refactor: 빌드 로직 개선, gradle 파일 경량화

.github/workflows/ci-quality-gates.yml

@@ -51,11 +51,6 @@ jobs:
       - name: Run the pull-request gate
         working-directory: src
         run: ./gradlew :ci :verifyPublicPathSnapshot :verifyDependencyLocks --warning-mode=fail --stacktrace
-      # build-logic is an included build: its own suite is not reachable from the root project's
-      # `check`, so the convention plugins every leaf applies would otherwise ship untested.
-      - name: Test the build-logic convention plugins
-        working-directory: src
-        run: ./gradlew -p build-logic test --stacktrace
       # Named as its own step because nothing else runs it: `check` does not depend on
       # graphqlStableTest, so the lane's required-class guard — the check that its module-boundary
       # suite has not silently stopped being discovered — would protect nothing in CI.
@@ -66,6 +61,17 @@ jobs:
         working-directory: src
         run: ./gradlew :conditionalTransportQualification --stacktrace
 
+  build-logic:
+    # Included-build tests are independent of the main project task graph. Running them as a
+    # separate blocking job keeps plugin TestKit work off the quality-gates critical path.
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # actions/checkout@v4.2.2
+      - uses: ./.github/actions/setup-gradle-java
+      - name: Test the build-logic convention plugins
+        working-directory: src
+        run: ./gradlew -p build-logic test --stacktrace
+
   redis-sdk:
     # Milestone A of the Redis wrapper/typed API plan: policy catalog, typed API parity, permit
     # provenance, connection isolation, and the executor guard. There is no real-server lane yet.
@@ -149,6 +155,7 @@ jobs:
   release-gate:
     needs:
       - quality-gates
+      - build-logic
       - redis-sdk
       - jpa-candidate-evidence
       - optional-platforms
@@ -161,6 +168,7 @@ jobs:
       - name: Require every current blocking job to succeed
         env:
           QUALITY_RESULT: ${{ needs.quality-gates.result }}
+          BUILD_LOGIC_RESULT: ${{ needs.build-logic.result }}
           REDIS_RESULT: ${{ needs.redis-sdk.result }}
           JPA_CANDIDATE_RESULT: ${{ needs.jpa-candidate-evidence.result }}
           OPTIONAL_PLATFORMS_RESULT: ${{ needs.optional-platforms.result }}
@@ -169,6 +177,7 @@ jobs:
           set -euo pipefail
           for result in \
             "${QUALITY_RESULT}" \
+            "${BUILD_LOGIC_RESULT}" \
             "${REDIS_RESULT}" \
             "${JPA_CANDIDATE_RESULT}" \
             "${OPTIONAL_PLATFORMS_RESULT}" \