feat: Enhance audio capture and monitoring features

- Added "audioCapture" permission to manifest for microphone access.
- Introduced DeepSeek as a new AI provider option in the side panel.
- Implemented a capture mode selection (tab-only, mic-only, mixed) in the side panel.
- Added options to enable/disable the extension and auto-open the assistant window.
- Integrated a mic monitor feature with live input level visualization.
- Included buttons for requesting microphone permission and granting tab access.
- Updated styles for new sections and mic level visualization.
- Enhanced model fetching logic to support DeepSeek and improved error handling.

assistant.js

@@ -1,50 +1,6 @@
 document.addEventListener('DOMContentLoaded', function() {
-    const toggleButton = document.getElementById('toggleListening');
     const transcriptDiv = document.getElementById('transcript');
     const aiResponseDiv = document.getElementById('aiResponse');
-    const apiKeyInput = document.getElementById('apiKeyInput');
-    const saveApiKeyButton = document.getElementById('saveApiKey');
-    let isListening = false;
-  
-    // Load saved API key
-    chrome.storage.sync.get('openaiApiKey', (result) => {
-        if (result.openaiApiKey) {
-            apiKeyInput.value = result.openaiApiKey;
-            saveApiKeyButton.textContent = 'API Key Saved';
-            saveApiKeyButton.disabled = true;
-        }
-    });
-
-    apiKeyInput.addEventListener('input', function() {
-        saveApiKeyButton.textContent = 'Save API Key';
-        saveApiKeyButton.disabled = false;
-    });
-
-    saveApiKeyButton.addEventListener('click', function() {
-        const apiKey = apiKeyInput.value.trim();
-        if (apiKey) {
-            chrome.runtime.sendMessage({action: 'setApiKey', apiKey: apiKey});
-            saveApiKeyButton.textContent = 'API Key Saved';
-            saveApiKeyButton.disabled = true;
-        } else {
-            alert('Please enter a valid API key');
-        }
-    });
-
-    toggleButton.addEventListener('click', function() {
-        isListening = !isListening;
-        toggleButton.textContent = isListening ? 'Stop Listening' : 'Start Listening';
-        
-        if (isListening) {
-            chrome.runtime.sendMessage({action: 'startListening'});
-            transcriptDiv.textContent = 'Listening for questions...';
-            aiResponseDiv.textContent = 'The answer will appear here.';
-        } else {
-            chrome.runtime.sendMessage({action: 'stopListening'});
-            transcriptDiv.textContent = '';
-            aiResponseDiv.textContent = '';
-        }
-    });
   
     chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
         if (request.action === 'updateTranscript') {
@@ -53,4 +9,4 @@ document.addEventListener('DOMContentLoaded', function() {
             aiResponseDiv.textContent = request.response;
         }
     });
-});
+});