feat(ios): author 5 iOS device-farm skill templates + generated docs

Authors ios-qa, ios-fix, ios-design-review, ios-clean, ios-sync as upstream gstack skills. Each follows the standard SKILL.md.tmpl pattern with preamble-tier:3 frontmatter. The fork at time-attack/gstack shipped these but as byte-identical .md/.tmpl pairs that wouldn't pass skill-docs.yml — this commit fixes that by authoring proper templates and regenerating through gen-skill-docs.

ios-clean/SKILL.md.tmpl

@@ -0,0 +1,104 @@
+---
+name: ios-clean
+preamble-tier: 3
+version: 1.0.0
+description: |
+  Remove the DebugBridge SPM package and all #if DEBUG wiring from an iOS
+  app. Cleans up StateServer, DebugOverlay, accessor codegen output, and
+  app-side hooks installed by /ios-qa. This is a convenience wrapper —
+  the structural Release-build guard (Package.swift conditional + CI
+  swift build -c release check) is the safety-critical path.
+  Use when asked to "clean the iOS debug bridge", "remove DebugBridge",
+  or "strip the gstack iOS instrumentation". (gstack)
+voice-triggers:
+  - "clean the iOS debug bridge"
+  - "remove DebugBridge"
+  - "strip the gstack iOS instrumentation"
+allowed-tools:
+  - Bash
+  - Read
+  - Edit
+  - Glob
+  - Grep
+  - AskUserQuestion
+triggers:
+  - clean the ios debug bridge
+  - remove debugbridge
+  - strip the gstack ios instrumentation
+---
+
+{{PREAMBLE}}
+
+# Strip the DebugBridge from an iOS app
+
+This skill is a **convenience flow**, not a safety mechanism. The structural
+guard against shipping DebugBridge in Release is in `Package.swift.template`
+(`.when(configuration: .debug)`) plus the CI invariant test that runs
+`swift build -c release` and asserts the DebugBridge symbol is absent. Both
+ship as part of `/ios-qa`'s template installation.
+
+This skill exists for developers who:
+
+- Manually copied DebugBridge files (without using `/ios-qa`'s SPM install).
+- Want a guided, reversible removal flow before a security audit.
+- Are migrating away from gstack and want a clean exit.
+
+## What it removes
+
+Each item is reverted only after AskUserQuestion confirmation:
+
+1. The `DebugBridge` SPM target from `Package.swift`.
+2. The `#if DEBUG` block in the app's `@main` entry that calls
+   `DebugBridgeManager.shared.start()`.
+3. Any `@Snapshotable` property wrappers on the canonical app state struct
+   (the codegen-detection markers — the wrapper file lives inside
+   DebugBridge so removing the SPM dep removes the wrapper too).
+4. Generated `StateAccessor.swift` files anywhere under the app source.
+5. The `gstack-ios-qa.token` file under `NSTemporaryDirectory()` on the
+   device (best-effort — only works if device is connected when /ios-clean
+   runs).
+
+## What it does NOT touch
+
+- App business logic, view models, view code.
+- Anything outside `#if DEBUG` blocks.
+- Other test or QA infrastructure.
+
+## Phase 1: Inventory
+
+1. Glob for `import DebugBridge` across the app source.
+2. Glob for `#if DEBUG ... DebugBridgeManager` blocks.
+3. Glob for `// Auto-generated state accessor` headers in
+   `StateAccessor.swift` files.
+4. Parse `Package.swift` for the DebugBridge dependency entry.
+5. Show the user what's about to be removed (file list + line counts).
+   AskUserQuestion: proceed, dry-run, or abort.
+
+## Phase 2: Remove
+
+For each item the user approved:
+
+1. Use Edit tool to strip the import + the `#if DEBUG` block (keep the
+   surrounding code intact).
+2. Use Edit tool to remove the `.package(url:...DebugBridge...)` entry
+   from `Package.swift` and any `targets` referencing `"DebugBridge"`.
+3. Delete generated `StateAccessor.swift` files.
+4. Run `xcodebuild -scheme <SchemeName> -destination 'platform=iOS,id=<UDID>'
+   build install -configuration Release` to verify Release builds without
+   the bridge. If it fails on a missing DebugBridge symbol, the removal
+   was incomplete — STOP and report.
+
+## Phase 3: Verify
+
+1. `! grep -r "DebugBridge" <app-source-dir>` (no matches).
+2. `! grep -r "@Snapshotable" <app-source-dir>` (no matches).
+3. `swift build -c release` succeeds.
+4. `nm -j` on the built binary doesn't show DebugBridge symbols.
+
+Report the cleanup result + a one-line summary of what got removed.
+
+## Reversibility
+
+Every Edit + delete is a git operation; the user can `git restore` to undo.
+This skill never force-pushes, never amends, never deletes the SPM cache —
+those are user choices.