feat(web): bindable shortcut to regenerate a thread's title

apps/web/src/components/chat/useThreadLifecycle.tsx

@@ -682,6 +682,15 @@ export function useThreadLifecycle(input: ThreadLifecycleInput) {
         ),
       );
     },
+    "thread.regenerateTitle": () => {
+      if (!readEnvironmentScope(environmentId, AuthOrchestrationOperateScope)) return false;
+      if (!activeThreadShell || !activeThreadRef || !serverConfigLoaded) return;
+      if (activeThreadShell.titleRegeneration != null) return;
+      void updateThreadMetadata({
+        environmentId: activeThreadRef.environmentId,
+        input: { threadId: activeThreadRef.threadId, regenerateTitle: true },
+      }).then(toastThreadActionFailure("Failed to regenerate thread title"));
+    },
   } satisfies ChatShortcutCommands;
   return {
     shortcuts,

docs/user/keybindings.md

@@ -164,6 +164,9 @@ a shortcut.
 `thread.stop` interrupts the running turn in the focused thread. It has no default
 shortcut; assign one in **Settings → Keybindings**.
 
+`thread.regenerateTitle` generates a new title for the focused thread, like
+**Regenerate title** in the thread menu. It has no default shortcut.
+
 `thread.undo` (`mod+z` by default) reverses the actions shown in the notice at the
 bottom of the sidebar, such as unpin, settle, snooze, archive, or discarding a
 draft. Consecutive

packages/contracts/src/keybindings.ts

@@ -43,6 +43,7 @@ const THREAD_KEYBINDING_COMMANDS = [
   "thread.copyReference",
   "thread.settle",
   "thread.pin",
+  "thread.regenerateTitle",
   "thread.undo",
   ...THREAD_JUMP_KEYBINDING_COMMANDS,
 ] as const;