ci: use configured Claude model channel

Keep the workflow model name aligned with the configured Anthropic proxy channel while retaining robust response parsing in the review script.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: Zachary-wW

.github/workflows/claude-review.yml

@@ -59,7 +59,7 @@ jobs:
         env:
           ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
           ANTHROPIC_BASE_URL: ${{ secrets.ANTHROPIC_BASE_URL }}
-          CLAUDE_MODEL: "claude-sonnet-4-6"
+          CLAUDE_MODEL: "Claude Sonnet 4.6"
           SKILL_PATH: "skills/loongforge-review/SKILL.md"
           DIFF_PATH: "/tmp/pr-diff.txt"
           PR_TITLE: ${{ steps.meta.outputs.title }}