feat: add page_data_dev code-run path and adm policy design docs

Introduce Page Data dev repair intent routing, page_data_dev taskType
autodetect, and help-code02 memindadm runtime policy specification.

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

src/hooks/useTKMindChat.ts

@@ -63,7 +63,7 @@ import {
   CHAT_IMAGE_UPLOAD_MAX_INPUT_BYTES,
 } from '../utils/imageUpload';
 import { buildAbsoluteAssetDownloadUrl } from '../utils/mindspaceCards';
-import { resolveAgentRunOptions } from '../utils/agentRunMode';
+import { resolveAgentRunOptions, resolvePageDataDevTaskType } from '../utils/agentRunMode';
 import {
   buildUserMessage,
   normalizeConversationMessages,
@@ -1472,8 +1472,9 @@ export function useTKMindChat(
       }
 
       try {
+        const pageDataDevTaskType = resolvePageDataDevTaskType(trimmed);
         const runOptions = resolveAgentRunOptions(trimmed, {
-          taskType: 'h5_chat_code_task',
+          taskType: pageDataDevTaskType ?? 'h5_chat_code_task',
           userId: userRef.current?.id ?? null,
           requestId,
           mindspaceContext: options?.mindspaceContext ?? null,