test: preserve quality and websocket evidence (#107)

Co-authored-by: Rogee <rogee@ipao.vip>

.github/workflows/ci.yml

@@ -43,6 +43,8 @@ jobs:
         run: deploy/docker/observability_test.sh
       - name: Test quality gate failure contracts
         working-directory: backend
+        env:
+          GOCHAT_QUALITY_DIR: ${{ github.workspace }}/backend/quality/sqlite/failure-injection
         run: python3 scripts/quality_gate_test.py
       - name: Test
         working-directory: backend
@@ -106,6 +108,15 @@ jobs:
           --health-interval 5s
           --health-timeout 5s
           --health-retries 5
+      redis:
+        image: redis:7.4.2-alpine@sha256:02419de7eddf55aa5bcf49efb74e88fa8d931b4d77c07eff8a6b2144472b6952
+        ports:
+          - 6379:6379
+        options: >-
+          --health-cmd "redis-cli ping"
+          --health-interval 5s
+          --health-timeout 5s
+          --health-retries 5
     steps:
       - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
       - uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5
@@ -242,6 +253,20 @@ jobs:
           if empty:
               raise SystemExit(f"required E2E suites ran no passing subtests: {', '.join(empty)}")
           PY
+      - name: Test multi-instance WebSocket fanout
+        working-directory: backend
+        env:
+          GOCHAT_MULTI_INSTANCE_E2E: "1"
+          GOCHAT_MULTI_INSTANCE_DATABASE_DSN: postgres://postgres:postgres@localhost:5432/gochat_test?sslmode=disable
+          GOCHAT_REDIS_DSN: redis://localhost:6379
+          GOCHAT_WS_E2E_EVIDENCE_DIR: ${{ github.workspace }}/backend/quality/postgres/websocket-multi-instance
+        run: |
+          set -euo pipefail
+          mkdir -p "$GOCHAT_WS_E2E_EVIDENCE_DIR"
+          go test -json -count=1 -timeout 2m ./tests/e2e -run '^TestWebSocketMultiInstanceFanout$' \
+            | tee "$GOCHAT_WS_E2E_EVIDENCE_DIR/test.jsonl"
+          grep -Eq '"Action":"pass".*"Test":"TestWebSocketMultiInstanceFanout"' \
+            "$GOCHAT_WS_E2E_EVIDENCE_DIR/test.jsonl"
       - name: Upload PostgreSQL quality evidence
         if: always()
         uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2