Add packages path detection to CI pipeline

packages/* changes now set a dedicated `packages` output flag in
detect-changes, rather than falling through to OTHER. Also classify
ci/* as infra. Prepares the test-runners gate condition for v0.7.5.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/ci.yaml

@@ -7,9 +7,10 @@
 #
 # Pipeline:
 #   0.  Detect changes (path-based gating for all downstream jobs)
-#   1a. Frontend tests   — skipped if only BE/docs changed
+#   1a. Frontend tests   — skipped if only BE/docs/packages changed
 #   1b. Go unit tests    — all non-DB packages + SQLite integration (race-enabled)
 #   1c. Go test (PG)     — PG store + handlers against Postgres (race-enabled)
+#   1d. Test runners     — disabled until v0.7.5 (Playwright headless fix)
 #   2.  Build + Deploy   — skipped if docs-only change
 #
 # Test coverage mapping (no package tested by zero jobs):
@@ -23,7 +24,9 @@
 # Path gating rules:
 #   src/, src/editor/          → frontend tests
 #   server/, scripts/db-*      → backend tests (PG + SQLite)
+#   packages/                  → test-runners (surface/extension tests)
 #   Dockerfile*, k8s/, .gitea/ → all tests (infra change)
+#   ci/                        → infra (CI scripts)
 #   docs/, *.md                → skip all tests + deploy
 #   VERSION, scripts/*         → frontend + backend tests
 #   Tags (v*)                  → always full pipeline
@@ -100,6 +103,7 @@ jobs:
     outputs:
       frontend: ${{ steps.filter.outputs.frontend }}
       backend:  ${{ steps.filter.outputs.backend }}
+      packages: ${{ steps.filter.outputs.packages }}
       infra:    ${{ steps.filter.outputs.infra }}
       docs_only: ${{ steps.filter.outputs.docs_only }}
     steps:
@@ -137,7 +141,7 @@ jobs:
           echo "${CHANGED}" | sed 's/^/  /'
 
           # Classify
-          FE=false; BE=false; INFRA=false; DOCS=false; OTHER=false
+          FE=false; BE=false; PKG=false; INFRA=false; DOCS=false; OTHER=false
           while IFS= read -r file; do
             [[ -z "$file" ]] && continue
             case "$file" in
@@ -145,19 +149,23 @@ jobs:
                 FE=true ;;
               server/*|scripts/db-*)
                 BE=true ;;
+              packages/*)
+                PKG=true ;;
               .gitea/*|k8s/*|Dockerfile*|docker-compose*|docker-entrypoint*|nginx.conf)
                 INFRA=true ;;
               docs/*|*.md|CHANGELOG.md|LICENSE)
                 DOCS=true ;;
               VERSION|scripts/*)
                 FE=true; BE=true ;;
+              ci/*)
+                INFRA=true ;;
               *)
                 OTHER=true ;;
             esac
           done <<< "${CHANGED}"
 
           # Docs-only: only docs changed, nothing else
-          if [[ "$DOCS" == "true" && "$FE" == "false" && "$BE" == "false" && "$INFRA" == "false" && "$OTHER" == "false" ]]; then
+          if [[ "$DOCS" == "true" && "$FE" == "false" && "$BE" == "false" && "$PKG" == "false" && "$INFRA" == "false" && "$OTHER" == "false" ]]; then
             DOCS_ONLY=true
           else
             DOCS_ONLY=false
@@ -165,6 +173,7 @@ jobs:
 
           echo "frontend=${FE}"        >> "$GITHUB_OUTPUT"
           echo "backend=${BE}"         >> "$GITHUB_OUTPUT"
+          echo "packages=${PKG}"       >> "$GITHUB_OUTPUT"
           echo "infra=${INFRA}"        >> "$GITHUB_OUTPUT"
           echo "docs_only=${DOCS_ONLY}" >> "$GITHUB_OUTPUT"
 
@@ -172,6 +181,7 @@ jobs:
           echo "━━━ Change Detection ━━━"
           echo "  frontend:  ${FE}"
           echo "  backend:   ${BE}"
+          echo "  packages:  ${PKG}"
           echo "  infra:     ${INFRA}"
           echo "  docs_only: ${DOCS_ONLY}"
 
@@ -375,12 +385,13 @@ jobs:
   # test-runners surface after deploy until this is resolved.
   # See: docker-compose.ci.yml, ci/surface-test-driver.js
   #
-  # Runs when: backend or frontend changed (runners test both tiers).
+  # Runs when: backend, frontend, or packages changed (runners test all tiers).
   # Skipped when: only docs changed.
   test-runners:
     runs-on: ubuntu-latest
     needs: [detect-changes]
-    if: false  # disabled — see comment above
+    if: false  # disabled — see comment above. Condition for v0.7.5:
+    # needs.detect-changes.outputs.backend == 'true' || needs.detect-changes.outputs.frontend == 'true' || needs.detect-changes.outputs.packages == 'true' || needs.detect-changes.outputs.infra == 'true'
     steps:
       - name: Checkout
         uses: actions/checkout@v4