feat: Add confirmation prompt for overwriting existing presets

src/search_filter_ui.py

@@ -526,6 +526,12 @@ class SearchFilterWidget:
         if not name:
             return
         presets = get_pref("filter_presets", {}) or {}
+        if name in presets and not messagebox.askyesno(
+            "Overwrite Preset",
+            f"Preset '{name}' exists. Overwrite?",
+            parent=self.parent,
+        ):
+            return
         presets[name] = self.data_filter.get_filter_summary()
         set_pref("filter_presets", presets)
         save_preferences()