fix(ci): add explicit codeql workflow

.github/codeql/codeql-config.yml

@@ -0,0 +1,15 @@
+name: agent-teams-codeql
+
+paths:
+  - src
+  - packages
+  - agent-teams-controller
+  - mcp-server
+  - scripts
+  - .github/workflows
+
+paths-ignore:
+  - '**/node_modules/**'
+  - 'test/**'
+  - 'landing/**'
+  - 'build/**'

.github/workflows/codeql.yml

@@ -0,0 +1,67 @@
+name: CodeQL
+
+on:
+  push:
+    branches: [main, dev]
+    paths:
+      - 'src/**'
+      - 'packages/**'
+      - 'agent-teams-controller/**'
+      - 'mcp-server/**'
+      - 'scripts/**'
+      - '.github/workflows/**'
+      - '.github/codeql/**'
+      - 'package.json'
+      - 'pnpm-lock.yaml'
+      - 'pnpm-workspace.yaml'
+      - 'tsconfig*.json'
+  pull_request:
+    paths:
+      - 'src/**'
+      - 'packages/**'
+      - 'agent-teams-controller/**'
+      - 'mcp-server/**'
+      - 'scripts/**'
+      - '.github/workflows/**'
+      - '.github/codeql/**'
+      - 'package.json'
+      - 'pnpm-lock.yaml'
+      - 'pnpm-workspace.yaml'
+      - 'tsconfig*.json'
+  schedule:
+    - cron: '34 3 * * 1'
+
+permissions:
+  contents: read
+
+jobs:
+  analyze:
+    name: Analyze (${{ matrix.language }})
+    runs-on: ubuntu-latest
+    timeout-minutes: 45
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language:
+          - actions
+          - javascript-typescript
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v4
+        with:
+          languages: ${{ matrix.language }}
+          config-file: ./.github/codeql/codeql-config.yml
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v4
+        with:
+          category: /language:${{ matrix.language }}