fix(qconnect): align queue load payload and inbound diagnostics

cx

crates/qconnect-protocol/src/mapper.rs

@@ -187,8 +187,7 @@ fn map_queue_command(command: &QueueCommand) -> Result<QConnectMessage, Protocol
             let shuffle_mode = optional_bool(&command.payload, "shuffle_mode", false);
             let context_uuid = optional_uuid_bytes(&command.payload, &["context_uuid"])?;
             let autoplay_reset = optional_bool(&command.payload, "autoplay_reset", false);
-            let autoplay_loading =
-                optional_bool(&command.payload, "autoplay_loading", autoplay_reset);
+            let autoplay_loading = optional_bool(&command.payload, "autoplay_loading", false);
 
             Ok(QConnectMessage {
                 message_type: Some(QConnectMessageType::MessageTypeCtrlSrvrQueueLoadTracks as i32),
@@ -1084,7 +1083,7 @@ mod tests {
         assert_eq!(load.shuffle_seed, Some(3344));
         assert_eq!(load.shuffle_pivot_index, Some(1));
         assert_eq!(load.autoplay_reset, Some(true));
-        assert_eq!(load.autoplay_loading, Some(true));
+        assert_eq!(load.autoplay_loading, Some(false));
         assert_eq!(
             load.queue_version_ref
                 .as_ref()
@@ -1100,6 +1099,37 @@ mod tests {
         assert_eq!(load.context_uuid.as_ref().map(|uuid| uuid.len()), Some(16));
     }
 
+    #[test]
+    fn defaults_queue_load_tracks_autoplay_loading_to_false_when_omitted() {
+        let command = QueueCommand::new(
+            QueueCommandType::CtrlSrvrQueueLoadTracks,
+            "f997cd72-d2ce-4121-a89b-75bf2be251ec",
+            QueueVersion::new(3, 9),
+            json!({
+                "track_ids": [2001, 2002, 2003],
+                "queue_position": 2,
+                "shuffle_mode": false,
+                "shuffle_pivot_index": 2,
+                "context_uuid": "a3f7be0f-3854-44c6-9194-c93cedec322a",
+                "autoplay_reset": true
+            }),
+        );
+
+        let payload = encode_queue_command_batch(&command).expect("batch payload");
+        let decoded = QConnectMessages::decode(payload.as_slice()).expect("decode batch");
+        let load = decoded.messages[0]
+            .ctrl_srvr_queue_load_tracks
+            .as_ref()
+            .expect("queue load payload");
+
+        assert_eq!(load.queue_position, Some(2));
+        assert_eq!(load.shuffle_mode, Some(false));
+        assert_eq!(load.shuffle_pivot_index, Some(2));
+        assert_eq!(load.autoplay_reset, Some(true));
+        assert_eq!(load.autoplay_loading, Some(false));
+        assert_eq!(load.context_uuid.as_ref().map(|uuid| uuid.len()), Some(16));
+    }
+
     #[test]
     fn encodes_renderer_state_updated_report_with_queue_version() {
         let report = RendererReport::new(

src-tauri/src/qconnect_service.rs

@@ -1,6 +1,7 @@
 use std::{
     collections::HashMap,
     sync::{Arc, OnceLock},
+    time::{SystemTime, UNIX_EPOCH},
 };
 
 use async_trait::async_trait;
@@ -12,7 +13,7 @@ use qconnect_app::{
 };
 use qconnect_transport_ws::{NativeWsTransport, WsTransportConfig};
 use serde::{Deserialize, Serialize};
-use serde_json::Value;
+use serde_json::{json, Value};
 use tauri::async_runtime::JoinHandle;
 use tauri::{AppHandle, Emitter, State};
 use tokio::sync::{Mutex, RwLock};
@@ -308,6 +309,38 @@ struct QconnectRemoteSyncState {
     session: QconnectSessionState,
 }
 
