工程(S9类型闸正则修复): FUNC_DECL 认行尾冒号与 static 前缀两洞修复，存量 29 处补类型注解零行为变化，--code 域闸全绿（回执 domain=code）

game/core/effect_engine.gd

@@ -309,7 +309,7 @@ func _cond_ok(ctx: EffectContext, c: Dictionary, payload: Dictionary, facts: Cal
 	return false
 
 
-func _fact_value(ctx: EffectContext, fact: String, c: Dictionary, payload: Dictionary, facts: Callable):
+func _fact_value(ctx: EffectContext, fact: String, c: Dictionary, payload: Dictionary, facts: Callable) -> Variant:
 	match fact:
 		"counter":
 			return counter(ctx, String(c.get("id", "")))