Create session_manager.py

session_manager.py

@@ -0,0 +1,38 @@
+import json
+import uuid
+from datetime import datetime
+from pathlib import Path
+
+class SessionManager:
+    def __init__(self):
+        self.sessions_dir = Path("data/sessions")
+        self.sessions_dir.mkdir(parents=True, exist_ok=True)
+    
+    def create_session(self) -> str:
+        """Create new empty session and return ID"""
+        session_id = str(uuid.uuid4())
+        self.save_session(session_id, {
+            "created_at": datetime.now().isoformat(),
+            "history": []
+        })
+        return session_id
+    
+    def save_session(self, session_id: str, data: dict):
+        """Save session data to file"""
+        with open(self.sessions_dir / f"{session_id}.json", "w") as f:
+            json.dump(data, f, indent=2)
+    
+    def load_session(self, session_id: str) -> dict:
+        """Load session data or create new if not found"""
+        try:
+            with open(self.sessions_dir / f"{session_id}.json") as f:
+                return json.load(f)
+        except FileNotFoundError:
+            return self.create_session()
+    
+    def clear_session(self, session_id: str):
+        """Reset session while keeping ID"""
+        self.save_session(session_id, {
+            "created_at": datetime.now().isoformat(),
+            "history": []
+        })