fix(prod): dedupe scheduled tasks and reconcile orphan delivery contracts

Prevent duplicate active scheduled tasks, fail static preparing contracts
when HTML is missing, raise MindSpace remote timeout default to 30s, and
add 103 repair scripts for inspection follow-ups.

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

scheduled-task-executor.mjs

@@ -3,6 +3,7 @@ import fs from 'node:fs';
 import path from 'node:path';
 import { buildChatSkillPrompt, SCHEDULED_TASK_AUTOMATION_SKILL_NAME } from './chat-skills.mjs';
 import {
+  markPageDeliveryContractFailed,
   markPageDeliveryContractReady,
   normalizeDeliveryRelativePath,
   preparePageDeliveryContract,
@@ -366,7 +367,22 @@ export async function reconcileStuckStaticPageDeliveryContracts({
       row.user_id,
       relativePath,
     );
-    if (!fs.existsSync(filePath)) continue;
+    if (!fs.existsSync(filePath)) {
+      if (
+        await markPageDeliveryContractFailed({
+          pool,
+          userId: row.user_id,
+          relativePath,
+          failureReason: 'materialized_html_missing',
+        })
+      ) {
+        logger.info?.('[ScheduledTask] failed orphan static delivery contract', {
+          userId: row.user_id,
+          relativePath,
+        });
+      }
+      continue;
+    }
     if (
       await markPageDeliveryContractReady({
         pool,