integrate this api key to the chatbot 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 and the user may not get error of adding api key in the chatbot integrate and make the chatbot answerable

chat.html

@@ -306,65 +306,15 @@ aiResponsesContainer.appendChild(errorDiv);
                 feather.replace();
             }
 }
-        // API Key Modal
-        const apiKeyModal = document.createElement('div');
-        apiKeyModal.id = 'apiKeyModal';
-        apiKeyModal.className = 'fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 hidden';
-        apiKeyModal.innerHTML = `
-            <div class="bg-white rounded-lg p-6 max-w-md w-full">
-                <div class="flex justify-between items-center mb-4">
-                    <h3 class="text-xl font-bold">Enter OpenRouter API Key</h3>
-                    <button onclick="document.getElementById('apiKeyModal').classList.add('hidden')" class="text-gray-500 hover:text-gray-700">
-                        <i data-feather="x"></i>
-                    </button>
-                </div>
-                <p class="text-gray-600 mb-4">Get your free API key from <a href="https://openrouter.ai/keys" target="_blank" class="text-blue-600 hover:underline">OpenRouter.ai</a></p>
-                <input type="password" id="apiKeyInput" class="w-full border border-gray-300 rounded-lg px-4 py-2 mb-4" placeholder="sk-or-..." value="${localStorage.getItem('openrouter_api_key') || ''}">
-                <div class="flex justify-end space-x-3">
-                    <button onclick="document.getElementById('apiKeyModal').classList.add('hidden')" class="px-4 py-2 border border-gray-300 rounded-lg">Cancel</button>
-                    <button onclick="saveApiKey()" class="px-4 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700">Save</button>
-                </div>
-            </div>
-        `;
-        document.body.appendChild(apiKeyModal);
-        function showApiKeyModal() {
-            const modal = document.getElementById('apiKeyModal');
-            modal.classList.remove('hidden');
-            document.getElementById('apiKeyInput').value = localStorage.getItem('openrouter_api_key') || '';
-            feather.replace();
+        // Set default API key
+        const DEFAULT_API_KEY = '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';
+        if (!localStorage.getItem('openrouter_api_key')) {
+            localStorage.setItem('openrouter_api_key', DEFAULT_API_KEY);
         }
 
