chore: 更新 TODO/toast 脚本/测试源

TODO 补编译器实验方向；toast 通知改 list 泛型方法修复完成；DecoratorTest 补 global _call_count 声明；LLvmLiteTest ConstFloat 断言改十六进制位模式。

Test/DecoratorTest/App/main.vp

@@ -283,6 +283,7 @@ def main() -> t.CInt | t.CExport:
 
     # 测试 10：递归装饰保护 — @count_calls
     testcheck.section("Test 10: recursive decoration protection")
+    global _call_count
     _call_count = 0
     r10: t.CInt = factorial(5)
     printf("factorial(5) = %d (should be 120)\n", r10)

Test/LLvmLiteTest/App/main.vp

@@ -445,16 +445,17 @@ def test_float_types(pool: memhub.MemPool | t.CPtr):
                     "FP128 -> fp128",
                     "FP128 fail")
 
-    # ConstFloat(3.14) -> "double 3.140000e+00"
+    # ConstFloat(3.14) -> "double 0x40091EB851EB851F"
+    # （LLVM IR 浮点常量规范为十六进制位模式，非科学计数法；位模式无精度损失）
     val_pi: llvmlite.Value | t.CPtr = mcore.ConstFloat(ty_double, 3.14)
     buf[0] = 0
     mcore.PrintValue(buf, 128, val_pi)
     testcheck.check(string.strstr(buf, "double") is not None,
                     "ConstFloat has 'double'",
                     "ConstFloat missing type")
-    testcheck.check(string.strstr(buf, "e+") is not None or string.strstr(buf, "e-") is not None,
-                    "ConstFloat has scientific notation",
-                    "ConstFloat missing sci notation")
+    testcheck.check(string.strstr(buf, "0x") is not None,
+                    "ConstFloat has hex bit pattern",
+                    "ConstFloat missing hex pattern")
 
 
 # ============================================================