Sync to upstream (ws keepalive fix) + re-apply OTLP gRPC export

.github/workflows/beta.yml

@@ -0,0 +1,55 @@
+name: Beta
+
+on:
+  pull_request:
+    types: [labeled, synchronize]
+    branches: [main]
+
+concurrency:
+  group: beta-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    if: contains(github.event.pull_request.labels.*.name, 'beta')
+    uses: ./.github/workflows/docker-build.yml
+    with:
+      push: true
+      image: ghcr.io/${{ github.repository }}
+    permissions:
+      packages: write
+    secrets: inherit
+
+  manifest:
+    name: Push Beta Manifest
+    needs: build
+    if: contains(github.event.pull_request.labels.*.name, 'beta')
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v8
+        with:
+          path: /tmp/digests
+          pattern: digest-*
+          merge-multiple: true
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v4
+
+      - name: Log into ghcr.io
+        uses: docker/login-action@v4
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create and push manifest
+        working-directory: /tmp/digests
+        run: |
+          BRANCH="${{ github.head_ref }}"
+          BRANCH="${BRANCH##*/}"
+          docker buildx imagetools create \
+            -t ghcr.io/${{ github.repository }}:beta_${BRANCH} \
+            $(printf 'ghcr.io/${{ github.repository }}@sha256:%s ' *)

.github/workflows/build.yml

@@ -0,0 +1,16 @@
+name: Build
+
+on:
+  pull_request:
+    branches: [main]
+
+concurrency:
+  group: build-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    if: "!contains(github.event.pull_request.labels.*.name, 'beta')"
+    uses: ./.github/workflows/docker-build.yml
+    with:
+      push: false

.github/workflows/docker-build.yml

@@ -0,0 +1,67 @@
+name: Docker Build
+
+on:
+  workflow_call:
+    inputs:
+      push:
+        type: boolean
+        default: false
+      image:
+        type: string
+        default: ''
+
+jobs:
+  build:
+    name: Docker Build (${{ matrix.platform }})
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+    strategy:
+      matrix:
+        platform: [linux/amd64, linux/arm64]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v4
+
+      - name: Log into ghcr.io
+        if: inputs.push
+        uses: docker/login-action@v4
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build
+        id: build
+        uses: docker/build-push-action@v7
+        with:
+          context: .
+          platforms: ${{ matrix.platform }}
+          push: false
+          cache-from: type=gha,scope=${{ matrix.platform }}
+          cache-to: type=gha,scope=${{ matrix.platform }},mode=max
+          outputs: ${{ inputs.push && format('type=image,name={0},push-by-digest=true,name-canonical=true,push=true', inputs.image) || '' }}
+
+      - name: Export digest
+        if: inputs.push
+        id: digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+          slug="${{ matrix.platform }}"
+          echo "slug=${slug//\//-}" >> "$GITHUB_OUTPUT"
+
+      - name: Upload digest
+        if: inputs.push
+        uses: actions/upload-artifact@v7
+        with:
+          name: digest-${{ steps.digest.outputs.slug }}
+          path: /tmp/digests/*
+          if-no-files-found: error

.github/workflows/label-check.yml

@@ -0,0 +1,43 @@
+name: Release Label
+
+on:
+  pull_request:
+    types: [opened, labeled, unlabeled, synchronize, reopened]
+    branches: [main]
+
+concurrency:
+  group: label-check-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
+jobs:
+  check:
+    name: Check Release Label
+    runs-on: ubuntu-latest
+    steps:
+      - name: Verify release label
+        env:
+          LABELS: ${{ toJSON(github.event.pull_request.labels.*.name) }}
+        run: |
+          MAJOR=$(echo "$LABELS" | jq '[.[] | select(. == "release/major")] | length')
+          MINOR=$(echo "$LABELS" | jq '[.[] | select(. == "release/minor")] | length')
+          PATCH=$(echo "$LABELS" | jq '[.[] | select(. == "release/patch")] | length')
+          SKIP=$(echo "$LABELS" | jq '[.[] | select(. == "release/skip")] | length')
+
+          TOTAL=$((MAJOR + MINOR + PATCH + SKIP))
+
+          if [ "$TOTAL" -eq 0 ]; then
+            echo "::error::Add a release label to this PR: release/major, release/minor, release/patch, or release/skip"
+            exit 1
+          fi
+
+          if [ "$TOTAL" -gt 1 ]; then
+            echo "::error::Only one release label is allowed per PR"
+            exit 1
+          fi
+
+          if [ "$MAJOR" -eq 1 ]; then TYPE="major"; fi
+          if [ "$MINOR" -eq 1 ]; then TYPE="minor"; fi
+          if [ "$PATCH" -eq 1 ]; then TYPE="patch"; fi
+          if [ "$SKIP" -eq 1 ]; then TYPE="skip"; fi
+
+          echo "Release type: ${TYPE}"