Add QueueRepositoryInterface with memory and file-backed adapters.

Provide a generic disk-backed FIFO queue with configurable path, retention, and dedup keys so consumers can buffer items across restarts without optional extras.

Co-authored-by: Cursor <[email protected]>

python_repositories/config/__init__.py

@@ -1,9 +1,11 @@
 from .dotenv_loader import load_dotenv as load_dotenv
+from .file_queue_config import FileQueueConfig as FileQueueConfig
 from .minio_config import MinioConfig as MinioConfig
 from .postgres_config import PostgresConfig as PostgresConfig
 from .redis_config import RedisConfig as RedisConfig
 
 __all__ = [
+    "FileQueueConfig",
     "MinioConfig",
     "PostgresConfig",
     "RedisConfig",