refactor: 去 t.CPtr(&a) 冗余包装（R15）

TransPyV 4 文件 / 7 行：Phase/BuildPipeline.vp、core/Gen/AssignGenMixin.vp、core/Gen/TranslatorGenMixin.vp。验证：自举三重重编 SUCCESS + 全量 77 项顺序回归通过。

App/lib/Phase/BuildPipeline.vp

@@ -570,16 +570,16 @@ def _run_cmd_wait(cmd: str) -> int:
     pi: win32process.PROCESS_INFORMATION = win32process.PROCESS_INFORMATION()
     # T() only allocas, no memset: unset STARTUPINFOA fields are stack garbage, so concurrent
     # threads get random dwFlags and CreateProcessA uses junk stdio handles. Clear si/sa/pi.
-    string.memset(t.CPtr(&si), 0, win32process.STARTUPINFOA.__sizeof__())
-    string.memset(t.CPtr(&sa), 0, w32.win32base.SECURITY_ATTRIBUTES.__sizeof__())
-    string.memset(t.CPtr(&pi), 0, win32process.PROCESS_INFORMATION.__sizeof__())
+    string.memset(&si, 0, win32process.STARTUPINFOA.__sizeof__())
+    string.memset(&sa, 0, w32.win32base.SECURITY_ATTRIBUTES.__sizeof__())
+    string.memset(&pi, 0, win32process.PROCESS_INFORMATION.__sizeof__())
     sa.nLength = w32.win32base.SECURITY_ATTRIBUTES.__sizeof__()
     sa.lpSecurityDescriptor = t.CPtr(0)
     sa.bInheritHandle = 1
     si.cb = win32process.STARTUPINFOA.__sizeof__()
     # create_flags=0: the child inherits the parent console (output shown, like system);
     # si.dwFlags stays 0 after memset (no STARTF_USESTDHANDLES, no std handles).
-    ok: int = win32process.CreateProcessA(t.CPtr(0), cmd_line, t.CPtr(0), t.CPtr(0), 1, 0, t.CPtr(0), t.CPtr(0), t.CPtr(&si), t.CPtr(&pi))
+    ok: int = win32process.CreateProcessA(t.CPtr(0), cmd_line, t.CPtr(0), t.CPtr(0), 1, 0, t.CPtr(0), t.CPtr(0), &si, &pi)
     # CreateProcessA failure diagnostics: read GetLastError immediately (later calls overwrite
     # it). Use warning, not error (error would sys.exit in a worker thread).
     if ok == 0:
@@ -589,7 +589,7 @@ def _run_cmd_wait(cmd: str) -> int:
     if ok == 0: return -1
     win32sync.WaitForSingleObject(pi.hProcess, w32.win32base.INFINITE)
     exit_code: uint32 = 0
-    win32process.GetExitCodeProcess(pi.hProcess, t.CPtr(&exit_code))
+    win32process.GetExitCodeProcess(pi.hProcess, &exit_code)
     w32.win32base.CloseHandle(pi.hProcess)
     w32.win32base.CloseHandle(pi.hThread)
     return int(exit_code)

App/lib/__init__.vp

@@ -1,7 +1,4 @@
-import t, c
-from stdint import *
 import memhub
-import lib.core.VLogger as VLogger
 
 
 # lib package entry - declares the global _mbuddy memory-pool pointer.

App/lib/core/Gen/AssignGenMixin.vp

@@ -370,7 +370,7 @@ novirtual class AssignGenMixin:
                 # Recover the float value from the source file (AST float_val may be overwritten)
                 use_val: double = cn_fp.float_val
                 rec_d: double = 0.0
-                if self._recover_cdefine_float(name, t.CPtr(&rec_d)) != 0: use_val = rec_d
+                if self._recover_cdefine_float(name, &rec_d) != 0: use_val = rec_d
                 else:
                     # Source recovery failed: fail fast to avoid registering a corrupted float
                     self.Gen.TypeGenErr.fatal_error(val_node, "CDefine 浮点值源文件恢复失败", "InternalCompilerError")

App/lib/core/Gen/TranslatorGenMixin.vp

@@ -632,7 +632,7 @@ novirtual class TranslatorGenMixin:
             if is_fty_g == 0:
                 self.Gen.TypeGenErr.fatal_error(node, f"模块级变量 '{var_name}' 用浮点字面量初始化，但注解不是浮点类型", "TypeError")
                 return 0
-            if self.Gen.AssignGen._recover_float_literal(var_name, t.CPtr(&init_fval), 0) != 1:
+            if self.Gen.AssignGen._recover_float_literal(var_name, &init_fval, 0) != 1:
                 self.Gen.TypeGenErr.fatal_error(node, f"模块级浮点变量 '{var_name}' 初始化值源文件恢复失败", "InternalCompilerError")
                 return 0