Implement Rust web sidebar title and tree interactions

rust/crates/mnote-web/src/routes/sse.rs

@@ -153,8 +153,19 @@ struct StreamPollState {
 }
 
 fn stream_event(event_name: &str, payload: &Value) -> Event {
+    let event_id = payload
+        .get("revision")
+        .and_then(|value| {
+            value
+                .as_str()
+                .map(ToOwned::to_owned)
+                .or_else(|| value.as_u64().map(|number| number.to_string()))
+        })
+        .or_else(|| payload.get("cursor").and_then(Value::as_str).map(ToOwned::to_owned))
+        .unwrap_or_else(|| "0".into());
     Event::default()
         .event(event_name)
+        .id(event_id)
         .json_data(payload)
         .expect("SSE 事件必须可序列化")
 }
@@ -245,4 +256,25 @@ mod tests {
         assert!(text.contains("event: snapshot") || text.contains("event:snapshot"));
         assert!(text.contains("\"kind\":\"snapshot\""));
     }
+
+    #[tokio::test]
+    async fn tree_events_route_includes_event_id_and_revision() {
+        let response = app()
+            .oneshot(
+                Request::builder()
+                    .uri("/api/tree/events?workspaceId=ws_demo&maxPolls=0")
+                    .body(Body::empty())
+                    .expect("request"),
+            )
+            .await
+            .expect("response");
+
+        assert_eq!(response.status(), StatusCode::OK);
+        let body = to_bytes(response.into_body(), usize::MAX)
+            .await
+            .expect("body");
+        let text = String::from_utf8(body.to_vec()).expect("utf8");
+        assert!(text.contains("id: "));
+        assert!(text.contains("\"revision\""));
+    }
 }