Add manual issue triage workflow

- Add optional issue_number parameter to Claude Issue Triage Action
- Create manual workflow that accepts comma-separated issue numbers
- Maintains backward compatibility with existing issue event workflow

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.github/actions/claude-issue-triage-action/action.yml

@@ -12,6 +12,9 @@ inputs:
   github_token:
     description: "GitHub token with repo and issues permissions"
     required: true
+  issue_number:
+    description: "Issue number to triage (optional - defaults to event issue number)"
+    required: false
 
 runs:
   using: "composite"
@@ -32,7 +35,7 @@ runs:
 
         Issue Information:
         - REPO: ${{ github.repository }}
-        - ISSUE_NUMBER: ${{ github.event.issue.number }}
+        - ISSUE_NUMBER: ${{ inputs.issue_number || github.event.issue.number }}
 
         TASK OVERVIEW:
 

.github/workflows/claude-issue-triage-manual.yml

@@ -0,0 +1,46 @@
+name: Claude Issue Triage Manual
+description: "Manually triage GitHub issues using Claude Code"
+
+on:
+  workflow_dispatch:
+    inputs:
+      issue_numbers:
+        description: 'Comma-separated list of issue numbers to triage (e.g., 123,456,789)'
+        required: true
+        type: string
+
+jobs:
+  parse-issues:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - name: Parse issue numbers
+        id: set-matrix
+        run: |
+          # Remove spaces and convert to JSON array
+          CLEANED=$(echo "${{ github.event.inputs.issue_numbers }}" | tr -d ' ')
+          IFS=',' read -ra ISSUES <<< "$CLEANED"
+          MATRIX_JSON=$(printf '%s\n' "${ISSUES[@]}" | jq -R . | jq -s -c '{issue: .}')
+          echo "matrix=$MATRIX_JSON" >> $GITHUB_OUTPUT
+
+  triage-issue:
+    needs: parse-issues
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    permissions:
+      contents: read
+      issues: write
+    strategy:
+      matrix: ${{ fromJson(needs.parse-issues.outputs.matrix) }}
+      max-parallel: 5
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4
+
+      - name: Run Claude Issue Triage
+        uses: ./.github/actions/claude-issue-triage-action
+        with:
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          issue_number: ${{ matrix.issue }}