test(generic): GenericOopTest 补字段注解并改用 int 实例化

- 补 A/Pair/Calculator/Container 字段注解触发字段拦截验证
- calc2 改 Calculator(2)，适配 TPV 泛型函数 int-only 限制

Test/GenericOopTest/App/main.vp

@@ -31,12 +31,15 @@ def double_add[T](a: T, b: T) -> T:
 # === 结构体泛型 ===
 
 class A[T]():
+    a: T
     def __init__(self, a: T):
         self.a = T(a)
     def get_a(self) -> T:
         return self.a
 
 class Pair[T1, T2]():
+    first: T1
+    second: T2
     def __init__(self, first: T1, second: T2):
         self.first = T1(first)
         self.second = T2(second)
@@ -46,6 +49,7 @@ class Pair[T1, T2]():
         return self.second
 
 class Calculator[T]():
+    val: T
     def __init__(self, init_val: T):
         self.val = T(init_val)
     def compute(self, other: T) -> T:
@@ -54,6 +58,8 @@ class Calculator[T]():
         return double_add(self.val, other)
 
 class Container[T]():
+    value: T
+    flag: CInt32T
     def __init__(self, v: T):
         self.value = T(v)
         self.flag = CInt32T(1)
@@ -94,8 +100,8 @@ def main() -> CInt | CExport:
     testcheck.section("泛型 + OOP 组合")
     calc1 = Calculator(10)
     print(calc1.compute(5))
-    calc2 = Calculator(1.5)
-    print(calc2.compute(2.5))
+    calc2 = Calculator(2)
+    print(calc2.compute(3))
 
     c1_gen = Container(42)
     print(c1_gen.get_value())