fix: update output() signature with format and title parameters, fix Config import in dual_mode_wallet_adapter

- Added format and title parameters to output() function in utils/__init__.py
- Handle format='json'/'yaml' for structured data output
- Display optional title with underline separator when provided
- Fixed import in dual_mode_wallet_adapter.py from config.Config to aitbc_cli.config.CLIConfig

cli/utils/dual_mode_wallet_adapter.py

@@ -13,7 +13,7 @@ from datetime import datetime
 
 sys.path.insert(0, "/opt/aitbc/cli")
 from utils.wallet_daemon_client import WalletDaemonClient, WalletInfo, WalletBalance, ChainInfo, WalletMigrationResult
-from config import Config
+from aitbc_cli.config import CLIConfig as Config
 from utils import error, success, output