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.

e2e/report-revision.spec.ts

@@ -0,0 +1,41 @@
+import { expect, test } from '@playwright/test';
+import { baseTemplates, baseUsers, seedLocalStorage } from './helpers';
+
+test('editing a completed report increments revision and preserves history', async ({ page }) => {
+  await seedLocalStorage(page, {
+    users: baseUsers,
+    templates: baseTemplates,
+    currentUser: baseUsers[2],
+    reports: [
+      {
+        id: 'RPT_DONE',
+        title: '已完成报告',
+        patientName: '患者甲',
+        hospitalId: 'H001',
+        department: '外科',
+        content: '<p>旧报告内容</p>',
+        author: '0001',
+        authorName: '张医生',
+        createdAt: '2026-05-01',
+        updatedAt: '2026-05-01T08:00:00.000Z',
+        status: 'completed',
+        revision: 1,
+        history: [],
+      },
+    ],
+  });
+
+  await page.goto('/report-editor?id=RPT_DONE');
+  await expect(page.getByText('编辑报告: RPT_DONE')).toBeVisible();
+
+  await page.getByRole('button', { name: '完成报告' }).click();
+  await page.waitForURL('**/report-manage');
+
+  const report = await page.evaluate(() => {
+    return JSON.parse(window.localStorage.getItem('reports') || '[]')[0];
+  });
+
+  expect(report.revision).toBe(2);
+  expect(report.history).toHaveLength(1);
+  expect(report.history[0].revision).toBe(1);
+});