feat(skills): add refresh summary for discovery health

src/cli/skills.test.ts

@@ -7,6 +7,8 @@ import {
   toSkillListRows,
   renderSkillsTable,
   renderSkillInfo,
+  summarizeSkillsRefresh,
+  renderSkillsRefreshSummary,
   installSkillFromDirectory,
   uninstallSkillByName,
 } from './skills.js';
@@ -102,6 +104,31 @@ describe('skills CLI helpers', () => {
     expect(output).toContain('Unavailable reasons: Required binary not found');
   });
 
+  it('summarizes refresh counts across status and tiers', () => {
+    const summary = summarizeSkillsRefresh([
+      buildSkill({ manifest: { name: 'a', description: 'a', version: '1.0.0', tier: 'bundled' } }),
+      buildSkill({ manifest: { name: 'b', description: 'b', version: '1.0.0', tier: 'managed' } }),
+      buildSkill({ available: false, manifest: { name: 'c', description: 'c', version: '1.0.0', tier: 'workspace' } }),
+    ]);
+
+    expect(summary.total).toBe(3);
+    expect(summary.available).toBe(2);
+    expect(summary.unavailable).toBe(1);
+    expect(summary.tiers).toEqual({ bundled: 1, managed: 1, workspace: 1 });
+  });
+
+  it('renders refresh summary text', () => {
+    const output = renderSkillsRefreshSummary({
+      total: 4,
+      available: 3,
+      unavailable: 1,
+      tiers: { bundled: 2, managed: 1, workspace: 1 },
+    });
+
+    expect(output).toContain('Refreshed 4 skills');
+    expect(output).toContain('By tier: bundled=2, managed=1, workspace=1');
+  });
+
   it('installs a local skill directory', () => {
     const root = mkdtempSync(join(tmpdir(), 'flynn-skills-cli-'));
     const sourceDir = join(root, 'source-skill');