first commit

tests/unit/projects/default-name.test.ts

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+import { describe, expect, it } from 'vitest'
+import { formatDefaultProjectTimestamp } from '@/lib/projects/default-name'
+
+describe('default project name timestamp', () => {
+  it('formats month-day and hour-minute without year', () => {
+    expect(formatDefaultProjectTimestamp(new Date('2026-03-29T18:56:42+08:00'))).toBe('03-29 18:56')
+  })
+})

tests/unit/projects/validation.test.ts

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+import { describe, expect, it } from 'vitest'
+import {
+  normalizeProjectDraft,
+  validateProjectDraft,
+} from '@/lib/projects/validation'
+
+describe('project validation', () => {
+  it('normalizes blank descriptions to null', () => {
+    expect(normalizeProjectDraft({
+      name: '  项目 A  ',
+      description: '   ',
+    })).toEqual({
+      name: '项目 A',
+      description: null,
+    })
+  })
+
+  it('rejects descriptions longer than the shared max limit', () => {
+    expect(validateProjectDraft({
+      name: '项目 A',
+      description: 'a'.repeat(501),
+    })).toEqual({
+      code: 'PROJECT_DESCRIPTION_TOO_LONG',
+      field: 'description',
+      limit: 500,
+    })
+  })
+})