简单优化图片解密

src/types/electron.d.ts

@@ -126,6 +126,11 @@ export interface ElectronAPI {
     getImageData: (sessionId: string, msgId: string) => Promise<{ success: boolean; data?: string; error?: string }>
     getVoiceData: (sessionId: string, msgId: string, createTime?: number, serverId?: string | number) => Promise<{ success: boolean; data?: string; error?: string }>
     getAllVoiceMessages: (sessionId: string) => Promise<{ success: boolean; messages?: Message[]; error?: string }>
+    getAllImageMessages: (sessionId: string) => Promise<{
+      success: boolean
+      images?: { imageMd5?: string; imageDatName?: string; createTime?: number }[]
+      error?: string
+    }>
     resolveVoiceCache: (sessionId: string, msgId: string) => Promise<{ success: boolean; hasCache: boolean; data?: string }>
     getVoiceTranscript: (sessionId: string, msgId: string, createTime?: number) => Promise<{ success: boolean; transcript?: string; error?: string }>
     onVoiceTranscriptPartial: (callback: (payload: { msgId: string; text: string }) => void) => () => void