[Update] agent 호출 구조 변경

lib/utils/env_checker.py

@@ -8,7 +8,6 @@ def check_env_variables():
         "BACKEND_URL",
         "GOOGLE_API_KEY",
         "GOOGLE_MODEL",
-        "GOOGLE_PLANNER_MODEL"
     ]
     
     for var in required_vars:

lib/utils/progress_checker.py

@@ -4,6 +4,26 @@ from pathlib import Path
 
 progress_file = Path("data/scan_progress.json")
 
+class ProgressChecker:
+    def __init__(self, filepath):
+        self.filepath = filepath
+        self.progress = self.load_progress()
+
+    def save(self):
+        """현재 진행 상황을 파일에 저장"""
+        with open(self.filepath, 'w', encoding='utf-8') as f:
+            json.dump(self.progress, f, ensure_ascii=False, indent=2)
+
+    def load(self):
+        """이전 진행 상황을 파일에서 불러오기"""
+        if os.path.exists(self.filepath):
+            try:
+                with open(self.filepath, 'r', encoding='utf-8') as f:
+                    return json.load(f)
+            except:
+                return None
+        return None
+
 
 def save_progress(current_progress):
     """현재 진행 상황을 파일에 저장"""