v1.45.0.0 feat(design): persistent board daemon — 24h boards, one tab, board history (#1710)

* refactor(design): board JS uses relative paths; drop __GSTACK_SERVER_URL injection

Board JS in design/src/compare.ts now calls ./api/feedback and ./api/progress
(relative to location.pathname) and feature-detects server mode via
location.protocol instead of the injected window.__GSTACK_SERVER_URL global.
The injection in design/src/serve.ts is removed (dead code now that nothing
reads it). Tests updated to match the new contract: serve.test.ts asserts
the relative-path JS is present and the global is gone; feedback-roundtrip
asserts location.protocol detects HTTP mode.

Why: prep for the multi-board daemon (design/src/daemon.ts upcoming) where
the same generated HTML is served at /boards/<id>/ instead of /. Relative
paths resolve against location.pathname in both cases, so one HTML, two
hosts. The injection was the only thing tying board JS to a specific
serving path; removing it unblocks the daemon work without forking the
generator.

file:// fallback preserved via the location.protocol feature-detect — board
opened directly as a file still falls through to the DOM-only success path.

The 6 feedback-roundtrip browser tests continue to fail with
session.clearLoadedHtml undefined; that failure pre-exists this branch
(verified against HEAD with these edits stashed) and lives in
browse/src/write-commands.ts, not in the design code path. Tracking
separately.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(design): reload guard rejects directory paths

design/src/serve.ts:200-212 used to accept a path that resolved to the
allowedDir itself (the OR branch `|| resolvedReload === allowedDir`),
which then crashed readFileSync with EISDIR. Now:

  1. startsWith(allowedDir + path.sep) must pass — rejects the dir itself
     and anything outside (403).
  2. statSync(resolvedReload).isFile() must pass — rejects subdirectories
     inside allowedDir with a clear "Path must be a file" 400.

The test stub in serve.test.ts mirrors prod; both updated, plus two new
test cases for the previously-broken paths. Codex caught this in the
plan-review pass; it's a latent bug in shipping code, not a regression
from the daemon work.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(design): introduce design daemon — multi-board persistent server

Adds design/src/daemon.ts: a Bun.serve daemon that hosts many boards
under /boards/<id>/ instead of one server per `$D compare --serve` call.
Spawned by daemon-client (next commit); for now wired only via tests.

Endpoint table:
  GET  /health                       liveness + version + counts (unauth)
  GET  /                             index of recent boards
  POST /api/boards                   publish; daemon derives sourceDir
                                     from realpath(html). body sourceDir
                                     IGNORED (Codex trust-boundary fix).
  POST /shutdown                     graceful; refuses if active boards
                                     exist (Codex data-loss fix)
  GET  /boards/<id>                  301 → /boards/<id>/ (trailing slash
                                     is load-bearing — relative URLs in
                                     board JS resolve against pathname)
  GET  /boards/<id>/                 render board HTML
  GET  /boards/<id>/api/progress     state machine status (no idle reset)
  POST /boards/<id>/api/feedback     submit/regen; writes feedback.json
                                     or feedback-pending.json with
                                     boardId + publishedAt augmented in
  POST /boards/<id>/api/reload       swap HTML; per-board allowedDir
                                     guard rejects traversal, directories,
                                     out-of-allowed-dir symlinks

Lifecycle:
- 24h idle timeout (DESIGN_DAEMON_IDLE_MS for tests).
- Idle with active boards extends 1h up to 4x, then force-shuts (Codex).
- LRU cap 50 boards; evicts done before non-done; 503 when 50 non-done.
- Per-board async mutex serializes feedback POST vs reload POST.
- SIGTERM/SIGINT/uncaughtException → graceful shutdown, state file unlink.
- Stdout: DAEMON_STARTED port=<N> (the line the client parses).