-        function saveApiKey() {
-            const apiKey = document.getElementById('apiKeyInput').value.trim();
-            if (apiKey) {
-                // Validate the key format
-                if (!apiKey.startsWith('sk-or-')) {
-                    alert('Please enter a valid OpenRouter API key starting with "sk-or-"');
-                    return;
-                }
-                
-                localStorage.setItem('openrouter_api_key', apiKey);
-                document.getElementById('apiKeyModal').classList.add('hidden');
-                
-                // Show success message
-                const successDiv = document.createElement('div');
-                successDiv.className = 'bg-green-50 border-l-4 border-green-500 p-4 rounded-r-lg mb-4';
-                successDiv.innerHTML = `
-                    <div class="flex items-center">
-                        <i data-feather="check-circle" class="w-5 h-5 text-green-500 mr-2"></i>
-                        <span>API Key saved successfully!</span>
-                    </div>
-                `;
-                aiResponsesContainer.prepend(successDiv);
-                feather.replace();
-                
-                // Refresh the chat to use the new key
-                startNewChat();
-            } else {
-                alert('Please enter your API key');
-            }
-        }
-        function createResponseElement(model, content) {
+        // Remove API key button and modal since we have a default key
+        document.getElementById('apiKeyBtn').remove();
+function createResponseElement(model, content) {
             const div = document.createElement('div');
             div.className = 'message animate-slide-up';
             div.innerHTML = `
@@ -384,12 +334,8 @@ aiResponsesContainer.appendChild(errorDiv);
 async
         async function getAIResponse(modelId, message) {
             // Check if API key exists
-            const apiKey = localStorage.getItem('openrouter_api_key');
-            if (!apiKey) {
-                throw new Error('API key required. Please set your OpenRouter API key to continue.');
-            }
-
-            // Show loading indicator
+        const apiKey = localStorage.getItem('openrouter_api_key') || DEFAULT_API_KEY;
+// Show loading indicator
             const loadingId = 'loading-' + Date.now();
             const loadingDiv = createResponseElement('chatgpt', 'Connecting to AI...', true);
             loadingDiv.id = loadingId;
@@ -437,12 +383,8 @@ async
                 throw error;
             }
         }
-const apiKey = localStorage.getItem('openrouter_api_key');
-            if (!apiKey) {
-                throw new Error('API key required. Please set your OpenRouter API key to continue.');
-            }
-
-            try {
+        const apiKey = localStorage.getItem('openrouter_api_key') || DEFAULT_API_KEY;
+try {
                 const response = await fetch('https://openrouter.ai/api/v1/chat/completions', {
                     method: 'POST',
                     headers: {
@@ -494,32 +436,21 @@ chatHistory.push(chatItem);
         }
         // Initialize on load
         document.addEventListener('DOMContentLoaded', function() {
-            const apiKey = localStorage.getItem('openrouter_api_key');
-            if (!apiKey) {
-                // Show welcome message with API key instructions
-                const welcomeDiv = document.createElement('div');
-                welcomeDiv.className = 'bg-blue-50 border-l-4 border-blue-500 p-4 rounded-r-lg mb-6';
-                welcomeDiv.innerHTML = `
-                    <div class="flex items-center mb-2">
-                        <i data-feather="info" class="w-5 h-5 text-blue-500 mr-2"></i>
-                        <h3 class="font-medium">Welcome to Saswat AI!</h3>
-                    </div>
-                    <p class="text-gray-700 mb-4">To get started, you'll need a free API key from OpenRouter:</p>
-                    <ol class="list-decimal pl-5 space-y-1 text-sm mb-4">
-                        <li>Visit <a href="https://openrouter.ai/keys" target="_blank" class="text-blue-600 hover:underline">OpenRouter Keys</a></li>
-                        <li>Sign up or log in (it's free)</li>
-                        <li>Copy your API key (starts with "sk-or-")</li>
-                        <li>Click the <i data-feather="key" class="inline w-4 h-4"></i> button above to paste it</li>
-                    </ol>
-                    <button onclick="showApiKeyModal()" class="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-lg">
-                        <i data-feather="key" class="w-4 h-4 mr-1"></i> Enter API Key
-                    </button>
-                `;
-                aiResponsesContainer.appendChild(welcomeDiv);
-                feather.replace();
-            }
             loadChatHistory();
             feather.replace();
+            
+            // Show welcome message
+            const welcomeDiv = document.createElement('div');
+            welcomeDiv.className = 'bg-blue-50 border-l-4 border-blue-500 p-4 rounded-r-lg mb-6';
+            welcomeDiv.innerHTML = `
+                <div class="flex items-center mb-2">
+                    <i data-feather="info" class="w-5 h-5 text-blue-500 mr-2"></i>
+                    <h3 class="font-medium">Welcome to Saswat AI!</h3>
+                </div>
+                <p class="text-gray-700">You can start chatting immediately with our premium AI models.</p>
+            `;
+            aiResponsesContainer.appendChild(welcomeDiv);
+            feather.replace();
         });
 function updateChatHistoryUI() {
             chatHistoryList.innerHTML = '';
@@ -541,14 +472,7 @@ if (chatHistory.length === 0) {
             
             feather.replace({width: 16, height: 16}, chatHistoryList);
         }
-        // Add API key button to header
-        const header = document.querySelector('header > div');
-        const apiKeyBtn = document.createElement('button');
-        apiKeyBtn.className = 'bg-blue-600 hover:bg-blue-700 text-white px-3 py-1 rounded-lg text-sm ml-4';
-        apiKeyBtn.innerHTML = '<i data-feather="key" class="w-4 h-4 mr-1"></i> API Key';
-        apiKeyBtn.onclick = showApiKeyModal;
-        header.appendChild(apiKeyBtn);
-        function loadChatFromHistory(index) {
+function loadChatFromHistory(index) {
             const chat = chatHistory[index];
             // Clear current chat
             startNewChat();