fix: 移动端编辑表单自动补充客户到选项列表，避免显示UUID

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/src/views/mobile/KeyVisitForm.vue

@@ -46,6 +46,9 @@ onMounted(async () => {
     try {
       const res = await api.get(`/key-visits/${route.params.id}`)
       const d = res.data
+      if (d.customer_id && d.customer_name && !customers.value.find((c: any) => c.id === d.customer_id)) {
+        customers.value.unshift({ id: d.customer_id, name: d.customer_name })
+      }
       form.value = { customer_id: d.customer_id, urgency_level: d.urgency_level, description: d.description || '', progress_status: d.progress_status, planned_date: d.planned_date, planned_visitor: d.planned_visitor, visit_target: d.visit_target, manager_id: d.manager_id || auth.userId || '' }
     } catch (_) {}
   }

frontend/src/views/mobile/MiniBusinessForm.vue

@@ -34,6 +34,9 @@ onMounted(async () => {
     try {
       const res = await api.get(`/mini-business/${route.params.id}`)
       const d = res.data
+      if (d.customer_id && d.customer_name && !customers.value.find((c: any) => c.id === d.customer_id)) {
+        customers.value.unshift({ id: d.customer_id, name: d.customer_name })
+      }
       form.value = { customer_id: d.customer_id, product_type: d.product_type, amount: d.amount, follow_up_detail: d.follow_up_detail || '', status: d.status, expected_revenue_date: d.expected_revenue_date, manager_id: d.manager_id || auth.userId || '' }
     } catch (_) {}
   }

frontend/src/views/mobile/WorkPlanForm.vue

@@ -33,6 +33,9 @@ onMounted(async () => {
     try {
       const res = await api.get(`/work-plans/${route.params.id}`)
       const d = res.data
+      if (d.customer_id && d.customer_name && !customers.value.find((c: any) => c.id === d.customer_id)) {
+        customers.value.unshift({ id: d.customer_id, name: d.customer_name })
+      }
       form.value = { customer_id: d.customer_id, plan_content: d.plan_content || '', plan_date: d.plan_date, status: d.status, manager_id: d.manager_id || auth.userId || '' }
     } catch (_) {}
   }