fix(数据): 支持大体积 AppData 并修正默认状态

关键改动：

- 后端显式注册 10mb JSON/urlencoded body parser，支持较大的 AppData 写入

- 前端版本派生数据缺失状态时默认 planned，而不是 released

- 增加请求体限制和版本默认状态测试

Co-Authored-By: Codex GPT-5 <codex@openai.com>

apps/web/lib/derive.test.ts

@@ -0,0 +1,32 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { flattenProjects, flattenVersions } from './derive';
+
+const overview = [{
+  id: 'product-1',
+  name: 'Product',
+  projects: [{
+    id: 'project-1',
+    name: 'Project',
+    description: '',
+    createdAt: '2026-07-02T00:00:00.000Z',
+  }],
+  versions: [{
+    id: 'version-1',
+    name: 'ProjectV1.0',
+    releaseDate: null,
+    createdAt: '2026-07-02T00:00:00.000Z',
+  }],
+}];
+
+test('flattenVersions defaults missing version status to planned', () => {
+  const [version] = flattenVersions(overview);
+
+  assert.equal(version.status, 'planned');
+});
+
+test('flattenProjects defaults nested missing version status to planned', () => {
+  const [project] = flattenProjects(overview);
+
+  assert.equal(project.versions[0].status, 'planned');
+});