feat. Enforce repo review config

src/gitea_codex_bot/services/review_format.py

@@ -33,8 +33,9 @@ def format_unsupported_ack(command: ParsedCommand) -> str:
     return f"⚠️ Command `@codex {command.name}` is not enabled on this repository."
 
 
-def format_result_comment(head_sha: str, result: dict) -> str:
+def format_result_comment(head_sha: str, result: dict, *, repo_configured: bool = True) -> str:
     usage_note = _format_usage_note(result)
+    missing_config_note = _format_missing_config_note(repo_configured)
     markdown_comment = result.get("markdown_comment")
     if isinstance(markdown_comment, str) and markdown_comment.strip():
         body = markdown_comment.strip()
@@ -71,6 +72,8 @@ def format_result_comment(head_sha: str, result: dict) -> str:
     body = "\n".join(lines).strip()
     if usage_note:
         body = f"{body}\n\n{usage_note}"
+    if missing_config_note:
+        body = f"{body}\n\n{missing_config_note}"
     return _inject_head_sha_marker(head_sha, body)
 
 
@@ -97,3 +100,9 @@ def _format_usage_note(result: dict) -> str:
     if isinstance(total_tokens, int):
         parts.append(f"total `{total_tokens}`")
     return f"_Note: {', '.join(parts)} tokens used._"
+
+
+def _format_missing_config_note(repo_configured: bool) -> str:
+    if repo_configured:
+        return ""
+    return "ℹ️.codex-review.yml is not configured"