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/App.vue

@@ -14,9 +14,13 @@ const hydrateSafeArea = () => {
     statusBarHeight.value = windowInfo.statusBarHeight || 20
     safeAreaTop.value = windowInfo.safeAreaInsets?.top || windowInfo.statusBarHeight || 20
     safeAreaBottom.value = windowInfo.safeAreaInsets?.bottom || 0
+    uni.setStorageSync('windowWidth', windowInfo.windowWidth || 375)
     uni.setStorageSync('statusBarHeight', statusBarHeight.value)
     uni.setStorageSync('safeAreaTop', safeAreaTop.value)
     uni.setStorageSync('safeAreaBottom', safeAreaBottom.value)
+    if (uni.getMenuButtonBoundingClientRect) {
+      uni.setStorageSync('menuButtonRect', uni.getMenuButtonBoundingClientRect())
+    }
   } catch (error) {
     statusBarHeight.value = 20
     safeAreaTop.value = 20