GUAU Song Timestamp Manager

Automatically manages song timestamps for Euskadi Irratia radio shows

Automatically manages song timestamps for Euskadi Irratia / Kantu Kontari / radio shows (in guau.eus) ## Version 1.0.6 Automatic timestamp analysis triggering ## Version 1.0.5 Added real-time song highlighting feature: - Automatically highlights the currently playing song in the timestamp list - Highlighted songs get a blue background and border for easy identification ## Version 1.0.4 * Implemented DASH/MP3 fallback system to gracefully use legacy MP3 when DASH/MPD isn’t available * Ensured audio player activation so timestamp links reliably seek and play * Refactored and improved GuauSongManager logging for clearer diagnostics and readability ## Version 1.0.3 * Updated the Chrome extension to work with guau.eus's new DASH (Dynamic Adaptive Streaming over HTTP) system instead of the old MP3 direct streaming system. ## Version 1.0.2 * Fixed Hardcoded URL Bug: Fixed triggerTimestampAnalysis method to use detected API base URL instead of hardcoded localhost * Smart Fallback: Automatically switches to production server if localhost fails (without persistent state) ## Version 1.0.1 * Fixed SPA Navigation: Extension now works on first visit to Kantu Kontari episodes * Smart Server Detection: Automatically uses production (guau.ikasten.io) or development (localhost:5001) based on localStorage * Enhanced Popup: Shows current server URL and mode (Development/Production) * Better URL Matching: More robust regex pattern for episode detection * Comprehensive Logging: Detailed console output for debugging navigation * Updated Documentation: Clear instructions for development mode configuration