Add settings and history archive repository protocols and DI support

backend/app/repositories/protocols.py

@@ -50,6 +50,22 @@ class SessionRepository(Protocol):
         ...
 
 
+class SettingsRepository(Protocol):
+    """Protocol for application settings persistence operations."""
+
+    async def get_setting(self, db: aiosqlite.Connection, key: str) -> str | None:
+        ...
+
+    async def set_setting(self, db: aiosqlite.Connection, key: str, value: str) -> None:
+        ...
+
+    async def delete_setting(self, db: aiosqlite.Connection, key: str) -> None:
+        ...
+
+    async def get_all_settings(self, db: aiosqlite.Connection) -> dict[str, str]:
+        ...
+
+
 class BlocklistRepository(Protocol):
     async def create_source(
         self,
@@ -154,6 +170,38 @@ class GeoCacheRepository(Protocol):
         ...
 
 
+class HistoryArchiveRepository(Protocol):
+    """Protocol for archived ban history persistence operations."""
+
+    async def archive_ban_event(
+        self,
+        db: aiosqlite.Connection,
+        jail: str,
+        ip: str,
+        timeofban: int,
+        bancount: int,
+        data: str,
+        action: str = "ban",
+    ) -> bool:
+        ...
+
+    async def get_max_timeofban(self, db: aiosqlite.Connection) -> int | None:
+        ...
+
+    async def get_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,
+        page: int = 1,
+        page_size: int = 100,
+    ) -> tuple[list[dict[str, object]], int]:
+        ...
+
+
 class Fail2BanDbRepository(Protocol):
     async def check_db_nonempty(self, db_path: str) -> bool:
         ...