feat(skills): expose list command for skill visibility

src/cli/skills.test.ts

@@ -0,0 +1,61 @@
+import { describe, it, expect } from 'vitest';
+import { toSkillListRows, renderSkillsTable } from './skills.js';
+import type { Skill } from '../skills/index.js';
+
+function buildSkill(overrides: Partial<Skill>): Skill {
+  return {
+    manifest: {
+      name: 'sample-skill',
+      description: 'Sample skill',
+      version: '1.0.0',
+      tier: 'workspace',
+      ...overrides.manifest,
+    },
+    instructions: '# Sample skill',
+    directory: '/tmp/sample-skill',
+    available: true,
+    ...overrides,
+  };
+}
+
+describe('skills CLI helpers', () => {
+  it('maps and sorts skill rows', () => {
+    const rows = toSkillListRows([
+      buildSkill({
+        manifest: {
+          name: 'zeta',
+          description: 'zeta',
+          version: '1.0.0',
+          tier: 'managed',
+        },
+      }),
+      buildSkill({
+        manifest: {
+          name: 'alpha',
+          description: 'alpha',
+          version: '1.0.0',
+          tier: 'bundled',
+        },
+      }),
+    ]);
+
+    expect(rows.map((row) => row.name)).toEqual(['alpha', 'zeta']);
+    expect(rows[0]?.status).toBe('available');
+  });
+
+  it('includes unavailable reason text', () => {
+    const rows = toSkillListRows([
+      buildSkill({
+        available: false,
+        unavailableReasons: ['Required binary not found', 'Missing API key'],
+      }),
+    ]);
+
+    expect(rows[0]?.status).toBe('unavailable');
+    expect(rows[0]?.reason).toBe('Required binary not found; Missing API key');
+  });
+
+  it('renders a no-skills message when empty', () => {
+    expect(renderSkillsTable([])).toBe('No skills found.');
+  });
+});