feat(chat): 前端 chat_ws.js 实时渲染进度/错误（保留重载兜底）

tests/test_chat_ws.js

@@ -0,0 +1,18 @@
+const test = require('node:test');
+const assert = require('node:assert');
+const { applyProgressEvent } = require('../src/genesis/server/static/chat_ws.js');
+
+test('applyProgressEvent 渲染 progress 角色', () => {
+  const got = [];
+  applyProgressEvent({ type: 'progress', step: 'parse', detail: '完成' }, (role, text) => got.push([role, text]));
+  assert.strictEqual(got.length, 1);
+  assert.strictEqual(got[0][0], 'progress');
+  assert.ok(got[0][1].includes('parse'));
+});
+
+test('applyProgressEvent 渲染 error 角色', () => {
+  const got = [];
+  applyProgressEvent({ type: 'error', detail: '炸了' }, (role, text) => got.push([role, text]));
+  assert.strictEqual(got[0][0], 'error');
+  assert.ok(got[0][1].includes('炸了'));
+});