From fc6fd305126f97a82d524ee10fbee2dd0dc76eca Mon Sep 17 00:00:00 2001
From: Kyungwon Chun <ruddyscent@gmail.com>
Date: Sat, 22 Aug 2026 02:45:10 +0900
Subject: [PATCH] ci: add CodeQL analysis workflow

Run CodeQL analysis for Python on pull requests, main branch pushes, and a weekly schedule. Upload security findings with scoped workflow permissions.
---
 .github/workflows/codeql.yml | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 .github/workflows/codeql.yml

diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000..8aa22f6
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,35 @@
+name: CodeQL
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  schedule:
+    - cron: "19 3 * * 1"
+
+permissions:
+  contents: read
+
+jobs:
+  analyze:
+    name: Analyze Python
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      packages: read
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v6
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v4
+        with:
+          languages: python
+          build-mode: none
+
+      - name: Perform CodeQL analysis
+        uses: github/codeql-action/analyze@v4
+        with:
+          category: "/language:python"