fix: allow to run on windows without context isolation

src/preload/index.ts

@@ -4,6 +4,19 @@
   ElectronLlmRenderer,
   RendererLoadFunction,
 } from '../interfaces.js';
+
+// Add Node.js process type declaration
+declare const process: {
+  contextIsolated?: boolean;
+  [key: string]: any;
+};
+
+declare global {
+  interface Window {
+    electronAi: ElectronLlmRenderer;
+  }
+}
+
 import type {
   LanguageModelCreateOptions,
   LanguageModelPromptOptions,
@@ -158,7 +171,20 @@
 };
 
 export const loadElectronLlm: RendererLoadFunction = async () => {
-  contextBridge.exposeInMainWorld('electronAi', electronAi);
+  try {
+    // Check if contextBridge is available (context isolation is enabled)
+    if (process.contextIsolated) {
+      // Use contextBridge when context isolation is on
+      contextBridge.exposeInMainWorld('electronAi', electronAi);
+    } else {
+      // When context isolation is off, add directly to window global
+      window.electronAi = electronAi;
+    }
+  } catch (error) {
+    // Fallback in case of any errors
+    console.error('Error exposing electronAi API:', error);
+    window.electronAi = electronAi;
+  }
 };
 
 loadElectronLlm();