diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 9fb21813..9d851506 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -1,335 +1,348 @@
-name: CI/CD Pipeline
-
-on:
-  push:
-    branches: [master]
-  pull_request:
-    branches: [master]
-
-concurrency:
-  group: ci-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
-
-env:
-  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
-
-# Pipeline (sequential, fail-fast):
-#   go-test → e2e-test → build → deploy → publish
-#   PRs stop after build. Master continues to deploy + publish.
-
-jobs:
-  # ───────────────────────────────────────────────────────────────
-  # 1. Go Build & Test
-  # ───────────────────────────────────────────────────────────────
-  go-test:
-    name: "✅ Go Build & Test"
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v5
-        with:
-          fetch-depth: 0
-
-      - name: Clean Go module cache
-        run: rm -rf ~/go/pkg/mod 2>/dev/null || true
-
-      - name: Set up Go 1.22
-        uses: actions/setup-go@v6
-        with:
-          go-version: '1.22'
-          cache-dependency-path: |
-            cmd/server/go.sum
-            cmd/ingestor/go.sum
-
-      - name: Build and test Go server (with coverage)
-        run: |
-          set -e -o pipefail
-          cd cmd/server
-          go build .
-          go test -coverprofile=server-coverage.out ./... 2>&1 | tee server-test.log
-          echo "--- Go Server Coverage ---"
-          go tool cover -func=server-coverage.out | tail -1
-
-      - name: Build and test Go ingestor (with coverage)
-        run: |
-          set -e -o pipefail
-          cd cmd/ingestor
-          go build .
-          go test -coverprofile=ingestor-coverage.out ./... 2>&1 | tee ingestor-test.log
-          echo "--- Go Ingestor Coverage ---"
-          go tool cover -func=ingestor-coverage.out | tail -1
-
-      - name: Verify proto syntax
-        run: |
-          set -e
-          sudo apt-get update -qq
-          sudo apt-get install -y protobuf-compiler
-          for proto in proto/*.proto; do
-            echo "  ✓ $(basename "$proto")"
-            protoc --proto_path=proto --descriptor_set_out=/dev/null "$proto"
-          done
-          echo "✅ All .proto files are syntactically valid"
-
-      - name: Generate Go coverage badges
-        if: success()
-        run: |
-          mkdir -p .badges
-
-          SERVER_COV="0"
-          if [ -f cmd/server/server-coverage.out ]; then
-            SERVER_COV=$(cd cmd/server && go tool cover -func=server-coverage.out | tail -1 | grep -oP '[\d.]+(?=%)')
-          fi
-          SERVER_COLOR="red"
-          if [ "$(echo "$SERVER_COV >= 80" | bc -l 2>/dev/null)" = "1" ]; then SERVER_COLOR="green"
-          elif [ "$(echo "$SERVER_COV >= 60" | bc -l 2>/dev/null)" = "1" ]; then SERVER_COLOR="yellow"; fi
-          echo "{\"schemaVersion\":1,\"label\":\"go server coverage\",\"message\":\"${SERVER_COV}%\",\"color\":\"${SERVER_COLOR}\"}" > .badges/go-server-coverage.json
-
-          INGESTOR_COV="0"
-          if [ -f cmd/ingestor/ingestor-coverage.out ]; then
-            INGESTOR_COV=$(cd cmd/ingestor && go tool cover -func=ingestor-coverage.out | tail -1 | grep -oP '[\d.]+(?=%)')
-          fi
-          INGESTOR_COLOR="red"
