Add attachment text extraction, auto web news skill, and chat/voice UI updates.

Simplify asset upload temp paths, refresh deploy docs for Aliyun DNS topology, and ship MindSpace content-scan and auth improvements.

Co-authored-by: Cursor <cursoragent@cursor.com>

mindspace-attachment-text.test.mjs

@@ -0,0 +1,40 @@
+import assert from 'node:assert/strict';
+import fs from 'node:fs/promises';
+import os from 'node:os';
+import path from 'node:path';
+import test from 'node:test';
+import { extractAttachmentText } from './mindspace-attachment-text.mjs';
+
+test('extractAttachmentText returns text for plain text', () => {
+  const result = extractAttachmentText(Buffer.from('hello\nworld\n'), 'text/plain', 'note.txt');
+  assert.equal(result.format, 'text');
+  assert.equal(result.text, 'hello\nworld\n');
+  assert.deepEqual(result.warnings, []);
+});
+
+test('extractAttachmentText extracts docx text', async () => {
+  const docPath = path.join(process.cwd(), 'MindSpace/john/oa/端午感怀.docx');
+  let buffer;
+  try {
+    buffer = await fs.readFile(docPath);
+  } catch {
+    return;
+  }
+  const result = extractAttachmentText(
+    buffer,
+    'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+    '端午感怀.docx',
+  );
+  assert.equal(result.format, 'docx');
+  assert.match(result.text, /端午/);
+});
+
+test('extractAttachmentText extracts simple pdf text streams', () => {
+  const pdf = Buffer.from(
+    '%PDF-1.4\n1 0 obj\n<<>>\nstream\nBT (Hello PDF) Tj ET\nendstream\nendobj\n%%EOF',
+    'latin1',
+  );
+  const result = extractAttachmentText(pdf, 'application/pdf', 'demo.pdf');
+  assert.equal(result.format, 'pdf');
+  assert.match(result.text, /Hello PDF/);
+});