Update README and add health check endpoint

Update README to reflect the correct script name for running the application. Add a health check endpoint to the Flask app to verify server status.

README.md

@@ -95,7 +95,8 @@ DB_NAME=bots.db
     ```
 5.  **Run the application:**
     ```bash
-    python app.py
+
+    python run.py
     ```
 
 > **Important:** You must have the MetaTrader 5 terminal installed and running on the same machine.

run.py

@@ -4,6 +4,7 @@ import os
 import atexit
 import logging
 import MetaTrader5 as mt5
+from flask import jsonify
 from core import create_app
 from core.utils.mt5 import initialize_mt5
 from core.bots.controller import shutdown_all_bots, ambil_semua_bot
@@ -21,6 +22,11 @@ def shutdown_app():
 # Panggil pabrik untuk membuat aplikasi kita
 app = create_app()
 
+@app.route('/api/health')
+def health_check():
+    """Endpoint untuk memastikan server berjalan."""
+    return jsonify({"status": "ok", "message": "Server is running"})
+
 if __name__ == '__main__':
     # --- Inisialisasi MT5 Terpusat ---
     # Dilakukan di sini untuk memastikan hanya berjalan sekali.
@@ -33,11 +39,14 @@ if __name__ == '__main__':
             ambil_semua_bot() # Muat bot setelah koneksi berhasil
             atexit.register(shutdown_app) # Daftarkan shutdown HANYA jika koneksi berhasil
     except Exception as e:
-        logging.critical(f"GAGAL total saat inisialisasi MT5 di run.py: {e}", exc_info=True)
+        logging.critical(
+            f"GAGAL total saat inisialisasi MT5 di run.py: {e}",
+            exc_info=True
+        )
 
     app.run(
         debug=os.getenv('FLASK_DEBUG', 'False').lower() == 'true',
         host=os.getenv('FLASK_HOST', '127.0.0.1'),
         port=int(os.getenv('FLASK_PORT', 5000)),
-        use_reloader=False # Ini tetap sangat penting
+        use_reloader=False
     )