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/projects/[id]/progress/route.ts

@@ -0,0 +1,12 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { withAuth } from '@/lib/auth';
+import { computeProjectProgress } from '@/lib/services/project-service';
+
+type RouteContext = { params: Promise<{ id: string }> };
+
+// GET /api/projects/[id]/progress — Get project progress
+export const GET = withAuth<RouteContext>(async (_request: NextRequest, _user, context) => {
+  const { id } = await context!.params;
+  const progress = await computeProjectProgress(id);
+  return NextResponse.json({ progress });
+});