Enhance launcher startup log formatting for improved readability and visual appeal

src/voice_dialogue/core/launcher.py

@@ -115,7 +115,14 @@ def launch_system(
     while not all([thread.is_ready for thread in threads]):
         time.sleep(0.1)
 
-    logger.info(f'{"=" * 80}\n服务启动成功\n{"=" * 80}')
+    logger.info(
+        f'\n'
+        f"┌──────────────────────────────────────────┐\n"
+        f"│                                          │\n"
+        f"│             🚀 服务启动成功 🚀             │\n"
+        f"│                                          │\n"
+        f"└──────────────────────────────────────────┘"
+    )
 
     # 等待所有线程结束
     for thread in threads: