feat: refine UI, improve UX, optimize the analysis pipeline, and add character standing positions

tests/integration/api/specific/project-create-default-audio-model.test.ts

@@ -73,4 +73,38 @@ describe('api specific - project create default audio model', () => {
       }),
     })
   })
+
+  it('returns an explicit validation error when description exceeds the max length', async () => {
+    const mod = await import('@/app/api/projects/route')
+    const req = buildMockRequest({
+      path: '/api/projects',
+      method: 'POST',
+      headers: {
+        'accept-language': 'zh-CN',
+      },
+      body: {
+        name: 'Test Project',
+        description: 'a'.repeat(501),
+      },
+    })
+
+    const res = await mod.POST(req, routeContext)
+    const body = await res.json() as {
+      error?: {
+        code?: string
+        message?: string
+        details?: {
+          field?: string
+          limit?: number
+        }
+      }
+    }
+
+    expect(res.status).toBe(400)
+    expect(body.error?.code).toBe('INVALID_PARAMS')
+    expect(body.error?.message).toBe('项目描述不能超过 500 个字符。')
+    expect(body.error?.details?.field).toBe('description')
+    expect(body.error?.details?.limit).toBe(500)
+    expect(prismaMock.project.create).not.toHaveBeenCalled()
+  })
 })