Add live log viewer and enable file logging in service

app.py

@@ -24,15 +24,31 @@ def api_data():
     summary = miner_api.summary()
     devs = miner_api.devs()
     pools = miner_api.pools()
+    stats = miner_api.stats()
     
     # Process data for easier frontend consumption
     data = {
         'summary': summary['SUMMARY'][0] if summary and 'SUMMARY' in summary else {},
         'devs': devs['DEVS'] if devs and 'DEVS' in devs else [],
-        'pools': pools['POOLS'] if pools and 'POOLS' in pools else []
+        'pools': pools['POOLS'] if pools and 'POOLS' in pools else [],
+        'stats': stats if stats else {}
     }
     return jsonify(data)
 
+@app.route('/api/log')
+def api_log():
+    log_path = 'cgminer.log'
+    if not os.path.exists(log_path):
+        return jsonify({'log': 'Kein Log gefunden.'})
+    
+    try:
+        # Read last 50 lines
+        with open(log_path, 'r') as f:
+            lines = f.readlines()
+            return jsonify({'log': ''.join(lines[-50:])})
+    except Exception as e:
+        return jsonify({'log': f'Fehler beim Lesen des Logs: {str(e)}'})
+
 @app.route('/save_settings', methods=['POST'])
 def save_settings():
     # Construct config object from form