feat: 添加 clean 脚本清理构建过程文件

package.json

@@ -16,6 +16,7 @@
     "verify": "bun run check && bun run build && bun run test:smoke",
     "test": "bun test",
     "test:smoke": "bun run scripts/smoke.ts",
+    "clean": "bun run scripts/clean.ts",
     "typecheck": "tsc --noEmit"
   },
   "devDependencies": {

scripts/clean.ts

@@ -0,0 +1,19 @@
+import { readdir, rm } from "node:fs/promises";
+import { resolve } from "node:path";
+
+const root = resolve(import.meta.dir, "..");
+
+const patterns: Array<{ glob: string; desc: string }> = [
+  { glob: ".build/", desc: "Bun 构建缓存" },
+  { glob: ".*.bun-build", desc: "Bun 构建临时文件" },
+];
+
+for (const { glob, desc } of patterns) {
+  const entries = await Array.fromAsync(new Bun.Glob(glob).scan({ root, dot: true }));
+  if (entries.length === 0) continue;
+  for (const entry of entries) {
+    const full = resolve(root, entry);
+    await rm(full, { recursive: true, force: true });
+    console.log(`已清理 ${desc}: ${entry}`);
+  }
+}