fix: gate DTW comparisons on wafer type + recording category; surface load errors

src/pygui/backend/data/file_browser.py

@@ -119,6 +119,11 @@ class FileBrowser(QObject):
             return
 
         for csv_path in sorted(self._current_directory.glob("*.csv")):
+            # Recorded-live CSVs are named "live_<serial>_<timestamp>.csv" by
+            # SessionController.startRecording (see WaferMapTab's Record button),
+            # distinct from the "<serial>-<timestamp>.csv" convention used by
+            # DeviceController.parseAndSaveData for read-memory dumps.
+            is_recording = csv_path.stem.lower().startswith("live_")
             try:
                 metadata = self._load_metadata(csv_path)
                 wafer_type = metadata.get_wafer_type().upper() or (csv_path.stem[0].upper() if csv_path.stem else "")
@@ -146,6 +151,7 @@ class FileBrowser(QObject):
                         "masterType": master_state.get(str(csv_path), "") or metadata.master_type,
                         "fileName": str(csv_path),
                         "highlight": wafer_type in {"A", "B", "C"},
+                        "isRecording": is_recording,
                     }
                 )
             except Exception:
@@ -169,6 +175,7 @@ class FileBrowser(QObject):
                         "masterType": master_state.get(str(csv_path), ""),
                         "fileName": str(csv_path),
                         "highlight": False,
+                        "isRecording": is_recording,
                     }
                 )