feat(mindspace): add page quota grace write and local delivery guardrails.

Centralize page HTML quota checks with grace-write semantics across page
services and workspace tools, keep localhost MindSpace links clickable in
chat display, and expand Page Data/static-page skill plus local dev docs
for quota, delivery URLs, and native Aider/OpenHands tooling.

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

conversation-display.test.mjs

@@ -80,3 +80,13 @@ test('deriveAssistantFacingText keeps user-facing replies with public links', ()
     '页面已生成：[AI 机器人研究报告 2026](https://m.tkmind.cn/MindSpace/john/public/ai-robot-report.html)';
   assert.equal(deriveAssistantFacingText(external), external);
 });
+
+test('deriveAssistantFacingText keeps local MindSpace deliverable links clickable', () => {
+  const localMarkdown =
+    '日记本就绪：[打开日记本](http://127.0.0.1:8081/MindSpace/32035858-9a20-425b-89da-c118ef0779aa/public/diary.html)';
+  assert.equal(deriveAssistantFacingText(localMarkdown), localMarkdown);
+
+  const localBare =
+    '本地预览：http://127.0.0.1:5173/MindSpace/john/public/survey.html';
+  assert.equal(deriveAssistantFacingText(localBare), localBare);
+});