-          if [ "$(echo "$INGESTOR_COV >= 80" | bc -l 2>/dev/null)" = "1" ]; then INGESTOR_COLOR="green"
-          elif [ "$(echo "$INGESTOR_COV >= 60" | bc -l 2>/dev/null)" = "1" ]; then INGESTOR_COLOR="yellow"; fi
-          echo "{\"schemaVersion\":1,\"label\":\"go ingestor coverage\",\"message\":\"${INGESTOR_COV}%\",\"color\":\"${INGESTOR_COLOR}\"}" > .badges/go-ingestor-coverage.json
-
-          echo "## Go Coverage" >> $GITHUB_STEP_SUMMARY
-          echo "| Module | Coverage |" >> $GITHUB_STEP_SUMMARY
-          echo "|--------|----------|" >> $GITHUB_STEP_SUMMARY
-          echo "| Server | ${SERVER_COV}% |" >> $GITHUB_STEP_SUMMARY
-          echo "| Ingestor | ${INGESTOR_COV}% |" >> $GITHUB_STEP_SUMMARY
-
-      - name: Upload Go coverage badges
-        if: success()
-        uses: actions/upload-artifact@v6
-        with:
-          name: go-badges
-          path: .badges/go-*.json
-          retention-days: 1
-          if-no-files-found: ignore
-
-  # ───────────────────────────────────────────────────────────────
-  # 2. Playwright E2E Tests (against Go server with fixture DB)
-  # ───────────────────────────────────────────────────────────────
-  e2e-test:
-    name: "🎭 Playwright E2E Tests"
-    needs: [go-test]
-    runs-on: [self-hosted, Linux]
-    defaults:
-      run:
-        shell: bash
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v5
-        with:
-          fetch-depth: 0
-
-      - name: Set up Node.js 22
-        uses: actions/setup-node@v5
-        with:
-          node-version: '22'
-
-      - name: Clean Go module cache
-        run: rm -rf ~/go/pkg/mod 2>/dev/null || true
-
-      - name: Set up Go 1.22
-        uses: actions/setup-go@v6
-        with:
-          go-version: '1.22'
-          cache-dependency-path: cmd/server/go.sum
-
-      - name: Build Go server
-        run: |
-          cd cmd/server
-          go build -o ../../corescope-server .
-          echo "Go server built successfully"
-
-      - name: Install npm dependencies
-        run: npm ci --production=false
-
-      - name: Install Playwright browser
-        run: |
-          npx playwright install chromium 2>/dev/null || true
-          npx playwright install-deps chromium 2>/dev/null || true
-
-      - name: Instrument frontend JS for coverage
-        run: sh scripts/instrument-frontend.sh
-
-      - name: Start Go server with fixture DB
-        run: |
-          fuser -k 13581/tcp 2>/dev/null || true
-          sleep 1
-          ./corescope-server -port 13581 -db test-fixtures/e2e-fixture.db -public public-instrumented &
-          echo $! > .server.pid
-          for i in $(seq 1 30); do
-            if curl -sf http://localhost:13581/api/stats > /dev/null 2>&1; then
-              echo "Server ready after ${i}s"
-              break
-            fi
-            if [ "$i" -eq 30 ]; then
-              echo "Server failed to start within 30s"
-              exit 1
-            fi
-            sleep 1
-          done
-
-      - name: Run Playwright E2E tests (fail-fast)
-        run: |
-          BASE_URL=http://localhost:13581 node test-e2e-playwright.js 2>&1 | tee e2e-output.txt
-
-      # DISABLED: Coverage collector takes 8+ min. E2E tests extract window.__coverage__ directly.