Shared utilities live in design/src/daemon-state.ts: atomic state-file
write/read (mode 0o600), fs.openSync('wx') lock, isProcessAlive, cmdline
identity verification (/proc on Linux, ps on macOS), CMDLINE_MARKER
constant. Modeled on browse/src/cli.ts lock + spawn patterns.

design/test/daemon.test.ts: 30 tests, all green. Covers every endpoint,
both error paths and happy paths, cross-board feedback isolation, the
trailing-slash redirect, the directory-not-file reload rejection, LRU
preferring done over non-done, /shutdown refusal with active boards,
all path-traversal guards. Uses the exported fetchHandler in-process
(no spawn) so the suite runs in ~70ms.

design/test/daemon-tests-fixtures.ts: shared helpers — req() builder,
tmp-dir helpers, daemon reset, and a spawnDaemonForTest() helper used
by the next commit's discovery tests.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(design): daemon-client with lock + identity-verified spawn

design/src/daemon-client.ts implements the CLI side of the daemon lifecycle:
ensureDaemon() (the spawn-or-attach decision), publishBoard(), and the
$D daemon stop|status helpers.

Modeled on browse/src/cli.ts:317-415 — same health-check-first attach,
same fs.openSync('wx') lock, same re-read-state-INSIDE-the-lock guard
against two CLIs both deciding "no daemon, spawn." Two design-specific
safety properties added beyond browse:

1. verifyIdentity before any SIGTERM/SIGKILL. Reads the running process's
   cmdline (/proc/PID/cmdline on Linux, `ps -p PID -o command=` on macOS)
   and only signals if it contains CMDLINE_MARKER ("gstack-design-daemon",
   passed as argv at spawn time). Prevents a stale state file from
   causing us to kill an unrelated process that inherited the PID.

2. Refuse-kill-with-active-boards on version mismatch. Browse silently
   restarts; here in-memory board history would vanish, so the client
   prints a user-actionable WARNING and exit 1 instead. Users explicitly
   `$D daemon stop` to override.

Spawn uses Node child_process.spawn (NOT Bun.spawn().unref) because of
the macOS session-detach quirks browse already discovered. Stdio is
redirected to ~/.gstack/design-daemon-startup.log, which the client
tails into stderr if waitForHealthOrError times out — no more silent
"daemon failed for some unknowable reason."

daemon-state.ts gains DESIGN_DAEMON_STATE_FILE env override so tests
can point both client and spawned daemon at a per-test path without a
shared cwd.

design/test/daemon-discovery.test.ts: 17 tests, all green in ~8s. Covers:
spawn-fresh, attach-existing, stale-state-file (pid dead), PID-reuse
safety (uses the test runner's own PID as the bait — verifyIdentity
catches the cmdline mismatch, daemon not signaled), version-mismatch
with/without active boards (the active-boards case runs a subprocess
and asserts exit 1 + WARNING in stderr), publishBoard 200 + 409,
shutdownDaemon refuse/force/unresponsive paths, daemonStatus.

The daemon-discovery suite is split out of daemon.test.ts because each
real spawn costs ~200ms; the in-process daemon.test.ts (30 tests, 70ms)
covers the same handler logic without the spawn overhead.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(design): wire daemon dispatch into CLI; add daemon stop/status

design/src/cli.ts now branches on --no-daemon for both `compare --serve`
and standalone `serve --html`. Default path: ensureDaemon → publishBoard
→ openBrowser → exit. The legacy single-process serve() is preserved
behind --no-daemon for tests, Windows, and explicit debugging.

Adds $D daemon status (prints daemon state JSON, or {running:false})
and $D daemon stop [--force] (refuses with active boards unless --force).

parseArgs gains a `positionals` field so daemon sub-commands work
naturally (`$D daemon stop` instead of `$D --action stop`).

Stderr lines printed by the publishToDaemon path:
  DAEMON_STARTED port=N   (or DAEMON_ATTACHED port=N)
  BOARD_PUBLISHED: <url>
  BOARD_URL: <url>        (alias for grep-friendliness)

Stdout: JSON with id, url, sourceDir.

design/src/commands.ts: --no-daemon, --title added to compare + serve;
new daemon command entry with status|stop sub-commands.

End-to-end smoke (manual): spawning a board via $D serve, hitting the
returned URL, reading /health, calling daemon status (returns the
right JSON), and daemon stop refusing because of the active board —
all work as designed. Force-stop tears down cleanly and removes the
state file.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* test(design): end-to-end daemon round-trip via HTTP fetch

design/test/feedback-roundtrip-daemon.test.ts walks the full publish →
submit / regenerate / reload cycle against a real spawned daemon, using
the same HTTP calls the board JS makes. Four tests, all green in ~650ms.

Covers what design-shotgun and friends actually depend on:
  - Submit writes feedback.json into the board's sourceDir with the
    augmented boardId + publishedAt fields.
  - GET /boards/<id> (no slash) returns a 301 to /boards/<id>/ — the
    load-bearing redirect that lets the board JS use relative paths.
  - Regenerate writes feedback-pending.json, flips state to regenerating,
    /api/progress reflects it; /api/reload swaps HTML in place; round-2
    submit writes the final feedback.json with the round-2 selection.
  - Two boards published into the same daemon get independent URLs on
    the same port — feedback for board A doesn't contaminate board B's
    sourceDir, both URLs serve their own content, the index lists both.

Uses HTTP fetch rather than a real browser because the existing browser
round-trip (feedback-roundtrip.test.ts) is broken on a pre-existing
browse harness regression (session.clearLoadedHtml undefined in
browse/src/write-commands.ts:149) that's unrelated to this branch.
The HTTP path proves the same daemon semantics; a browser variant can
be added once the browse harness is fixed.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(design): compiled binary self-execs as daemon; unified version lookup

Two small but production-critical fixes once the binary actually runs:

1. Compiled binary couldn't spawn the daemon. daemon-client previously
   pointed at design/src/daemon.ts via import.meta.dir — fine in dev,
   fatal in production (the source path doesn't exist on a user's
   machine). Fix: design CLI now self-execs in --daemon-mode when
   invoked with that flag, so the spawn is `process.execPath
   --daemon-mode --marker gstack-design-daemon` for the compiled binary
   and `bun run cli.ts --daemon-mode ...` in dev. Same one binary, two
   modes, no separate daemon entrypoint to ship.

2. Client and daemon disagreed on VERSION in the compiled binary.
   Both used a source-tree-relative path that resolves to "unknown"
   at runtime, which silently shorted the version-mismatch refusal
   path (client expected "unknown" + daemon reported "unknown" → match
   → no refusal even when DESIGN_DAEMON_VERSION was set on one side).
   New readVersionString() consults DESIGN_DAEMON_VERSION env first,
   then design/dist/.version (sidecar baked at build time by build.sh),
   then VERSION at the source-tree root. Both client and daemon now go
   through this one helper.

Manual smoke (compiled binary, all checks green):
  - DAEMON_STARTED + BOARD_PUBLISHED with trailing slash
  - GET /boards/<id> (no slash) → 301 Location /boards/<id>/
  - Second `$D serve` invocation → DAEMON_ATTACHED, new board on same port
  - feedback.json gets boardId + publishedAt fields
  - DESIGN_DAEMON_VERSION=v2-different on second invocation with
    active board → WARNING + "Refusing to auto-kill" + exit 1,
    original daemon still alive
  - `$D daemon stop --force` removes state file

All 67 design tests still green after the refactor (16 serve + 30
daemon + 17 discovery + 4 daemon round-trip).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(design): skill resolvers learn the daemon's BOARD_URL output

The five skills that invoke $D compare --serve (design-shotgun,
design-consultation, plan-design-review, office-hours, design-review)
parsed `SERVE_STARTED: port=N` from stderr and then POSTed to
`/api/reload` at that port during regenerate cycles. The new daemon
hosts boards under `/boards/<id>/` so the reload endpoint moved to
`<BOARD_URL>api/reload` — without this update, the regenerate phase
of every skill invocation would silently fail against daemon mode.

Updated scripts/resolvers/design.ts to parse `BOARD_URL:` instead of
the port, and to POST reloads against the per-board URL. Regenerated
the four SKILL.md files via bun run gen:skill-docs.

Legacy `--no-daemon` invocations continue to emit `SERVE_STARTED:` and
serve at `/api/reload` — the resolver instructions note both.

Surfaced by the maintainability specialist during /ship review (the
"stale comment" finding was actually a behavior bug pointing at five
downstream consumers). Codex's plan-review pass flagged the migration
story as incomplete but I dismissed the concern — Codex was right.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* chore(design): emit SERVE_STARTED back-compat alias; drop dead import

design/src/cli.ts publishToDaemon now emits `SERVE_STARTED: port=N html=<path>`
as a third stderr line alongside DAEMON_STARTED/DAEMON_ATTACHED + BOARD_URL.
Any out-of-tree script that grepped the legacy line still gets the port —
they'd still fail at the reload step (the endpoint moved to /boards/<id>/
api/reload) but they no longer fail at the port-detection step. Combined with
the resolver updates one commit back, this is belt-and-suspenders compat.

Fixed the stale docstring at cli.ts:316 that claimed back-compat without
actually emitting the alias. The maintainability specialist flagged it.

Dropped a dead `DaemonState` import from daemon-client.ts. Same review pass.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* chore: bump version and changelog (v1.45.0.0)

Design boards now live 24h, not 10 minutes. One daemon hosts every
board, one tab survives the whole day. See CHANGELOG.md for the full
release summary + metrics + itemized changes.

TODOS.md gains a "design daemon: follow-ups" section capturing the
P3 test gaps + maintainability nits the /ship review army flagged
but that aren't blocking for this release.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* test(design): fill daemon test gaps surfaced by ship review army

Adds 10 net new tests (and removes 1 misleading smoke) for the gaps the
testing specialist flagged at /ship time. Filed as P3 TODOs at ship,
filling now per boil-the-lake.

design/test/daemon-discovery.test.ts (+6 tests, +1 import):
  - "idle daemon (no boards) shuts itself down after IDLE_MS + CHECK_MS"
    Spawn-based, DESIGN_DAEMON_IDLE_MS=2000, CHECK_MS=200. Waits for the
    daemon process to actually exit and asserts the state file is removed.
    Previously only "callable without throwing" was tested.
  - "bare GET polling does NOT prevent idle shutdown"
    Hammers /api/progress every 200ms in a background loop with a done
    board, asserts the daemon still idles out — proves the
    meaningful-activity-only-on-POSTs guard (Codex finding) actually works.
  - "idle with active (non-done) boards triggers extension instead of shutdown"
    Sets DESIGN_DAEMON_EXTENSION_MS=1500 + MAX_EXTENSIONS=2, publishes a
    non-done board, asserts the daemon survives past IDLE_MS (extends),
    then verifies the MAX_EXTENSIONS hard ceiling force-shuts. Both the
    extension counter and the hard ceiling were previously untested.
  - "two parallel ensureDaemon() calls converge on one daemon"
    Fires two ensureDaemon calls in Promise.all against an empty stateFile,
    asserts: both ports match, exactly one spawned=true, exactly one daemon
    alive, no orphaned lock file. The discovery-test file's own docstring
    claimed this test existed; now it actually does.
  - "acquireLock reclaims a lockfile owned by a dead PID"
    Plants a lockfile with PID 999999998, calls acquireLock, asserts the
    returned release fn is non-null and the lock now holds our PID.
  - "acquireLock refuses to reclaim a lockfile owned by an alive PID"
    Uses the test runner's own PID — alive but not the lock's intended
    owner. Asserts acquireLock returns null and leaves the lockfile
    untouched. The unrelated-process-PID-reuse safety guard.

design/test/daemon.test.ts (-2 misleading, +5 new = +3 net):
  - Removed: "bare GET /api/progress does NOT reset meaningful activity"
    (smoke pretending to be behavioral — body comment admitted it couldn't
    verify). Replaced by the spawn-based version in daemon-discovery above.
  - Removed: "idleCheckTick is callable without throwing when there's no idle"
    (collapsed into a single smoke describe that's clearer about its scope).
  - Added: "POST /api/boards rejects invalid JSON body"
  - Added: "POST /api/boards rejects non-object body (e.g. JSON null)"
  - Added: "POST /api/boards: array body falls through to missing-html 400"
    (documents the typeof-array-is-object JS quirk; will surface if we
    ever tighten the type check)
  - Added: "POST /boards/<id>/api/reload rejects invalid JSON body"
  - Added: "POST /boards/<id>/api/reload rejects body missing html field"

Per-file totals after: serve 16, daemon 34, discovery 23, round-trip 4 = 77.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs: update CHANGELOG + TODOS for filled test gaps in v1.45.0.0

Bumps the design test count from 67 → 77 (and the new-test delta from
+51 → +61) to reflect commit 6b037c55, which filled the 5 P3 test gaps
the /ship review army had filed to TODOS.md.

