetime(2026, 6, 1, tzinfo=timezone.utc)
+        entry = {
+            "lat": 18.0,
+            "lng": 39.5,
+            "position_source_at": "2026-03-09T00:00:00Z",
+            "position_confidence": "seed",
+        }
+        # Even though the source is months old, the explicit "seed" label wins
+        # so the UI can render the seed-specific badge instead of generic "stale".
+        assert fresh_tracker._compute_position_confidence(entry, now=now) == "seed"
+
+    def test_homeport_default_label_is_preserved(self, fresh_tracker):
+        now = datetime(2026, 6, 1, tzinfo=timezone.utc)
+        entry = {
+            "lat": 36.95,
+            "lng": -76.32,
+            "position_source_at": now.isoformat(),
+            "position_confidence": "homeport_default",
+        }
+        assert fresh_tracker._compute_position_confidence(entry, now=now) == "homeport_default"
+
+    def test_freshness_window_is_env_configurable(self, fresh_tracker, monkeypatch):
+        now = datetime(2026, 6, 1, tzinfo=timezone.utc)
+        entry = {
+            "lat": 25.0,
+            "lng": 55.0,
+            "position_source_at": (now - timedelta(days=20)).isoformat(),
+        }
+        # Default window = 14 days → 20-day-old entry is stale.
+        assert fresh_tracker._compute_position_confidence(entry, now=now) == "stale"
+        # Stretch to 30 days → same entry is now "recent".
+        monkeypatch.setenv("SHADOWBROKER_CARRIER_FRESHNESS_DAYS", "30")
+        assert fresh_tracker._compute_position_confidence(entry, now=now) == "recent"
+
+    def test_aged_cache_entry_keeps_its_position_never_reverts(self, fresh_tracker):
+        """The core regression test for the user's intent: a year-old
+        cache entry must NOT be replaced with the seed or homeport.
+        The PHYSICAL position the user sees is the last one observed;
+        only the freshness LABEL changes."""
+        a_year_ago = (datetime.now(timezone.utc) - timedelta(days=365)).isoformat()
+        cache_data = {
+            "CVN-78": {
+                "lat": 25.0,
+                "lng": 55.0,
+                "heading": 0,
+                "desc": "Persian Gulf",
+                "source": "GDELT News API",
+                "source_url": "https://news.example/...",
+                "position_source_at": a_year_ago,
+                "position_confidence": "recent",  # was recent when written
+            }
+        }
+        fresh_tracker.CACHE_FILE.write_text(json.dumps(cache_data))
+
+        positions = fresh_tracker._bootstrap_cache_if_missing()
+        enriched = fresh_tracker._enrich_for_rendering("CVN-78", positions["CVN-78"])
+
+        # The position is preserved exactly.
+        assert enriched["lat"] == 25.0
+        assert enriched["lng"] == 55.0
+        # But the live label has flipped to stale.
+        assert enriched["position_confidence"] == "stale"
+        assert enriched["is_fallback"] is True
+
+
+# ---------------------------------------------------------------------------
+# #245 — approximate confidence for region-centroid positions
+# ---------------------------------------------------------------------------
+
+
+class TestApproximateConfidenceForNewsDerivedPositions:
+    def test_news_parsing_stamps_approximate_confidence(self, fresh_tracker):
+        articles = [
+            {
+                "title": "USS Ford carrier deployed in Mediterranean for joint exercise",
+                "url": "https://news.example/ford-mediterranean",
+                "seendate": "20260415120000",
+            }
+        ]
+        updates = fresh_tracker._parse_carrier_positions_from_news(articles)
+        assert "CVN-78" in updates
+        entry = updates["CVN-78"]
+        assert entry["position_confidence"] == "approximate"
+        # And the source_at is the article's seen date, not now().
+        assert entry["position_source_at"].startswith("2026-04-15")
+
+    def test_gdelt_seendate_parser_handles_well_formed_input(self, fresh_tracker):
+        iso = fresh_tracker._gdelt_seendate_to_iso("20260415120000")
+        assert iso is not None
+        assert iso.startswith("2026-04-15T12:00:00")
+
+    def test_gdelt_seendate_parser_returns_none_on_garbage(self, fresh_tracker):
+        assert fresh_tracker._gdelt_seendate_to_iso("") is None
+        assert fresh_tracker._gdelt_seendate_to_iso("not-a-date") is None
+        assert fresh_tracker._gdelt_seendate_to_iso("2026") is None
+
+
+# ---------------------------------------------------------------------------
+# Full enrichment → public API shape
+# ---------------------------------------------------------------------------
+
+
+class TestEnrichForRendering:
+    def test_seed_entry_produces_expected_public_fields(self, fresh_tracker):
+        seed_entry = {
+            "lat": 18.0,
+            "lng": 39.5,
+            "heading": 0,
+            "desc": "Red Sea (USNI Mar 9)",
+            "source": "USNI News Fleet & Marine Tracker (seed, as of 2026-03-09)",
+            "source_url": "https://news.usni.org/category/fleet-tracker",
+            "position_source_at": "2026-03-09T00:00:00Z",
+            "position_confidence": "seed",
+        }
+        enriched = fresh_tracker._enrich_for_rendering("CVN-78", seed_entry)
+        # Existing UI fields preserved.
+        assert enriched["lat"] == 18.0
+        assert enriched["lng"] == 39.5
+        assert enriched["source"].startswith("USNI")
+        assert enriched["last_osint_update"] == "2026-03-09T00:00:00Z"
+        # New audit-required fields.
+        assert enriched["position_confidence"] == "seed"
+        assert enriched["position_source_at"] == "2026-03-09T00:00:00Z"
+        assert enriched["is_fallback"] is True
+
+    def test_recent_observation_is_not_fallback(self, fresh_tracker):
+        now = datetime.now(timezone.utc)
+        recent_entry = {
+            "lat": 25.0,
+            "lng": 55.0,
+            "heading": 0,
+            "desc": "Persian Gulf",
+            "source": "GDELT News API",
+            "source_url": "https://news.example/...",
+            "position_source_at": (now - timedelta(days=2)).isoformat(),
+            "position_confidence": "approximate",
+        }
+        enriched = fresh_tracker._enrich_for_rendering("CVN-78", recent_entry, now=now)
+        assert enriched["position_confidence"] == "approximate"
+        # Approximate (from a recent headline) is honest precision, but the UI
+        # treats it as live data — is_fallback only flips True for explicit
+        # fallback categories (seed / stale / homeport_default).
+        assert enriched["is_fallback"] is False
+
+
+# ---------------------------------------------------------------------------
+# Regression: existing frontend fields are preserved
+# ---------------------------------------------------------------------------
+
+
+class TestPublicResponseShapeBackwardCompat:
+    """The frontend ShipPopup expects `estimated`, `source`, `source_url`,
+    `last_osint_update`. The new fields are additive and existing fields
+    keep their meaning so the UI does not need updating to keep working."""
+
+    def test_get_carrier_positions_preserves_existing_keys(self, fresh_tracker):
+        _write_seed(fresh_tracker.SEED_FILE)
+        fresh_tracker._bootstrap_cache_if_missing()
+        with fresh_tracker._positions_lock:
+            fresh_tracker._carrier_positions.update(
+                {
+                    "CVN-78": {
+                        "lat": 18.0,
+                        "lng": 39.5,
+                        "heading": 0,
+                        "desc": "Red Sea (seed)",
+                        "source": "Seed",
+                        "source_url": "",
+                        "position_source_at": "2026-03-09T00:00:00Z",
+                        "position_confidence": "seed",
+                    }
+                }
+            )
+
+        out = fresh_tracker.get_carrier_positions()
+        assert len(out) == 1
+        c = out[0]
+        # Old fields the frontend uses.
+        for key in (
+            "name",
+            "type",
+            "lat",
+            "lng",
+            "country",
+            "desc",
+            "wiki",
+            "estimated",
+            "source",
+            "source_url",
+            "last_osint_update",
+        ):
+            assert key in c, f"missing legacy field {key!r}"
+        # New fields.
+        for key in ("position_confidence", "position_source_at", "is_fallback"):
+            assert key in c, f"missing audit-required field {key!r}"
+        assert c["type"] == "carrier"
+        assert c["estimated"] is True

backend/tests/test_gdelt_gcs_direct_rewrite.py

@@ -0,0 +1,83 @@
+"""GDELT's ``data.gdeltproject.org`` is a CNAME to a Google Cloud Storage
+bucket. GCS responds with the wildcard ``*.storage.googleapis.com``
+certificate, which legitimately does NOT cover the GDELT custom
+domain, so Python's TLS verification refuses the connection. Some
+networks happen to route through a path where this works; many
+(notably Docker Desktop's outbound NAT on local installs) do not.
+
+The fix in ``services.geopolitics._gcs_direct_gdelt_url`` rewrites any
+URL pointing at ``data.gdeltproject.org`` to its GCS-direct equivalent
+(``storage.googleapis.com/data.gdeltproject.org/...``), where the
+standard GCS certificate is genuinely valid. ``api.gdeltproject.org``
+and every other host are left untouched.
+
+These tests pin that behavior so a future refactor that drops the
+helper or accidentally rewrites the wrong host gets a loud failure.
+"""
+from __future__ import annotations
+
+import pytest
+
+
+def test_rewrites_data_gdeltproject_https():
+    from services.geopolitics import _gcs_direct_gdelt_url
+
+    assert _gcs_direct_gdelt_url(
+        "https://data.gdeltproject.org/gdeltv2/lastupdate.txt"
+    ) == "https://storage.googleapis.com/data.gdeltproject.org/gdeltv2/lastupdate.txt"
+
+
+def test_rewrites_data_gdeltproject_http():
+    """GDELT's lastupdate.txt sometimes lists URLs with http:// — we
+    rewrite those too (the downstream call upgrades them to https)."""
+    from services.geopolitics import _gcs_direct_gdelt_url
+
+    assert _gcs_direct_gdelt_url(
+        "http://data.gdeltproject.org/gdeltv2/20260301120000.export.CSV.zip"
+    ) == "http://storage.googleapis.com/data.gdeltproject.org/gdeltv2/20260301120000.export.CSV.zip"
+
+
+def test_rewrites_preserve_query_string_and_path():
+    from services.geopolitics import _gcs_direct_gdelt_url
+
+    url = "https://data.gdeltproject.org/some/deep/path?a=1&b=2&c=hello%20world"
+    rewritten = _gcs_direct_gdelt_url(url)
+    assert rewritten == (
+        "https://storage.googleapis.com/data.gdeltproject.org"
+        "/some/deep/path?a=1&b=2&c=hello%20world"
+    )
+
+
+def test_does_not_touch_api_gdeltproject_org():
+    """The API host is NOT a CNAME to GCS; rewriting it would break the
+    actual GDELT API endpoint."""
+    from services.geopolitics import _gcs_direct_gdelt_url
+
+    url = "https://api.gdeltproject.org/api/v2/doc/doc?query=carrier"
+    assert _gcs_direct_gdelt_url(url) == url
+
+
+def test_does_not_touch_other_hosts():
+    from services.geopolitics import _gcs_direct_gdelt_url
+
+    for url in (
+        "https://en.wikipedia.org/wiki/Boeing_747",
+        "https://query.wikidata.org/sparql",
+        "https://storage.googleapis.com/already-correct/path",
+        "https://nominatim.openstreetmap.org/search",
+    ):
+        assert _gcs_direct_gdelt_url(url) == url
+
+
+def test_does_not_partially_match_strings():
+    """``data.gdeltproject.org`` is matched exactly; URLs that merely
+    contain that substring elsewhere (in a query parameter, for example)
+    are left alone. Otherwise we'd rewrite something like
+    ``https://example.com/?ref=data.gdeltproject.org/x`` which is wrong."""
+    from services.geopolitics import _gcs_direct_gdelt_url
+
+    # The match requires ``://`` immediately before the host, so a host
+    # like ``example-data.gdeltproject.org`` would also be left alone
+    # (treated as a different host, which is correct).
+    url = "https://example-data.gdeltproject.org/path"
+    assert _gcs_direct_gdelt_url(url) == url

