update train file nam

TRAINING_UPDATE_SUMMARY.md

@@ -44,7 +44,7 @@ DEFAULT_LABEL_MAPPING = {
 {
   "files": [
     {
-      "filename": "ST_training data_updated_1130points_new.shp",
+      "filename": "ST_training_data_updated_1130points_new.shp",
       "path": "train/...",
       "size_mb": 0.15,
       "point_count": 1130,
@@ -110,7 +110,7 @@ DEFAULT_LABEL_MAPPING = {
 
 Features:
 - Dropdown chọn shapefile từ thư mục `/train`
-- Tự động load default: `ST_training data_updated_1130points_new.shp`
+- Tự động load default: `ST_training_data_updated_1130points_new.shp`
 - Hiển thị thông tin: số điểm, label column, số lớp, bbox
 
 #### ✅ Thêm phần hiển thị thông tin Shapefile:
@@ -149,7 +149,7 @@ Features:
 
 #### ✅ Cập nhật form submission:
 - Thêm `training_shapefile` vào config
-- Default: `train/ST_training data_updated_1130points_new.shp`
+- Default: `train/ST_training_data_updated_1130points_new.shp`
 
 #### ✅ Event listeners:
 ```javascript
@@ -252,7 +252,7 @@ curl http://localhost:8000/api/training/files
 curl http://localhost:8000/api/training/labels
 
 # Get shapefile labels
-curl "http://localhost:8000/api/training/shapefile/ST_training data_updated_1130points_new.shp/labels"
+curl "http://localhost:8000/api/training/shapefile/ST_training_data_updated_1130points_new.shp/labels"
 ```
 
 ### Check Browser Console:
@@ -265,8 +265,8 @@ curl "http://localhost:8000/api/training/shapefile/ST_training data_updated_1130
 ## 📝 Notes
 
 1. **Training shapefile path format**:
-   - Frontend select value: `ST_training data_updated_1130points_new.shp`
-   - Backend receives: `train/ST_training data_updated_1130points_new.shp`
+   - Frontend select value: `ST_training_data_updated_1130points_new.shp`
+   - Backend receives: `train/ST_training_data_updated_1130points_new.shp`
    - Auto-prepend `train/` prefix in form submission
 
 2. **Label mapping**: