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/app/api/export/route.ts

@@ -0,0 +1,62 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { withAuth, createErrorResponse } from '@/lib/auth';
+import { createPocketBaseClient } from '@/lib/pocketbase';
+
+const COLLECTIONS = [
+  'tasks',
+  'habits',
+  'projects',
+  'notes',
+  'reports',
+  'milestones',
+  'domains',
+  'tags',
+  'agents',
+  'webhooks',
+] as const;
+
+type ExportCollection = (typeof COLLECTIONS)[number];
+
+// POST /api/export — Export all data as JSON
+export const POST = withAuth(async (request: NextRequest, _user) => {
+  let body: { collections?: ExportCollection[] } = {};
+  try {
+    body = await request.json();
+  } catch {
+    // Empty body is fine — export everything
+  }
+
+  const requestedCollections = body.collections && body.collections.length > 0
+    ? body.collections.filter((c): c is ExportCollection => COLLECTIONS.includes(c as ExportCollection))
+    : [...COLLECTIONS];
+
+  const pb = createPocketBaseClient();
+  const exportData: Record<string, unknown> = {
+    version: '1.0',
+    exportedAt: new Date().toISOString(),
+  };
+
+  for (const collection of requestedCollections) {
+    try {
+      const result = await pb.collection(collection).getList(1, 1000, {
+        sort: 'created',
+      });
+      exportData[collection] = result.items;
+    } catch (error) {
+      console.error(`Failed to export collection ${collection}:`, error);
+      exportData[collection] = [];
+    }
+  }
+
+  return NextResponse.json(exportData);
+});
+
+// GET /api/export — List available collections for export
+export const GET = withAuth(async (_request: NextRequest, _user) => {
+  return NextResponse.json({
+    collections: COLLECTIONS.map((name) => ({
+      name,
+      label: name.charAt(0).toUpperCase() + name.slice(1).replace(/_/g, ' '),
+    })),
+  });
+});