refactor: Move balance tool classes to standard package structure (Package-by-Layer)

disable_kafka.py

@@ -0,0 +1,17 @@
+import os
+
+for root, _, files in os.walk('.'):
+    for f in files:
+        if f == 'application-local.properties':
+            p = os.path.join(root, f)
+            try:
+                content = open(p, encoding='utf-8').read()
+            except Exception:
+                content = open(p, encoding='cp949').read()
+                
+            # Disable Kafka AutoConfiguration if not present
+            if 'KafkaAutoConfiguration' not in content:
+                content += '\n# Disable Kafka\nspring.autoconfigure.exclude=org.springframework.boot.autoconfigure.kafka.KafkaAutoConfiguration\n'
+                
+            with open(p, 'w', encoding='utf-8') as out:
+                out.write(content)