更新：1、调整构建脚本，去除扫描模式配置项；

Signed-off-by: waiwaylee <waiwaylee@foxmail.com>

.vscode/scripts/clean_all.bat

@@ -6,10 +6,10 @@ rem Usage:
 rem   clean_all.bat
 rem
 rem Build layout (see config_paths.bat):
-rem   build\<X256_PS^|X256_MS^>\<Debug^|Release^>\<REC_AUTO^|REC_OFF^|REC_ON^>
+rem   build\<Debug^|Release^>\<REC_AUTO^|REC_OFF^|REC_ON^>
 rem
-rem A legacy single-configuration build tree (build\X256_PS or build\X256_MS
-rem containing CMakeCache.txt directly) is removed as a whole as well.
+rem The legacy per-scan-mode roots build\X256_PS and build\X256_MS (used before
+rem the mechanical/phase variants were merged) are removed as a whole as well.
 rem build\output (archived package export) is never touched.
 rem
 rem Encoding: keep this file ASCII-only (see msvc_env.bat).
@@ -17,19 +17,21 @@ rem ===========================================================================
 setlocal EnableExtensions
 pushd "%~dp0..\.."
 set "FAILED="
+
+rem legacy layout: one root per scan mode (contains its own build tree directly)
 for %%S in (X256_PS X256_MS) do (
-    if exist "build\%%S\CMakeCache.txt" (
-        call :remove "build\%%S"
-    ) else (
-        for %%T in (Debug Release) do (
-            for %%R in (REC_AUTO REC_OFF REC_ON) do (
-                call :remove "build\%%S\%%T\%%R"
-            )
-        )
-        rem drop the directory root when every configuration is gone
-        rmdir "build\%%S" 2>nul
-    )
+    call :remove "build\%%S"
 )
+
+rem current layout: build\<Debug|Release>\<REC_*>
+for %%T in (Debug Release) do (
+    for %%R in (REC_AUTO REC_OFF REC_ON) do (
+        call :remove "build\%%T\%%R"
+    )
+    rem drop the build type root when every configuration is gone
+    rmdir "build\%%T" 2>nul
+)
+
 echo.
 echo [clean_all] archived package export "build\output" left untouched
 if defined FAILED (