Fix NaT bug on empty states and update volume type

app.py

@@ -190,7 +190,7 @@ with col2:
     
     # Reindex to ensure we cover from START_DATE to Today (or Max Date)
     # This ensures weeks with 0 work are counted in the average
-    max_date = max(df['date'].max(), pd.Timestamp.now())
+    max_date = pd.Timestamp.now() if df.empty or pd.isna(df['date'].max()) else max(df['date'].max(), pd.Timestamp.now())
     full_weeks = pd.date_range(start=START_DATE, end=max_date, freq='W-MON')
     weekly_data = weekly_data.reindex(full_weeks, fill_value=0)
     

docker-compose.yml

@@ -9,8 +9,5 @@ services:
     environment:
       - DB_FILE=/data/work_log.db
     volumes:
-      - tracker_data:/data
+      - ./:/data
     restart: unless-stopped
-
-volumes:
-  tracker_data: