perf(planning): restore the integrated benchmark gate

Reduce objective evaluation and calendar allocation work while preserving planner outcomes and deterministic explanations. Restore required benchmark gating and record the unchanged protocol, differential checks, and browser evidence for #78.

.gitea/workflows/ci.yml

@@ -76,8 +76,6 @@ jobs:
         name: benchmark
         runs-on: ubuntu-latest
         container: node:24.21.0
-        # shortcut: advisory while #78 is open; restore the gate after the protocol passes.
-        continue-on-error: true
         env:
             NODE_OPTIONS: --max-old-space-size=2048
         steps:
@@ -148,7 +146,7 @@ jobs:
 
     images:
         name: images
-        needs: [policy, validate, test, build, security]
+        needs: [policy, validate, test, benchmark, build, security]
         if: >-
             success() &&
             (github.event_name == 'push' ||
@@ -192,17 +190,17 @@ jobs:
     required:
         name: required
         if: ${{ always() }}
-        needs: [policy, validate, test, build, security, images]
+        needs: [policy, validate, test, benchmark, build, security, images]
         runs-on: ubuntu-latest
         container: node:24.21.0
         env:
-            CHECK_RESULTS: ${{ needs.policy.result }} ${{ needs.validate.result }} ${{ needs.test.result }} ${{ needs.build.result }} ${{ needs.security.result }}
+            CHECK_RESULTS: ${{ needs.policy.result }} ${{ needs.validate.result }} ${{ needs.test.result }} ${{ needs.benchmark.result }} ${{ needs.build.result }} ${{ needs.security.result }}
             IMAGE_RESULT: ${{ needs.images.result }}
             IMAGE_EXPECTED: ${{ github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository) }}
         steps:
             - name: Require successful validation and expected publication
               run: |
-                  test "$CHECK_RESULTS" = 'success success success success success'
+                  test "$CHECK_RESULTS" = 'success success success success success success' || exit 1
                   if [ "$IMAGE_EXPECTED" = 'true' ]; then
                       test "$IMAGE_RESULT" = 'success'
                   else