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

tests/test_file_browser.py

@@ -0,0 +1,30 @@
+from pathlib import Path
+
+from pygui.backend.data.file_browser import FileBrowser
+
+
+def _write_csv(path, wafer_id="P00001"):
+    path.write_text(
+        f"Wafer ID={wafer_id}\n"
+        "Acquisition Date=03/26/2025\n"
+        "Label,1,2,3\n"
+        "X (mm),0,10,-10\n"
+        "Y (mm),10,-10,-10\n"
+        "data\n"
+        "0.0,149.0,148.5,150.6\n"
+    )
+
+
+def test_recorded_live_file_flagged_as_recording(qapp, tmp_path):
+    """Files named live_<serial>_<timestamp>.csv (SessionController.startRecording)
+    must be distinguishable in the browser from read-memory dumps."""
+    _write_csv(tmp_path / "live_P00001_20260706_143022.csv")
+    _write_csv(tmp_path / "P00002-20260706_143500.csv")
+
+    browser = FileBrowser()
+    browser._set_current_directory(tmp_path)
+    browser.refreshFiles()
+
+    files_by_name = {Path(row["fileName"]).name: row for row in browser.files}
+    assert files_by_name["live_P00001_20260706_143022.csv"]["isRecording"] is True
+    assert files_by_name["P00002-20260706_143500.csv"]["isRecording"] is False