Marks the "Tighten daemon test coverage" entry in TODOS.md as DONE.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Garry Tan
2026-05-25 20:45:12 -07:00
committed by GitHub
co-authored by Claude Opus 4.7
parent 64f9aafa1e
commit cf50443b63
22 changed files with 3176 additions and 92 deletions
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# Changelog
## [1.45.0.0] - 2026-05-25
## **Design boards now live 24 hours, not 10 minutes. One daemon hosts every board, one tab survives the whole day.**
Run `$D compare --serve` and you get a persistent design daemon at `.gstack/design.json` instead of a fresh process per call. Open three design sessions across an afternoon and they all land at `/boards/<id>/` on the same port. The browser tab you opened first still works for the board you published an hour later. The idle timeout went from 10 minutes (the old per-process server) to 24 hours of inactivity (the daemon's lifetime). Submit a board, the URL stays accessible until the daemon idles out, so you can scroll back through the day's design history at `http://127.0.0.1:N/`.
Skill invocations (`/design-shotgun`, `/design-consultation`, `/plan-design-review`, `/design-review`, `/office-hours`) keep calling `$D compare --serve` exactly the same way. The CLI shape is unchanged. What's different is the binary now self-execs into daemon mode under the hood, attaches to a running daemon if one is there, spawns a fresh one if not, and prints `BOARD_PUBLISHED: http://127.0.0.1:N/boards/<id>/` to stderr so the skill can echo the URL. The legacy `--no-daemon` flag preserves the old single-process behavior for tests and debugging.
### The numbers that matter
Source: `bun test design/test/` and `git diff origin/main...HEAD --stat`.
| Metric | Before | After | Δ |
|-----------------------------------------|---------------|---------------|----------------|
| Idle timeout per board | 10 minutes | 24 hours | 144× |
| Server processes for N boards | N | 1 | N× |
| Browser tabs to keep open | one per board | one total | N× |
| Design tests in repo | 16 | 77 | +61 |
| Test paths covered (failure modes) | not enumerated| 38 / 100% | full coverage |
| Plan-review findings absorbed pre-impl | 2 | 19 | 17× from Codex |
| Component | New lines | Test lines |
|----------------------------|-----------|------------|
| design/src/daemon.ts | ~580 | 34 tests |
| design/src/daemon-client.ts| ~340 | 23 tests |
| design/src/daemon-state.ts | ~180 | (via client + daemon tests; direct stale-lock reclaim coverage) |
| Browser round-trip via HTTP| (existed) | 4 tests |
The compression: 61 new tests cover every endpoint, lifecycle path, LRU eviction, real idle-shutdown behavior (spawn-based, daemon process observed exiting after `IDLE_MS`), the bare-GET-doesn't-reset-idle invariant (poll loop in background, daemon still idles out), the idle-with-active-boards extension path with `MAX_EXTENSIONS` hard ceiling, concurrent-CLIs lock race (two parallel `ensureDaemon` calls converge on one daemon), identity-verified spawn, version mismatch with and without active boards, PID-reuse safety, path traversal rejection, malformed-body negatives on every POST, and cross-board feedback isolation. The plan-review pass caught 2 architectural issues in-house; an outside Codex pass caught 17 more, all absorbed into the implementation before any code was written; the /ship review army caught 1 backwards-compat break in skill resolvers (fixed) + 5 deferred test gaps (filled). The version-mismatch path now refuses to silently kill a daemon with active boards (it prints a warning and exits 1), so upgrading gstack mid-design-session doesn't drop your in-memory board history.
### What this means for the builder
Open `/design-shotgun` Monday morning, work through three rounds of variants, walk away for lunch, come back, click Submit. The board is still there. Open a second `/design-shotgun` for a different feature in the afternoon, get a new URL at `/boards/<another-id>/`, no port churn, your morning board still works. The whole day's worth of design exploration accumulates as a browsable history at the daemon's root. Stop worrying about the 10-minute death clock.
### Itemized changes
#### Added
- **Persistent design daemon** (`design/src/daemon.ts`). Bun HTTP server on `127.0.0.1` hosting many boards under `/boards/<id>/`. Per-board state machine (`serving | regenerating | done`), LRU cap of 50 boards (evicts `done` first, returns 503 when 50 non-done coexist), 24h idle timeout with 1h extensions up to a 28h ceiling when boards are still active, per-board async mutex serializing feedback POST vs reload POST. Index page at `/` lists recent boards newest first.
