Scope preview tabs by thread

- Add IPC to activate a thread's preview set
- Keep preview tabs and WebContentsView state isolated per thread
- Pass thread IDs from the preview panel when opening tabs

Author: BunsDev

apps/desktop/src/main.ts

@@ -65,6 +65,7 @@ const UPDATE_INSTALL_CHANNEL = "desktop:update-install";
 const PREVIEW_CREATE_TAB_CHANNEL = "desktop:preview-create-tab";
 const PREVIEW_CLOSE_TAB_CHANNEL = "desktop:preview-close-tab";
 const PREVIEW_ACTIVATE_TAB_CHANNEL = "desktop:preview-activate-tab";
+const PREVIEW_ACTIVATE_THREAD_CHANNEL = "desktop:preview-activate-thread";
 const PREVIEW_GO_BACK_CHANNEL = "desktop:preview-go-back";
 const PREVIEW_GO_FORWARD_CHANNEL = "desktop:preview-go-forward";
 const PREVIEW_RELOAD_CHANNEL = "desktop:preview-reload";
@@ -1275,18 +1276,29 @@ function registerIpcHandlers(): void {
   ipcMain.removeHandler(PREVIEW_CREATE_TAB_CHANNEL);
   ipcMain.handle(
     PREVIEW_CREATE_TAB_CHANNEL,
-    async (event, input: { url?: unknown; title?: unknown }) => {
+    async (event, input: { url?: unknown; title?: unknown; threadId?: unknown }) => {
       const window = resolvePreviewWindow(event.sender);
       if (!window) {
         return { tabId: "", state: createEmptyTabsState() };
       }
       return getPreviewController(window).createTab({
         url: input?.url,
         title: input?.title,
+        threadId: input?.threadId,
       });
     },
   );
 
+  ipcMain.removeHandler(PREVIEW_ACTIVATE_THREAD_CHANNEL);
+  ipcMain.handle(
+    PREVIEW_ACTIVATE_THREAD_CHANNEL,
+    async (event, input: { threadId?: string }) => {
+      const window = resolvePreviewWindow(event.sender);
+      if (!window || !input?.threadId) return createEmptyTabsState();
+      return getPreviewController(window).activateThread(input.threadId);
+    },
+  );
+
   ipcMain.removeHandler(PREVIEW_CLOSE_TAB_CHANNEL);
   ipcMain.handle(PREVIEW_CLOSE_TAB_CHANNEL, async (event, input: { tabId?: PreviewTabId }) => {
     const window = resolvePreviewWindow(event.sender);

apps/desktop/src/preload.ts

@@ -15,6 +15,7 @@ const UPDATE_INSTALL_CHANNEL = "desktop:update-install";
 const PREVIEW_CREATE_TAB_CHANNEL = "desktop:preview-create-tab";
 const PREVIEW_CLOSE_TAB_CHANNEL = "desktop:preview-close-tab";
 const PREVIEW_ACTIVATE_TAB_CHANNEL = "desktop:preview-activate-tab";
+const PREVIEW_ACTIVATE_THREAD_CHANNEL = "desktop:preview-activate-thread";
 const PREVIEW_GO_BACK_CHANNEL = "desktop:preview-go-back";
 const PREVIEW_GO_FORWARD_CHANNEL = "desktop:preview-go-forward";
 const PREVIEW_RELOAD_CHANNEL = "desktop:preview-reload";
@@ -63,6 +64,7 @@ contextBridge.exposeInMainWorld("desktopBridge", {
     createTab: (input) => ipcRenderer.invoke(PREVIEW_CREATE_TAB_CHANNEL, input),
     closeTab: (input) => ipcRenderer.invoke(PREVIEW_CLOSE_TAB_CHANNEL, input),
     activateTab: (input) => ipcRenderer.invoke(PREVIEW_ACTIVATE_TAB_CHANNEL, input),
+    activateThread: (input) => ipcRenderer.invoke(PREVIEW_ACTIVATE_THREAD_CHANNEL, input),
     goBack: () => ipcRenderer.invoke(PREVIEW_GO_BACK_CHANNEL),
     goForward: () => ipcRenderer.invoke(PREVIEW_GO_FORWARD_CHANNEL),
     reload: () => ipcRenderer.invoke(PREVIEW_RELOAD_CHANNEL),