-      # - name: Collect frontend coverage
-      #   if: success()
-      #   run: |
-      #     BASE_URL=http://localhost:13581 node scripts/collect-frontend-coverage.js 2>&1 | tee fe-coverage-output.txt || true
-
-      - name: Generate frontend coverage badges
-        if: success()
-        run: |
-          E2E_PASS=$(grep -oP '[0-9]+(?=/)' e2e-output.txt | tail -1 || echo "0")
-
-          mkdir -p .badges
-          if [ -f .nyc_output/frontend-coverage.json ] || [ -f .nyc_output/e2e-coverage.json ]; then
-            npx nyc report --reporter=text-summary --reporter=text 2>&1 | tee fe-report.txt
-            FE_COVERAGE=$(grep 'Statements' fe-report.txt | head -1 | grep -oP '[\d.]+(?=%)' || echo "0")
-            FE_COVERAGE=${FE_COVERAGE:-0}
-            FE_COLOR="red"
-            [ "$(echo "$FE_COVERAGE > 50" | bc -l 2>/dev/null)" = "1" ] && FE_COLOR="yellow"
-            [ "$(echo "$FE_COVERAGE > 80" | bc -l 2>/dev/null)" = "1" ] && FE_COLOR="brightgreen"
-            echo "{\"schemaVersion\":1,\"label\":\"frontend coverage\",\"message\":\"${FE_COVERAGE}%\",\"color\":\"${FE_COLOR}\"}" > .badges/frontend-coverage.json
-            echo "## Frontend: ${FE_COVERAGE}% coverage" >> $GITHUB_STEP_SUMMARY
-          fi
-          echo "{\"schemaVersion\":1,\"label\":\"e2e tests\",\"message\":\"${E2E_PASS:-0} passed\",\"color\":\"brightgreen\"}" > .badges/e2e-tests.json
-
-      - name: Stop test server
-        if: success()
-        run: |
-          if [ -f .server.pid ]; then
-            kill $(cat .server.pid) 2>/dev/null || true
-            rm -f .server.pid
-          fi
-
-      - name: Upload E2E badges
-        if: success()
-        uses: actions/upload-artifact@v6
-        with:
-          name: e2e-badges
-          path: .badges/
-          retention-days: 1
-          if-no-files-found: ignore
-
-  # ───────────────────────────────────────────────────────────────
-  # 3. Build Docker Image
-  # ───────────────────────────────────────────────────────────────
-  build:
-    name: "🏗️ Build Docker Image"
-    needs: [e2e-test]
-    runs-on: [self-hosted, Linux]
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v5
-
-      - name: Set up Node.js 22
-        uses: actions/setup-node@v5
-        with:
-          node-version: '22'
-
-      - name: Build Go Docker image
-        run: |
-          echo "${GITHUB_SHA::7}" > .git-commit
-          APP_VERSION=$(node -p "require('./package.json').version") \
-          GIT_COMMIT="${GITHUB_SHA::7}" \
-          APP_VERSION=$(grep -oP 'APP_VERSION:-\K[^}]+' docker-compose.yml | head -1 || echo "3.0.0")
-          GIT_COMMIT=$(git rev-parse --short HEAD)
-          BUILD_TIME=$(date -u '+%Y-%m-%dT%H:%M:%SZ')
-          export APP_VERSION GIT_COMMIT BUILD_TIME
-          docker compose --profile staging-go build staging-go
-          echo "Built Go staging image ✅"
-
-  # ───────────────────────────────────────────────────────────────
-  # 4. Deploy Staging (master only)
-  # ───────────────────────────────────────────────────────────────
-  deploy:
-    name: "🚀 Deploy Staging"
-    if: github.event_name == 'push'
-    needs: [build]
-    runs-on: [self-hosted, Linux]
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v5
-
-      - name: Stop old staging container
-        run: |
-          docker stop corescope-staging-go 2>/dev/null || true
-          docker rm corescope-staging-go 2>/dev/null || true
-          fuser -k 82/tcp 2>/dev/null || true
-
-      - name: Start staging on port 82
-        run: |
-          docker compose --profile staging-go up -d staging-go
-
-      - name: Healthcheck staging container
-        run: |
-          for i in $(seq 1 120); do
