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.

README.md

@@ -10,12 +10,16 @@ The AI Interview Assistant is a Chrome extension designed to help users during i
 
 ## Features
 
-- Real-time audio capture from the current tab
-- Speech-to-text transcription
-- Question detection
-- AI-powered responses using OpenAI's GPT-3.5-turbo model
+- Real-time audio capture (tab, mic, or mixed mode)
+- Speech-to-text transcription with live overlay
+- AI-powered responses with multiple providers (OpenAI, Anthropic, Google, DeepSeek, Ollama)
 - Persistent side panel interface
 - Secure API key storage
+- Context management (upload or paste documents for better answers)
+- Speed mode (faster, shorter responses)
+- Multi-device demo mode for remote access
+- Overlay controls: drag, resize, minimize, detach, hide/show
+- Mic monitor with input device selection and live level meter
 
 ## Installation
 
@@ -50,6 +54,18 @@ The AI Interview Assistant is a Chrome extension designed to help users during i
 
 6. Click "Stop Listening" to end the audio capture.
 
+## Plans & Roadmap
+
+- See the evolving roadmap and to-do list in `Plans_and_Todo.md`.
+
+## Recent Improvements
+
+- Larger, lighter overlay with a visible resize handle.
+- Overlay hide/show controls.
+- Mic monitor with input device selection and live level meter.
+- Auto-open assistant window option after Start Listening.
+- Better async message handling in content scripts.
+
 ## Privacy and Security
 
 - The extension only captures audio from the current tab when actively listening.