fix: restore CodeQL workflow (accidentally deleted in cleanup)

Restored from commit 3013db2d (upstream cleanup batch).
Updated trigger branches: main → main, acp.

.github/workflows/codeql.yml

@@ -0,0 +1,52 @@
+name: "CodeQL Analysis"
+
+on:
+  push:
+    branches: [main, acp]
+  pull_request:
+    branches: [main, acp]
+  schedule:
+    - cron: '30 3 * * 1'  # 每周一 03:30 UTC
+  workflow_dispatch:       # 手动触发
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      actions: read
+      contents: read
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: ['javascript-typescript']
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Install dependencies
+        env:
+          CLAUDE_CODE_SKIP_CHROME_MCP_SETUP: '1'
+        run: bun install
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: ${{ matrix.language }}
+          queries: security-extended
+
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@v3
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v3
+        with:
+          category: "/language:${{ matrix.language }}"