chore: Remove integration tests to speed up CI

Remove JetStream and NATS EventBus integration tests that required
a running NATS server. Only unit tests remain for faster feedback.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitea/workflows/ci.yaml

@@ -17,37 +17,3 @@ jobs:
         run: go build ./...
       - name: Test
         run: go test ./...
-
-  integration:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
-        with:
-          go-version: '1.23'
-      - name: Install and Start NATS Server
-        run: |
-          # Detect architecture and download appropriate binary
-          ARCH=$(uname -m)
-          if [ "$ARCH" = "x86_64" ]; then
-            NATS_ARCH="amd64"
-          elif [ "$ARCH" = "aarch64" ] || [ "$ARCH" = "arm64" ]; then
-            NATS_ARCH="arm64"
-          else
-            echo "Unsupported architecture: $ARCH"
-            exit 1
-          fi
-          echo "Detected architecture: $ARCH, using NATS binary: $NATS_ARCH"
-
-          # Download and extract nats-server
-          curl -L "https://github.com/nats-io/nats-server/releases/download/v2.10.24/nats-server-v2.10.24-linux-${NATS_ARCH}.tar.gz" -o nats-server.tar.gz
-          tar -xzf nats-server.tar.gz
-
-          # Start NATS with JetStream
-          ./nats-server-v2.10.24-linux-${NATS_ARCH}/nats-server -js -p 4222 &
-
-          # Wait for NATS to be ready
-          sleep 3
-          ./nats-server-v2.10.24-linux-${NATS_ARCH}/nats-server --version
-      - name: Run Integration Tests
-        run: go test -tags=integration -v ./...