Use standard review guide

scripts/gitea_api.py

@@ -178,3 +178,19 @@ def format_issues_markdown(issues):
             f"\n{iss['body']}\n"
         )
     return "\n".join(parts)
+
+
+_STANDARDS_URL = "/api/v1/repos/zeekrAI/knowledge-base/raw/docs/process/code-review.md?ref=main"
+
+
+def fetch_standards_doc(gitea_url, api_token):
+    """Fetch the code-review standards document from Gitea via API.
+
+    Returns the raw markdown text, or ``""`` on failure.
+    """
+    try:
+        return _api_req(gitea_url, api_token, "GET", _STANDARDS_URL).decode(
+            "utf-8", errors="replace"
+        )
+    except Exception:
+        return ""