diff --git a/src/skills/loading/compact-skill-paths.test.ts b/src/skills/loading/compact-skill-paths.test.ts
index 6ac872d64aec..817121eb4f17 100644
--- a/src/skills/loading/compact-skill-paths.test.ts
+++ b/src/skills/loading/compact-skill-paths.test.ts
@@ -1,15 +1,12 @@
 // Compact skill path tests cover short path formatting for skill prompt payloads.
 import os from "node:os";
 import path from "node:path";
-import { afterEach, describe, expect, it, vi } from "vitest";
+import { describe, expect, it } from "vitest";
+import { withEnv } from "../../test-utils/env.js";
 import { createCanonicalFixtureSkill } from "../test-support/test-helpers.js";
 import { testing as workspaceSkillsTesting, buildWorkspaceSkillsPrompt } from "./workspace.js";
 
 describe("compactSkillPaths", () => {
-  afterEach(() => {
-    vi.unstubAllEnvs();
-  });
-
   function buildPromptForFixtureSkill(params: {
     workspaceRoot: string;
     skillDir: string;
@@ -63,17 +60,21 @@ describe("compactSkillPaths", () => {
     const skillDir = path.join(stateDir, "skills", "world-cup-soccer-openclaw-skill");
     const skillFile = path.join(skillDir, "SKILL.md");
 
-    vi.stubEnv("HOME", osHome);
-    vi.stubEnv("OPENCLAW_HOME", osHome);
-    vi.stubEnv("OPENCLAW_STATE_DIR", stateDir);
-    vi.stubEnv("OPENCLAW_CONFIG_PATH", path.join(stateDir, "openclaw.json"));
-
-    const prompt = buildPromptForFixtureSkill({
-      workspaceRoot: path.join(root, "workspace"),
-      skillDir,
-      name: "world-cup-soccer-openclaw-skill",
-      description: "World Cup standings lookup",
-    });
+    const prompt = withEnv(
+      {
+        HOME: osHome,
+        OPENCLAW_HOME: osHome,
+        OPENCLAW_STATE_DIR: stateDir,
+        OPENCLAW_CONFIG_PATH: path.join(stateDir, "openclaw.json"),
+      },
+      () =>
+        buildPromptForFixtureSkill({
+          workspaceRoot: path.join(root, "workspace"),
+          skillDir,
+          name: "world-cup-soccer-openclaw-skill",
+          description: "World Cup standings lookup",
+        }),
+    );
 
     expect(prompt).toContain(`<location>${skillFile}</location>`);
     expect(prompt).not.toContain("~/.openclaw/skills/world-cup-soccer-openclaw-skill/SKILL.md");
@@ -86,17 +87,21 @@ describe("compactSkillPaths", () => {
     const skillDir = path.join(stateDir, "plugin-skills", "calendar-plugin-skill");
     const skillFile = path.join(skillDir, "SKILL.md");
 
-    vi.stubEnv("HOME", osHome);
-    vi.stubEnv("OPENCLAW_HOME", osHome);
-    vi.stubEnv("OPENCLAW_STATE_DIR", stateDir);
-    vi.stubEnv("OPENCLAW_CONFIG_PATH", path.join(stateDir, "openclaw.json"));
-
-    const prompt = buildPromptForFixtureSkill({
-      workspaceRoot: path.join(root, "workspace"),
-      skillDir,
-      name: "calendar-plugin-skill",
-      description: "Calendar plugin skill",
-    });
+    const prompt = withEnv(
+      {
+        HOME: osHome,
+        OPENCLAW_HOME: osHome,
+        OPENCLAW_STATE_DIR: stateDir,
+        OPENCLAW_CONFIG_PATH: path.join(stateDir, "openclaw.json"),
+      },
+      () =>
+        buildPromptForFixtureSkill({
+          workspaceRoot: path.join(root, "workspace"),
+          skillDir,
+          name: "calendar-plugin-skill",
+          description: "Calendar plugin skill",
+        }),
+    );
 
     expect(prompt).toContain(`<location>${skillFile}</location>`);
     expect(prompt).not.toContain("~/.openclaw/plugin-skills/calendar-plugin-skill/SKILL.md");
@@ -107,16 +112,20 @@ describe("compactSkillPaths", () => {
     const stateDir = path.join(home, ".openclaw");
     const skillDir = path.join(stateDir, "skills", "home-managed-skill");
 
-    vi.stubEnv("HOME", home);
-    vi.stubEnv("OPENCLAW_STATE_DIR", stateDir);
-    vi.stubEnv("OPENCLAW_HOME", undefined);
-
-    const prompt = buildPromptForFixtureSkill({
-      workspaceRoot: path.join(home, "workspace"),
-      skillDir,
-      name: "home-managed-skill",
-      description: "Home managed skill",
-    });
+    const prompt = withEnv(
+      {
+        HOME: home,
+        OPENCLAW_STATE_DIR: stateDir,
+        OPENCLAW_HOME: undefined,
+      },
+      () =>
+        buildPromptForFixtureSkill({
+          workspaceRoot: path.join(home, "workspace"),
+          skillDir,
+          name: "home-managed-skill",
+          description: "Home managed skill",
+        }),
+    );
 
     expect(prompt).toContain("<location>~/.openclaw/skills/home-managed-skill/SKILL.md</location>");
     expect(prompt).not.toContain(`<location>${path.join(skillDir, "SKILL.md")}</location>`);