新增: OSS 资产库与桌面本地文件读取,交互与云同步增强

src/components/editor/PropsPanel.vue

@@ -7,6 +7,7 @@ import { store } from '../../core/store'
 import { elementTypes } from '../../core/sample'
 import { generateImage, isImageConfigured, checkImageQuota } from '../../core/ai'
 import { readAsDataURL } from '../../core/importer'
+import { putAsset, isOssEnabled } from '../../core/assets'
 import { appAlert, appConfirm, appPrompt } from '../../core/dialog'
 import { markdownToSegments, segmentsToPlain, hasFormatting } from '../../core/richtext'
 import AddGrid from './AddGrid.vue'
@@ -271,6 +272,12 @@ function onLocalImage() {
     const file = input.files?.[0]
     if (!file) return
     try {
+      // OSS 启用：走资产库（上云或离线暂存），content 存引用/URL，绕过 5MB 墙
+      if (isOssEnabled()) {
+        const ref = await putAsset(file)
+        store.updateElement(el.id, { content: ref })
+        return
+      }
       const dataUrl = await readAsDataURL(file)
       const quotaErr = checkImageQuota(dataUrl)
       if (quotaErr) { appAlert('图片受限', quotaErr); return }
@@ -292,6 +299,16 @@ function onLocalVideo() {
   input.onchange = async () => {
     const f = input.files?.[0]
     if (!f) return
+    // OSS 启用：视频走资产库（大文件尤其受益，避免撑爆本地存储）
+    if (isOssEnabled()) {
+      try {
+        const ref = await putAsset(f)
+        store.updateElement(el.id, { content: ref })
+      } catch (e: any) {
+        appAlert('读取视频失败', e?.message || String(e))
+      }
+      return
+    }
     // 注意：大视频会整体读入内存（dataURL），本地工具首版接受
     const dataUrl = await readAsDataURL(f)
     store.updateElement(el.id, { content: dataUrl })