Refactor backend services and utilities

- Update service layer implementations
- Improve configuration handling utilities
- Update documentation tasks

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

backend/app/utils/constants.py

@@ -13,8 +13,11 @@ from typing import Final
 DEFAULT_FAIL2BAN_SOCKET: Final[str] = "/var/run/fail2ban/fail2ban.sock"
 """Default path to the fail2ban Unix domain socket."""
 
-FAIL2BAN_SOCKET_TIMEOUT_SECONDS: Final[float] = 5.0
-"""Maximum seconds to wait for a response from the fail2ban socket."""
+FAIL2BAN_SOCKET_TIMEOUT_FAST: Final[float] = 5.0
+"""Maximum seconds for fast operations (health checks, metadata probes)."""
+
+FAIL2BAN_SOCKET_TIMEOUT: Final[float] = 10.0
+"""Maximum seconds for command operations (config, jail management)."""
 
 FAIL2BAN_TRUTHY_VALUES: Final[frozenset[str]] = frozenset({"true", "yes", "1"})
 """String values treated as boolean true by fail2ban configuration parsers."""