backend/tests/test_no_new_duplicate_routes.py

@@ -0,0 +1,208 @@
+"""Issue #239 (tg12): backend registers duplicate API routes in both
+``main.py`` and router modules, so request behavior depends on the
+order ``FastAPI`` happened to register them.
+
+This test is the **CI guard** that locks in the invariant going forward.
+It does NOT delete any existing duplicates — those are tolerated via an
+explicit baseline file. What it DOES block is *new* duplicates appearing
+later, which is what the audit was actually asking for: a way to stop
+the drift before it gets worse.
+
+Findings (empirically verified, see PR #286 description):
+
+- ``main.app`` calls ``include_router(...)`` for every router at module
+  import time around line 3316.
+- Every ``@app.get/post/put/...`` decorator inside ``main.py`` runs
+  *after* those include_router calls, so the router handler is the one
+  that actually serves requests. The duplicates in ``main.py`` are
+  dead code at the route-resolution layer.
+- Behavior today is deterministic (router wins), but if someone later
+  adds a NEW route only in ``main.py``, or edits one copy of an
+  existing pair without the other, drift starts.
+
+How this test works:
+
+- Walks ``main.app.routes`` and records every ``(method, path)`` that
+  appears more than once, along with which modules registered each
+  copy.
+- Compares that set against the baseline in
+  ``backend/tests/data/duplicate_routes_baseline.json``.
+- **Fails** if any duplicate appears that is NOT in the baseline
+  (or if the registering modules for an existing duplicate change).
+- **Stays green** when duplicates are *removed* by genuinely deduping
+  the code. (The baseline is a ceiling, not a floor.)
+
+To extend in the future:
+
+- If you actually dedupe a route, leave the baseline alone — the test
+  still passes. Subsequent regenerations of the baseline (``python -m
+  scripts.regen_duplicate_routes_baseline`` or the snippet in this
+  test's docstring) will shrink it.
+- If you legitimately need a new duplicate (you probably do not), add
+  it to the baseline AND explain why in the PR description so reviewers
+  can push back.
+"""
+from __future__ import annotations
+
+import json
+from collections import defaultdict
+from pathlib import Path
+
+import pytest
+
+
+BASELINE_PATH = (
+    Path(__file__).parent / "data" / "duplicate_routes_baseline.json"
+)
+
+
+def _current_duplicates() -> dict[str, list[str]]:
+    """Walk ``main.app.routes`` and return ``{'METHOD /path': [module, ...]}``
+    for every (method, path) registered more than once."""
+    import main
+
+    by_key: dict[str, list[str]] = defaultdict(list)
+    for route in main.app.routes:
+        path = getattr(route, "path", None)
+        methods = getattr(route, "methods", None)
+        endpoint = getattr(route, "endpoint", None)
+        if not path or not methods or endpoint is None:
+            continue
+        for method in methods:
+            if method in ("HEAD", "OPTIONS"):
+                continue
+            by_key[f"{method} {path}"].append(endpoint.__module__)
+
+    return {
+        key: sorted(modules) for key, modules in by_key.items() if len(modules) > 1
+    }
+
+
+def _load_baseline() -> dict[str, list[str]]:
+    if not BASELINE_PATH.exists():
+        return {}
+    raw = json.loads(BASELINE_PATH.read_text(encoding="utf-8"))
+    dups = raw.get("duplicates", {})
+    if not isinstance(dups, dict):
+        return {}
+    return {k: sorted(v) for k, v in dups.items()}
+
+
+def test_no_new_duplicate_route_registrations():
+    """Block any (method, path) duplicate not already in the baseline.
+
+    This is the primary CI guard: PRs that add a NEW shadowed
+    ``@app.get`` while a router module already serves the same route
+    fail here with an actionable message.
+    """
+    current = _current_duplicates()
+    baseline = _load_baseline()
+
+    new_or_changed = []
+    for key, modules in sorted(current.items()):
+        if key not in baseline:
+            new_or_changed.append(
+                f"  + {key}  (NEW duplicate; registered in: {modules})"
+            )
+            continue
+        if modules != baseline[key]:
+            new_or_changed.append(
+                f"  ~ {key}  "
+                f"(modules changed: was {baseline[key]}, now {modules})"
+            )
+
+    if new_or_changed:
+        pytest.fail(
+            "Issue #239 CI guard: detected duplicate route registrations "
+            "that are NOT in the tolerated baseline.\n"
+            "\n"
+            "If you added a new @app.get/post/... in main.py for a path "
+            "that a router module already serves, please move the handler "
+            "into the router and delete the main.py copy — the router "
+            "version wins on request routing anyway, so the main.py copy "
+            "is dead code that just creates drift risk.\n"
+            "\n"
+            "Offending entries:\n"
+            + "\n".join(new_or_changed)
+            + "\n\n"
+            "Baseline lives at "
+            f"{BASELINE_PATH.relative_to(BASELINE_PATH.parent.parent.parent)}."
+        )
+
+
+def test_baseline_only_lists_real_duplicates():
+    """Catch baseline drift in the other direction: if an entry in the
+    baseline is no longer actually a duplicate (because someone deduped
+    it manually), the baseline is stale and should be shrunk so future
+    re-introductions of that duplicate get caught.
+
+    This test is informational — it does NOT fail the build today (the
+    audit's main concern is *new* duplicates, not stale baseline
+    entries). It prints a warning so the next baseline regeneration
+    can clean things up.
+    """
+    current = _current_duplicates()
+    baseline = _load_baseline()
+    stale = sorted(k for k in baseline if k not in current)
+    if stale:
+        # Use warnings instead of fail so this is friendly housekeeping,
+        # not a CI blocker. The other test catches the actual safety
+        # concern.
+        import warnings
+
+        warnings.warn(
+            f"duplicate_routes_baseline.json contains {len(stale)} entry/entries "
+            "no longer present in app.routes — consider regenerating the baseline. "
+            f"Stale: {stale[:5]}{'...' if len(stale) > 5 else ''}",
+            stacklevel=2,
+        )
+
+
+def test_router_handler_is_the_one_that_serves():
+    """Pin the empirical claim from PR #286: for every duplicated
+    (method, path), the FIRST-registered handler is in a router
+    module, not in main.py. If this ever flips — e.g. someone moves
+    include_router calls to the bottom of main.py — duplicate routes
+    start silently changing which handler runs. This catches that
+    rearrangement immediately.
+    """
+    import main
+
+    first_seen: dict[str, str] = {}
+    for route in main.app.routes:
+        path = getattr(route, "path", None)
+        methods = getattr(route, "methods", None)
+        endpoint = getattr(route, "endpoint", None)
+        if not path or not methods or endpoint is None:
+            continue
+        for method in methods:
+            if method in ("HEAD", "OPTIONS"):
+                continue
+            key = f"{method} {path}"
+            if key not in first_seen:
+                first_seen[key] = endpoint.__module__
+
+    main_winning = sorted(
+        k for k, mod in first_seen.items() if mod == "main"
+    )
+    # The duplicates we tolerate are router-first. If main is the first
+    # registered for any duplicated path, the router copy gets shadowed
+    # instead, which would invalidate every assumption made in audit
+    # rounds 5 and 6 about "the router version is canonical."
+    baseline = _load_baseline()
+    main_first_in_baseline = [k for k in main_winning if k in baseline]
+    if main_first_in_baseline:
+        pytest.fail(
+            "Issue #239 invariant broken: for at least one duplicated "
+            "(method, path), main.py is now registered FIRST and is "
+            "serving requests instead of the router copy. Audit rounds "
+            "5 and 6 assumed the router handler wins.\n"
+            "\n"
+            "Affected entries:\n"
+            + "\n".join(f"  {k}" for k in main_first_in_baseline)
+            + "\n\n"
+            "Most likely cause: someone moved app.include_router(...) "
+            "calls in main.py to after the @app.get decorators. Move "
+            "them back to before the @app routes (currently around "
+            "line 3316)."
+        )

backend/tests/test_oracle_resolve_auth_gate.py

@@ -0,0 +1,160 @@
+"""Issues #240 & #241 (tg12): oracle market/stake resolution endpoints
+must require admin authentication.
+
+Before the fix, ``POST /api/mesh/oracle/resolve`` and
+``POST /api/mesh/oracle/resolve-stakes`` were decorated with
+``@mesh_write_exempt(MeshWriteExemption.ADMIN_CONTROL)``. That decorator
+only tags the route as not requiring a mesh signed-write envelope; it
+does NOT enforce authorization. The rate limiter (5/minute) was the
+only real gate, which is wrong for control-plane state mutations.
+
+The fix adds ``dependencies=[Depends(require_admin)]`` to both routes.
+These tests prove:
+
+- Anonymous callers receive 403.
+- A request bearing the configured admin key passes the auth gate.
+- The underlying ledger mutator is not invoked on a 403.
+"""
+from __future__ import annotations
+
+from unittest.mock import patch, MagicMock
+
+import pytest
+from fastapi.testclient import TestClient
+
+
+_ADMIN_KEY = "test-admin-key-for-oracle-resolve-fixture-32+"
+
+
+@pytest.fixture
+def client():
+    """TestClient with the private-lane transport middleware short-circuited.
+
+    The ``enforce_high_privacy_mesh`` middleware in ``main.py`` returns
+    HTTP 202 ("preparing private lane") for ``/api/mesh/*`` requests
+    when the Wormhole supervisor is not yet at the required transport
+    tier. In tests that's always — Wormhole is not running. Patching
+    ``_minimum_transport_tier`` to return None disables the tier check
+    for the duration of the test, letting the request reach the route
+    (and therefore reach the ``Depends(require_admin)`` we are testing).
+    """
+    import main
+    with patch("main._minimum_transport_tier", return_value=None):
+        yield TestClient(main.app, raise_server_exceptions=False)
+
+
+@pytest.fixture
+def mock_ledger():
+    """Replace oracle_ledger methods so tests don't mutate persistent state.
+
+    The handler does ``from services.mesh.mesh_oracle import oracle_ledger``
+    at call time, so we patch the module attribute.
+    """
+    fake = MagicMock()
+    fake.resolve_market.return_value = (0, 0)
+    fake.resolve_market_stakes.return_value = {"winners": 0, "losers": 0}
+    fake.resolve_expired_stakes.return_value = []
+    with patch("services.mesh.mesh_oracle.oracle_ledger", fake):
+        yield fake
+
+
+# ---------------------------------------------------------------------------
+# /api/mesh/oracle/resolve — issue #240
+# ---------------------------------------------------------------------------
+
+
+class TestOracleResolveAuthGate:
+    def test_anonymous_caller_is_rejected(self, client, mock_ledger):
+        with patch("auth._current_admin_key", return_value=_ADMIN_KEY):
+            r = client.post(
+                "/api/mesh/oracle/resolve",
+                json={"market_title": "test-market", "outcome": "Yes"},
+            )
+        assert r.status_code == 403
+        # Critically: the ledger mutator must NOT have been called on a 403.
+        assert mock_ledger.resolve_market.call_count == 0
+        assert mock_ledger.resolve_market_stakes.call_count == 0
+
+    def test_wrong_admin_key_rejected(self, client, mock_ledger):
+        with patch("auth._current_admin_key", return_value=_ADMIN_KEY):
+            r = client.post(
+                "/api/mesh/oracle/resolve",
+                headers={"X-Admin-Key": "this-key-is-wrong"},
+                json={"market_title": "test-market", "outcome": "Yes"},
+            )
+        assert r.status_code == 403
+        assert mock_ledger.resolve_market.call_count == 0
+
+    def test_valid_admin_key_passes_auth_gate(self, client, mock_ledger):
+        with patch("auth._current_admin_key", return_value=_ADMIN_KEY):
+            r = client.post(
+                "/api/mesh/oracle/resolve",
+                headers={"X-Admin-Key": _ADMIN_KEY},
+                json={"market_title": "test-market", "outcome": "Yes"},
+            )
+        # The auth gate let us through. The handler ran and called the
+        # (mocked) ledger.
+        assert r.status_code == 200
+        assert mock_ledger.resolve_market.call_count == 1
+        assert mock_ledger.resolve_market.call_args[0] == ("test-market", "Yes")
+
+    def test_admin_key_unset_blocks_in_production_posture(self, client, mock_ledger):
+        """When ADMIN_KEY env is not configured at all and we're not in
+        debug, the endpoint must still refuse — never silently accept."""
+        with (
+            patch("auth._current_admin_key", return_value=""),
+            patch("auth._allow_insecure_admin", return_value=False),
+            patch("auth._debug_mode_enabled", return_value=False),
+            patch("auth._scoped_admin_tokens", return_value={}),
+        ):
+            r = client.post(
+                "/api/mesh/oracle/resolve",
+                json={"market_title": "test-market", "outcome": "Yes"},
+            )
+        assert r.status_code == 403
+        assert mock_ledger.resolve_market.call_count == 0
+
+
+# ---------------------------------------------------------------------------
+# /api/mesh/oracle/resolve-stakes — issue #241
+# ---------------------------------------------------------------------------
+
+
+class TestOracleResolveStakesAuthGate:
+    def test_anonymous_caller_is_rejected(self, client, mock_ledger):
+        with patch("auth._current_admin_key", return_value=_ADMIN_KEY):
+            r = client.post("/api/mesh/oracle/resolve-stakes")
+        assert r.status_code == 403
+        assert mock_ledger.resolve_expired_stakes.call_count == 0
+
+    def test_wrong_admin_key_rejected(self, client, mock_ledger):
+        with patch("auth._current_admin_key", return_value=_ADMIN_KEY):
+            r = client.post(
+                "/api/mesh/oracle/resolve-stakes",
+                headers={"X-Admin-Key": "nope"},
+            )
+        assert r.status_code == 403
+        assert mock_ledger.resolve_expired_stakes.call_count == 0
+
+    def test_valid_admin_key_passes_auth_gate(self, client, mock_ledger):
+        with patch("auth._current_admin_key", return_value=_ADMIN_KEY):
+            r = client.post(
+                "/api/mesh/oracle/resolve-stakes",
+                headers={"X-Admin-Key": _ADMIN_KEY},
+            )
+        assert r.status_code == 200
+        assert mock_ledger.resolve_expired_stakes.call_count == 1
+        body = r.json()
+        assert body["ok"] is True
+        assert body["count"] == 0
+
+    def test_admin_key_unset_blocks_in_production_posture(self, client, mock_ledger):
+        with (
+            patch("auth._current_admin_key", return_value=""),
+            patch("auth._allow_insecure_admin", return_value=False),
+            patch("auth._debug_mode_enabled", return_value=False),
+            patch("auth._scoped_admin_tokens", return_value={}),
+        ):
+            r = client.post("/api/mesh/oracle/resolve-stakes")
+        assert r.status_code == 403
+        assert mock_ledger.resolve_expired_stakes.call_count == 0

