feat(poweruser): quick capture + inbox keyboard nav + undo toasts

- Global quick capture modal (Cmd+Shift+C) with NL parse preview
- Task/note/event type selector, create with active domain
- Toast with undo button after creation
- Inbox page: j/k keyboard navigation, Enter to open
- Quick capture input at top of inbox
- Undo toasts for task/note/habit deletion (recreates via POST)
- StatusBar + QuickCapture mounted in _app layout

apps/web/src/lib/undo/use-undo-toast.ts

@@ -0,0 +1,33 @@
+import { toast } from "sonner";
+import { api } from "@/lib/api";
+
+export function showUndoToast(
+  entityType: string,
+  entityId: string,
+  entityData: Record<string, any>,
+  queryClient: { invalidateQueries: (opts: { queryKey: string[] }) => void },
+  queryKey: string[],
+) {
+  toast.success(`${entityType} deleted`, {
+    action: {
+      label: "Undo",
+      onClick: async () => {
+        try {
+          const endpoint =
+            entityType === "task"
+              ? "/tasks"
+              : entityType === "note"
+                ? "/notes"
+                : entityType === "habit"
+                  ? "/habits"
+                  : "/calendar/events";
+          await api.post(endpoint, entityData);
+          queryClient.invalidateQueries({ queryKey });
+          toast.success(`${entityType} restored`);
+        } catch {
+          toast.error("Failed to restore");
+        }
+      },
+    },
+  });
+}