fix(ci): resolve ubuntu check regressions

scripts/generate-skills.mjs

@@ -512,7 +512,7 @@ async function clearGeneratedRoot(rootDir) {
       // Remove the directory only if nothing protected remains inside it.
       const remaining = await readdir(fullPath).catch(() => []);
       if (remaining.length === 0) {
-        await rm(fullPath, { force: true });
+        await rm(fullPath, { recursive: true, force: true });
       }
     } else {
       await rm(fullPath, { force: true });

scripts/manage-skills.mjs

@@ -203,6 +203,15 @@ async function interactiveAnswers({ dryRun = false } = {}) {
   }
 }
 
+async function readAnswers(source) {
+  if (source === "-") {
+    let content = "";
+    for await (const chunk of input) content += chunk;
+    return JSON.parse(content);
+  }
+  return JSON.parse(await readFile(path.resolve(source), "utf8"));
+}
+
 async function main() {
   const args = parseArgs(process.argv.slice(2));
   if (args.help) {
@@ -216,7 +225,7 @@ async function main() {
 
   let answers;
   if (args.answers) {
-    answers = JSON.parse(await readFile(path.resolve(args.answers), "utf8"));
+    answers = await readAnswers(args.answers);
   } else {
     answers = await buildCliSelection(args);
   }

scripts/tests/generate-skills.test.mjs

@@ -9,7 +9,7 @@
  */
 
 import assert from "node:assert/strict";
-import { mkdtemp, mkdir, writeFile, rm } from "node:fs/promises";
+import { mkdtemp, mkdir, writeFile, rm, readFile } from "node:fs/promises";
 import crypto from "node:crypto";
 import { tmpdir } from "node:os";
 import path from "node:path";
@@ -25,6 +25,7 @@ const {
   makePackageJsonContent,
   getGeneratedRoots,
   buildManifest,
+  generateSkills,
 } = await import(`${SCRIPTS_DIR}/generate-skills.mjs`);
 
 // ── detectFileType ────────────────────────────────────────────────────────
@@ -348,3 +349,17 @@ test("buildManifest: sha256 matches actual file content", async () => {
     await rm(dir, { recursive: true, force: true });
   }
 });
+
+test("generateSkills: clears pre-existing empty generated directories without EISDIR", async () => {
+  const targetRoot = await mkdtemp(path.join(tmpdir(), "generate-skills-target-"));
+  try {
+    await mkdir(path.join(targetRoot, "skills", "create-plan", "claude-code", "templates"), { recursive: true });
+
+    await generateSkills(path.resolve(SCRIPTS_DIR, ".."), { targetRoot });
+
+    await readFile(path.join(targetRoot, "skills", "create-plan", "claude-code", "SKILL.md"), "utf8");
+    await readFile(path.join(targetRoot, "skills", "create-plan", "claude-code", "templates", "milestone-plan.md"), "utf8");
+  } finally {
+    await rm(targetRoot, { recursive: true, force: true });
+  }
+});

scripts/tests/skill-manager-core.test.mjs

@@ -404,7 +404,7 @@ test("cli exits without confirmation when no operations are planned", () => {
   const output = execFileSync(process.execPath, [
     path.join(REPO_ROOT, "scripts", "manage-skills.mjs"),
     "--answers",
-    "/dev/stdin",
+    "-",
   ], {
     cwd: REPO_ROOT,
     encoding: "utf8",