backend/tests/test_per_operator_outbound_attribution.py

@@ -0,0 +1,277 @@
+"""Round 7a: per-install operator handle threads through every outbound
+third-party API call.
+
+Background: before this change every Shadowbroker install identified
+itself to Wikipedia, Wikidata, Nominatim, GDELT, OpenMHz, Broadcastify,
+weather.gov, NUFORC, etc. with a single project-wide ``Shadowbroker``
+User-Agent. From the upstream's perspective, every install in the world
+looked like one giant scraper. If one install misbehaved, the upstream's
+only recourse was to block ``Shadowbroker`` as a whole, taking out every
+other install.
+
+Fix: each install gets a stable pseudonymous handle (auto-generated like
+``shadow-7f3a92`` or operator-overridden via ``OPERATOR_HANDLE``) that
+gets embedded in the User-Agent for every outbound call. Upstreams can
+now rate-limit / contact the specific operator instead of the project.
+
+These tests pin:
+
+  1. The handle is auto-generated on first call if no override exists.
+  2. The handle survives process restart (persisted to disk).
+  3. ``OPERATOR_HANDLE`` env var override wins over the auto-gen handle.
+  4. The handle is sanitized (whitespace, special chars, length).
+  5. Every previously-MONSTER-UA call site now sends the per-operator UA.
+"""
+from __future__ import annotations
+
+import json
+import os
+from pathlib import Path
+from unittest.mock import patch
+
+import pytest
+
+
+@pytest.fixture
+def isolated_handle(tmp_path, monkeypatch):
+    """Redirect the persistence path to tmp and reset caches between tests."""
+    from services import network_utils
+
+    handle_file = tmp_path / "operator_handle.json"
+    monkeypatch.setattr(network_utils, "_OPERATOR_HANDLE_FILE", handle_file)
+    network_utils._reset_operator_handle_cache_for_tests()
+    monkeypatch.delenv("OPERATOR_HANDLE", raising=False)
+
+    # Reset Settings cache so OPERATOR_HANDLE env changes are picked up.
+    from services.config import get_settings
+    get_settings.cache_clear()
+
+    yield network_utils
+
+    network_utils._reset_operator_handle_cache_for_tests()
+    get_settings.cache_clear()
+
+
+# ---------------------------------------------------------------------------
+# Core handle generation / persistence / override
+# ---------------------------------------------------------------------------
+
+
+class TestOperatorHandleGeneration:
+    def test_auto_generates_on_first_call(self, isolated_handle):
+        h = isolated_handle.get_operator_handle()
+        # Prefix is "operator-" (deliberately neutral; "shadow-" looked
+        # exactly like a pattern abuse-detection systems would auto-block).
+        assert h.startswith("operator-")
+        assert len(h) == len("operator-") + 6
+        # Hex suffix.
+        suffix = h.split("-", 1)[1]
+        int(suffix, 16)  # raises if not hex
+
+    def test_persists_to_disk_so_handle_survives_restart(self, isolated_handle):
+        first = isolated_handle.get_operator_handle()
+        # Simulate process restart: clear in-memory cache, then ask again.
+        isolated_handle._reset_operator_handle_cache_for_tests()
+        second = isolated_handle.get_operator_handle()
+        assert second == first
+        # The file actually exists.
+        assert isolated_handle._OPERATOR_HANDLE_FILE.exists()
+        body = json.loads(isolated_handle._OPERATOR_HANDLE_FILE.read_text())
+        assert body["handle"] == first
+
+    def test_env_override_wins_over_auto_generated(self, isolated_handle, monkeypatch):
+        # First call without env var auto-generates.
+        auto = isolated_handle.get_operator_handle()
+        assert auto.startswith("operator-")
+        # Setting env var changes the resolved handle without touching the disk file.
+        monkeypatch.setenv("OPERATOR_HANDLE", "alice")
+        from services.config import get_settings
+        get_settings.cache_clear()
+        isolated_handle._reset_operator_handle_cache_for_tests()
+        assert isolated_handle.get_operator_handle() == "alice"
+
+    def test_handle_is_sanitized(self, isolated_handle, monkeypatch):
+        from services.config import get_settings
+
+        # Sanitization tests run against the normalizer directly so the
+        # empty-string case can be asserted independently of the env-var
+        # resolution path (where empty means "use auto-gen", not "use
+        # 'anonymous'").
+        from services.network_utils import _normalize_handle
+
+        cases = [
+            ("Alice Smith", "alice-smith"),
+            ("user@example.com", "user-example-com"),
+            ("  whitespace  ", "whitespace"),
+            ("UPPER-CASE", "upper-case"),
+            ("multiple---dashes", "multiple-dashes"),
+            ("/leading/slash", "leading-slash"),
+            ("trailing-", "trailing"),
+            ("", "anonymous"),
+        ]
+        for raw, expected in cases:
+            got = _normalize_handle(raw)
+            assert got == expected, f"{raw!r} -> {got!r}, expected {expected!r}"
+            assert got == got.lower()
+            for ch in got:
+                assert ch.isalnum() or ch in "-_", f"unsafe char {ch!r} in {got!r}"
+            assert "--" not in got
+
+    def test_handle_is_length_capped(self, isolated_handle, monkeypatch):
+        from services.config import get_settings
+
+        monkeypatch.setenv("OPERATOR_HANDLE", "x" * 1000)
+        get_settings.cache_clear()
+        isolated_handle._reset_operator_handle_cache_for_tests()
+        got = isolated_handle.get_operator_handle()
+        assert len(got) <= 48
+
+
+# ---------------------------------------------------------------------------
+# outbound_user_agent() builds the right header
+# ---------------------------------------------------------------------------
+
+
+class TestOutboundUserAgentString:
+    def test_includes_operator_handle(self, isolated_handle):
+        ua = isolated_handle.outbound_user_agent()
+        handle = isolated_handle.get_operator_handle()
+        assert f"operator: {handle}" in ua
+
+    def test_includes_purpose_when_provided(self, isolated_handle):
+        ua = isolated_handle.outbound_user_agent("wikipedia")
+        assert "purpose: wikipedia" in ua
+
+    def test_includes_contact_path(self, isolated_handle):
+        ua = isolated_handle.outbound_user_agent()
+        assert "github.com" in ua.lower()
+        assert "shadowbroker" in ua.lower()
+
+    def test_version_prefix(self, isolated_handle):
+        ua = isolated_handle.outbound_user_agent()
+        assert ua.startswith("Shadowbroker/")
+
+
+# ---------------------------------------------------------------------------
+# Wikipedia / Wikidata — retroactive fix for PR #284's MONSTER pattern
+# ---------------------------------------------------------------------------
+
+
+class TestWikimediaCallsAreNowPerOperator:
+    def test_wikidata_call_uses_per_operator_ua(self, isolated_handle, monkeypatch):
+        from services import region_dossier
+
+        captured = []
+
+        class _FakeResp:
+            status_code = 200
+            def json(self):
+                return {"results": {"bindings": []}}
+
+        def fake_fetch(url, **kwargs):
+            captured.append(kwargs.get("headers") or {})
+            return _FakeResp()
+
+        monkeypatch.setattr(region_dossier, "fetch_with_curl", fake_fetch)
+        region_dossier._fetch_wikidata_leader("Testlandia")
+
+        assert captured, "Wikidata fetcher was not called"
+        headers = captured[0]
+        assert "User-Agent" in headers
+        assert "Api-User-Agent" in headers
+        handle = isolated_handle.get_operator_handle()
+        for header_value in (headers["User-Agent"], headers["Api-User-Agent"]):
+            assert f"operator: {handle}" in header_value, (
+                f"Wikimedia UA must include the per-operator handle; got {header_value!r}"
+            )
+
+    def test_wikipedia_summary_uses_per_operator_ua(self, isolated_handle, monkeypatch):
+        from services import region_dossier
+
+        captured = []
+
+        class _FakeResp:
+            status_code = 200
+            def json(self):
+                return {
+                    "type": "standard",
+                    "description": "x",
+                    "extract": "y",
+                    "thumbnail": {"source": ""},
+                }
+
+        def fake_fetch(url, **kwargs):
+            captured.append((url, kwargs.get("headers") or {}))
+            return _FakeResp()
+
+        monkeypatch.setattr(region_dossier, "fetch_with_curl", fake_fetch)
+        region_dossier._fetch_local_wiki_summary("Paris", "France")
+
+        wikipedia_hits = [c for c in captured if "wikipedia.org" in c[0]]
+        assert wikipedia_hits, "Wikipedia summary fetch was not called"
+        for _url, headers in wikipedia_hits:
+            handle = isolated_handle.get_operator_handle()
+            assert f"operator: {handle}" in headers.get("User-Agent", "")
+
+
+# ---------------------------------------------------------------------------
+# Generic round-7a regression guard
+# ---------------------------------------------------------------------------
+
+
+class TestNoMonsterUserAgentRemains:
+    """The audit's underlying concern was that every Shadowbroker install
+    looked like one entity. This test scans the codebase for the OLD
+    aggregate identifier patterns and fails if a new one sneaks back in.
+
+    We allow the strings to appear in:
+      - comments (audit prose, change-log notes)
+      - tests
+      - .env.example (documentation)
+    The test only fails if the string lives in actual outbound-request
+    HEADER values without going through the per-operator helper.
+    """
+
+    BANNED_LITERALS = (
+        "ShadowBroker-OSINT/1.0",
+        "ShadowBroker-OSINT/0.9",
+        "ShadowBroker-FeedIngester/1.0",
+        "ShadowBroker/0.9.79 local Shodan connector",
+        "ShadowBroker/0.9.79 Finnhub connector",
+        "Mozilla/5.0 (compatible; ShadowBroker CCTV proxy)",
+    )
+
+    def test_no_banned_aggregate_user_agent_strings(self):
+        from pathlib import Path
+
+        backend_root = Path(__file__).parent.parent
+        offenders = []
+        for py in backend_root.rglob("*.py"):
+            # Skip test files and any audit-context comments.
+            rel = py.relative_to(backend_root).as_posix()
+            if rel.startswith("tests/"):
+                continue
+            text = py.read_text(encoding="utf-8", errors="ignore")
+            # Look only for the literal as part of a string in a User-Agent
+            # context: cheap heuristic via "User-Agent" + literal coexisting
+            # in the same file. A literal in a comment block won't trigger
+            # because the same line won't have User-Agent surrounding it.
+            for banned in self.BANNED_LITERALS:
+                if banned in text:
+                    # Walk lines to ensure it's a real header value.
+                    for i, line in enumerate(text.splitlines(), 1):
+                        if banned in line:
+                            # Comments / docstrings are allowed — only fail
+                            # if the line looks like a header assignment.
+                            stripped = line.strip()
+                            if stripped.startswith("#"):
+                                continue
+                            if '"User-Agent"' in line or "'User-Agent'" in line:
+                                offenders.append(f"{rel}:{i}: {stripped[:120]}")
+        assert not offenders, (
+            "Round 7a regression: the following lines reintroduced an "
+            "aggregate Shadowbroker User-Agent. Use "
+            "outbound_user_agent('purpose') instead so the per-install "
+            "operator handle is embedded.\n"
+            + "\n".join(offenders)
+        )

