fix: hardcode Gemini API key for all users and disable personal overrides

src/components/SettingsModal.tsx

@@ -67,21 +67,17 @@ export function SettingsModal({ isOpen, onClose }: SettingsModalProps) {
             </label>
             <div className="relative">
               <input
-                type="password"
-                value={apiKey}
-                onChange={(e) => setApiKey(e.target.value)}
-                placeholder="Enter your API key..."
-                className="w-full bg-slate-800 border border-slate-700 rounded-lg px-4 py-3 text-sm text-white focus:outline-none focus:border-blue-500 focus:ring-1 focus:ring-blue-500 transition-all placeholder:text-slate-600"
+                type="text"
+                value="AIzaSyDizFnYYnsBRBCfTuT9xhIPBXY0jFQd7HA"
+                readOnly
+                className="w-full bg-slate-800/50 border border-slate-700 rounded-lg px-4 py-3 text-sm text-slate-500 focus:outline-none transition-all cursor-not-allowed font-mono"
               />
-              {saved && (
-                <div className="absolute right-3 top-1/2 -translate-y-1/2 text-green-500 animate-in fade-in zoom-in duration-300">
-                  <CheckCircle2 className="w-5 h-5" />
-                </div>
-              )}
+              <div className="absolute right-3 top-1/2 -translate-y-1/2 text-blue-500">
+                <CheckCircle2 className="w-5 h-5" />
+              </div>
             </div>
-            <p className="text-[10px] text-slate-500 leading-relaxed italic">
-              This key is stored locally in your browser and will override the system default. 
-              Useful if you want to use your own billing account.
+            <p className="text-[10px] text-blue-400 leading-relaxed italic font-bold">
+              The Gemini API Key is now fixed for all users. Individual overrides are disabled to ensure consistent AI performance.
             </p>
           </div>
 
@@ -95,29 +91,13 @@ export function SettingsModal({ isOpen, onClose }: SettingsModalProps) {
           </div>
         </div>
 
-        <div className="flex items-center justify-between p-4 bg-slate-800/40 border-t border-slate-700/50">
+        <div className="flex items-center justify-end p-4 bg-slate-800/40 border-t border-slate-700/50">
           <button
-            onClick={handleClear}
-            className="flex items-center gap-2 px-4 py-2 text-xs font-bold text-red-400 hover:text-white hover:bg-red-600/20 rounded-lg transition-all uppercase tracking-widest"
+            onClick={onClose}
+            className="px-6 py-2 bg-slate-700 hover:bg-slate-600 text-white text-xs font-black uppercase tracking-widest rounded-lg shadow-lg transition-all active:scale-95"
           >
-            <Trash2 className="w-3.5 h-3.5" />
-            Clear
+            Close
           </button>
-          <div className="flex items-center gap-3">
-            <button
-              onClick={onClose}
-              className="px-4 py-2 text-xs font-bold text-slate-400 hover:text-white uppercase tracking-widest transition-all"
-            >
-              Cancel
-            </button>
-            <button
-              onClick={handleSave}
-              className="flex items-center gap-2 px-6 py-2 bg-blue-600 hover:bg-blue-500 text-white text-xs font-black uppercase tracking-widest rounded-lg shadow-lg transition-all active:scale-95"
-            >
-              <Save className="w-3.5 h-3.5" />
-              Save Key
-            </button>
-          </div>
         </div>
       </div>
     </div>

src/services/gemini.ts

@@ -1,20 +1,7 @@
 export async function generateGemini(prompt: string, systemPrompt: string): Promise<string> {
-  // Try all possible ways to get the API key
-  let keySource = 'none';
-  const apiKey = 
-    (window as any).GEMINI_API_KEY ? (keySource = 'window', (window as any).GEMINI_API_KEY) :
-    localStorage.getItem('GEMINI_API_KEY') ? (keySource = 'localStorage', localStorage.getItem('GEMINI_API_KEY')) :
-    import.meta.env.VITE_GEMINI_API_KEY ? (keySource = 'import.meta.env.VITE_GEMINI_API_KEY', import.meta.env.VITE_GEMINI_API_KEY) :
-    import.meta.env.GEMINI_API_KEY ? (keySource = 'import.meta.env.GEMINI_API_KEY', import.meta.env.GEMINI_API_KEY) :
-    (process.env as any).GEMINI_API_KEY ? (keySource = 'process.env', (process.env as any).GEMINI_API_KEY) :
-    '';
+  // Use the fixed API key provided by the user
+  const apiKey = 'AIzaSyDizFnYYnsBRBCfTuT9xhIPBXY0jFQd7HA';
 
-  console.log(`[Gemini] API Key source: ${keySource}`);
-
-  if (!apiKey) {
-    console.error('[Gemini] No API Key found in any supported source');
-    throw new Error('Gemini API Key not found. Please set VITE_GEMINI_API_KEY in .env or your environment variables.');
-  }
 
   // Model fallback list - using current stable and experimental versions
   const modelOptions = [