feat(skills): add installer plan command output

src/cli/skills.test.ts

@@ -11,6 +11,8 @@ import {
   renderSkillsRefreshSummary,
   installSkillFromDirectory,
   uninstallSkillByName,
+  toSkillInstallerPlanView,
+  renderSkillInstallerPlan,
 } from './skills.js';
 import type { Skill } from '../skills/index.js';
 
@@ -124,6 +126,40 @@ describe('skills CLI helpers', () => {
     expect(output).toContain('[download] download https://example.com/tool.tgz -> /tmp/tool.tgz');
   });
 
+  it('builds installer plan view for automation output', () => {
+    const view = toSkillInstallerPlanView(
+      buildSkill({
+        manifest: {
+          name: 'plan-target',
+          description: 'Plan me',
+          version: '3.2.1',
+          tier: 'managed',
+          installers: [{ type: 'download', url: 'https://example.com/bin.tar.gz' }],
+        },
+      }),
+    );
+
+    expect(view.skill.name).toBe('plan-target');
+    expect(view.mode).toBe('dry-run');
+    expect(view.steps.length).toBe(1);
+    expect(view.steps[0]?.installerType).toBe('download');
+  });
+
+  it('renders installer plan summary text', () => {
+    const output = renderSkillInstallerPlan({
+      skill: { name: 'plan-target', tier: 'bundled', version: '1.0.0' },
+      mode: 'dry-run',
+      steps: [{ installerType: 'download', command: 'download https://example.com/tool -> /tmp/tool' }],
+      skipped: [{ installerType: 'brew', reason: 'brew not available in PATH' }],
+    });
+
+    expect(output).toContain("Installer plan for 'plan-target'");
+    expect(output).toContain('Planned steps:');
+    expect(output).toContain('[download] download https://example.com/tool -> /tmp/tool');
+    expect(output).toContain('Skipped steps:');
+    expect(output).toContain('[brew] brew not available in PATH');
+  });
+
   it('summarizes refresh counts across status and tiers', () => {
     const summary = summarizeSkillsRefresh([
       buildSkill({ manifest: { name: 'a', description: 'a', version: '1.0.0', tier: 'bundled' } }),