fix(bridge): load dung VSTi theo track (V9) - bo early-return mui theo flag, load qua Tauri invoke khi co path, guard path sai (WaveObserver vs Nexus), chi mo GUI khi load OK; sync 6 ban JS + index.html ?v; kem cac fix bridge truoc (bugs 1-4, GUI restore)

native_bridge/src/main.cpp

@@ -1170,13 +1170,12 @@ int main(int argc, char* argv[]) {
                     }
                 });
             }
+            // FIX auto-play: KHONG tu bat transport khi restore state -- bridge
+            // khong duoc tu phat am. Frontend la chu transport: page dang play
+            // that su se tu gui PLAY lai sau reconnect; page fresh thi im lang.
             if (snap.playing) {
-                playheadSamples = (uint64_t)snap.playhead;
-                transportStopped = false;
-                g_transportPlaying = true;
-                g_stateDirty = true;
-                std::cout << "[NativeBridge] restoring transport PLAY playhead="
-                          << playheadSamples.load() << std::endl;
+                std::cout << "[NativeBridge] restore transport SKIPPED (snap.playing=true)"
+                          << std::endl;
             }
         } else {
             std::cout << "[NativeBridge] no state file to restore (" << stateFile << ")" << std::endl;
@@ -1386,8 +1385,8 @@ int main(int argc, char* argv[]) {
             {
                 std::lock_guard<std::mutex> lock(g_pendingGuiMutex);
                 for (auto it = g_pendingGui.begin(); it != g_pendingGui.end(); ) {
-                    // G0.1: giu entry khi dang PLAY - handleOpenGui se defer lai
-                    if (transportStopped && instruments.has(it->first)) {
+                    // G0.1: fulfill as soon as instrument is ready, even while playing
+                    if (instruments.has(it->first)) {
                         readyGui.push_back({ it->first, it->second });
                         it = g_pendingGui.erase(it);
                     } else ++it;