ci: shard the Test job by package group (#4286)

* ci: shard the Test job by package group

* ci: keep support shard history for ratchet

.github/workflows/ci.yml

@@ -338,21 +338,13 @@ jobs:
       - run: bun run --filter '*' typecheck
       - run: bun run typecheck:scripts
 
-  test:
-    name: Test
-    needs: [changes, producer-source-tests]
-    # Keep the existing required `Test` context authoritative for producer
-    # failures too. The dedicated producer matrix remains parallel and legible,
-    # while this job fails closed if either lane fails or is cancelled.
-    if: always() && needs.changes.outputs.code == 'true'
+  test-studio:
+    name: Test (studio)
+    needs: changes
+    if: needs.changes.outputs.code == 'true'
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - name: Require producer source tests
-        if: needs.producer-source-tests.result != 'success'
-        run: |
-          echo "::error::Producer unit/integration tests did not succeed."
-          exit 1
       - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
         with:
           lfs: true
@@ -368,9 +360,51 @@ jobs:
       - run: bun run --filter '@hyperframes/{parsers,lint,studio-server}' build
       - run: bun run --cwd packages/core build
       - run: bun run --cwd packages/core build:hyperframes-runtime
-      # After the builds: the preview scripts drive the producer, which imports
-      # @hyperframes/core from dist, so running these first fails on a missing
-      # module rather than on anything the test is actually checking.
+      - run: bun run --cwd packages/studio test
+
+  test-runtime:
+    name: Test (runtime)
+    needs: changes
+    if: needs.changes.outputs.code == 'true'
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        with:
+          lfs: true
+      - uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
+        with:
+          node-version: 22
+      - uses: ./.github/actions/install-ffmpeg-linux
+      - uses: ./.github/actions/prepare-ffmpeg-bin
+      - run: bash scripts/ci/install-workspace-dependencies.sh
+      - run: bun run --filter '@hyperframes/{parsers,lint,studio-server}' build
+      - run: bun run --cwd packages/core build
+      - run: bun run --cwd packages/core build:hyperframes-runtime
+      - run: bun run --filter '@hyperframes/{cli,core,engine}' test
+
+  test-support:
+    name: Test (support)
+    needs: changes
+    if: needs.changes.outputs.code == 'true'
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        with:
+          lfs: true
+          fetch-depth: 0
+      - uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
+        with:
+          node-version: 22
+      - uses: ./.github/actions/install-ffmpeg-linux
+      - uses: ./.github/actions/prepare-ffmpeg-bin
+      - run: bash scripts/ci/install-workspace-dependencies.sh
+      - run: bun run --filter '@hyperframes/{parsers,lint,studio-server}' build
+      - run: bun run --cwd packages/core build
+      - run: bun run --cwd packages/core build:hyperframes-runtime
       - name: Install Chrome for catalog preview tests
         id: catalog-chrome
         uses: browser-actions/setup-chrome@c785b87e244131f27c9f19c1a33e2ead956ab7ce # v1
@@ -379,7 +413,28 @@ jobs:
       - run: bun run test:scripts
         env:
           HYPERFRAMES_BROWSER_PATH: ${{ steps.catalog-chrome.outputs.chrome-path }}
-      - run: bun run --filter '!@hyperframes/producer' test
+      - run: bun run --filter '@hyperframes/{lint,parsers,studio-server,sdk,player,aws-lambda,gcp-cloud-run,sdk-playground,shader-transitions}' test
+
+  test:
+    name: Test
+    needs: [changes, producer-source-tests, test-studio, test-runtime, test-support]
+    # Keep the existing required `Test` context authoritative for producer
+    # failures too. It also fails closed if any package shard fails or is cancelled.
+    if: always() && needs.changes.outputs.code == 'true'
+    runs-on: ubuntu-latest
+    timeout-minutes: 3
+    steps:
+      - name: Require producer source tests
+        if: needs.producer-source-tests.result != 'success'
+        run: |
+          echo "::error::Producer unit/integration tests did not succeed."
+          exit 1
+      - name: Require package test shards
+        if: needs.test-studio.result != 'success' || needs.test-runtime.result != 'success' || needs.test-support.result != 'success'
+        run: |
+          echo "::error::A package test shard did not succeed."
+          echo "studio=${{ needs.test-studio.result }} runtime=${{ needs.test-runtime.result }} support=${{ needs.test-support.result }}"
+          exit 1
 
   producer-source-tests:
     name: "Producer: ${{ matrix.lane }} tests"