-            HEALTH=$(docker inspect corescope-staging-go --format '{{.State.Health.Status}}' 2>/dev/null || echo "starting")
-            if [ "$HEALTH" = "healthy" ]; then
-              echo "Staging healthy after ${i}s"
-              break
-            fi
-            if [ "$i" -eq 120 ]; then
-              echo "Staging failed health check after 120s"
-              docker logs corescope-staging-go --tail 50
-              exit 1
-            fi
-            sleep 1
-          done
-
-      - name: Smoke test staging API
-        run: |
-          if curl -sf http://localhost:82/api/stats | grep -q engine; then
-            echo "Staging verified — engine field present ✅"
-          else
-            echo "Staging /api/stats did not return engine field"
-            exit 1
-          fi
-
-  # ───────────────────────────────────────────────────────────────
-  # 5. Publish Badges & Summary (master only)
-  # ───────────────────────────────────────────────────────────────
-  publish:
-    name: "📝 Publish Badges & Summary"
-    if: github.event_name == 'push'
-    needs: [deploy]
-    runs-on: [self-hosted, Linux]
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v5
-
-      - name: Download Go coverage badges
-        continue-on-error: true
-        uses: actions/download-artifact@v6
-        with:
-          name: go-badges
-          path: .badges/
-
-      - name: Download E2E badges
-        continue-on-error: true
-        uses: actions/download-artifact@v6
-        with:
-          name: e2e-badges
-          path: .badges/
-
-      - name: Publish coverage badges to repo
-        continue-on-error: true
-        run: |
-          git config user.name "github-actions"
-          git config user.email "actions@github.com"
-          git remote set-url origin https://x-access-token:${{ github.token }}@github.com/${{ github.repository }}.git
-          git add .badges/ -f
-          git diff --cached --quiet || (git commit -m "ci: update test badges [skip ci]" && git push) || echo "Badge push failed"
-
-      - name: Post deployment summary
-        run: |
-          echo "## Staging Deployed ✓" >> $GITHUB_STEP_SUMMARY
-          echo "" >> $GITHUB_STEP_SUMMARY
-          echo "**Commit:** \`$(git rev-parse --short HEAD)\` — $(git log -1 --format=%s)" >> $GITHUB_STEP_SUMMARY
+name: CI/CD Pipeline
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+concurrency:
+  group: ci-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
+# Pipeline (sequential, fail-fast):
+#   go-test → e2e-test → build → deploy → publish
+#   PRs stop after build. Master continues to deploy + publish.
+
+jobs:
+  # ───────────────────────────────────────────────────────────────
+  # 1. Go Build & Test
+  # ───────────────────────────────────────────────────────────────
+  go-test:
+    name: "✅ Go Build & Test"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      - name: Clean Go module cache
+        run: rm -rf ~/go/pkg/mod 2>/dev/null || true
+
+      - name: Set up Go 1.22
+        uses: actions/setup-go@v6
+        with:
+          go-version: '1.22'
+          cache-dependency-path: |
+            cmd/server/go.sum
+            cmd/ingestor/go.sum
+
+      - name: Build and test Go server (with coverage)
+        run: |
+          set -e -o pipefail
+          cd cmd/server
+          go build .
+          go test -coverprofile=server-coverage.out ./... 2>&1 | tee server-test.log
+          echo "--- Go Server Coverage ---"
+          go tool cover -func=server-coverage.out | tail -1
+
+      - name: Build and test Go ingestor (with coverage)
+        run: |
+          set -e -o pipefail
+          cd cmd/ingestor
+          go build .
