- Added detailed shared-stream/buffer/provider logging to trace lag, cache persistence, and session/provider lifecycle events.

- Connection registration failures now trigger an explicit disconnect so zombie sockets don’t linger.
- Shared stream shutdown now drops registry locks before releasing provider handles to prevent cross-lock stalls.

backend/src/api/api_utils.rs

@@ -22,7 +22,7 @@ use axum::response::IntoResponse;
 use chrono::{DateTime, Utc};
 use futures::{StreamExt, TryStreamExt};
 use jsonwebtoken::{decode, Algorithm, DecodingKey, Validation};
-use log::{debug, error, info, log_enabled, trace, warn};
+use log::{debug, error, log_enabled, trace, warn};
 use reqwest::header::RETRY_AFTER;
 use serde::Serialize;
 use shared::model::{Claims, InputFetchMethod, PlaylistEntry, PlaylistItemType, StreamChannel, TargetType, UserConnectionPermission, XtreamCluster};