+fn queue_payload_track_preview(payload: &Value, key: &str) -> Vec<i64> {
+    payload
+        .get(key)
+        .and_then(Value::as_array)
+        .map(|tracks| {
+            tracks
+                .iter()
+                .filter_map(|track| track.get("track_id").and_then(Value::as_i64))
+                .take(8)
+                .collect::<Vec<_>>()
+        })
+        .unwrap_or_default()
+}
+
+fn emit_qconnect_diagnostic(app_handle: &AppHandle, channel: &str, level: &str, payload: Value) {
+    let ts = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .map(|duration| duration.as_millis() as u64)
+        .unwrap_or(0);
+    if let Err(err) = app_handle.emit(
+        "qconnect:diagnostic",
+        json!({
+            "ts": ts,
+            "channel": channel,
+            "level": level,
+            "payload": payload,
+        }),
+    ) {
+        log::warn!("[QConnect] Failed to emit diagnostic {channel}: {err}");
+    }
+}
+
 #[derive(Debug, Clone, Default, Serialize, Deserialize)]
 pub struct QconnectSessionState {
     pub session_uuid: Option<String>,
@@ -587,6 +620,20 @@ impl QconnectServiceState {
                             }
                             qconnect_transport_ws::TransportEvent::InboundQueueServerEvent(evt) => {
                                 log::info!("[QConnect] <-- Inbound queue event: {} payload={}", evt.message_type(), evt.payload);
+                                emit_qconnect_diagnostic(
+                                    &app_for_errors,
+                                    "qconnect:inbound_queue_event",
+                                    "info",
+                                    json!({
+                                        "message_type": evt.message_type(),
+                                        "action_uuid": evt.action_uuid.clone(),
+                                        "queue_version": evt.queue_version,
+                                        "track_count": evt.payload.get("tracks").and_then(|value| value.as_array()).map(|tracks| tracks.len()).unwrap_or(0),
+                                        "autoplay_track_count": evt.payload.get("autoplay_tracks").and_then(|value| value.as_array()).map(|tracks| tracks.len()).unwrap_or(0),
+                                        "preview_track_ids": queue_payload_track_preview(&evt.payload, "tracks"),
+                                        "preview_autoplay_track_ids": queue_payload_track_preview(&evt.payload, "autoplay_tracks"),
+                                    }),
+                                );
                             }
                             qconnect_transport_ws::TransportEvent::InboundRendererServerCommand(cmd) => {
                                 log::info!("[QConnect] <-- Inbound renderer command: {} payload={}", cmd.message_type(), cmd.payload);

src/lib/services/trackActions.ts

@@ -530,17 +530,23 @@ export async function loadQconnectQueue(
   }
 
   try {
+    const normalizedStartIndex = Math.max(0, Math.min(startIndex, Math.max(trackIds.length - 1, 0)));
+    const shuffleSeed = shuffleMode
+      ? Math.floor(Math.random() * 0x1_0000_0000)
+      : undefined;
     const payload = {
       track_ids: trackIds,
-      queue_position: startIndex,
+      queue_position: shuffleMode ? 0 : normalizedStartIndex,
+      shuffle_seed: shuffleSeed,
+      shuffle_pivot_index: normalizedStartIndex,
       shuffle_mode: shuffleMode,
       context_uuid: crypto.randomUUID(),
       autoplay_reset: true,
-      autoplay_loading: true
+      autoplay_loading: false
     };
     await emitQconnectDiagnostic('qconnect:queue_load_tracks', 'info', {
       track_count: trackIds.length,
-      start_index: startIndex,
+      start_index: normalizedStartIndex,
       shuffle_mode: shuffleMode,
       preview_track_ids: trackIds.slice(0, 8),
       payload
@@ -550,7 +556,7 @@ export async function loadQconnectQueue(
     console.log('[QConnect/LoadQueue] SUCCESS');
     await emitQconnectDiagnostic('qconnect:queue_load_sent', 'info', {
       track_count: trackIds.length,
-      start_index: startIndex,
+      start_index: normalizedStartIndex,
       shuffle_mode: shuffleMode,
       preview_track_ids: trackIds.slice(0, 8)
     });