优化底层游标索引性能；优化HTTPAPI索引逻辑；优化导出图片的索引写入逻辑

src/types/electron.d.ts

@@ -311,6 +311,8 @@ export interface ElectronAPI {
         allowStaleCache?: boolean
         preferAccurateSpecialTypes?: boolean
         cacheOnly?: boolean
+        beginTimestamp?: number
+        endTimestamp?: number
       }
     ) => Promise<{
       success: boolean
@@ -1220,4 +1222,3 @@ declare global {
 export { }
 
 
-