Update text column handling in build_atlas_command to improve dataset compatibility

atlas-export.py

@@ -147,9 +147,12 @@ def build_atlas_command(args) -> tuple[list, str, Optional[Path]]:
     if args.batch_size:
         cmd.extend(["--batch-size", str(args.batch_size)])
 
-    # Always specify text column to avoid interactive prompt
-    text_col = args.text_column or "text"  # Default to "text" if not specified
-    cmd.extend(["--text", text_col])
+    # Only specify text column if provided or if not an image-only dataset
+    if args.text_column:
+        cmd.extend(["--text", args.text_column])
+    elif not args.image_column:
+        # Default to "text" only for text datasets (when no image column is specified)
+        cmd.extend(["--text", "text"])
 
     if args.image_column:
         cmd.extend(["--image", args.image_column])