```

chore: refactor logging module, update genesis timestamp, remove model relationships, and reorganize routers

- Rename logging.py to logger.py and update import paths in poa.py and main.py
- Update devnet genesis timestamp to 1766828620
- Remove SQLModel Relationship declarations from Block, Transaction, and Receipt models
- Add SessionDep type alias and get_session dependency in coordinator-api deps
- Reorganize coordinator-api routers: replace explorer/registry with exchange, users, marketplace

apps/wallet-daemon/src/app/deps.py

@@ -10,7 +10,6 @@ from .receipts.service import ReceiptVerifierService
 from .settings import Settings, settings
 
 
-@lru_cache
 def get_settings() -> Settings:
     return settings
 
@@ -27,6 +26,5 @@ def get_keystore() -> KeystoreService:
     return KeystoreService()
 
 
-@lru_cache
 def get_ledger(config: Settings = Depends(get_settings)) -> SQLiteLedgerAdapter:
     return SQLiteLedgerAdapter(config.ledger_db_path)