fix: remove dead f-string prefixes via ruff F541 (216 sites) (#52336)

ruff check --fix --select F541 . on current main. Pure prefix removals;
adjacent-string concatenations keep the f only on interpolating fragments.
No string content or live placeholder altered.

plugins/platforms/feishu/feishu_comment_rules.py

@@ -302,7 +302,7 @@ def _print_status() -> None:
     print(f"Pairing file: {PAIRING_FILE}")
     print(f"  exists: {PAIRING_FILE.exists()}")
     print()
-    print(f"Top-level:")
+    print("Top-level:")
     print(f"  enabled:    {cfg.enabled}")
     print(f"  policy:     {cfg.policy}")
     print(f"  allow_from: {sorted(cfg.allow_from) if cfg.allow_from else '[]'}")
@@ -339,7 +339,7 @@ def _do_check(doc_key: str, user_open_id: str) -> None:
     allowed = is_user_allowed(rule, user_open_id)
     print(f"Document:     {doc_key}")
     print(f"User:         {user_open_id}")
-    print(f"Resolved rule:")
+    print("Resolved rule:")
     print(f"  enabled:      {rule.enabled}")
     print(f"  policy:       {rule.policy}")
     print(f"  allow_from:   {sorted(rule.allow_from) if rule.allow_from else '[]'}")