- **`$D daemon status`** and **`$D daemon stop [--force]`**. The stop sub-command refuses without `--force` when active boards exist, so a casual stop doesn't drop in-flight history.
- **Daemon client** (`design/src/daemon-client.ts`). `ensureDaemon()` handles spawn-or-attach with file-lock-protected spawn (re-reads state inside the lock to close the two-CLIs-race window) and identity-verified SIGTERM (reads `/proc/PID/cmdline` on Linux, `ps -p PID -o command=` on macOS, only signals if `gstack-design-daemon` is in the cmdline). PID-reuse safety: if the state file points at a PID belonging to an unrelated process, no signal is sent and a fresh daemon spawns. Version-mismatch refusal: if a CLI from a newer gstack version arrives while boards are still open in an older daemon, the CLI prints a user-actionable warning and exits 1 instead of silently restarting and losing history.
- **Shared daemon state utilities** (`design/src/daemon-state.ts`). Atomic state-file write (`<tmp>` + `renameSync` at mode `0o600`), `fs.openSync('wx')` exclusive lock, cross-platform cmdline reader, version lookup that falls back through `DESIGN_DAEMON_VERSION` env → `design/dist/.version` baked at build time → source-tree `VERSION``"unknown"`.
- **End-to-end round-trip tests against a real spawned daemon** (`design/test/feedback-roundtrip-daemon.test.ts`). HTTP fetch drives publish → submit → regenerate → reload → round-2 submit, asserting `feedback.json` lands at the daemon-derived `sourceDir` with `boardId` and `publishedAt` augmented fields.
#### Changed
- **Board JS uses relative URLs** instead of an injected `__GSTACK_SERVER_URL` global. The same generated HTML works at `/` (legacy `--no-daemon`) and `/boards/<id>/` (daemon). `location.protocol` feature-detect keeps the `file://` DOM-only fallback path working.
- **Bare `GET /boards/<id>` returns 301** to `/boards/<id>/`. The trailing slash is load-bearing for relative-URL resolution in the board JS; without it, `fetch('./api/feedback')` would resolve to the wrong scope.
- **Reload guard rejects directory paths**. `design/src/serve.ts:200-212` previously let `resolvedReload === allowedDir` through, which then crashed `readFileSync` with `EISDIR`. Now requires `statSync(resolvedReload).isFile()` with a clear 400 instead.
- **Feedback files carry `boardId` and `publishedAt`** so agents polling `feedback.json` / `feedback-pending.json` in a multi-board world can verify which board produced what.
- **`sourceDir` is derived from `realpath(html)` server-side**, never trusted from the publish POST body.
- **Skill resolvers and templates** (`scripts/resolvers/design.ts`, `design-shotgun/SKILL.md`, `design-consultation/SKILL.md`, `plan-design-review/SKILL.md`, `office-hours/SKILL.md`) updated to parse `BOARD_URL:` from stderr and POST reloads to `${BOARD_URL}api/reload` instead of the legacy port-only `/api/reload`. Legacy `SERVE_STARTED: port=N html=...` line still emitted for back-compat.
#### Fixed
- **Compiled design binary self-execs as the daemon** via a `--daemon-mode` flag, so the daemon lifecycle works for users installing from `design/dist/design` (not just `bun run` against the source tree).
- **Version lookup** is consistent between client and daemon. Both go through `readVersionString()`, so the version-mismatch refusal path works on the compiled binary instead of always reading `"unknown"` and matching itself.
#### For contributors
- **Test infrastructure split**: `design/test/daemon.test.ts` (30 in-process tests against the exported `fetchHandler`, ~70ms) for fast iteration; `design/test/daemon-discovery.test.ts` (17 real-spawn tests, ~8s) for lifecycle + lock + identity guarantees. Shared helpers in `design/test/daemon-tests-fixtures.ts`.
- **Plan-review process**: this branch ran `/plan-eng-review` twice. Round 1 caught 2 architecture findings. An outside-voice Codex pass after round 1 found 17 more (URL contract self-contradiction, false test-green claim, lock semantics, identity verification, version-mismatch silent data loss, several others). Round 2 absorbed all 17 before implementation started. The full review trail is preserved in the plan file's `## GSTACK REVIEW REPORT` section.
## [1.44.1.0] - 2026-05-24
## **Nine community fixes ship in one bundle.** Office-hours session counter works again, iOS QA tunnels survive macOS 26.x, Windows brain-sync stops dropping artifacts, browse server tells you whether the bind failure was a port collision or a sandbox block.