diff --git a/packages/mosaic/src/commands/skill.spec.ts b/packages/mosaic/src/commands/skill.spec.ts
index 8d31765b..17ec47f7 100644
--- a/packages/mosaic/src/commands/skill.spec.ts
+++ b/packages/mosaic/src/commands/skill.spec.ts
@@ -332,9 +332,11 @@ describe('Claude skill bridge', () => {
       expect(result.status, result.stderr).toBe(0);
       expect(readlinkSync(liveForeignLink)).toBe(liveForeignTarget);
       expect(readlinkSync(danglingForeignLink)).toBe(join(mosaicHome, 'foreign-missing'));
-      expect(readlinkSync(join(paths.claudeSkillsDir, 'missing'))).toBe(
+      // Skills now link into the mosaic-owned harness home, never the base install.
+      expect(readlinkSync(join(mosaicHome, '.claude', 'skills', 'missing'))).toBe(
         join(paths.mosaicSkillsDir, 'missing'),
       );
+      expect(existsSync(join(paths.claudeSkillsDir, 'missing'))).toBe(false);
     });
 
     it('preserves live and dangling foreign Claude symlinks while linking missing skills', () => {
@@ -349,17 +351,20 @@ describe('Claude skill bridge', () => {
       symlinkSync(external, liveLink);
       symlinkSync(join(root, 'external-missing'), danglingLink);
 
+      const mosaicHome = join(root, '.config', 'mosaic');
       const result = spawnSync('bash', [LEGACY_SYNC_SCRIPT, '--link-only'], {
         encoding: 'utf8',
-        env: { ...process.env, HOME: root, MOSAIC_HOME: join(root, '.config', 'mosaic') },
+        env: { ...process.env, HOME: root, MOSAIC_HOME: mosaicHome },
       });
 
       expect(result.status, result.stderr).toBe(0);
       expect(readlinkSync(liveLink)).toBe(external);
       expect(readlinkSync(danglingLink)).toBe(join(root, 'external-missing'));
-      expect(readlinkSync(join(paths.claudeSkillsDir, 'missing'))).toBe(
+      // Skills now link into the mosaic-owned harness home, never the base install.
+      expect(readlinkSync(join(mosaicHome, '.claude', 'skills', 'missing'))).toBe(
         join(paths.mosaicSkillsDir, 'missing'),
       );
+      expect(existsSync(join(paths.claudeSkillsDir, 'missing'))).toBe(false);
     });
   });