+          go test -coverprofile=ingestor-coverage.out ./... 2>&1 | tee ingestor-test.log
+          echo "--- Go Ingestor Coverage ---"
+          go tool cover -func=ingestor-coverage.out | tail -1
+
+      - name: Verify proto syntax
+        run: |
+          set -e
+          sudo apt-get update -qq
+          sudo apt-get install -y protobuf-compiler
+          for proto in proto/*.proto; do
+            echo "  ✓ $(basename "$proto")"
+            protoc --proto_path=proto --descriptor_set_out=/dev/null "$proto"
+          done
+          echo "✅ All .proto files are syntactically valid"
+
+      - name: Generate Go coverage badges
+        if: success()
+        run: |
+          mkdir -p .badges
+
+          SERVER_COV="0"
+          if [ -f cmd/server/server-coverage.out ]; then
+            SERVER_COV=$(cd cmd/server && go tool cover -func=server-coverage.out | tail -1 | grep -oP '[\d.]+(?=%)')
+          fi
+          SERVER_COLOR="red"
+          if [ "$(echo "$SERVER_COV >= 80" | bc -l 2>/dev/null)" = "1" ]; then SERVER_COLOR="green"
+          elif [ "$(echo "$SERVER_COV >= 60" | bc -l 2>/dev/null)" = "1" ]; then SERVER_COLOR="yellow"; fi
+          echo "{\"schemaVersion\":1,\"label\":\"go server coverage\",\"message\":\"${SERVER_COV}%\",\"color\":\"${SERVER_COLOR}\"}" > .badges/go-server-coverage.json
+
+          INGESTOR_COV="0"
+          if [ -f cmd/ingestor/ingestor-coverage.out ]; then
+            INGESTOR_COV=$(cd cmd/ingestor && go tool cover -func=ingestor-coverage.out | tail -1 | grep -oP '[\d.]+(?=%)')
+          fi
+          INGESTOR_COLOR="red"
+          if [ "$(echo "$INGESTOR_COV >= 80" | bc -l 2>/dev/null)" = "1" ]; then INGESTOR_COLOR="green"
+          elif [ "$(echo "$INGESTOR_COV >= 60" | bc -l 2>/dev/null)" = "1" ]; then INGESTOR_COLOR="yellow"; fi
+          echo "{\"schemaVersion\":1,\"label\":\"go ingestor coverage\",\"message\":\"${INGESTOR_COV}%\",\"color\":\"${INGESTOR_COLOR}\"}" > .badges/go-ingestor-coverage.json
+
+          echo "## Go Coverage" >> $GITHUB_STEP_SUMMARY
+          echo "| Module | Coverage |" >> $GITHUB_STEP_SUMMARY
+          echo "|--------|----------|" >> $GITHUB_STEP_SUMMARY
+          echo "| Server | ${SERVER_COV}% |" >> $GITHUB_STEP_SUMMARY
+          echo "| Ingestor | ${INGESTOR_COV}% |" >> $GITHUB_STEP_SUMMARY
+
+      - name: Upload Go coverage badges
+        if: success()
+        uses: actions/upload-artifact@v6
+        with:
+          name: go-badges
+          path: .badges/go-*.json
+          retention-days: 1
+          if-no-files-found: ignore
+
+  # ───────────────────────────────────────────────────────────────
+  # 2. Playwright E2E Tests (against Go server with fixture DB)
+  # ───────────────────────────────────────────────────────────────
+  e2e-test:
+    name: "🎭 Playwright E2E Tests"
+    needs: [go-test]
+    runs-on: [self-hosted, Linux]
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      - name: Set up Node.js 22
+        uses: actions/setup-node@v5
+        with:
+          node-version: '22'
+
+      - name: Clean Go module cache
+        run: rm -rf ~/go/pkg/mod 2>/dev/null || true
+
+      - name: Set up Go 1.22
+        uses: actions/setup-go@v6
+        with:
+          go-version: '1.22'
+          cache-dependency-path: cmd/server/go.sum
+
+      - name: Build Go server
+        run: |
+          cd cmd/server
+          go build -o ../../corescope-server .