backend/tests/test_per_peer_secret_resolver.py

@@ -0,0 +1,366 @@
+"""Issue #256 (tg12): per-peer HMAC secrets must defeat cross-peer
+impersonation.
+
+Before the fix, ALL peer-push HMACs were derived from the single
+fleet-shared ``MESH_PEER_PUSH_SECRET``. The receiver could only prove
+"this request was signed by someone who knows the fleet secret" — not
+which peer signed it. Any peer that knew the secret could compute the
+expected HMAC for any other peer's URL and impersonate that peer.
+
+The fix introduces ``MESH_PEER_SECRETS``, a per-peer URL-to-secret map.
+When a peer URL appears there:
+
+- Only the listed per-peer secret is accepted for that URL.
+- The global ``MESH_PEER_PUSH_SECRET`` is ignored for that specific URL.
+- A peer that knows only the global secret (or a different peer's
+  per-peer secret) cannot forge a request claiming to be that peer.
+
+When a peer URL is NOT listed (the common case for single-peer installs
+and for migration windows), the resolver falls back to the global
+secret — preserving existing behavior with zero operator action.
+
+These tests exercise ``resolve_peer_key_for_url`` directly so we cover
+the security contract without spinning up a full mesh node.
+"""
+from __future__ import annotations
+
+import hashlib
+import hmac
+
+import pytest
+
+
+# ---------------------------------------------------------------------------
+# _lookup_per_peer_secret — env parsing
+# ---------------------------------------------------------------------------
+
+
+class TestLookupPerPeerSecret:
+    def setup_method(self):
+        # Invalidate the parser cache so each test sees its own env state.
+        from services.mesh import mesh_crypto
+
+        mesh_crypto._PEER_SECRETS_CACHE = {}
+        mesh_crypto._PEER_SECRETS_CACHE_RAW = ""
+
+    def test_returns_empty_when_env_unset(self, monkeypatch):
+        from services.mesh.mesh_crypto import _lookup_per_peer_secret
+
+        monkeypatch.delenv("MESH_PEER_SECRETS", raising=False)
+        assert _lookup_per_peer_secret("https://peer.example") == ""
+
+    def test_returns_empty_when_env_blank(self, monkeypatch):
+        from services.mesh.mesh_crypto import _lookup_per_peer_secret
+
+        monkeypatch.setenv("MESH_PEER_SECRETS", "")
+        assert _lookup_per_peer_secret("https://peer.example") == ""
+
+    def test_returns_per_peer_secret_for_listed_url(self, monkeypatch):
+        from services.mesh.mesh_crypto import _lookup_per_peer_secret
+
+        monkeypatch.setenv(
+            "MESH_PEER_SECRETS",
+            "https://peer-a.example=secretA,https://peer-b.example=secretB",
+        )
+        assert _lookup_per_peer_secret("https://peer-a.example") == "secretA"
+        assert _lookup_per_peer_secret("https://peer-b.example") == "secretB"
+
+    def test_returns_empty_for_url_not_listed(self, monkeypatch):
+        from services.mesh.mesh_crypto import _lookup_per_peer_secret
+
+        monkeypatch.setenv(
+            "MESH_PEER_SECRETS",
+            "https://peer-a.example=secretA",
+        )
+        assert _lookup_per_peer_secret("https://other.example") == ""
+
+    def test_url_is_normalized_before_lookup(self, monkeypatch):
+        from services.mesh.mesh_crypto import _lookup_per_peer_secret
+
+        # Configure with a trailing slash + uppercase host. Lookup with
+        # plain lowercase host. Both should normalize to the same key.
+        monkeypatch.setenv(
+            "MESH_PEER_SECRETS",
+            "https://Peer-A.Example/=secretA",
+        )
+        assert _lookup_per_peer_secret("https://peer-a.example") == "secretA"
+
+    def test_whitespace_around_entries_is_stripped(self, monkeypatch):
+        from services.mesh.mesh_crypto import _lookup_per_peer_secret
+
+        monkeypatch.setenv(
+            "MESH_PEER_SECRETS",
+            "  https://peer-a.example = secretA , https://peer-b.example=secretB  ",
+        )
+        assert _lookup_per_peer_secret("https://peer-a.example") == "secretA"
+        assert _lookup_per_peer_secret("https://peer-b.example") == "secretB"
+
+    def test_malformed_entries_are_skipped_not_raised(self, monkeypatch):
+        """A garbled MESH_PEER_SECRETS value must NOT crash the resolver.
+        Bad entries are silently dropped; well-formed entries still work.
+        This is the "fail-forward, not loud" rule — a typo in operator
+        config should not take the whole backend down."""
+        from services.mesh.mesh_crypto import _lookup_per_peer_secret
+
+        monkeypatch.setenv(
+            "MESH_PEER_SECRETS",
+            "no_equals_sign,=missing_url,https://no.secret=,https://good.example=secretGood",
+        )
+        assert _lookup_per_peer_secret("https://good.example") == "secretGood"
+        # The malformed ones produce no entry (and don't poison the cache).
+        assert _lookup_per_peer_secret("https://no.secret") == ""
+
+    def test_cache_invalidates_on_env_change(self, monkeypatch):
+        """A test (or operator) updating MESH_PEER_SECRETS must see the
+        new value immediately — no process restart required."""
+        from services.mesh.mesh_crypto import _lookup_per_peer_secret
+
+        monkeypatch.setenv("MESH_PEER_SECRETS", "https://a.example=first")
+        assert _lookup_per_peer_secret("https://a.example") == "first"
+        monkeypatch.setenv("MESH_PEER_SECRETS", "https://a.example=second")
+        assert _lookup_per_peer_secret("https://a.example") == "second"
+
+
+# ---------------------------------------------------------------------------
+# resolve_peer_key_for_url — precedence + fallback
+# ---------------------------------------------------------------------------
+
+
+class TestResolvePeerKeyForUrl:
+    def setup_method(self):
+        from services.mesh import mesh_crypto
+
+        mesh_crypto._PEER_SECRETS_CACHE = {}
+        mesh_crypto._PEER_SECRETS_CACHE_RAW = ""
+
+    def _fake_settings(self, global_secret: str):
+        from unittest.mock import MagicMock
+
+        s = MagicMock()
+        s.MESH_PEER_PUSH_SECRET = global_secret
+        return s
+
+    def test_falls_back_to_global_when_no_per_peer_entry(self, monkeypatch):
+        """Single-peer installs: MESH_PEER_SECRETS empty, MESH_PEER_PUSH_SECRET
+        set — must keep working as before."""
+        from services.mesh.mesh_crypto import (
+            resolve_peer_key_for_url,
+            _derive_peer_key,
+        )
+
+        monkeypatch.delenv("MESH_PEER_SECRETS", raising=False)
+        with monkeypatch.context() as m:
+            m.setattr(
+                "services.config.get_settings",
+                lambda: self._fake_settings("global-secret"),
+            )
+            key = resolve_peer_key_for_url("https://peer.example")
+            expected = _derive_peer_key("global-secret", "https://peer.example")
+        assert key == expected
+        assert len(key) == 32  # SHA-256 output
+
+    def test_per_peer_secret_takes_precedence_over_global(self, monkeypatch):
+        from services.mesh.mesh_crypto import (
+            resolve_peer_key_for_url,
+            _derive_peer_key,
+        )
+
+        monkeypatch.setenv(
+            "MESH_PEER_SECRETS",
+            "https://peer-a.example=per-peer-a-secret",
+        )
+        with monkeypatch.context() as m:
+            m.setattr(
+                "services.config.get_settings",
+                lambda: self._fake_settings("global-secret"),
+            )
+            key = resolve_peer_key_for_url("https://peer-a.example")
+            expected_per_peer = _derive_peer_key(
+                "per-peer-a-secret", "https://peer-a.example"
+            )
+            expected_global = _derive_peer_key("global-secret", "https://peer-a.example")
+        assert key == expected_per_peer
+        assert key != expected_global
+
+    def test_unlisted_peer_uses_global_during_migration(self, monkeypatch):
+        """Partial migration: peer A is in MESH_PEER_SECRETS, peer B is
+        not yet. Peer B must keep working under the global secret."""
+        from services.mesh.mesh_crypto import (
+            resolve_peer_key_for_url,
+            _derive_peer_key,
+        )
+
+        monkeypatch.setenv(
+            "MESH_PEER_SECRETS",
+            "https://peer-a.example=per-peer-a-secret",
+        )
+        with monkeypatch.context() as m:
+            m.setattr(
+                "services.config.get_settings",
+                lambda: self._fake_settings("global-secret"),
+            )
+            key_a = resolve_peer_key_for_url("https://peer-a.example")
+            key_b = resolve_peer_key_for_url("https://peer-b.example")
+            expected_b = _derive_peer_key("global-secret", "https://peer-b.example")
+        assert key_b == expected_b
+        # Peer A's per-peer key must differ from peer B's global key
+        # (they're keyed by different secrets and different URLs).
+        assert key_a != key_b
+
+    def test_returns_empty_when_no_secret_available(self, monkeypatch):
+        from services.mesh.mesh_crypto import resolve_peer_key_for_url
+
+        monkeypatch.delenv("MESH_PEER_SECRETS", raising=False)
+        with monkeypatch.context() as m:
+            m.setattr(
+                "services.config.get_settings",
+                lambda: self._fake_settings(""),
+            )
+            key = resolve_peer_key_for_url("https://peer.example")
+        assert key == b""
+
+    def test_returns_empty_when_url_is_unparseable(self, monkeypatch):
+        from services.mesh.mesh_crypto import resolve_peer_key_for_url
+
+        with monkeypatch.context() as m:
+            m.setattr(
+                "services.config.get_settings",
+                lambda: self._fake_settings("global-secret"),
+            )
+            assert resolve_peer_key_for_url("") == b""
+            assert resolve_peer_key_for_url("not-a-url") == b""
+            assert resolve_peer_key_for_url(None) == b""
+
+
+# ---------------------------------------------------------------------------
+# The actual #256 attack: peer A cannot impersonate peer B
+# ---------------------------------------------------------------------------
+
+
+class TestCrossPeerImpersonationRefused:
+    """The core regression: when MESH_PEER_SECRETS is configured, a peer
+    that knows ONLY the global secret (or a different peer's per-peer
+    secret) cannot produce a valid HMAC for another peer's URL."""
+
+    def setup_method(self):
+        from services.mesh import mesh_crypto
+
+        mesh_crypto._PEER_SECRETS_CACHE = {}
+        mesh_crypto._PEER_SECRETS_CACHE_RAW = ""
+
+    def _hmac(self, key: bytes, body: bytes) -> str:
+        return hmac.new(key, body, hashlib.sha256).hexdigest()
+
+    def test_peer_a_global_secret_cannot_forge_peer_b_hmac(self, monkeypatch):
+        from services.mesh.mesh_crypto import (
+            resolve_peer_key_for_url,
+            _derive_peer_key,
+        )
+        from unittest.mock import MagicMock
+
+        # Receiver has BOTH the global secret AND a per-peer secret for B.
+        monkeypatch.setenv(
+            "MESH_PEER_SECRETS",
+            "https://peer-b.example=per-peer-b-secret",
+        )
+        settings = MagicMock()
+        settings.MESH_PEER_PUSH_SECRET = "global-secret"
+        monkeypatch.setattr(
+            "services.config.get_settings", lambda: settings
+        )
+
+        body = b'{"events": [{"id": 1}]}'
+
+        # Attacker (peer A) knows only the global secret. Tries to forge
+        # an HMAC claiming to be peer B.
+        attacker_key = _derive_peer_key("global-secret", "https://peer-b.example")
+        attacker_hmac = self._hmac(attacker_key, body)
+
+        # Receiver derives B's expected key from B's per-peer secret.
+        receiver_key = resolve_peer_key_for_url("https://peer-b.example")
+        expected_hmac = self._hmac(receiver_key, body)
+
+        # The forgery MUST NOT match.
+        assert attacker_hmac != expected_hmac
+
+    def test_peer_a_per_peer_secret_cannot_forge_peer_b_hmac(self, monkeypatch):
+        """Even harder case: peer A has its OWN per-peer secret, but
+        still does not know peer B's per-peer secret, and so cannot
+        forge an HMAC for peer B."""
+        from services.mesh.mesh_crypto import (
+            resolve_peer_key_for_url,
+            _derive_peer_key,
+        )
+        from unittest.mock import MagicMock
+
+        monkeypatch.setenv(
+            "MESH_PEER_SECRETS",
+            "https://peer-a.example=secretA,https://peer-b.example=secretB",
+        )
+        settings = MagicMock()
+        settings.MESH_PEER_PUSH_SECRET = ""
+        monkeypatch.setattr(
+            "services.config.get_settings", lambda: settings
+        )
+
+        body = b'{"events": [{"id": 99}]}'
+
+        # Attacker A tries to forge for B using its own secret (secretA).
+        attacker_key = _derive_peer_key("secretA", "https://peer-b.example")
+        attacker_hmac = self._hmac(attacker_key, body)
+
+        receiver_key = resolve_peer_key_for_url("https://peer-b.example")
+        expected_hmac = self._hmac(receiver_key, body)
+
+        assert attacker_hmac != expected_hmac
+
+    def test_legitimate_peer_b_request_verifies(self, monkeypatch):
+        """Positive control: when peer B uses ITS per-peer secret and
+        claims to be itself, the receiver accepts the HMAC."""
+        from services.mesh.mesh_crypto import resolve_peer_key_for_url
+        from unittest.mock import MagicMock
+
+        monkeypatch.setenv(
+            "MESH_PEER_SECRETS",
+            "https://peer-b.example=secretB",
+        )
+        settings = MagicMock()
+        settings.MESH_PEER_PUSH_SECRET = ""
+        monkeypatch.setattr(
+            "services.config.get_settings", lambda: settings
+        )
+
+        body = b'{"events": [{"id": 7}]}'
+
+        # Peer B and the receiver both call resolve_peer_key_for_url.
+        sender_key = resolve_peer_key_for_url("https://peer-b.example")
+        receiver_key = resolve_peer_key_for_url("https://peer-b.example")
+
+        sender_hmac = self._hmac(sender_key, body)
+        expected_hmac = self._hmac(receiver_key, body)
+
+        assert sender_hmac == expected_hmac
+
+    def test_single_peer_install_zero_behavior_change(self, monkeypatch):
+        """The "no UX hostility" guarantee: an install with the global
+        secret set and NO MESH_PEER_SECRETS entries must derive exactly
+        the same key as before this change."""
+        from services.mesh.mesh_crypto import (
+            resolve_peer_key_for_url,
+            _derive_peer_key,
+        )
+        from unittest.mock import MagicMock
+
+        monkeypatch.delenv("MESH_PEER_SECRETS", raising=False)
+        settings = MagicMock()
+        settings.MESH_PEER_PUSH_SECRET = "legacy-global-secret"
+        monkeypatch.setattr(
+            "services.config.get_settings", lambda: settings
+        )
+
+        # The legacy derivation that every prior call site used.
+        legacy_key = _derive_peer_key("legacy-global-secret", "https://peer.example")
+        # The new resolver, with no per-peer entries configured.
+        new_key = resolve_peer_key_for_url("https://peer.example")
+
+        assert new_key == legacy_key

backend/tests/test_region_dossier_wikimedia_ua.py

@@ -0,0 +1,101 @@
+"""Issues #218 / #219 (tg12): outbound Wikipedia + Wikidata calls must
+identify ShadowBroker via the Wikimedia-recommended User-Agent /
+Api-User-Agent headers.
+
+Before this fix, ``backend/services/region_dossier.py`` called
+``fetch_with_curl(url)`` with no explicit headers, falling back to the
+generic project default UA. That sent a too-anonymous identifier to
+Wikimedia. Per Wikimedia's policy
+(https://foundation.wikimedia.org/wiki/Policy:Wikimedia_Foundation_User-Agent_Policy)
+the API caller should send a stable, contactable identifier so Wikimedia
+operators can rate-limit or reach the project.
+
+This test does NOT make network calls. It patches ``fetch_with_curl``
+and asserts the headers that get passed through.
+"""
+from __future__ import annotations
+
+from unittest.mock import MagicMock, patch
+
+import pytest
+
+
+def _fake_resp(payload: dict, status: int = 200) -> MagicMock:
+    r = MagicMock()
+    r.status_code = status
+    r.json.return_value = payload
+    return r
+
+
+def test_wikidata_call_passes_wikimedia_request_headers():
+    from services import region_dossier
+
+    calls = []
+
+    def fake_fetch(url, **kwargs):
+        calls.append(kwargs.get("headers"))
+        return _fake_resp({"results": {"bindings": []}})
+
+    with patch.object(region_dossier, "fetch_with_curl", side_effect=fake_fetch):
+        region_dossier._fetch_wikidata_leader("Testlandia")
+
+    assert calls, "fetch_with_curl was not called"
+    headers = calls[0] or {}
+    assert "User-Agent" in headers
+    assert "Api-User-Agent" in headers
+    # Stable identifier should mention the project + a contact path.
+    assert "Shadowbroker" in headers["Api-User-Agent"] or "ShadowBroker" in headers["Api-User-Agent"]
+    assert "github.com" in headers["Api-User-Agent"].lower()
+
+
+def test_wikipedia_summary_call_passes_wikimedia_request_headers():
+    from services import region_dossier
+
+    calls = []
+
+    def fake_fetch(url, **kwargs):
+        calls.append((url, kwargs.get("headers")))
+        return _fake_resp(
+            {
+                "type": "standard",
+                "description": "test desc",
+                "extract": "test extract",
+                "thumbnail": {"source": ""},
+            }
+        )
+
+    with patch.object(region_dossier, "fetch_with_curl", side_effect=fake_fetch):
+        region_dossier._fetch_local_wiki_summary("Paris", "France")
+
+    # At least one Wikipedia REST call was issued.
+    wikipedia_calls = [c for c in calls if "wikipedia.org" in c[0]]
+    assert wikipedia_calls, "no Wikipedia call was issued"
+    for url, headers in wikipedia_calls:
+        headers = headers or {}
+        assert "User-Agent" in headers, f"missing User-Agent on {url}"
+        assert "Api-User-Agent" in headers, f"missing Api-User-Agent on {url}"
+        assert "github.com" in headers["Api-User-Agent"].lower()
+
+
+def test_wikimedia_headers_helper_is_stable():
+    """Regression guard: if someone removes the contact path or the
+    per-operator handle from the Wikimedia headers, we want a loud
+    test failure, not a silent ToS drift.
+
+    Round 7a: the original ``_WIKIMEDIA_REQUEST_HEADERS`` constant was
+    replaced with the ``_wikimedia_request_headers()`` function so the
+    per-install operator handle is embedded at call time. This test
+    pins both the project identifier AND the contact path AND the
+    per-operator format.
+    """
+    from services.region_dossier import _wikimedia_request_headers
+
+    headers = _wikimedia_request_headers()
+    aua = headers.get("Api-User-Agent", "")
+    ua = headers.get("User-Agent", "")
+    for h, label in ((ua, "User-Agent"), (aua, "Api-User-Agent")):
+        assert "Shadowbroker" in h or "ShadowBroker" in h, f"{label} missing project id"
+        assert "github.com" in h.lower(), f"{label} missing contact URL"
+        assert "issues" in h.lower(), f"{label} missing /issues contact path"
+        # Round 7a: must include the per-operator handle.
+        assert "operator:" in h, f"{label} missing per-operator handle: {h!r}"

backend/tests/test_round5_settings_info_disclosure.py

@@ -0,0 +1,263 @@
+"""Issues #243, #252, #253 (tg12): settings endpoints must not leak
+operational posture to unauthenticated callers.
+
+- **#243**: ``GET /api/settings/wormhole``, ``/api/settings/privacy-profile``,
+  and ``/api/settings/node`` were leaking transport choice, anonymous-mode
+  state, the named privacy profile, and node-participant state to any
+  unauthenticated caller. The fix tightens the redaction allowlists to
+  expose ONLY a bare "is this feature on?" boolean and gates node mode
+  behind authenticated reads.
+
+- **#252**: ``GET /api/settings/news-feeds`` returned the operator's full
+  curated feed inventory (names + URLs) to anyone. Now gated on
+  local-operator.
+
+- **#253**: ``GET /api/settings/timemachine`` returned whether archival
+  capture is enabled to anyone. Now gated on local-operator.
+
+Auth model: ``require_local_operator`` allows loopback (Tauri shell),
+the Docker bridge frontend container (via the hostname-bound trust from
+PR #278), and any caller that presents the configured admin key.
+Anonymous LAN or internet callers do NOT pass and either receive 403
+(news-feeds, timemachine) or a redacted minimum (wormhole / node).
+"""
+from __future__ import annotations
+
+from unittest.mock import patch, MagicMock
+
+import pytest
+from fastapi.testclient import TestClient
+
+
+_ADMIN_KEY = "test-admin-key-for-round5-fixture-32+chars"
+
+
+@pytest.fixture
+def client():
+    """TestClient with the private-lane transport middleware disabled.
+
+    Same shape as the oracle resolve fixture — the mesh privacy
+    middleware returns 202 for ``/api/settings/*`` under TestClient
+    because Wormhole is not actually running. Patching out the tier
+    requirement lets requests reach the route's auth gate.
+    """
+    import main
+    with patch("main._minimum_transport_tier", return_value=None):
+        yield TestClient(main.app, raise_server_exceptions=False)
+
+
+# ---------------------------------------------------------------------------
+# #243: Wormhole posture redaction
+# ---------------------------------------------------------------------------
+
+
+class TestWormholeSettingsRedaction:
+    """``GET /api/settings/wormhole`` must NOT leak transport choice or
+    anonymous-mode state to unauthenticated callers."""
+
+    def _read_settings_payload(self):
+        return {
+            "enabled": True,
+            "transport": "tor_arti",
+            "anonymous_mode": True,
+            "privacy_profile": "high",
+            "socks_proxy": "socks5h://127.0.0.1:9050",
+        }
+
+    def test_anonymous_caller_sees_only_enabled_bool(self, client):
+        with (
+            patch("main.read_wormhole_settings", return_value=self._read_settings_payload()),
+            patch("routers.wormhole.read_wormhole_settings", return_value=self._read_settings_payload()),
+            patch("services.wormhole_settings.read_wormhole_settings", return_value=self._read_settings_payload()),
+            patch("auth._current_admin_key", return_value=_ADMIN_KEY),
+        ):
+            r = client.get("/api/settings/wormhole")
+        assert r.status_code == 200
+        body = r.json()
+        # Only the bare "is Wormhole on?" boolean is exposed publicly.
+        assert "enabled" in body
+        assert body["enabled"] is True
+        # Posture fields the audit flagged must be absent.
+        assert "transport" not in body
+        assert "anonymous_mode" not in body
+        assert "privacy_profile" not in body
+        assert "socks_proxy" not in body
+
+    def test_authenticated_caller_sees_full_state(self, client):
+        with (
+            patch("main.read_wormhole_settings", return_value=self._read_settings_payload()),
+            patch("routers.wormhole.read_wormhole_settings", return_value=self._read_settings_payload()),
+            patch("services.wormhole_settings.read_wormhole_settings", return_value=self._read_settings_payload()),
+            patch("auth._current_admin_key", return_value=_ADMIN_KEY),
+        ):
+            r = client.get(
+                "/api/settings/wormhole",
+                headers={"X-Admin-Key": _ADMIN_KEY},
+            )
+        assert r.status_code == 200
+        body = r.json()
+        # All fields visible when authenticated.
+        assert body["enabled"] is True
+        assert body["transport"] == "tor_arti"
+        assert body["anonymous_mode"] is True
+        assert body["privacy_profile"] == "high"
+
+
+class TestPrivacyProfileRedaction:
+    """``GET /api/settings/privacy-profile`` must NOT leak the named
+    profile to unauthenticated callers (the profile name itself
+    discloses operator intent)."""
+
+    def _payload(self):
+        return {
+            "enabled": True,
+            "transport": "tor_arti",
+            "anonymous_mode": True,
+            "privacy_profile": "high",
+        }
+
+    def test_anonymous_caller_sees_only_wormhole_enabled_bool(self, client):
+        with (
+            patch("main.read_wormhole_settings", return_value=self._payload()),
+            patch("routers.wormhole.read_wormhole_settings", return_value=self._payload()),
+            patch("services.wormhole_settings.read_wormhole_settings", return_value=self._payload()),
+            patch("auth._current_admin_key", return_value=_ADMIN_KEY),
+        ):
+            r = client.get("/api/settings/privacy-profile")
+        assert r.status_code == 200
+        body = r.json()
+        assert "wormhole_enabled" in body
+        assert body["wormhole_enabled"] is True
+        # The named profile, transport, and anonymous mode must NOT
+        # leak to anonymous callers.
+        assert "profile" not in body or body.get("profile") is None
+        assert "transport" not in body
+        assert "anonymous_mode" not in body
+
+    def test_authenticated_caller_sees_named_profile_and_transport(self, client):
+        with (
+            patch("main.read_wormhole_settings", return_value=self._payload()),
+            patch("routers.wormhole.read_wormhole_settings", return_value=self._payload()),
+            patch("services.wormhole_settings.read_wormhole_settings", return_value=self._payload()),
+            patch("auth._current_admin_key", return_value=_ADMIN_KEY),
+        ):
+            r = client.get(
+                "/api/settings/privacy-profile",
+                headers={"X-Admin-Key": _ADMIN_KEY},
+            )
+        assert r.status_code == 200
+        body = r.json()
+        assert body["profile"] == "high"
+        assert body["wormhole_enabled"] is True
+        assert body["transport"] == "tor_arti"
+        assert body["anonymous_mode"] is True
+
+
+class TestNodeSettingsRedaction:
+    """``GET /api/settings/node`` must NOT disclose node_mode or
+    node_enabled to anonymous callers."""
+
+    def _node_data(self):
+        return {"some_node_field": "value"}
+
+    def test_anonymous_caller_sees_empty_stub(self, client):
+        with (
+            patch("services.node_settings.read_node_settings", return_value=self._node_data()),
+            patch("routers.admin._current_node_mode", return_value="participant"),
+            patch("routers.admin._participant_node_enabled", return_value=True),
+            patch("auth._current_admin_key", return_value=_ADMIN_KEY),
+        ):
+            r = client.get("/api/settings/node")
+        assert r.status_code == 200
+        body = r.json()
+        # No posture fields.
+        assert "node_mode" not in body
+        assert "node_enabled" not in body
+        assert "some_node_field" not in body
+
+    def test_authenticated_caller_sees_full_node_state(self, client):
+        with (
+            patch("services.node_settings.read_node_settings", return_value=self._node_data()),
+            patch("routers.admin._current_node_mode", return_value="participant"),
+            patch("routers.admin._participant_node_enabled", return_value=True),
+            patch("auth._current_admin_key", return_value=_ADMIN_KEY),
+        ):
+            r = client.get(
+                "/api/settings/node",
+                headers={"X-Admin-Key": _ADMIN_KEY},
+            )
+        assert r.status_code == 200
+        body = r.json()
+        assert body["node_mode"] == "participant"
+        assert body["node_enabled"] is True
+        assert body["some_node_field"] == "value"
+
+
+# ---------------------------------------------------------------------------
+# #252: news-feeds auth gate
+# ---------------------------------------------------------------------------
+
+
+class TestNewsFeedsAuthGate:
+    def _fake_feeds(self):
+        return [
+            {"name": "Custom Internal", "url": "https://internal.example/rss", "weight": 5},
+            {"name": "Default News", "url": "https://news.example/rss", "weight": 3},
+        ]
+
+    def test_anonymous_caller_rejected(self, client):
+        with (
+            patch("services.news_feed_config.get_feeds", return_value=self._fake_feeds()) as get_feeds,
+            patch("auth._current_admin_key", return_value=_ADMIN_KEY),
+        ):
+            r = client.get("/api/settings/news-feeds")
+        assert r.status_code == 403
+        # Critically: the underlying config read must NOT have been performed
+        # (else the response body could leak the count via response timing).
+        assert get_feeds.call_count == 0
+
+    def test_authenticated_caller_sees_full_feed_inventory(self, client):
+        with (
+            patch("services.news_feed_config.get_feeds", return_value=self._fake_feeds()),
+            patch("auth._current_admin_key", return_value=_ADMIN_KEY),
+        ):
+            r = client.get(
+                "/api/settings/news-feeds",
+                headers={"X-Admin-Key": _ADMIN_KEY},
+            )
+        assert r.status_code == 200
+        body = r.json()
+        assert len(body) == 2
+        assert body[0]["name"] == "Custom Internal"
+        assert body[0]["url"] == "https://internal.example/rss"
+
+
+# ---------------------------------------------------------------------------
+# #253: timemachine auth gate
+# ---------------------------------------------------------------------------
+
+
+class TestTimemachineAuthGate:
+    def test_anonymous_caller_rejected(self, client):
+        node_data = {"timemachine_enabled": True}
+        with (
+            patch("services.node_settings.read_node_settings", return_value=node_data),
+            patch("auth._current_admin_key", return_value=_ADMIN_KEY),
+        ):
+            r = client.get("/api/settings/timemachine")
+        assert r.status_code == 403
+
+    def test_authenticated_caller_sees_enabled_state(self, client):
+        node_data = {"timemachine_enabled": True}
+        with (
+            patch("services.node_settings.read_node_settings", return_value=node_data),
+            patch("auth._current_admin_key", return_value=_ADMIN_KEY),
+        ):
+            r = client.get(
+                "/api/settings/timemachine",
+                headers={"X-Admin-Key": _ADMIN_KEY},
+            )
+        assert r.status_code == 200
+        body = r.json()
+        assert body["enabled"] is True
+        assert "storage_warning" in body

