perf: speed up unit tests and streamline checks

.github/workflows/package-smoke.yml

@@ -0,0 +1,63 @@
+name: Package Smoke
+
+on:
+  pull_request:
+    paths:
+      - 'package.json'
+      - 'pnpm-lock.yaml'
+      - 'tsdown.config.ts'
+      - 'scripts/build-android-helper.sh'
+      - 'scripts/build-xcuitest-apple.sh'
+      - 'scripts/package-android-helper.sh'
+      - 'scripts/package-apple-runner-source.mjs'
+      - 'scripts/patch-xcuitest-runner-icon.ts'
+      - 'scripts/sync-mcp-metadata.mjs'
+      - 'scripts/write-xcuitest-cache-metadata.mjs'
+      - 'apple/macos-helper/**'
+      - 'apple/runner/**'
+      - 'android/ime-helper/**'
+      - 'android/snapshot-helper/**'
+      - '.github/actions/setup-node-pnpm/**'
+      - '.github/workflows/package-smoke.yml'
+  push:
+    branches:
+      - main
+    paths:
+      - 'package.json'
+      - 'pnpm-lock.yaml'
+      - 'tsdown.config.ts'
+      - 'scripts/build-android-helper.sh'
+      - 'scripts/build-xcuitest-apple.sh'
+      - 'scripts/package-android-helper.sh'
+      - 'scripts/package-apple-runner-source.mjs'
+      - 'scripts/patch-xcuitest-runner-icon.ts'
+      - 'scripts/sync-mcp-metadata.mjs'
+      - 'scripts/write-xcuitest-cache-metadata.mjs'
+      - 'apple/macos-helper/**'
+      - 'apple/runner/**'
+      - 'android/ime-helper/**'
+      - 'android/snapshot-helper/**'
+      - '.github/actions/setup-node-pnpm/**'
+      - '.github/workflows/package-smoke.yml'
+
+permissions:
+  contents: read
+
+concurrency:
+  group: package-smoke-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  package:
+    name: Build npm package
+    runs-on: macos-26
+    timeout-minutes: 30
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - name: Setup toolchain
+        uses: ./.github/actions/setup-node-pnpm
+
+      - name: Build complete npm package
+        run: pnpm prepack

.github/workflows/perf-nightly.yml

@@ -68,8 +68,7 @@ jobs:
 
       - name: Run iOS command perf benchmark
         run: |
-          pnpm perf \
-            --platform ios \
+          pnpm perf --platform ios \
             --device "iPhone 17 Pro" \
             --n "$PERF_ROUNDS" --warmup 1 \
             --out-dir "$GITHUB_WORKSPACE/perf-results"
@@ -112,7 +111,7 @@ jobs:
             adb -s emulator-5554 shell settings put global window_animation_scale 0 || true;
             adb -s emulator-5554 shell settings put global transition_animation_scale 0 || true;
             adb -s emulator-5554 shell settings put global animator_duration_scale 0 || true;
-            pnpm perf:android --serial emulator-5554 --n "$PERF_ROUNDS" --warmup 1 --out-dir "$GITHUB_WORKSPACE/perf-results"
+            pnpm perf --platform android --serial emulator-5554 --n "$PERF_ROUNDS" --warmup 1 --out-dir "$GITHUB_WORKSPACE/perf-results"
 
       - name: Upload Android perf report
         if: always()

.github/workflows/test-app-build-cache.yml

@@ -45,6 +45,9 @@ jobs:
       - name: Setup test app dependencies
         uses: ./.github/actions/setup-test-app-dependencies
 
+      - name: Typecheck test app
+        run: pnpm test-app:typecheck
+
       - name: Resolve native fingerprint
         id: fingerprint
         env:

AGENTS.md

@@ -41,8 +41,9 @@ prose in this repo, including this file.
   shipped before this rule.
 - Unreleased API surface dies free. Before treating a field as wire-compat, check
   `git tag --contains <commit>`; if it never shipped, delete it now.
-- Push only behind `&&`-chained gates: `format:check && typecheck && lint && vitest && git push`. A
-  push that can run after a failed gate eventually will.
+- Push only behind an `&&`-chained affected gate:
+  `pnpm check:affected --run && git push`. A push that can run after a failed gate eventually will;
+  GitHub remains authoritative for reported device/toolchain lanes.
 
 ## Derived registries — read the declaration site, not prose
 
@@ -159,9 +160,10 @@ one question so `rg` → read-whole-file stays one cheap bounded read.
   the only exclusion list is `.oxfmtrc.json` `ignorePatterns` — Markdown, the Maestro conformance
   corpus, and generated baselines. Run `pnpm format`, never `oxfmt <path>`: a path argument
   reformats a subset and hides whatever else drifted.
-- Before pushing, the aggregate is **`pnpm check`** (`check:tooling && check:fallow &&
-  check:unit`). `pnpm check:tooling` is a *subset*: it stops before the Fallow audit, so dead
-  exports and complexity findings your diff introduces still fail CI after it passes clean.
+- Before pushing, default to **`pnpm check:affected --run`**. It selects the relevant local gates and
+  reports native/device checks left to GitHub. Use **`pnpm check`**
+  (`check:tooling && check:fallow && check:unit`) for broad refactors or an explicitly requested full
+  deterministic core gate. Neither command claims to reproduce every GitHub job.
   Fallow's baselines are keyed by path, so a change that RENAMES a file must move that file's
   entry in `fallow-baselines/health.json` — regenerating the baselines would silently accept
   every other outstanding finding too.