refactor(quality): clean up unused imports, variables, and redundant f-strings

src/Server.py

@@ -443,7 +443,7 @@ def load_or_init_config(config_path: str = CONFIG_FILE_NAME) -> Dict[str, Any]:
     with open(config_path, "w", encoding="utf-8") as f:
         json.dump(config, f, indent=2)
 
-    print(f"[+] Successfully generated new server config and OpenPGP keypair.")
+    print("[+] Successfully generated new server config and OpenPGP keypair.")
     print(f"[+] Server Encryption Fingerprint: {fingerprint}")
     print(f"[+] Saved to: {os.path.abspath(config_path)}")
     return config
@@ -1896,7 +1896,6 @@ def serve_webui(request: Request = None):
     pct = summary["percentage"]
     bar_color = "#10b981" if pct < 70 else ("#f59e0b" if pct < 90 else "#ef4444")
     badge_status_cls = "badge-active" if summary["status"] == "ACTIVE" else ("badge-warning" if summary["status"] == "SELF-SIGNED" else "badge-revoked")
-    total_nodes = summary["active_seats"] + summary["revoked_seats"]
 
     detected_host = (request.headers.get("host", "").split(":")[0] if request and request.headers else "") or config.get("tcp_host", "127.0.0.1")
     if detected_host in ("0.0.0.0", "localhost", ""):
@@ -2649,7 +2648,7 @@ def main():
             force_renew=True
         )
 
-        print(f"[+] Successfully imported and activated signed license!")
+        print("[+] Successfully imported and activated signed license!")
         print(f"    - Granted Seats: {new_seats}")
         print(f"    - License ID: {res.get('license_id') or info.get('license_id')}")
         print(f"    - Expires: {info.get('not_valid_after') or res.get('expires_at') or 'N/A'}")
@@ -2722,7 +2721,7 @@ def main():
             cert_dir=cert_dir,
             force_renew=True
         )
-        print(f"[+] License successfully synchronized with master server!")
+        print("[+] License successfully synchronized with master server!")
         print(f"    - Active Seat Quota: {new_seats}")
         print(f"    - License ID: {info.get('license_id')}")
         print(f"    - Expires: {info.get('not_valid_after')}")