Update geminiService.ts

services/geminiService.ts

@@ -1,32 +1,23 @@
 import { GoogleGenAI } from "@google/genai";
 import { KBArticle, Ticket, TicketStatus } from "../types";
 
-// The API key must be obtained exclusively from the environment variable process.env.API_KEY.
-const apiKey = process.env.API_KEY || '';
-
-// Initialize AI only if key exists to prevent immediate instantiation errors
-let ai: GoogleGenAI | null = null;
-if (apiKey) {
-  try {
-    ai = new GoogleGenAI({ apiKey });
-  } catch (e) {
-    console.warn("Failed to initialize GoogleGenAI", e);
-  }
-}
-
 /**
  * Agent 1: Customer Support Chat
  * Uses the KB to answer questions.
  */
 export const getSupportResponse = async (
+  apiKey: string,
   userQuery: string,
   chatHistory: string[],
   knowledgeBase: KBArticle[]
 ): Promise<string> => {
-  if (!ai || !apiKey) {
+  if (!apiKey) {
-    return "L'assistente AI non è configurato o la chiave API è mancante. Contatta l'amministratore.";
+    return "L'assistente AI non è configurato (API Key mancante). Contatta l'amministratore.";
   }
 
+  try {
+    const ai = new GoogleGenAI({ apiKey });
+
     // Prepare Context from KB
     const kbContext = knowledgeBase.map(a => {
       if (a.type === 'url') {
@@ -55,7 +46,6 @@ export const getSupportResponse = async (
       4. Sii cortese, professionale e sintetico.
     `;
 
-  try {
     const response = await ai.models.generateContent({
       model: 'gemini-3-flash-preview',
       contents: [
@@ -71,7 +61,7 @@ export const getSupportResponse = async (
     return response.text || "Mi dispiace, non riesco a generare una risposta al momento.";
   } catch (error) {
     console.error("Gemini Error:", error);
-    return "Si è verificato un errore nel servizio AI.";
+    return "Si è verificato un errore nel servizio AI (Verifica API Key o connessione).";
   }
 };
 
@@ -79,10 +69,14 @@ export const getSupportResponse = async (
  * Agent 2: Knowledge Extraction
  */
 export const generateNewKBArticle = async (
+  apiKey: string,
   resolvedTickets: Ticket[],
   existingArticles: KBArticle[]
 ): Promise<{ title: string; content: string; category: string } | null> => {
-  if (!ai || !apiKey) return null;
+  if (!apiKey) return null;
+
+  try {
+    const ai = new GoogleGenAI({ apiKey });
 
     // Filter only resolved tickets
     const relevantTickets = resolvedTickets.filter(t => t.status === TicketStatus.RESOLVED);
@@ -120,7 +114,6 @@ export const generateNewKBArticle = async (
       }
     `;
 
-  try {
     const response = await ai.models.generateContent({
       model: 'gemini-3-pro-preview',
       contents: prompt,