ci: verify audio quality candidates on Linux

Author: richiemcilroy

.github/workflows/audio-quality.yml

@@ -0,0 +1,46 @@
+name: Audio Quality
+
+on:
+  workflow_dispatch:
+  pull_request:
+    paths:
+      - "apps/media-server/**"
+      - "scripts/benchmark-*audio*.py"
+      - ".github/workflows/audio-quality.yml"
+  push:
+    branches: [main]
+    paths:
+      - "apps/media-server/**"
+      - "scripts/benchmark-*audio*.py"
+      - ".github/workflows/audio-quality.yml"
+
+permissions:
+  contents: read
+
+concurrency:
+  group: audio-quality-${{ github.head_ref || github.ref_name }}
+  cancel-in-progress: true
+
+jobs:
+  audio-quality:
+    name: Audio quality on Linux
+    runs-on: ubuntu-24.04
+    container: oven/bun:1.4.0
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install FFmpeg
+        run: apt-get update && apt-get install -y --no-install-recommends ffmpeg
+      - name: Install media server dependencies
+        working-directory: apps/media-server
+        run: bun install --frozen-lockfile --production
+      - name: Record media runtime versions
+        run: |
+          bun --version
+          ffmpeg -version
+      - name: Verify audio quality and source preservation
+        working-directory: apps/media-server
+        run: |
+          bun test \
+            src/__tests__/lib/audio-quality-policy.test.ts \
+            src/__tests__/lib/audio-quality.integration.test.ts