+          echo "Go server built successfully"
+
+      - name: Install npm dependencies
+        run: npm ci --production=false
+
+      - name: Install Playwright browser
+        run: |
+          npx playwright install chromium 2>/dev/null || true
+          npx playwright install-deps chromium 2>/dev/null || true
+
+      - name: Instrument frontend JS for coverage
+        run: sh scripts/instrument-frontend.sh
+
+      - name: Start Go server with fixture DB
+        run: |
+          fuser -k 13581/tcp 2>/dev/null || true
+          sleep 1
+          ./corescope-server -port 13581 -db test-fixtures/e2e-fixture.db -public public-instrumented &
+          echo $! > .server.pid
+          for i in $(seq 1 30); do
+            if curl -sf http://localhost:13581/api/stats > /dev/null 2>&1; then
+              echo "Server ready after ${i}s"
+              break
+            fi
+            if [ "$i" -eq 30 ]; then
+              echo "Server failed to start within 30s"
+              exit 1
+            fi
+            sleep 1
+          done
+
+      - name: Run Playwright E2E tests (fail-fast)
+        run: |
+          BASE_URL=http://localhost:13581 node test-e2e-playwright.js 2>&1 | tee e2e-output.txt
+
+      # DISABLED: Coverage collector takes 8+ min. E2E tests extract window.__coverage__ directly.
+      # - name: Collect frontend coverage
+      #   if: success()
+      #   run: |
+      #     BASE_URL=http://localhost:13581 node scripts/collect-frontend-coverage.js 2>&1 | tee fe-coverage-output.txt || true
+
+      - name: Generate frontend coverage badges
+        if: success()
+        run: |
+          E2E_PASS=$(grep -oP '[0-9]+(?=/)' e2e-output.txt | tail -1 || echo "0")
+
+          mkdir -p .badges
+          if [ -f .nyc_output/frontend-coverage.json ] || [ -f .nyc_output/e2e-coverage.json ]; then
+            npx nyc report --reporter=text-summary --reporter=text 2>&1 | tee fe-report.txt
+            FE_COVERAGE=$(grep 'Statements' fe-report.txt | head -1 | grep -oP '[\d.]+(?=%)' || echo "0")
+            FE_COVERAGE=${FE_COVERAGE:-0}
+            FE_COLOR="red"
+            [ "$(echo "$FE_COVERAGE > 50" | bc -l 2>/dev/null)" = "1" ] && FE_COLOR="yellow"
+            [ "$(echo "$FE_COVERAGE > 80" | bc -l 2>/dev/null)" = "1" ] && FE_COLOR="brightgreen"
+            echo "{\"schemaVersion\":1,\"label\":\"frontend coverage\",\"message\":\"${FE_COVERAGE}%\",\"color\":\"${FE_COLOR}\"}" > .badges/frontend-coverage.json
+            echo "## Frontend: ${FE_COVERAGE}% coverage" >> $GITHUB_STEP_SUMMARY
+          fi
+          echo "{\"schemaVersion\":1,\"label\":\"e2e tests\",\"message\":\"${E2E_PASS:-0} passed\",\"color\":\"brightgreen\"}" > .badges/e2e-tests.json
+
+      - name: Stop test server
+        if: success()
+        run: |
+          if [ -f .server.pid ]; then
+            kill $(cat .server.pid) 2>/dev/null || true
+            rm -f .server.pid
+          fi
+
+      - name: Upload E2E badges
+        if: success()
+        uses: actions/upload-artifact@v6
+        with:
+          name: e2e-badges
+          path: .badges/
+          retention-days: 1
+          if-no-files-found: ignore
+
+  # ───────────────────────────────────────────────────────────────
+  # 3. Build Docker Image
+  # ───────────────────────────────────────────────────────────────
+  build:
+    name: "🏗️ Build Docker Image"
+    needs: [e2e-test]
+    runs-on: [self-hosted, Linux]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+
+      - name: Set up Node.js 22
+        uses: actions/setup-node@v5
+        with:
+          node-version: '22'
+
+      - name: Build Go Docker image
+        run: |
+          echo "${GITHUB_SHA::7}" > .git-commit
+          APP_VERSION=$(node -p "require('./package.json').version") \
+          GIT_COMMIT="${GITHUB_SHA::7}" \
+          APP_VERSION=$(grep -oP 'APP_VERSION:-\K[^}]+' docker-compose.yml | head -1 || echo "3.0.0")
