Add Claude PR Assistant workflow

Update README.md documentation links and OAuth description

.github/workflows/claude.yml

@@ -0,0 +1,37 @@
+name: Claude Code
+
+on:
+  issue_comment:
+    types: [created]
+  pull_request_review_comment:
+    types: [created]
+  issues:
+    types: [opened, assigned]
+  pull_request_review:
+    types: [submitted]
+
+jobs:
+  claude:
+    if: |
+      (github.event_name == 'issue_comment' && contains(github.event.comment.body, '@claude')) ||
+      (github.event_name == 'pull_request_review_comment' && contains(github.event.comment.body, '@claude')) ||
+      (github.event_name == 'pull_request_review' && contains(github.event.review.body, '@claude')) ||
+      (github.event_name == 'issues' && (contains(github.event.issue.body, '@claude') || contains(github.event.issue.title, '@claude')))
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
+      issues: read
+      id-token: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Run Claude Code
+        id: claude
+        uses: anthropics/claude-code-action@beta
+        with:
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+

README.md

@@ -13,7 +13,7 @@ Some of its key capabilities include:
 - Execute and fix tests, lint, and other commands
 - Search through git history, resolve merge conflicts, and create commits and PRs
 
-**Learn more in the [official documentation](https://docs.anthropic.com/en/docs/agents/claude-code/introduction)**.
+**Learn more in the [official documentation](https://docs.anthropic.com/en/docs/claude-code/overview)**.
 
 ## Get started
 
@@ -29,9 +29,9 @@ Some of its key capabilities include:
    npm install -g @anthropic-ai/claude-code
    ```
 
-3. Navigate to your project directory and run <code>claude</code>.
+3. Navigate to your project directory and run `claude`.
 
-4. Complete the one-time OAuth process with your Anthropic Console account.
+4. Complete the one-time OAuth process with your Claude Max or Anthropic Console account.
 
 ### Reporting Bugs