🤖 add claude code workflow

Author: al-one

.github/workflows/claude.yml

@@ -38,24 +38,7 @@ jobs:
         run: |
           git config --global user.name "claude[bot]"
           git config --global user.email "claude[bot]@users.noreply.github.com"
-
-      - name: Checkout branch
-        run: |
-          ymd=$(date +%Y%m%d)
-          BRANCH_NAME="claude/auto-$ymd-${{ github.run_id }}"
-          git checkout -b "$BRANCH_NAME"
-          echo "BRANCH_NAME=$BRANCH_NAME" >> $GITHUB_ENV
-
-      - name: Install uv
-        uses: astral-sh/setup-uv@v6
-        with:
-          enable-cache: true
-
-      - name: Set up requirements
-        run: |
-          uv venv
-          uv python install
-          uv pip install -r scripts/requirements.txt
+          echo "EVENT_KEY=$(date +ci-%y%m%d)" >> $GITHUB_ENV
 
       - name: Check issue
         if: github.event.issue.number
@@ -66,6 +49,7 @@ jobs:
             echo "${{ github.event.comment.body }}"
             echo EOF
           } >> $GITHUB_ENV
+          echo "EVENT_KEY=issue-${{ github.event.issue.number }}" >> $GITHUB_ENV
 
       - name: Check pull request
         if: github.event.pull_request.number
@@ -76,6 +60,24 @@ jobs:
             echo "${{ github.event.comment.body || github.event.review.body }}"
             echo EOF
           } >> $GITHUB_ENV
+          echo "EVENT_KEY=pull-${{ github.event.pull_request.number }}" >> $GITHUB_ENV
+
+      - name: Checkout branch
+        run: |
+          BRANCH_NAME="claude/${{ env.EVENT_KEY }}-${{ github.run_id }}"
+          git checkout -b "$BRANCH_NAME"
+          echo "BRANCH_NAME=$BRANCH_NAME" >> $GITHUB_ENV
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          enable-cache: true
+
+      - name: Set up requirements
+        run: |
+          uv venv
+          uv python install
+          uv pip install -r scripts/requirements.txt
 
       - uses: anthropics/claude-code-action@v1
         id: claude