+          GIT_COMMIT=$(git rev-parse --short HEAD)
+          BUILD_TIME=$(date -u '+%Y-%m-%dT%H:%M:%SZ')
+          export APP_VERSION GIT_COMMIT BUILD_TIME
+          docker compose --profile staging-go build staging-go
+          echo "Built Go staging image ✅"
+
+  # ───────────────────────────────────────────────────────────────
+  # 4. Deploy Staging (master only)
+  # ───────────────────────────────────────────────────────────────
+  deploy:
+    name: "🚀 Deploy Staging"
+    if: github.event_name == 'push'
+    needs: [build]
+    runs-on: [self-hosted, Linux]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+
+      - name: Stop old staging container
+        run: |
+          docker compose --profile staging-go stop staging-go 2>/dev/null || true
+          docker wait corescope-staging-go 2>/dev/null || true
+          docker rm -f corescope-staging-go 2>/dev/null || true
+          fuser -k 82/tcp 2>/dev/null || true
+          for i in $(seq 1 20); do
+            if ! docker ps --filter "name=^corescope-staging-go$" --format '{{.Names}}' | grep -q '^corescope-staging-go$'; then
+              echo "Old staging container fully stopped/removed"
+              break
+            fi
+            if [ "$i" -eq 20 ]; then
+              echo "Timed out waiting for old staging container to exit"
+              docker ps --filter "name=^corescope-staging-go$"
+              exit 1
+            fi
+            sleep 1
+          done
+
+      - name: Start staging on port 82
+        run: |
+          docker compose --profile staging-go up -d staging-go
+
+      - name: Healthcheck staging container
+        run: |
+          for i in $(seq 1 120); do
+            HEALTH=$(docker inspect corescope-staging-go --format '{{.State.Health.Status}}' 2>/dev/null || echo "starting")
+            if [ "$HEALTH" = "healthy" ]; then
+              echo "Staging healthy after ${i}s"
+              break
+            fi
+            if [ "$i" -eq 120 ]; then
+              echo "Staging failed health check after 120s"
+              docker logs corescope-staging-go --tail 50
+              exit 1
+            fi
+            sleep 1
+          done
+
+      - name: Smoke test staging API
+        run: |
+          if curl -sf http://localhost:82/api/stats | grep -q engine; then
+            echo "Staging verified — engine field present ✅"
+          else
+            echo "Staging /api/stats did not return engine field"
+            exit 1
+          fi
+
+  # ───────────────────────────────────────────────────────────────
+  # 5. Publish Badges & Summary (master only)
+  # ───────────────────────────────────────────────────────────────
+  publish:
+    name: "📝 Publish Badges & Summary"
+    if: github.event_name == 'push'
+    needs: [deploy]
+    runs-on: [self-hosted, Linux]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+
+      - name: Download Go coverage badges
+        continue-on-error: true
+        uses: actions/download-artifact@v6
+        with:
+          name: go-badges
+          path: .badges/
+
+      - name: Download E2E badges
+        continue-on-error: true
+        uses: actions/download-artifact@v6
+        with:
+          name: e2e-badges
+          path: .badges/
+
+      - name: Publish coverage badges to repo
+        continue-on-error: true
+        run: |
+          git config user.name "github-actions"
+          git config user.email "actions@github.com"
+          git remote set-url origin https://x-access-token:${{ github.token }}@github.com/${{ github.repository }}.git
+          git add .badges/ -f
+          git diff --cached --quiet || (git commit -m "ci: update test badges [skip ci]" && git push) || echo "Badge push failed"
+
+      - name: Post deployment summary
+        run: |
+          echo "## Staging Deployed ✓" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "**Commit:** \`$(git rev-parse --short HEAD)\` — $(git log -1 --format=%s)" >> $GITHUB_STEP_SUMMARY