Update AI planner integration, docs, and config

src/pages/planner/index.vue

@@ -2,7 +2,7 @@
 import type { PoiSummary } from '@/domain/poi'
 import type { BudgetLevel, Interest, Pace, PlanningRequest, Theme, Transport, TravelPreferences } from '@/domain/travel'
 import { getPoiRepository } from '@/data/poi'
-import { createPlan, isRemoteTravelAssistantEnabled, loadPreferences, savePlan, savePreferences } from '@/services/travel-assistant'
+import { createPlan, isRemoteTravelAssistantEnabled, loadPlanningRequest, loadPreferences, savePlan, savePreferences } from '@/services/travel-assistant'
 import { useLocationStore } from '@/stores'
 
 interface PlannerPreset {
@@ -74,8 +74,8 @@ const durationText = computed(() => {
 })
 const usesCurrentLocation = computed(() => locationAvailable.value
   && (planningMode.value === 'quick' || customStartsFromCurrentLocation.value))
-const planningEngineLabel = computed(() => remoteEnabled.value && planningMode.value === 'quick'
-  ? '在线 AI 服务'
+const planningEngineLabel = computed(() => remoteEnabled.value
+  ? '在线智能服务'
   : '本地智能规划')
 const locationActionText = computed(() => {
   if (locationStore.status === 'locating')
@@ -151,9 +151,6 @@ function toggleInterest(interest: Interest) {
 
 function setPlanningMode(mode: PlanningRequest['mode']) {
   planningMode.value = mode
-  if (mode === 'custom' && remoteEnabled.value) {
-    uni.showToast({ title: '自选点位将使用本地智能规划', icon: 'none' })
-  }
 }
 
 function togglePoi(poiId: string) {
@@ -333,10 +330,18 @@ async function submit() {
 }
 
 onShow(() => {
-  const stored = loadPreferences()
-  if (stored) {
-    assignPreferences(stored)
-    durationMinutes.value = stored.duration === 'half_day' ? 4 * 60 : 8 * 60
+  const storedRequest = loadPlanningRequest()
+  const storedPreferences = storedRequest?.preferences ?? loadPreferences()
+  if (storedPreferences)
+    assignPreferences(storedPreferences)
+  if (storedRequest) {
+    planningMode.value = storedRequest.mode
+    durationMinutes.value = storedRequest.durationMinutes
+    selectedPoiIds.value = [...storedRequest.selectedPoiIds]
+    customStartsFromCurrentLocation.value = false
+  }
+  else if (storedPreferences) {
+    durationMinutes.value = storedPreferences.duration === 'half_day' ? 4 * 60 : 8 * 60
   }
   applyPreset()
 })
@@ -390,7 +395,7 @@ onShow(() => {
           </button>
         </view>
         <text v-if="remoteEnabled && planningMode === 'custom'" class="planning-mode-tip">
-          自选点位不依赖在线服务，将使用本地智能规划。
+          在线 AI 将在你选择的点位内建议顺序，本机负责定位、交通与时长核算。
         </text>
       </view>