feat(theme): game_theme.tres (fonts + stylebox variations) via builder

client/tests/unit/test_theme_resource.gd

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+# client/tests/unit/test_theme_resource.gd
+extends "res://addons/gut/test.gd"
+
+const ThemeKeys = preload("res://scripts/theme/theme_keys.gd")
+const THEME_PATH := "res://assets/theme/game_theme.tres"
+
+
+func test_theme_loads():
+	assert_true(FileAccess.file_exists(THEME_PATH), "theme not built — run build_game_theme.gd")
+	var t = load(THEME_PATH)
+	assert_true(t is Theme)
+
+
+func test_every_variation_resolves():
+	var t: Theme = load(THEME_PATH)
+	for key in ThemeKeys.ALL:
+		var base: String = ThemeKeys.ALL[key]
+		assert_eq(t.get_type_variation_base(key), StringName(base),
+			"variation %s missing or wrong base" % key)
+
+
+func test_cta_has_normal_stylebox():
+	var t: Theme = load(THEME_PATH)
+	assert_true(t.has_stylebox(&"normal", ThemeKeys.PRIMARY_CTA))
+
+
+func test_default_font_is_set():
+	var t: Theme = load(THEME_PATH)
+	assert_true(t.default_font is FontFile)

client/tests/unit/test_theme_resource.gd.uid

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+uid://bjwiotv7oid2t