ci: add build-and-release watchdog

.github/workflows/watch-build-and-release.yml

@@ -0,0 +1,41 @@
+name: Watch Build And Release XWorkmate Packages
+
+on:
+  workflow_run:
+    workflows:
+      - Build and Release XWorkmate Packages
+    types:
+      - completed
+  workflow_dispatch:
+  schedule:
+    - cron: "17 3 * * 1"
+
+permissions:
+  contents: read
+
+concurrency:
+  group: watch-build-and-release-${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  FLUTTER_VERSION: 3.41.4
+
+jobs:
+  watch:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
+
+      - name: Set up Flutter SDK
+        uses: ./.github/actions/setup-flutter-sdk
+        with:
+          flutter-version: ${{ env.FLUTTER_VERSION }}
+
+      - name: Install Linux dependencies
+        shell: bash
+        run: bash ./scripts/ci/setup_platform_deps.sh linux
+
+      - name: Run workflow health monitor
+        shell: bash
+        run: bash ./scripts/ci/monitor_build_and_release.sh

scripts/ci/monitor_build_and_release.sh

@@ -0,0 +1,66 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+workflow_file="$repo_root/.github/workflows/build-and-release.yml"
+
+require_file() {
+  local path="$1"
+  if [[ ! -f "$path" ]]; then
+    echo "Missing required file: $path" >&2
+    exit 1
+  fi
+}
+
+require_exec() {
+  local path="$1"
+  if [[ ! -x "$path" ]]; then
+    echo "Missing executable bit: $path" >&2
+    exit 1
+  fi
+}
+
+require_file "$workflow_file"
+require_file "$repo_root/scripts/ci/run_code_analysis.sh"
+require_file "$repo_root/scripts/ci/build_matrix_artifacts.sh"
+require_file "$repo_root/scripts/ci/setup_platform_deps.sh"
+require_file "$repo_root/scripts/ci/compute_release_metadata.sh"
+
+require_exec "$repo_root/scripts/ci/run_code_analysis.sh"
+require_exec "$repo_root/scripts/ci/build_matrix_artifacts.sh"
+require_exec "$repo_root/scripts/ci/setup_platform_deps.sh"
+require_exec "$repo_root/scripts/ci/compute_release_metadata.sh"
+
+ruby - "$workflow_file" <<'RUBY'
+require 'yaml'
+
+workflow_path = ARGV.fetch(0)
+data = YAML.load_file(workflow_path)
+
+expected_jobs = %w[prepare verify build release]
+missing_jobs = expected_jobs.reject { |job| data.fetch('jobs', {}).key?(job) }
+abort("Missing workflow jobs: #{missing_jobs.join(', ')}") unless missing_jobs.empty?
+
+build_job = data.fetch('jobs').fetch('build')
+matrix = build_job.fetch('strategy', {}).fetch('matrix', {}).fetch('include', [])
+platforms = matrix.map { |entry| entry['platform'] }.compact.to_h { |platform| [platform, true] }.keys
+expected_platforms = %w[linux windows macos ios android]
+missing_platforms = expected_platforms.reject { |platform| platforms.include?(platform) }
+abort("Missing build matrix platforms: #{missing_platforms.join(', ')}") unless missing_platforms.empty?
+
+text = File.read(workflow_path)
+required_snippets = [
+  'bash ./scripts/ci/run_code_analysis.sh',
+  'bash ./scripts/ci/build_matrix_artifacts.sh',
+  'bash ./scripts/ci/setup_platform_deps.sh',
+  'bash ./scripts/ci/compute_release_metadata.sh',
+  'actions/upload-artifact',
+  'actions/download-artifact'
+]
+missing_snippets = required_snippets.reject { |snippet| text.include?(snippet) }
+abort("Missing workflow references: #{missing_snippets.join(', ')}") unless missing_snippets.empty?
+
+puts 'Workflow structure check passed.'
+RUBY
+
+echo "Monitoring checks passed for build-and-release workflow."