github: enable inline PR comments for Claude code review

Allow Claude to post inline comments on specific lines when reviewing
PRs via the /claude trigger phrase.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Link: https://github.com/openwrt/openwrt/pull/22897
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

.github/workflows/claude-code-review.yml

@@ -31,3 +31,5 @@ jobs:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           github_token: ${{ secrets.GITHUB_TOKEN }}
           trigger_phrase: "/claude"
+          claude_args: >-
+            --allowedTools "mcp__github_inline_comment__create_inline_comment"