Add Claude Code workflow for automated PR reviews

Enable Claude Code to automatically review pull requests for code
quality, potential bugs, security concerns, and improvements.

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: JSKitty

.github/workflows/claude.yml

@@ -0,0 +1,46 @@
+name: Claude Code
+
+on:
+  issue_comment:
+    types: [created]
+  pull_request_review_comment:
+    types: [created]
+  pull_request:
+    types: [opened, ready_for_review]
+  issues:
+    types: [opened, assigned]
+  pull_request_review:
+    types: [submitted]
+
+jobs:
+  claude:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+      issues: write
+      id-token: write
+      actions: read
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 1
+
+      - name: Run Claude Code
+        id: claude
+        uses: anthropics/claude-code-action@v1
+        with:
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          track_progress: true
+          claude_args: |
+            --model claude-opus-4-5-20251101
+          prompt: |
+            Review this pull request. Focus on:
+            - Code quality and best practices
+            - Potential bugs or edge cases
+            - Security concerns
+            - Suggestions for improvement
+
+            Provide actionable feedback with inline comments where appropriate.