some webUI fixes

python_app/gui/controllers/app_window_snapshot_mixin.py

@@ -7,11 +7,27 @@ import time
 
 from PyQt6.QtWidgets import QFileDialog
 from python_app.gui.runtime.history import record_result_history, remove_last_aligned_histories
+from python_app.storage.npz.paths import radar_config_filename_prefix
 
 
 class AppWindowSnapshotMixin:
     """Saves runtime data snapshots and maintains ring-reader freshness."""
 
+    def _radar_config_name_prefix(self) -> str:
+        """Filename prefix encoding the current radar setup (model, sweep span, points, power).
+
+        Prepended to every saved dataset name so the file records the configuration it was
+        captured with — identical for desktop and web saves, which share these handlers.
+        """
+        radar = self._build_config().radar
+        return radar_config_filename_prefix(
+            radar.model,
+            radar.sweep.start_hz,
+            radar.sweep.stop_hz,
+            radar.sweep.points,
+            radar.sweep.power_dbm,
+        )
+
     @staticmethod
     def _snapshot_config_profile_path(snapshot_dir: Path) -> Path:
         """Return companion config-profile path inside a saved snapshot directory."""
@@ -41,6 +57,7 @@ class AppWindowSnapshotMixin:
                 list(self._pre_history),
                 list(self._result_history),
                 last_n,
+                name_prefix=self._radar_config_name_prefix(),
             )
             config_profile_path = self._snapshot_config_profile_path(snapshot_dir)
             try:
@@ -94,6 +111,7 @@ class AppWindowSnapshotMixin:
                 last_n,
                 channel=channel,
                 primary_stage="preprocessed",
+                name_prefix=self._radar_config_name_prefix(),
             )
             output_stem = str(summary.get("output_stem", "")).strip()
             if not output_stem: