Add "Tipy dne" folder and fix stale genre folder cleanup

src/ui/qt_app.py

@@ -957,12 +957,14 @@ class QtApp(QMainWindow):
             QMessageBox.information(self, "Filmotéka", "Pool je prázdný.")
             return
         manager = HardlinkManager(out)
+        reserved = set(self.filehandler.copyasis_folders) | {"Tipy dne"}
         created, create_fail, removed, remove_fail = manager.sync_structure(
             files,
             category_roots=self.filehandler.filmoteka_category_roots(),
             category_transforms=self.filehandler.filmoteka_category_transforms(),
             category_filename_templates=(
                 self.filehandler.filmoteka_category_filename_templates()),
+            reserved_subfolders=reserved,
         )
 
         # Copy-as-is folders (e.g. Seriály): mirror each 1:1 (hardlinked)
@@ -976,17 +978,22 @@ class QtApp(QMainWindow):
                 mirrored += m_created
                 mirror_fail += m_failed
 
+        # "Tipy dne": 10 random pool movies (copy-as-is folders excluded)
+        tips, tips_fail = manager.generate_random_tips(files, count=10)
+
         msg = (
             f"Filmy — vytvořeno: {created}, odebráno zastaralých: {removed}\n"
-            f"Copy-as-is — zrcadleno: {mirrored}"
+            f"Copy-as-is — zrcadleno: {mirrored}\n"
+            f"Tipy dne — náhodně: {tips}"
         )
-        if create_fail or remove_fail or mirror_fail:
-            msg += f"\nSelhalo: {create_fail + remove_fail + mirror_fail}"
+        if create_fail or remove_fail or mirror_fail or tips_fail:
+            msg += f"\nSelhalo: {create_fail + remove_fail + mirror_fail + tips_fail}"
             QMessageBox.warning(self, "Filmotéka dokončena s chybami", msg)
         else:
             QMessageBox.information(self, "Filmotéka vygenerována", msg)
         self.status.showMessage(
-            f"Filmotéka: filmy +{created}/-{removed}, copy-as-is +{mirrored}", 5000
+            f"Filmotéka: filmy +{created}/-{removed}, copy-as-is +{mirrored}, "
+            f"tipy +{tips}", 5000
         )
 
     def edit_copyasis_folders(self) -> None: