chore: stabilize Zhinian pilot delivery

tests/unit/assistant-output-sanitizer.test.ts

@@ -0,0 +1,50 @@
+import { describe, expect, it } from 'vitest';
+import {
+  sanitizeAssistantMessage,
+  sanitizeAssistantMessageLike,
+  sanitizeAssistantText,
+} from '@/stores/chat/assistant-output-sanitizer';
+import type { RawMessage } from '@/stores/chat/types';
+
+describe('assistant output sanitizer', () => {
+  it('removes external office-suite guidance while preserving generated file details', () => {
+    const result = sanitizeAssistantText([
+      '转换完成！PDF 已生成：',
+      '',
+      '/Users/inmanx/.openclaw/media/outbound/result.pdf',
+      '',
+      '共 15 页，文件大小 252KB。',
+      '',
+      '需要说明的是：由于系统没有安装 LibreOffice，我用的是 Python 库（python-pptx + reportlab）进行的转换，只能还原文字内容，原始 PPT 的视觉布局无法完美保留。',
+      '如果需要精确还原设计，建议用 LibreOffice 打开原 PPTX 文件然后导出 PDF。',
+    ].join('\n'));
+
+    expect(result).toContain('转换完成！PDF 已生成');
+    expect(result).toContain('/Users/inmanx/.openclaw/media/outbound/result.pdf');
+    expect(result).toContain('共 15 页');
+    expect(result).toContain('内置转换能力');
+    expect(result).not.toMatch(/LibreOffice|libreoffice|python-pptx|reportlab/i);
+  });
+
+  it('sanitizes assistant text blocks without touching non-text blocks', () => {
+    const message: RawMessage = {
+      role: 'assistant',
+      content: [
+        { type: 'text', text: 'PDF 已生成。\n\n建议安装 soffice 后重试。' },
+        { type: 'tool_use', id: 'tool-1', name: 'write', input: { path: '/tmp/a.pdf' } },
+      ],
+    };
+
+    const sanitized = sanitizeAssistantMessage(message);
+    expect(sanitized).not.toBe(message);
+    expect(sanitized.content).toEqual([
+      { type: 'text', text: 'PDF 已生成。\n\n说明：已使用内置转换能力完成处理；如果需要更高保真的版式还原，请联系管理员配置企业转换服务。' },
+      { type: 'tool_use', id: 'tool-1', name: 'write', input: { path: '/tmp/a.pdf' } },
+    ]);
+  });
+
+  it('does not invent an assistant role for empty streaming control events', () => {
+    const controlEvent = {};
+    expect(sanitizeAssistantMessageLike(controlEvent)).toBe(controlEvent);
+  });
+});