Add debug output to api/data endpoint

app.py

@@ -28,19 +28,27 @@ def settings():
 
 @app.route('/api/data')
 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 [],
-        'stats': stats if stats else {}
-    }
-    return jsonify(data)
+    try:
+        summary = miner_api.summary()
+        devs = miner_api.devs()
+        pools = miner_api.pools()
+        stats = miner_api.stats()
+        
+        # Debug prints to console (visible in journalctl)
+        if not summary: print("API Error: Summary is None")
+        if not devs: print("API Error: Devs is None")
+        
+        # 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 [],
+            'stats': stats if stats else {}
+        }
+        return jsonify(data)
+    except Exception as e:
+        print(f"API Data Error: {e}")
+        return jsonify({'error': str(e)})
 
 @app.route('/api/log')
 def api_log():