自举实验失败，C1 编译 Test 成功，暂未达到自举收敛点

App/main.py

@@ -227,7 +227,7 @@ def main() -> int:
         Config.resolve_paths(proj_dir)
         Config.print_config()
 
-    # === --clean: 清理 temp 和 output 目录 ===
+    # === --clean: 清理 temp、output 和 includes.binary 目录 ===
     if _gb_clean:
         if log is not None:
             log.info("清理临时目录...", "clean")
@@ -245,6 +245,15 @@ def main() -> int:
                 if fb2 is not None:
                     viperlib.snprintf(fb2, 1024, "%s: 删除 %d 个文件", Config.OutputDir, n2)
                     log.info(fb2, "clean")
+        # 清理 includes.binary 目录（旧 .obj 文件会导致跳过重新编译）
+        mf_inc_bin_clean: str = Config.get_includes_binary_dir()
+        if mf_inc_bin_clean is not None:
+            n3: int = Utils.CleanDir(mf_inc_bin_clean)
+            if log is not None:
+                fb3: t.CChar | t.CPtr = VLogger.fmt_buf()
+                if fb3 is not None:
+                    viperlib.snprintf(fb3, 1024, "%s: 删除 %d 个文件", mf_inc_bin_clean, n3)
+                    log.info(fb3, "clean")
 
     # === --phase 参数控制 ===
     # phase=1: 仅 stub 分离（生成 .stub.ll/.text.ll），不编译