fix(tests): test_theme_count 15 -> 16 (theme spark ajoute en 2.80.2)

tests/test_themes.py

@@ -2,7 +2,7 @@
 
 Validates:
 - Theme JSON structure validity
-- All 15 built-in themes have required keys and valid CSS colors
+- All 16 built-in themes have required keys and valid CSS colors
 - High-contrast and sepia mode generators produce valid CSS vars
 - Import/export round-trip
 - AVAILABLE_MODES includes all 4 modes
@@ -80,9 +80,9 @@ class TestThemeStructure:
         assert '_genSepia' in self.content
 
     def test_theme_count(self):
-        """Should have 15 built-in themes."""
+        """Should have 16 built-in themes."""
         names = _extract_theme_names(self.content)
-        assert len(names) == 15, f"Expected 15 themes, found {len(names)}: {names}"
+        assert len(names) == 16, f"Expected 16 themes, found {len(names)}: {names}"
 
     def test_required_export_functions(self):
         """All required functions should be exported."""