feat(watcher,api,frontend): archive who writes to watched bots over mtproto

backend/src/utils/env.py

@@ -31,6 +31,12 @@ class TelegramSettings(BaseSettings):
     sessions_dir: str = "sessions"
 
 
+class BotsSettings(BaseSettings):
+    sessions_dir: str = "sessions/bots"
+    backfill_per_chat: int = 0
+    backfill_chats: int = 0
+
+
 class ApiSettings(BaseSettings):
     host: str = "0.0.0.0"  # noqa: S104
     port: int = 8080
@@ -56,6 +62,7 @@ class LogSettings(BaseSettings):
 class Settings(BaseSettings):
     db: DatabaseSettings = Field(default_factory=DatabaseSettings)
     tg: TelegramSettings = Field(default_factory=TelegramSettings)
+    bots: BotsSettings = Field(default_factory=BotsSettings)
     api: ApiSettings = Field(default_factory=ApiSettings)
     auth: AuthSettings = Field(default_factory=AuthSettings)
     storage: StorageSettings = Field(default_factory=StorageSettings)