refactor: update Gemini file upload method to accept baseURL parameter

- Modified the uploadFile method in GeminiService to include baseURL in the parameters.
- Updated the corresponding calls in the preload and renderer layers to pass the baseURL along with the apiKey.

src/main/services/GeminiService.ts

@@ -8,8 +8,19 @@ export class GeminiService {
   private static readonly FILE_LIST_CACHE_KEY = 'gemini_file_list'
   private static readonly CACHE_DURATION = 3000
 
-  static async uploadFile(_: Electron.IpcMainInvokeEvent, file: FileType, apiKey: string): Promise<File> {
-    const sdk = new GoogleGenAI({ vertexai: false, apiKey })
+  static async uploadFile(
+    _: Electron.IpcMainInvokeEvent,
+    file: FileType,
+    { apiKey, baseURL }: { apiKey: string; baseURL: string }
+  ): Promise<File> {
+    const sdk = new GoogleGenAI({
+      vertexai: false,
+      apiKey,
+      httpOptions: {
+        baseUrl: baseURL
+      }
+    })
+
     return await sdk.files.upload({
       file: file.path,
       config: {

src/preload/index.ts

@@ -116,7 +116,8 @@ const api = {
     resetMinimumSize: () => ipcRenderer.invoke(IpcChannel.Windows_ResetMinimumSize)
   },
   gemini: {
-    uploadFile: (file: FileType, apiKey: string) => ipcRenderer.invoke(IpcChannel.Gemini_UploadFile, file, apiKey),
+    uploadFile: (file: FileType, { apiKey, baseURL }: { apiKey: string; baseURL: string }) =>
+      ipcRenderer.invoke(IpcChannel.Gemini_UploadFile, file, { apiKey, baseURL }),
     base64File: (file: FileType) => ipcRenderer.invoke(IpcChannel.Gemini_Base64File, file),
     retrieveFile: (file: FileType, apiKey: string) => ipcRenderer.invoke(IpcChannel.Gemini_RetrieveFile, file, apiKey),
     listFiles: (apiKey: string) => ipcRenderer.invoke(IpcChannel.Gemini_ListFiles, apiKey),

src/renderer/src/providers/AiProvider/GeminiProvider.ts

@@ -113,7 +113,10 @@ export default class GeminiProvider extends BaseProvider {
     }
 
     // If file is not found, upload it to Gemini
-    const result = await window.api.gemini.uploadFile(file, this.apiKey)
+    const result = await window.api.gemini.uploadFile(file, {
+      apiKey: this.apiKey,
+      baseURL: this.getBaseURL()
+    })
 
     return {
       fileData: {