refactor: migrate to monorepo structure with Docker, PocketBase, and e2e tests

- Reorganize into apps/, packages/, docs/, e2e/, pocketbase/ directories
- Add Dockerfiles for web, worker, and PocketBase services
- Add docker-compose.yml for local orchestration
- Add turbo.json for monorepo task management
- Add Playwright e2e test infrastructure
- Add PocketBase backend with migrations
- Remove Vite/Next.js/ESLint/PostCSS config files
- Update package.json with workspace dependencies
- Add .env.example and .dockerignore

apps/web/lib/stores/use-dashboard-store.ts

@@ -0,0 +1,62 @@
+import { create } from 'zustand';
+import { persist } from 'zustand/middleware';
+
+interface WidgetConfig {
+  id: string;
+  type: string;
+  x: number;
+  y: number;
+  w: number;
+  h: number;
+  visible: boolean;
+}
+
+interface DashboardState {
+  widgets: WidgetConfig[];
+
+  // Actions
+  setWidgets: (widgets: WidgetConfig[]) => void;
+  updateWidget: (id: string, updates: Partial<WidgetConfig>) => void;
+  addWidget: (widget: WidgetConfig) => void;
+  removeWidget: (id: string) => void;
+  resetLayout: () => void;
+}
+
+const defaultWidgets: WidgetConfig[] = [
+  { id: 'today-tasks', type: 'TodayTasks', x: 0, y: 0, w: 6, h: 4, visible: true },
+  { id: 'habit-checklist', type: 'HabitChecklist', x: 6, y: 0, w: 3, h: 4, visible: true },
+  { id: 'weekly-stats', type: 'WeeklyStats', x: 9, y: 0, w: 3, h: 4, visible: true },
+  { id: 'project-progress', type: 'ProjectProgress', x: 0, y: 4, w: 4, h: 3, visible: true },
+  { id: 'habit-streaks', type: 'HabitStreaks', x: 4, y: 4, w: 4, h: 3, visible: true },
+  { id: 'calendar-mini', type: 'CalendarMini', x: 8, y: 4, w: 4, h: 3, visible: true },
+  { id: 'quick-add', type: 'QuickAdd', x: 0, y: 7, w: 3, h: 3, visible: true },
+  { id: 'recent-activity', type: 'RecentActivity', x: 3, y: 7, w: 9, h: 3, visible: true },
+];
+
+export const useDashboardStore = create<DashboardState>()(
+  persist(
+    (set) => ({
+      widgets: defaultWidgets,
+
+      setWidgets: (widgets) => set({ widgets }),
+      updateWidget: (id, updates) =>
+        set((state) => ({
+          widgets: state.widgets.map((w) =>
+            w.id === id ? { ...w, ...updates } : w
+          ),
+        })),
+      addWidget: (widget) =>
+        set((state) => ({
+          widgets: [...state.widgets, widget],
+        })),
+      removeWidget: (id) =>
+        set((state) => ({
+          widgets: state.widgets.filter((w) => w.id !== id),
+        })),
+      resetLayout: () => set({ widgets: defaultWidgets }),
+    }),
+    {
+      name: 'project-e-dashboard',
+    }
+  )
+);