feat: AI code review via Z.AI

Author: maamokun

.github/workflows/opencode-review.yml

@@ -9,9 +9,9 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       id-token: write
-      contents: read
-      pull-requests: read
-      issues: read
+      contents: write
+      pull-requests: write
+      issues: write
     steps:
       - uses: actions/checkout@v6
       - uses: anomalyco/opencode/github@latest