Initialize backendized SurClaw report system

- Add React/Vite frontend for login, dashboard, reports, templates, users, settings, AI, speech, and media workflows.

- Add NestJS/Prisma/PostgreSQL backend with auth, dashboard stats, reports, templates, users, departments, settings, files, AI, speech, audit logs, and HTML sanitization.

- Add Prisma schema, migrations, seed data, persistent app sessions, Docker/Nginx deployment files, and upload volume configuration.

- Add Vitest, Playwright, backend integration tests, and project documentation for requirements, design, permissions, API contracts, testing, deployment, security, and progress.

- Configure production local fallback switch and remove unused Gemini direct dependency/env wiring.

src/api/dashboard.test.ts

@@ -0,0 +1,29 @@
+import { describe, expect, it, vi } from 'vitest';
+import { getDashboardStats } from './dashboard';
+
+describe('dashboard api', () => {
+  it('loads dashboard stats from backend', async () => {
+    vi.mocked(fetch).mockResolvedValueOnce({
+      ok: true,
+      headers: new Headers({ 'content-type': 'application/json' }),
+      json: async () => ({
+        data: {
+          stats: {
+            totalCount: 1,
+            monthCount: 1,
+            templateCount: 2,
+            userCount: 3,
+            todayCount: 1,
+            trend: [0, 1],
+            trendLabels: ['5/1', '5/2'],
+            trendFullDates: ['2026-05-01', '2026-05-02'],
+            maxTrend: 1,
+          },
+        },
+      }),
+    } as Response);
+
+    await expect(getDashboardStats('7days')).resolves.toMatchObject({ totalCount: 1, userCount: 3 });
+    expect(fetch).toHaveBeenCalledWith('/api/dashboard/stats?range=7days', expect.objectContaining({ credentials: 'include' }));
+  });
+});