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Date: Sat, 3 Oct 2026 13:47:02 +0800
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- check-generated-bindings.mjs：snapshot() 遇到目标目录不存在时由 console.warn + 返回空 Map 改为抛出错误
- 旧实现下，若 export_to 路径被改名或生成文件被整体删除，前后快照都是空 Map，diff 报不出任何问题，校验以"0 个文件"静默通过
- 现在目录缺失会立即失败并指出是哪个目录，不再给假绿
---
 scripts/check-generated-bindings.mjs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/check-generated-bindings.mjs b/scripts/check-generated-bindings.mjs
index cda910285..2ca94a959 100644
--- a/scripts/check-generated-bindings.mjs
+++ b/scripts/check-generated-bindings.mjs
@@ -74,8 +74,9 @@ const targets = [
 function snapshot(dir) {
   const absolute = path.join(repoRoot, dir);
   if (!fs.existsSync(absolute)) {
-    console.warn(`目录不存在，跳过校验：${dir}`);
-    return new Map();
+    // 目录不存在时旧实现返回空 Map：若前后快照都为空，diff 什么都不报，这个 target 会以
+    // "0 个文件"静默通过——`export_to` 路径被改名或生成文件被整体删除时，校验形同虚设。
+    throw new Error(`生成绑定目录不存在，无法校验：${dir}`);
   }
   const entries = fs.readdirSync(absolute, { recursive: true });
   return new Map(