update: エントリの単数化のフォローアップ

crates/pod/src/ipc/notify_buffer.rs

@@ -5,8 +5,8 @@
 //! `PodInterceptor::pending_history_appends`, which the Worker calls
 //! at the head of each turn loop iteration. The drain renders each
 //! pending entry into a typed `SystemItem` (with the `notify_wrapper`
-//! prompt applied), commits a `LogEntry::SystemItems` through the
-//! session-log sink, and returns the corresponding
+//! prompt applied), commits a `LogEntry::SystemItem` per entry through
+//! the session-log sink, and returns the corresponding
 //! `Item::system_message`s for the worker to append to its
 //! persistent history.
 //!

crates/pod/src/ipc/server.rs

@@ -115,9 +115,20 @@ async fn handle_connection(stream: tokio::net::UnixStream, handle: PodHandle) {
                                     .expect("SystemItem is Serialize");
                                 Some(Event::SystemItem { item: value })
                             }
-                            // Defensive: should never reach here per
-                            // `SessionLogSink::is_live_relevant`.
-                            _ => None,
+                            other => {
+                                // `SessionLogSink::is_live_relevant` keeps
+                                // non-live-relevant variants off the
+                                // broadcast lane; reaching here means the
+                                // two are out of sync and we silently
+                                // dropped a wire event. Log so a future
+                                // regression surfaces instead of vanishing.
+                                tracing::error!(
+                                    entry_kind = ?std::mem::discriminant(&other),
+                                    "session-log broadcast emitted a non-live-relevant entry; \
+                                     sink filter and IPC dispatch are out of sync"
+                                );
+                                None
+                            }
                         };
                         if let Some(event) = outbound {
                             if writer.write(&event).await.is_err() {