Project actions: run commands from header on web + mobile, with SSH-forward URL opening (#542)

* feat: add project actions in header with reliable terminal run flow

- Add per-project Actions settings with icons, platform filters, and default action
- Run/stop actions from header using terminal tabs, including Ctrl+C then force-kill fallback
- Improve terminal UX with stable selection, resize handling, and smarter URL auto-open for localhost ports

* feat: add project actions UI with refined header dropdown behavior

* feat: add parent-session back button in chat

* fix: make web and desktop dev modes reliable and conflict-free

- Separate desktop and web dev ports to avoid collisions
- Add robust process-tree shutdown so Ctrl+C cleans sidecars
- Add true web HMR mode and keep service worker out of dev

* fix: linux safe scripts for dev

* feat: run project actions on web and add desktop SSH forward URL opening

* feat: add mobile project actions button with terminal tabs and tighter tab UI

* revert: remove experimental mobile terminal selection UI

* feat: show Add action button in header when empty

* fix: make retry countdown human-readable in status row

* fix: prevent nav rail actions from firing through overlays

packages/ui/src/components/views/SettingsWindow.tsx

@@ -19,9 +19,22 @@ export const SettingsWindow: React.FC<SettingsWindowProps> = ({ open, onOpenChan
       <DialogPrimitive.Portal>
         <DialogPrimitive.Overlay
           className="fixed inset-0 z-50 bg-black/50 backdrop-blur-md"
+          onPointerDown={(event) => {
+            event.stopPropagation();
+          }}
+          onPointerUp={(event) => {
+            event.stopPropagation();
+          }}
+          onClick={(event) => {
+            event.stopPropagation();
+            onOpenChange(false);
+          }}
         />
         <DialogPrimitive.Content
           aria-describedby={descriptionId}
+          onPointerDownOutside={(event) => {
+            event.preventDefault();
+          }}
           className={cn(
             'fixed z-50 top-[50%] left-[50%] translate-x-[-50%] translate-y-[-50%]',
             'w-[90vw] max-w-[960px] h-[85vh] max-h-[900px]',