Refactor ban management with domain models and mappers

- Add ban domain model for core business logic separation
- Implement mapper pattern for DTO/domain conversions
- Update ban service with new domain-driven approach
- Refactor router endpoints to use new architecture
- Add comprehensive mapper tests
- Update documentation with architecture changes

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

backend/app/repositories/protocols.py

@@ -235,6 +235,17 @@ class HistoryArchiveRepository(Protocol):
     ) -> tuple[list[dict[str, Any]], int]:
         ...
 
+    async def get_all_archived_history(
+        self,
+        db: aiosqlite.Connection,
+        since: int | None = None,
+        jail: str | None = None,
+        ip_filter: str | list[str] | None = None,
+        origin: BanOrigin | None = None,
+        action: str | None = None,
+    ) -> list[dict[str, Any]]:
+        ...
+
 
 class Fail2BanDbRepository(Protocol):
     async def check_db_nonempty(self, db_path: str) -> bool: