Refactor: streamline core service and clean workspace

dashboard.py

@@ -5,9 +5,8 @@ Interfaz web simple para reprocesar archivos MP3 con 1 click
 """
 
 import os
-import json
 import logging
-import subprocess
+import sys
 from datetime import datetime
 from pathlib import Path
 from typing import List, Dict, Any
@@ -15,9 +14,10 @@ from typing import List, Dict, Any
 from flask import Flask, render_template, request, jsonify, send_from_directory
 from flask_cors import CORS
 
-# Importar configuraciones del main.py
-import sys
-sys.path.append('/home/ren/cbc')
+# Importar configuraciones del main.py sin rutas absolutas
+PROJECT_ROOT = Path(__file__).resolve().parent
+if str(PROJECT_ROOT) not in sys.path:
+    sys.path.append(str(PROJECT_ROOT))
 from main import (
     AUDIO_EXTENSIONS, LOCAL_DOWNLOADS_PATH, PROCESSED_FILES_PATH,
     load_processed_files, save_processed_file, process_audio_file,
@@ -414,4 +414,4 @@ if __name__ == '__main__':
         logger.info("🛑 Dashboard detenido por el usuario")
     except Exception as e:
         logger.error(f"❌ Error en dashboard: {e}")
-        raise
+        raise