refactor: replace Any types with specific types and update bad_code.md

- Replace Any with object or specific types across codebase
- Add ReviewRequest dataclass for PR review payloads
- Update bad_code.md: mark 5.1 (Any Type Overuse) as resolved
- Fix summary table with accurate counts and unresolved issues list

gitea/repos_client.py

@@ -1,7 +1,6 @@
 """Repositories client for Gitea API operations."""
 
 import logging
-from typing import Any
 
 import httpx
 
@@ -36,7 +35,7 @@ class ReposClient:
             url = f"{self.base_url}/api/v1/user/repos"
             response = self.client.get(url)
             response.raise_for_status()
-            repos: list[dict[str, Any]] = response.json()
+            repos: list[dict[str, object]] = response.json()
             # Filter to ONLY configured organization repos, include mirrors
             seen: set[str] = set()
             result: list[RepositoryModel] = []