Imrpove chat with gifs, videos, music player, redesigns and improved filesharing errors

electron/preload.ts

@@ -13,6 +13,7 @@ export interface ElectronAPI {
   getAppDataPath: () => Promise<string>;
   readFile: (filePath: string) => Promise<string>;
   writeFile: (filePath: string, data: string) => Promise<boolean>;
+  saveFileAs: (defaultFileName: string, data: string) => Promise<{ saved: boolean; cancelled: boolean }>;
   fileExists: (filePath: string) => Promise<boolean>;
   ensureDir: (dirPath: string) => Promise<boolean>;
 
@@ -31,6 +32,7 @@ const electronAPI: ElectronAPI = {
   getAppDataPath: () => ipcRenderer.invoke('get-app-data-path'),
   readFile: (filePath) => ipcRenderer.invoke('read-file', filePath),
   writeFile: (filePath, data) => ipcRenderer.invoke('write-file', filePath, data),
+  saveFileAs: (defaultFileName, data) => ipcRenderer.invoke('save-file-as', defaultFileName, data),
   fileExists: (filePath) => ipcRenderer.invoke('file-exists', filePath),
   ensureDir: (dirPath) => ipcRenderer.invoke('ensure-dir', dirPath),