Merge remote-tracking branch 'origin/main' into garrytan/colombo-v3

Resolves VERSION conflict (kept 1.43.0.0 — already ahead of main's
1.42.2.0 browse launch hardening wave). Picks up main's
browser-manager + server hardening cleanly (no conflicts there).

Also strips "device farm" / "DIY device farm" framing from the iOS
docs per Garry's direction. This isn't a device farm — it's full iOS
app QA, with agents able to control real iOS apps either locally over
USB or remotely over Tailscale.

Files touched in the farm sweep:
- CHANGELOG.md (1.43.0.0 entry headline + AGENTS subsection title)
- README.md (ios-qa row + gstack-ios-qa-daemon row)
- AGENTS.md (section header reframed to "iOS QA — drive real iPhones
  over USB or Tailscale")
- ios-qa/SKILL.md.tmpl + regenerated SKILL.md (description)
- ios-qa/docs/tailscale-acl-example.md (intro + sample ACL host name)
- docs/howto-ios-testing-with-gstack.md (intro + closing)
- docs/skills.md (section header + body)
- test/helpers/touchfiles.ts (touchfile comment)

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

README.md

@@ -229,7 +229,7 @@ Each skill feeds into the next. `/office-hours` writes a design doc that `/plan-
 | `/setup-gbrain` | **GBrain Onboarding** — from zero to running gbrain in under 5 minutes. PGLite local, Supabase existing URL, or auto-provision a new Supabase project via Management API. MCP registration for Claude Code + per-repo trust triad (read-write/read-only/deny). [Full guide](USING_GBRAIN_WITH_GSTACK.md). |
 | `/sync-gbrain` | **Keep Brain Current** — re-index this repo's code into gbrain via `gbrain sources add` + `gbrain sync --strategy code`, refresh the `## GBrain Search Guidance` block in CLAUDE.md, and auto-remove guidance when the capability check fails. `--incremental` (default), `--full`, `--dry-run`. Idempotent; safe to re-run. |
 | `/gstack-upgrade` | **Self-Updater** — upgrade gstack to latest. Detects global vs vendored install, syncs both, shows what changed. |
-| `/ios-qa` | **iOS Live-Device QA (v1.43.0.0+)** — drive a real iPhone over USB CoreDevice via an embedded `StateServer` in the app. Read Swift source, codegen typed `@Observable` accessors, run the agent loop. Optional `--tailnet` flag turns your Mac mini into a DIY device farm reachable by OpenClaw or any HTTP-capable agent on your Tailscale tailnet. Capability-tier allowlist (observe/interact/mutate/restore), per-device session lock, audit log. |
+| `/ios-qa` | **iOS Live-Device QA (v1.43.0.0+)** — drive a real iPhone over USB CoreDevice via an embedded `StateServer` in the app. Read Swift source, codegen typed `@Observable` accessors, run the agent loop. Optional `--tailnet` flag exposes the device to OpenClaw or any HTTP-capable agent on your Tailscale tailnet so remote agents can run iOS QA without ever touching the hardware. Capability-tier allowlist (observe/interact/mutate/restore), per-device session lock, audit log. |
 | `/ios-fix`, `/ios-design-review`, `/ios-clean`, `/ios-sync` | iOS bug-fix loop, designer's-eye HIG audit, debug-bridge cleanup, and accessor resync. See `docs/skills.md`. End-to-end walkthrough: [docs/howto-ios-testing-with-gstack.md](docs/howto-ios-testing-with-gstack.md). |
 
 ### New binaries (v0.19)
@@ -240,7 +240,7 @@ Beyond the slash-command skills, gstack ships standalone CLIs for workflows that
 |---------|-------------|
 | `gstack-model-benchmark` | **Cross-model benchmark** — run the same prompt through Claude, GPT (via Codex CLI), and Gemini; compare latency, tokens, cost, and (optionally) LLM-judge quality score. Auth detected per provider, unavailable providers skip cleanly. Output as table, JSON, or markdown. `--dry-run` validates flags + auth without spending API calls. |
 | `gstack-taste-update` | **Design taste learning** — writes approvals and rejections from `/design-shotgun` into a persistent per-project taste profile. Decays 5%/week. Feeds back into future variant generation so the system learns what you actually pick. |
-| `gstack-ios-qa-daemon` | **iOS device-farm daemon** — Mac-side broker between an agent and a connected iPhone over USB CoreDevice. Loopback by default; `--tailnet` opens a Tailscale-facing listener with identity-gated capability tiers. Single-instance via flock on `~/.gstack/ios-qa-daemon.pid`. See [docs/howto-ios-testing-with-gstack.md](docs/howto-ios-testing-with-gstack.md). |
+| `gstack-ios-qa-daemon` | **iOS QA daemon** — Mac-side broker between an agent and a connected iPhone over USB CoreDevice. Loopback by default; `--tailnet` opens a Tailscale-facing listener with identity-gated capability tiers. Single-instance via flock on `~/.gstack/ios-qa-daemon.pid`. See [docs/howto-ios-testing-with-gstack.md](docs/howto-ios-testing-with-gstack.md). |
 | `gstack-ios-qa-mint` | **iOS allowlist manager** — owner-grant CLI for the tailnet allowlist. `grant`/`revoke`/`list` against `~/.gstack/ios-qa-allowlist.json` (mode 0600). Remote agents never auto-allowlist; this is the explicit-intent path. |
 
 ### Continuous checkpoint mode (opt-in, local by default)