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t
101 lines
4.1 KiB
Cheetah
101 lines
4.1 KiB
Cheetah
---
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name: ios-sync
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preamble-tier: 3
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version: 1.0.0
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description: |
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Regenerate the iOS debug bridge against the latest upstream gstack
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templates. Updates StateServer.swift, DebugOverlay.swift, Package.swift,
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and the typed @Observable state accessors. Use after you upgrade gstack
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or add new ViewModels/properties that need accessor coverage.
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Use when asked to "resync the iOS debug bridge", "regenerate iOS
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accessors", or "update the gstack iOS instrumentation". (gstack)
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voice-triggers:
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- "resync the iOS debug bridge"
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- "regenerate iOS accessors"
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- "update the gstack iOS instrumentation"
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allowed-tools:
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- Bash
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- Read
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- Write
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- Edit
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- Glob
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- Grep
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- AskUserQuestion
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triggers:
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- resync the ios debug bridge
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- regenerate ios accessors
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- update the gstack ios instrumentation
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---
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{{PREAMBLE}}
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# Resync the iOS debug bridge
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After `/ios-qa` is installed in an app, the user may:
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1. Add new `@Observable` classes or properties that need accessor coverage.
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2. Upgrade gstack to a newer version with hardening fixes.
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3. Move the `// @Snapshotable` generator marker comment to a different field.
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This skill regenerates the relevant artifacts in place.
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**Templates live in upstream gstack.** The installed
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`gstack-ios-qa-regen` launcher resolves its own gstack root and copies only
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the supported bridge files from `ios-qa/templates/`. The fork's HTTP-fetch
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and wildcard-copy patterns are gone.
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## Phase 1: Detect installed version
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1. Read `<app>/DebugBridgeGenerated/.gstack-version` (written by /ios-qa
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during install). If missing, treat the install as "unknown old version".
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2. Read upstream version from `$GSTACK_ROOT/VERSION`.
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3. If versions match AND no new `@Observable` classes were added, exit
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early with "already up to date".
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## Phase 2: Regenerate codegen output
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Run the deterministic regenerator once. `--app-source` is the directory the
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accessor scanner should inspect; `--bridge-dir` is the local Swift package
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that the app links in Debug builds:
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```bash
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~/.claude/skills/gstack/bin/gstack-ios-qa-regen \
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--app-source "$APP_SOURCE_DIR" \
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--bridge-dir "$APP_SOURCE_DIR/DebugBridge"
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```
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The command removes only the known obsolete generated files from the former
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flat `DebugBridgeGenerated/` layout before emitting the current accessor.
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Generation accepts file-scope observable classes and JSON-native scalar,
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array, String-keyed dictionary, and Optional field types. It rejects custom
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types, implicitly unwrapped Optionals, nested observable classes, and duplicate
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snapshot keys before writing a completion marker.
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The composite-hash cache key handles whether anything actually needs
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regenerating; if Swift version, generator git rev, lockfile, source content,
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and platform triple all match the cache, this is a ~50ms no-op.
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## Phase 3: Review the generated diff
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1. Review changes under `<app>/DebugBridge/` and
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`<app>/DebugBridgeGenerated/StateAccessor.swift`.
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2. Confirm the command did not modify the app's handwritten Swift files.
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3. Keep app-specific wiring in the app target; canonical bridge package files
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are regenerated from upstream and should not be hand-edited.
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## Phase 4: Verify
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1. `swift build` succeeds against the app's package.
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2. `xcodebuild -scheme <SchemeName>` succeeds.
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3. Re-launch the app on the device; daemon connects + rotates token.
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4. `GET /state/snapshot` returns the new accessor schema hash.
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## Failure modes
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| Symptom | Action |
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|---|---|
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| Swift compile fails after regen | Revert via `git restore` + AskUserQuestion: surface the compile error |
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| Codegen reports an invalid marked declaration | Use a file-scope observable class and a writable instance `var` with an explicit JSON-native type, internal/public setter, and a key unique across models; otherwise remove the `// @Snapshotable` marker. |
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| Schema hash unchanged after adding new @Observable | No field has the standalone `// @Snapshotable` marker comment — codegen excludes unmarked state correctly. Add the comment immediately above each field that should be snapshotted. |
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| Scanner sees generated bridge sources | Pass the narrow app source directory; the regenerator automatically excludes `DebugBridgeGenerated` and `StateAccessor.swift`. |
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