fix: remove unused providers anthropic, azure and minimax from Header.tsx dictionary to solve typescript compilation error

components/Header.tsx

@@ -18,20 +18,14 @@ export const Header: React.FC<HeaderProps> = ({ onReset, onClearKey, onToggleAdm
   const providerColors: Record<AIProvider, string> = {
     gemini: 'from-blue-500 to-indigo-600',
     openai: 'from-green-500 to-emerald-600',
-    anthropic: 'from-orange-500 to-amber-600',
-    azure: 'from-blue-600 to-cyan-600',
     openrouter: 'from-purple-500 to-fuchsia-600',
-    minimax: 'from-red-500 to-rose-600',
     ollama: 'from-slate-500 to-gray-600'
   };
 
   const providerNames: Record<AIProvider, string> = {
     gemini: 'Gemini',
     openai: 'OpenAI',
-    anthropic: 'Claude',
-    azure: 'Azure',
     openrouter: 'OpenRouter',
-    minimax: 'MiniMax',
     ollama: 'Ollama'
   };