docker-compose.yml

@@ -28,6 +28,15 @@ services:
       - MESH_RELAY_PEERS=${MESH_RELAY_PEERS:-}
       # Shared transport auth for operator peer push. Must be set to a unique secret per deployment.
       - MESH_PEER_PUSH_SECRET=${MESH_PEER_PUSH_SECRET:-}
+      # Issue #256: optional per-peer HMAC secrets. Comma-separated
+      # `url=secret` pairs (no spaces). When a peer URL appears here, only
+      # the listed per-peer secret is accepted for it — the global
+      # MESH_PEER_PUSH_SECRET above is ignored for that specific URL. This
+      # closes the cross-peer impersonation surface for multi-peer fleets.
+      # Single-peer installs leave this empty (default) for unchanged
+      # behavior. Both sides of a peering must agree on the per-peer
+      # secret for a given URL.
+      - MESH_PEER_SECRETS=${MESH_PEER_SECRETS:-}
       # Meshtastic MQTT is opt-in to avoid passive load on the public broker.
       # Set MESH_MQTT_ENABLED=true in .env only when this node should join live MQTT.
       - MESH_MQTT_ENABLED=${MESH_MQTT_ENABLED:-false}

frontend/src/__tests__/utils/wikimediaClient.test.ts

@@ -0,0 +1,238 @@
+/**
+ * Issues #218 / #219 / #220 (tg12 external audit) + Round 7a:
+ *
+ * Every browser-direct call to Wikipedia or Wikidata must send the
+ * `Api-User-Agent` header that Wikimedia's UA policy asks for, AND must
+ * embed the per-install operator handle so Wikimedia can rate-limit /
+ * contact the specific operator instead of treating "Shadowbroker" as
+ * one giant entity.
+ *
+ * These tests pin both requirements on the shared `lib/wikimediaClient`
+ * helper that WikiImage, NewsFeed, and useRegionDossier all route
+ * through. A future refactor that drops either the header OR the
+ * per-operator handle gets a loud test failure rather than a silent
+ * ToS / privacy regression.
+ */
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+import {
+  buildWikimediaUserAgent,
+  fetchWikipediaSummary,
+  fetchWikidataSparql,
+  _resetWikimediaClientCacheForTests,
+} from '@/lib/wikimediaClient';
+
+const originalFetch = globalThis.fetch;
+
+// Helper: stub fetch so calls to /api/settings/operator-handle return a
+// known handle, and everything else proxies to whatever the test set up.
+function withHandle(handle: string, otherFetch: typeof globalThis.fetch) {
+  return vi.fn(async (input: any, init?: RequestInit) => {
+    const url = String(input);
+    if (url.endsWith('/api/settings/operator-handle')) {
+      return new Response(JSON.stringify({ handle }), { status: 200 });
+    }
+    return otherFetch(input, init);
+  });
+}
+
+describe('lib/wikimediaClient', () => {
+  beforeEach(() => {
+    _resetWikimediaClientCacheForTests();
+  });
+
+  afterEach(() => {
+    globalThis.fetch = originalFetch;
+    vi.restoreAllMocks();
+  });
+
+  it('builds a stable per-operator Api-User-Agent with contact path', async () => {
+    globalThis.fetch = withHandle(
+      'operator-abc123',
+      vi.fn(async () => new Response('{}', { status: 200 })) as any,
+    ) as any;
+    const ua = await buildWikimediaUserAgent('wikipedia-summary');
+    expect(ua).toContain('Shadowbroker');
+    expect(ua.toLowerCase()).toContain('github.com');
+    expect(ua.toLowerCase()).toContain('issues');
+    expect(ua).toContain('operator: operator-abc123');
+    expect(ua).toContain('purpose: wikipedia-summary');
+  });
+
+  it('falls back to "operator-offline" when handle endpoint is unreachable', async () => {
+    globalThis.fetch = vi.fn(async (input: any) => {
+      const url = String(input);
+      if (url.endsWith('/api/settings/operator-handle')) {
+        return new Response('forbidden', { status: 403 });
+      }
+      return new Response('{}', { status: 200 });
+    }) as any;
+    const ua = await buildWikimediaUserAgent('test');
+    expect(ua).toContain('operator: operator-offline');
+  });
+
+  it('sends per-operator Api-User-Agent on Wikipedia summary fetch', async () => {
+    const wikiCalls: Array<{ url: string; init?: RequestInit }> = [];
+    const baseFetch = vi.fn(async (url: any, init?: RequestInit) => {
+      wikiCalls.push({ url: String(url), init });
+      return new Response(
+        JSON.stringify({
+          type: 'standard',
+          title: 'Boeing 747',
+          description: 'aircraft',
+          extract: 'long extract',
+          thumbnail: { source: 'https://example.org/thumb.jpg' },
+        }),
+        { status: 200 },
+      );
+    });
+    globalThis.fetch = withHandle('operator-test01', baseFetch as any) as any;
+
+    const summary = await fetchWikipediaSummary('Boeing 747');
+    expect(summary?.thumbnail).toBe('https://example.org/thumb.jpg');
+    // wikiCalls only captures calls to non-handle URLs.
+    expect(wikiCalls).toHaveLength(1);
+    const headers = (wikiCalls[0].init?.headers || {}) as Record<string, string>;
+    expect(headers['Api-User-Agent']).toContain('operator: operator-test01');
+    expect(headers['Api-User-Agent']).toContain('purpose: wikipedia-summary');
+  });
+
+  it('sends per-operator Api-User-Agent on Wikidata SPARQL fetch', async () => {
+    const calls: Array<{ url: string; init?: RequestInit }> = [];
+    const baseFetch = vi.fn(async (url: any, init?: RequestInit) => {
+      calls.push({ url: String(url), init });
+      return new Response(
+        JSON.stringify({
+          results: { bindings: [{ leaderLabel: { value: 'Test Leader' } }] },
+        }),
+        { status: 200 },
+      );
+    });
+    globalThis.fetch = withHandle('operator-sparql', baseFetch as any) as any;
+
+    const bindings = await fetchWikidataSparql('SELECT * WHERE { ?s ?p ?o }');
+    expect(bindings).toHaveLength(1);
+    const headers = (calls[0].init?.headers || {}) as Record<string, string>;
+    expect(headers['Api-User-Agent']).toContain('operator: operator-sparql');
+    expect(headers['Api-User-Agent']).toContain('purpose: wikidata-sparql');
+    expect(headers['Accept']).toBe('application/sparql-results+json');
+  });
+
+  it('handle endpoint is queried only ONCE across many wiki fetches', async () => {
+    let handleCalls = 0;
+    let wikiCalls = 0;
+    globalThis.fetch = vi.fn(async (input: any) => {
+      const url = String(input);
+      if (url.endsWith('/api/settings/operator-handle')) {
+        handleCalls++;
+        return new Response(JSON.stringify({ handle: 'operator-cache' }), { status: 200 });
+      }
+      wikiCalls++;
+      return new Response(
+        JSON.stringify({
+          type: 'standard',
+          title: 'X',
+          description: '',
+          extract: '',
+          thumbnail: { source: 'https://example.org/x.jpg' },
+        }),
+        { status: 200 },
+      );
+    }) as any;
+
+    await fetchWikipediaSummary('Eiffel Tower');
+    await fetchWikipediaSummary('Mount Fuji');
+    await fetchWikipediaSummary('Statue of Liberty');
+    expect(handleCalls).toBe(1);
+    expect(wikiCalls).toBe(3);
+  });
+
+  it('shares cache across consecutive callers for the same Wikipedia title', async () => {
+    let fetchCount = 0;
+    const baseFetch = vi.fn(async () => {
+      fetchCount++;
+      return new Response(
+        JSON.stringify({
+          type: 'standard',
+          title: 'Eiffel Tower',
+          description: 'iron lattice tower',
+          extract: '...',
+          thumbnail: { source: 'https://example.org/eiffel.jpg' },
+        }),
+        { status: 200 },
+      );
+    });
+    globalThis.fetch = withHandle('operator-cache', baseFetch as any) as any;
+
+    const a = await fetchWikipediaSummary('Eiffel Tower');
+    const b = await fetchWikipediaSummary('Eiffel Tower');
+    expect(fetchCount).toBe(1);
+    expect(a?.thumbnail).toBe(b?.thumbnail);
+  });
+
+  it('deduplicates concurrent in-flight requests for the same title', async () => {
+    let fetchCount = 0;
+    const baseFetch = vi.fn(async () => {
+      fetchCount++;
+      await new Promise((r) => setTimeout(r, 5));
+      return new Response(
+        JSON.stringify({
+          type: 'standard',
+          title: 'Mount Fuji',
+          description: 'stratovolcano',
+          extract: '...',
+          thumbnail: { source: 'https://example.org/fuji.jpg' },
+        }),
+        { status: 200 },
+      );
+    });
+    globalThis.fetch = withHandle('operator-cache', baseFetch as any) as any;
+
+    const [a, b, c] = await Promise.all([
+      fetchWikipediaSummary('Mount Fuji'),
+      fetchWikipediaSummary('Mount Fuji'),
+      fetchWikipediaSummary('Mount Fuji'),
+    ]);
+    expect(fetchCount).toBe(1);
+    expect(a?.thumbnail).toBe('https://example.org/fuji.jpg');
+    expect(b).toEqual(a);
+    expect(c).toEqual(a);
+  });
+
+  it('returns null on disambiguation pages without throwing', async () => {
+    globalThis.fetch = withHandle(
+      'operator-cache',
+      vi.fn(async () =>
+        new Response(JSON.stringify({ type: 'disambiguation' }), { status: 200 }),
+      ) as any,
+    ) as any;
+    const summary = await fetchWikipediaSummary('Mercury');
+    expect(summary).toBeNull();
+  });
+
+  it('returns null on HTTP error without throwing', async () => {
+    globalThis.fetch = withHandle(
+      'operator-cache',
+      vi.fn(async () => new Response('not found', { status: 404 })) as any,
+    ) as any;
+    const summary = await fetchWikipediaSummary('Nonexistent Article 12345');
+    expect(summary).toBeNull();
+  });
+
+  it('returns null on network error without throwing', async () => {
+    globalThis.fetch = withHandle(
+      'operator-cache',
+      vi.fn(async () => {
+        throw new Error('network down');
+      }) as any,
+    ) as any;
+    const summary = await fetchWikipediaSummary('Anything');
+    expect(summary).toBeNull();
+  });
+
+  it('returns null on empty input without fetching anything', async () => {
+    globalThis.fetch = vi.fn(async () => new Response('{}', { status: 200 })) as any;
+    expect(await fetchWikipediaSummary('')).toBeNull();
+    expect(await fetchWikipediaSummary('   ')).toBeNull();
+    expect(globalThis.fetch).not.toHaveBeenCalled();
+  });
+});

