feat: AI 打字机流式输出、小程序脚本主页布局及灵感卡片优化

- life-script: 新增 aiRuntime 打字机流式服务，PathView/ScriptView/TimelineView 接入打字机效果
- mini-program: ScriptView 重构为打字机输出 + 卡片式灵感列表，主页布局优化
- web: aiRuntime 服务新增流式输出支持
- chat store: 消息状态管理和打字机流式渲染支持

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

mini-program/src/pages/profile/index.vue

@@ -1,7 +1,7 @@
 <template>
   <view class="profile-page">
-    <view class="top-safe" :style="{ height: safeAreaTop + 'px' }"></view>
-    <view class="header">
+    <view class="top-safe" :style="{ height: capsuleTopReservePx + 'px' }"></view>
+    <view class="header" :style="topbarStyle">
       <text class="back" @click="goBack">‹</text>
       <text class="title">个人中心</text>
       <text></text>
@@ -12,15 +12,10 @@
 </template>
 
 <script setup>
-import { onMounted, ref } from 'vue'
 import MineView from '../main/MineView.vue'
+import { useMenuButtonSafeArea } from '../../composables/useMenuButtonSafeArea.js'
 
-const safeAreaTop = ref(20)
-
-onMounted(() => {
-  const info = uni.getWindowInfo()
-  safeAreaTop.value = info.safeAreaInsets?.top || info.statusBarHeight || 20
-})
+const { capsuleTopReservePx, topbarStyle } = useMenuButtonSafeArea({ extraTopPx: 10 })
 
 const goBack = () => {
   uni.navigateBack()