chore: import upstream snapshot with attribution

.github/workflows/cache-integration-tests.yml

@@ -0,0 +1,133 @@
+name: Cache Integration Tests
+
+on:
+  pull_request:
+    branches:
+      - main
+      - dev
+      - dev-staging
+      - release/*
+    paths:
+      - 'packages/api/src/cache/**'
+      - 'packages/api/src/cluster/**'
+      - 'packages/api/src/mcp/**'
+      - 'packages/api/src/stream/**'
+      - 'redis-config/**'
+      - '.github/workflows/cache-integration-tests.yml'
+
+permissions:
+  contents: read
+
+jobs:
+  cache_integration_tests:
+    name: Integration Tests that use actual Redis Cache
+    timeout-minutes: 30
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Use Node.js 24.16.0
+        uses: actions/setup-node@v4
+        with:
+          node-version: '24.16.0'
+
+      - name: Install Redis tools
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y redis-server redis-tools
+
+      - name: Start Single Redis Instance
+        run: |
+          redis-server --daemonize yes --port 6379
+          sleep 2
+          # Verify single Redis is running
+          redis-cli -p 6379 ping || exit 1
+
+      - name: Start Redis Cluster
+        working-directory: redis-config
+        run: |
+          chmod +x start-cluster.sh stop-cluster.sh
+          ./start-cluster.sh
+          sleep 10
+          # Verify cluster is running
+          redis-cli -p 7001 cluster info || exit 1
+          redis-cli -p 7002 cluster info || exit 1
+          redis-cli -p 7003 cluster info || exit 1
+
+      - name: Restore node_modules cache
+        id: cache-node-modules
+        uses: actions/cache@v4
+        with:
+          path: |
+            node_modules
+            api/node_modules
+            packages/api/node_modules
+            packages/data-provider/node_modules
+            packages/data-schemas/node_modules
+          key: node-modules-backend-${{ runner.os }}-24.16.0-${{ hashFiles('package-lock.json') }}
+
+      - name: Install dependencies
+        if: steps.cache-node-modules.outputs.cache-hit != 'true'
+        run: npm ci
+
+      - name: Restore data-provider build cache
+        id: cache-data-provider
+        uses: actions/cache@v4
+        with:
+          path: packages/data-provider/dist
+          key: build-data-provider-${{ runner.os }}-${{ hashFiles('packages/data-provider/src/**', 'packages/data-provider/tsconfig*.json', 'packages/data-provider/tsdown.config.mjs', 'packages/data-provider/package.json') }}
+
+      - name: Build data-provider
+        if: steps.cache-data-provider.outputs.cache-hit != 'true'
+        run: npm run build:data-provider
+
+      - name: Restore data-schemas build cache
+        id: cache-data-schemas
+        uses: actions/cache@v4
+        with:
+          path: packages/data-schemas/dist
+          key: build-data-schemas-${{ runner.os }}-${{ hashFiles('packages/data-schemas/src/**', 'packages/data-schemas/tsconfig*.json', 'packages/data-schemas/tsdown.config.mjs', 'packages/data-schemas/package.json', 'packages/data-provider/src/**', 'packages/data-provider/tsconfig*.json', 'packages/data-provider/tsdown.config.mjs', 'packages/data-provider/package.json') }}
+
+      - name: Build data-schemas
+        if: steps.cache-data-schemas.outputs.cache-hit != 'true'
+        run: npm run build:data-schemas
+
+      - name: Restore api build cache
+        id: cache-api
+        uses: actions/cache@v4
+        with:
+          path: packages/api/dist
+          key: build-api-${{ runner.os }}-${{ hashFiles('packages/api/src/**', 'packages/api/tsconfig*.json', 'packages/api/tsdown.config.mjs', 'packages/api/package.json', 'packages/data-provider/src/**', 'packages/data-provider/tsconfig*.json', 'packages/data-provider/tsdown.config.mjs', 'packages/data-provider/package.json', 'packages/data-schemas/src/**', 'packages/data-schemas/tsconfig*.json', 'packages/data-schemas/tsdown.config.mjs', 'packages/data-schemas/package.json') }}
+
+      - name: Build api
+        if: steps.cache-api.outputs.cache-hit != 'true'
+        run: npm run build:api
+
+      - name: Run all cache integration tests (Single Redis Node)
+        working-directory: packages/api
+        env:
+          NODE_ENV: test
+          USE_REDIS: true
+          USE_REDIS_CLUSTER: false
+          REDIS_URI: redis://127.0.0.1:6379
+        run: npm run test:cache-integration
+
+      - name: Run all cache integration tests (Redis Cluster)
+        working-directory: packages/api
+        env:
+          NODE_ENV: test
+          USE_REDIS: true
+          USE_REDIS_CLUSTER: true
+          REDIS_URI: redis://127.0.0.1:7001,redis://127.0.0.1:7002,redis://127.0.0.1:7003
+        run: npm run test:cache-integration
+
+      - name: Stop Redis Cluster
+        if: always()
+        working-directory: redis-config
+        run: ./stop-cluster.sh || true
+
+      - name: Stop Single Redis Instance
+        if: always()
+        run: redis-cli -p 6379 shutdown || true