frontend/src/components/NewsFeed.tsx

@@ -5,6 +5,7 @@ import { motion, AnimatePresence } from 'framer-motion';
 import { AlertTriangle, Clock, Minus, Plus, ExternalLink, Brain, Loader2 } from 'lucide-react';
 import React, { useEffect, useRef, useCallback } from 'react';
 import WikiImage from '@/components/WikiImage';
+import { fetchWikipediaSummary } from '@/lib/wikimediaClient';
 import type { SelectedEntity, RegionDossier, FimiData } from "@/types/dashboard";
 import { useDataKeys } from '@/hooks/useDataStore';
 import { API_BASE } from '@/lib/api';
@@ -203,34 +204,37 @@ function resolveAircraftWikiTitle(model: string | undefined): string | null {
     return AIRCRAFT_WIKI[model] || resolveAcTypeWiki(model);
 }
 
-// Module-level cache for Wikipedia thumbnails (persists across re-renders)
-const _wikiThumbCache: Record<string, { url: string | null; loading: boolean }> = {};
-
+// Issue #220 (tg12): the previous implementation kept its own
+// module-local Wikipedia thumbnail cache and issued anonymous fetches
+// without `Api-User-Agent`. We now delegate to lib/wikimediaClient,
+// which sends the policy-compliant header and shares one cache with
+// WikiImage and useRegionDossier.
 function useAircraftImage(model: string | undefined): { imgUrl: string | null; wikiUrl: string | null; loading: boolean } {
-    const [, forceUpdate] = useState(0);
+    const [imgUrl, setImgUrl] = useState<string | null>(null);
+    const [loading, setLoading] = useState(false);
     const wikiTitle = resolveAircraftWikiTitle(model) || undefined;
     const wikiUrl = wikiTitle ? `https://en.wikipedia.org/wiki/${wikiTitle.replace(/ /g, '_')}` : null;
 
     useEffect(() => {
-        if (!wikiTitle) return;
-        const key = wikiTitle;
-        if (_wikiThumbCache[key]) return; // Already fetched or in-flight
-        _wikiThumbCache[key] = { url: null, loading: true };
-        fetch(`https://en.wikipedia.org/api/rest_v1/page/summary/${encodeURIComponent(wikiTitle)}`)
-            .then(r => r.json())
-            .then(d => {
-                _wikiThumbCache[key] = { url: d.thumbnail?.source || null, loading: false };
-                forceUpdate(n => n + 1);
-            })
-            .catch(() => {
-                _wikiThumbCache[key] = { url: null, loading: false };
-                forceUpdate(n => n + 1);
-            });
+        let cancelled = false;
+        if (!wikiTitle) {
+            setImgUrl(null);
+            setLoading(false);
+            return;
+        }
+        setLoading(true);
+        fetchWikipediaSummary(wikiTitle).then((summary) => {
+            if (cancelled) return;
+            setImgUrl(summary?.thumbnail || null);
+            setLoading(false);
+        });
+        return () => {
+            cancelled = true;
+        };
     }, [wikiTitle]);
 
     if (!wikiTitle) return { imgUrl: null, wikiUrl: null, loading: false };
-    const cached = _wikiThumbCache[wikiTitle];
-    return { imgUrl: cached?.url || null, wikiUrl, loading: cached?.loading || false };
+    return { imgUrl, wikiUrl, loading };
 }
 
 

frontend/src/components/WikiImage.tsx

@@ -1,13 +1,17 @@
 'use client';
 import React, { useState, useEffect } from 'react';
 import ExternalImage from '@/components/ExternalImage';
-
-// Module-level cache: Wikipedia article title → thumbnail URL
-const _cache: Record<string, { url: string | null; done: boolean }> = {};
+import { fetchWikipediaSummary } from '@/lib/wikimediaClient';
 
 /**
  * WikiImage — displays a Wikipedia thumbnail for a given article URL.
- * Uses the Wikipedia REST API with a module-level cache (only fetches once per article).
+ *
+ * Issue #220 (tg12): this component previously had its own
+ * module-local Wikipedia fetch + cache. It now delegates to
+ * `lib/wikimediaClient`, which sends the policy-compliant
+ * `Api-User-Agent` header and shares one cache across every UI
+ * component that asks Wikipedia for an article summary (WikiImage,
+ * NewsFeed, useRegionDossier).
  *
  * Props:
  *   wikiUrl:  Full Wikipedia URL, e.g. "https://en.wikipedia.org/wiki/Boeing_787_Dreamliner"
@@ -26,32 +30,30 @@ export default function WikiImage({
   maxH?: string;
   accent?: string;
 }) {
-  const [, forceUpdate] = useState(0);
+  const [imgUrl, setImgUrl] = useState<string | null>(null);
+  const [loading, setLoading] = useState(true);
 
   // Extract article title from URL
   const title = wikiUrl.replace(/^https?:\/\/[^/]+\/wiki\//, '');
 
   useEffect(() => {
-    if (!title || _cache[title]?.done) return;
-    if (_cache[title]) return; // In-flight
-    _cache[title] = { url: null, done: false };
-
-    fetch(`https://en.wikipedia.org/api/rest_v1/page/summary/${encodeURIComponent(title)}`)
-      .then((r) => r.json())
-      .then((d) => {
-        _cache[title] = { url: d.thumbnail?.source || d.originalimage?.source || null, done: true };
-        forceUpdate((n) => n + 1);
-      })
-      .catch(() => {
-        _cache[title] = { url: null, done: true };
-        forceUpdate((n) => n + 1);
-      });
+    let cancelled = false;
+    if (!title) {
+      setImgUrl(null);
+      setLoading(false);
+      return;
+    }
+    setLoading(true);
+    fetchWikipediaSummary(title).then((summary) => {
+      if (cancelled) return;
+      setImgUrl(summary?.thumbnail || null);
+      setLoading(false);
+    });
+    return () => {
+      cancelled = true;
+    };
   }, [title]);
 
-  const cached = _cache[title];
-  const imgUrl = cached?.url;
-  const loading = cached && !cached.done;
-
   return (
     <div className="pb-2">
       {loading && (

frontend/src/hooks/useRegionDossier.ts

@@ -1,5 +1,6 @@
 import { useCallback, useState, useEffect } from 'react';
 import type { RegionDossier, SelectedEntity } from '@/types/dashboard';
+import { fetchWikipediaSummary, fetchWikidataSparql } from '@/lib/wikimediaClient';
 
 // ─── CACHE ─────────────────────────────────────────────────────────────────
 // Simple in-memory cache keyed by rounded lat/lng (0.1° ≈ 11km grid), 24h TTL.
@@ -114,7 +115,11 @@ async function fetchCountryData(countryCode: string) {
   return Array.isArray(data) ? data[0] || {} : data || {};
 }
 
-/** Fetch head of state + government type from Wikidata SPARQL (direct browser call). */
+/** Fetch head of state + government type from Wikidata SPARQL.
+ *
+ * Issue #218 (tg12): routes through lib/wikimediaClient so the
+ * Api-User-Agent header is set per Wikimedia's UA policy.
+ */
 async function fetchLeader(countryName: string) {
   if (!countryName) return { leader: 'Unknown', government_type: 'Unknown' };
   const safeName = countryName.replace(/"/g, '\\"').replace(/'/g, "\\'");
@@ -127,13 +132,11 @@ async function fetchLeader(countryName: string) {
       SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
     } LIMIT 1
   `;
-  const url = `https://query.wikidata.org/sparql?query=${encodeURIComponent(sparql)}&format=json`;
-  const res = await fetch(url, {
-    headers: { Accept: 'application/sparql-results+json' },
-  });
-  if (!res.ok) throw new Error(`Wikidata HTTP ${res.status}`);
-  const results = (await res.json()).results?.bindings || [];
-  if (results.length > 0) {
+  const results = await fetchWikidataSparql<{
+    leaderLabel?: { value: string };
+    govTypeLabel?: { value: string };
+  }>(sparql);
+  if (results && results.length > 0) {
     return {
       leader: results[0].leaderLabel?.value || 'Unknown',
       government_type: results[0].govTypeLabel?.value || 'Unknown',
@@ -142,27 +145,25 @@ async function fetchLeader(countryName: string) {
   return { leader: 'Unknown', government_type: 'Unknown' };
 }
 
