refactor(fulfillment): 移除飞飞/乐玩通道，仅保留 affiliate_dash

新单只路由 affiliate_dash（未命中走 manual_dispatch）；历史飞飞/乐玩任务保留只读 stub，避免订单重同步失败。同步清理 cloudtentacles 调度、Admin 写路径与相关 env。

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

apps/backend/src/config/runtime-validation.ts

@@ -98,38 +98,6 @@ export function validateRuntimeConfig(
   }
   requireInteger(issues, 'orders.tokenTtlHours', config.orders?.tokenTtlHours, { min: 0 })
   requireInteger(issues, 'admin.sessionTtlHours', config.admin?.sessionTtlHours, { min: 1 })
-  requireInteger(
-    issues,
-    'platforms.cloudtentacles.timeoutMs',
-    config.platforms?.cloudtentacles?.timeoutMs,
-    { min: 1 },
-  )
-  if (config.platforms?.kuaishouFeifei) {
-    requireInteger(
-      issues,
-      'platforms.kuaishouFeifei.timeoutMs',
-      config.platforms.kuaishouFeifei.timeoutMs,
-      { min: 1 },
-    )
-  }
-  requireInteger(
-    issues,
-    'platforms.cloudtentacles.bindUrlTtlSeconds',
-    config.platforms?.cloudtentacles?.bindUrlTtlSeconds,
-    { min: 1 },
-  )
-  requireInteger(
-    issues,
-    'platforms.cloudtentacles.bindUrlProbeIntervalSeconds',
-    config.platforms?.cloudtentacles?.bindUrlProbeIntervalSeconds,
-    { min: 1 },
-  )
-  requireInteger(
-    issues,
-    'platforms.cloudtentacles.bindUrlProbeTimeoutMs',
-    config.platforms?.cloudtentacles?.bindUrlProbeTimeoutMs,
-    { min: 1 },
-  )
 
   validateOptionalHttpUrl(issues, 'orders.claimBaseUrl', config.orders?.claimBaseUrl)
   validateOptionalStorageEndpoint(issues, 'storage.endpoint', config.storage?.endpoint)