-/** Fetch Wikipedia summary for a place (direct browser call). */
+/** Fetch Wikipedia summary for a place.
+ *
+ * Issue #219 (tg12): routes through lib/wikimediaClient so the
+ * Api-User-Agent header is set per Wikimedia's UA policy, AND the
+ * shared cache means consecutive useRegionDossier + WikiImage +
+ * NewsFeed lookups for the same article all hit the same slot.
+ */
 async function fetchLocalWikiSummary(placeName: string, countryName = '') {
   if (!placeName) return {};
   const candidates = [placeName];
   if (countryName) candidates.push(`${placeName}, ${countryName}`);
-
   for (const name of candidates) {
-    try {
-      const slug = encodeURIComponent(name.replace(/ /g, '_'));
-      const url = `https://en.wikipedia.org/api/rest_v1/page/summary/${slug}`;
-      const res = await fetch(url);
-      if (!res.ok) continue;
-      const data = await res.json();
-      if (data.type === 'disambiguation') continue;
+    const summary = await fetchWikipediaSummary(name);
+    if (summary) {
       return {
-        description: data.description || '',
-        extract: data.extract || '',
-        thumbnail: data.thumbnail?.source || '',
+        description: summary.description,
+        extract: summary.extract,
+        thumbnail: summary.thumbnail,
       };
-    } catch {
-      continue;
     }
   }
   return {};

frontend/src/lib/wikimediaClient.ts

@@ -0,0 +1,210 @@
+/**
+ * wikimediaClient — single fetch surface for Wikipedia / Wikidata.
+ *
+ * Issues #218, #219, #220 (tg12 external audit) + Round 7a:
+ *
+ * Wikimedia's User-Agent policy asks API clients to identify themselves
+ * via `Api-User-Agent` when calling from browser JavaScript (because the
+ * browser does not let JS set `User-Agent` directly). Three independent
+ * components used to issue anonymous browser fetches against Wikipedia /
+ * Wikidata:
+ *
+ *   - useRegionDossier  (Wikidata SPARQL + Wikipedia REST summary)
+ *   - WikiImage          (Wikipedia REST summary)
+ *   - NewsFeed           (Wikipedia REST summary)
+ *
+ * PR #284 collapsed them into this shared helper with one stable
+ * `Api-User-Agent`. That fixed compliance but introduced a new problem:
+ * the `Api-User-Agent` was project-wide, so from Wikimedia's perspective
+ * every Shadowbroker install looked like one giant scraper. If one
+ * install misbehaved, Wikimedia's only recourse was to block the project
+ * as a whole.
+ *
+ * Round 7a fixes that. The frontend fetches the per-install operator
+ * handle from `GET /api/settings/operator-handle` once on first use and
+ * embeds it in the `Api-User-Agent`. Wikimedia can now rate-limit /
+ * contact the specific install instead of the project. The handle is
+ * auto-generated on the backend (`shadow-XXXXXX`) or operator-chosen via
+ * the `OPERATOR_HANDLE` setting.
+ *
+ * UX impact: zero. Same thumbnails, same summaries, same load behavior.
+ * The only observable change is the value of the outgoing
+ * `Api-User-Agent` header.
+ */
+
+// Module-level cache shared by WikiImage, NewsFeed, and useRegionDossier.
+// Keyed by Wikipedia article title (NOT slug — we keep the human-readable
+// form so debugging the cache is easier). Values track in-flight state
+// so concurrent callers for the same title share one network request.
+export interface WikipediaSummary {
+  title: string;
+  description: string;
+  extract: string;
+  thumbnail: string;
+  type: string; // 'standard' | 'disambiguation' | etc.
+}
+
+interface CacheEntry {
+  summary: WikipediaSummary | null;
+  inflight: Promise<WikipediaSummary | null> | null;
+  loaded: boolean;
+}
+
+const _summaryCache: Map<string, CacheEntry> = new Map();
+const SUMMARY_CACHE_MAX = 512;
+
+function evictIfOverCap() {
+  if (_summaryCache.size <= SUMMARY_CACHE_MAX) return;
+  const oldest = _summaryCache.keys().next().value;
+  if (oldest) _summaryCache.delete(oldest);
+}
+
+// ─── Per-operator handle (Round 7a) ────────────────────────────────────────
+
+// Fetched once from the backend on first need and cached for the page
+// lifetime. The handle is NOT a secret — Wikimedia will see it on every
+// Wikipedia / Wikidata request we make — but caching it locally avoids a
+// round-trip on every Wikipedia fetch and lets the offline / no-backend
+// case still produce a stable UA (the fallback handle).
+let _handlePromise: Promise<string> | null = null;
+let _cachedHandle: string | null = null;
+
+const FALLBACK_HANDLE = 'operator-offline';
+const HANDLE_ENDPOINT = '/api/settings/operator-handle';
+
+async function fetchOperatorHandle(): Promise<string> {
+  try {
+    const res = await fetch(HANDLE_ENDPOINT, {
+      // Use the standard relative-path proxy so the Next.js admin-key
+      // injection (same-origin) flows naturally for legitimate browser
+      // sessions. A cross-origin scanner will be blocked by the proxy
+      // before this even leaves their browser.
+      credentials: 'same-origin',
+    });
+    if (!res.ok) return FALLBACK_HANDLE;
+    const data = await res.json();
+    const h = (data && typeof data.handle === 'string' && data.handle.trim()) || '';
+    return h || FALLBACK_HANDLE;
+  } catch {
+    return FALLBACK_HANDLE;
+  }
+}
+
+async function getOperatorHandle(): Promise<string> {
+  if (_cachedHandle) return _cachedHandle;
+  if (!_handlePromise) {
+    _handlePromise = fetchOperatorHandle().then((h) => {
+      _cachedHandle = h;
+      return h;
+    });
+  }
+  return _handlePromise;
+}
+
+/** Build the Wikimedia Api-User-Agent for this install.
+ *
+ * Includes the per-install operator handle so Wikimedia can rate-limit /
+ * contact the specific operator instead of the project as a whole.
+ * Exported for tests; production callers should let
+ * `fetchWikipediaSummary` / `fetchWikidataSparql` build it implicitly.
+ */
+export async function buildWikimediaUserAgent(purpose: string): Promise<string> {
+  const handle = await getOperatorHandle();
+  const safePurpose = (purpose || '').replace(/[^a-zA-Z0-9_-]/g, '-').toLowerCase();
+  return (
+    `Shadowbroker/1.0 (operator: ${handle}; purpose: ${safePurpose}; ` +
+    '+https://github.com/BigBodyCobain/Shadowbroker; report issues at /issues)'
+  );
+}
+
+// ─── Wikipedia summary fetch ───────────────────────────────────────────────
+
+/** Fetch a Wikipedia article summary (titles, NOT URLs).
+ *
+ * Empty / invalid input resolves to `null`. Network errors and disambig
+ * pages also resolve to `null` so callers can render a fallback without
+ * a try/catch. Per the audit's "fail forward, not loud" rule.
+ */
+export async function fetchWikipediaSummary(
+  title: string,
+): Promise<WikipediaSummary | null> {
+  const trimmed = (title || '').trim();
+  if (!trimmed) return null;
+
+  const cached = _summaryCache.get(trimmed);
+  if (cached?.loaded) return cached.summary;
+  if (cached?.inflight) return cached.inflight;
+
+  const slug = encodeURIComponent(trimmed.replace(/ /g, '_'));
+  const url = `https://en.wikipedia.org/api/rest_v1/page/summary/${slug}`;
+
+  const promise = (async (): Promise<WikipediaSummary | null> => {
+    try {
+      const ua = await buildWikimediaUserAgent('wikipedia-summary');
+      const r = await fetch(url, { headers: { 'Api-User-Agent': ua } });
+      if (!r.ok) return null;
+      const d = await r.json();
+      if (d?.type === 'disambiguation') return null;
+      return {
+        title: trimmed,
+        description: d?.description || '',
+        extract: d?.extract || '',
+        thumbnail: d?.thumbnail?.source || d?.originalimage?.source || '',
+        type: d?.type || 'standard',
+      };
+    } catch {
+      return null;
+    }
+  })().then((summary) => {
+    _summaryCache.set(trimmed, { summary, inflight: null, loaded: true });
+    evictIfOverCap();
+    return summary;
+  });
+
+  _summaryCache.set(trimmed, { summary: null, inflight: promise, loaded: false });
+  evictIfOverCap();
+  return promise;
+}
+
+// ─── Wikidata SPARQL ───────────────────────────────────────────────────────
+
+/** Fetch a Wikidata SPARQL query result.
+ *
+ * Returns the parsed JSON `results.bindings` array on success; `null`
+ * (not throwing) on any failure so callers can render fallbacks
+ * silently. Per-install operator handle threaded through `Api-User-Agent`
+ * (Round 7a).
+ */
+export async function fetchWikidataSparql<T = Record<string, { value: string }>>(
+  sparql: string,
+): Promise<T[] | null> {
+  const trimmed = (sparql || '').trim();
+  if (!trimmed) return null;
+  const url = `https://query.wikidata.org/sparql?query=${encodeURIComponent(
+    trimmed,
+  )}&format=json`;
+  try {
+    const ua = await buildWikimediaUserAgent('wikidata-sparql');
+    const res = await fetch(url, {
+      headers: {
+        'Api-User-Agent': ua,
+        Accept: 'application/sparql-results+json',
+      },
+    });
+    if (!res.ok) return null;
+    const json = await res.json();
+    const bindings = json?.results?.bindings;
+    return Array.isArray(bindings) ? (bindings as T[]) : null;
+  } catch {
+    return null;
+  }
+}
+
+// ─── Test helpers ──────────────────────────────────────────────────────────
+
+/** Internal: clear the shared cache + the handle cache. Exposed for tests only. */
+export function _resetWikimediaClientCacheForTests() {
+  _summaryCache.clear();
+  _handlePromise = null;
+  _cachedHandle = null;
+}

uv.lock

@@ -80,8 +80,8 @@ dependencies = [
     { name = "apscheduler" },
     { name = "beautifulsoup4" },
     { name = "cachetools" },
-    { name = "cloudscraper" },
     { name = "cryptography" },
+    { name = "defusedxml" },
     { name = "fastapi" },
     { name = "feedparser" },
     { name = "httpx" },
@@ -118,8 +118,8 @@ requires-dist = [
     { name = "apscheduler", specifier = "==3.10.3" },
     { name = "beautifulsoup4", specifier = ">=4.9.0" },
     { name = "cachetools", specifier = "==5.5.2" },
-    { name = "cloudscraper", specifier = "==1.2.71" },
     { name = "cryptography", specifier = ">=41.0.0" },
+    { name = "defusedxml", specifier = ">=0.7.1" },
     { name = "fastapi", specifier = "==0.115.12" },
     { name = "feedparser", specifier = "==6.0.10" },
     { name = "httpx", specifier = "==0.28.1" },
@@ -451,20 +451,6 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/98/78/01c019cdb5d6498122777c1a43056ebb3ebfeef2076d9d026bfe15583b2b/click-8.3.1-py3-none-any.whl", hash = "sha256:981153a64e25f12d547d3426c367a4857371575ee7ad18df2a6183ab0545b2a6", size = 108274, upload-time = "2025-11-15T20:45:41.139Z" },
 ]
 
-[[package]]
-name = "cloudscraper"
-version = "1.2.71"
-source = { registry = "https://pypi.org/simple" }
-dependencies = [
-    { name = "pyparsing" },
-    { name = "requests" },
-    { name = "requests-toolbelt" },
-]
-sdist = { url = "https://files.pythonhosted.org/packages/ac/25/6d0481860583f44953bd791de0b7c4f6d7ead7223f8a17e776247b34a5b4/cloudscraper-1.2.71.tar.gz", hash = "sha256:429c6e8aa6916d5bad5c8a5eac50f3ea53c9ac22616f6cb21b18dcc71517d0d3", size = 93261, upload-time = "2023-04-25T23:20:19.467Z" }
-wheels = [
-    { url = "https://files.pythonhosted.org/packages/81/97/fc88803a451029688dffd7eb446dc1b529657577aec13aceff1cc9628c5d/cloudscraper-1.2.71-py2.py3-none-any.whl", hash = "sha256:76f50ca529ed2279e220837befdec892626f9511708e200d48d5bb76ded679b0", size = 99652, upload-time = "2023-04-25T23:20:15.974Z" },
-]
-
 [[package]]
 name = "colorama"
 version = "0.4.6"
@@ -600,6 +586,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/a4/87/d03a718e7bfdbbebaa4b6a66ba5bb069bc00a84e5ad176d8198cc785cd42/dbus_fast-4.0.0-cp314-cp314t-musllinux_1_2_x86_64.whl", hash = "sha256:f6af190d8306f1bd506740c39701f5c211aa31ac660a3fcb401ebb97d33166c7", size = 1627620, upload-time = "2026-02-01T21:05:46.878Z" },
 ]
 
+[[package]]
+name = "defusedxml"
+version = "0.7.1"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/0f/d5/c66da9b79e5bdb124974bfe172b4daf3c984ebd9c2a06e2b8a4dc7331c72/defusedxml-0.7.1.tar.gz", hash = "sha256:1bb3032db185915b62d7c6209c5a8792be6a32ab2fedacc84e01b52c51aa3e69", size = 75520, upload-time = "2021-03-08T10:59:26.269Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/07/6c/aa3f2f849e01cb6a001cd8554a88d4c77c5c1a31c95bdf1cf9301e6d9ef4/defusedxml-0.7.1-py2.py3-none-any.whl", hash = "sha256:a352e7e428770286cc899e2542b6cdaedb2b4953ff269a210103ec58f6198a61", size = 25604, upload-time = "2021-03-08T10:59:24.45Z" },
+]
+
 [[package]]
 name = "deprecated"
 version = "1.3.1"
@@ -1632,15 +1627,6 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/99/32/15e08a0c4bb536303e1568e2ba5cae1ce39a2e026a03aea46173af4c7a2d/pyobjc_framework_libdispatch-12.1-cp314-cp314t-macosx_10_15_universal2.whl", hash = "sha256:23fc9915cba328216b6a736c7a48438a16213f16dfb467f69506300b95938cc7", size = 15976, upload-time = "2025-11-14T09:53:07.936Z" },
 ]
 
-[[package]]
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