feat(skills): add execute command opt-in runner flow

src/cli/skills.test.ts

@@ -25,6 +25,7 @@ import {
   noOpSkillInstallerCommandRunner,
   createShellSkillInstallerCommandRunner,
   resolveSkillInstallerCommandRunner,
+  runSkillExecuteAction,
   runSkillInstallAction,
 } from './skills.js';
 import type { Skill } from '../skills/index.js';
@@ -277,6 +278,26 @@ describe('skills CLI helpers', () => {
     expect(output).toContain('Would run:');
     expect(output).toContain('- brew install jq');
     expect(output).toContain('Skipped:');
+    expect(output).toContain('Results:');
+  });
+
+  it('renders execution report text when commands are executed', () => {
+    const output = renderSkillInstallerExecutionStub({
+      skill: { name: 'exec-stub', tier: 'bundled', version: '1.0.0' },
+      execution: 'stub',
+      mode: 'stub',
+      confirmed: true,
+      execution_enabled: true,
+      executed: ['brew install jq'],
+      reason: 'execution_enabled',
+      attempted: [{ installer_type: 'brew', command: 'brew install jq' }],
+      results: [{ installer_type: 'brew', command: 'brew install jq', status: 'succeeded', reason: 'runner_reported_success' }],
+      wouldRun: ['brew install jq'],
+      skipped: [],
+    });
+
+    expect(output).toContain('Installer commands were executed.');
+    expect(output).toContain('[brew] succeeded brew install jq (runner_reported_success)');
   });
 
   it('derives execution stub view from preflight data', () => {
@@ -756,6 +777,42 @@ describe('skills CLI helpers', () => {
     rmSync(root, { recursive: true, force: true });
   });
 
+  it('execute action honors opt-in execution and runner selection', () => {
+    const skill = buildSkill({
+      manifest: {
+        name: 'execute-skill',
+        description: 'Execute me',
+        version: '1.0.0',
+        tier: 'managed',
+        installers: [{ type: 'download', url: 'https://example.com/execute.tgz' }],
+      },
+    });
+
+    const runner = {
+      run: vi.fn((commands: string[]) =>
+        commands.map((command) => ({ command, status: 'succeeded' as const, reason: 'runner_reported_success' })),
+      ),
+    };
+    const logSpy = vi.spyOn(console, 'log').mockImplementation(() => undefined);
+
+    const result = runSkillExecuteAction(skill, {
+      asJson: true,
+      confirmed: true,
+      executionRequested: true,
+      commandRunner: runner,
+    });
+
+    expect(result.ok).toBe(true);
+    expect(result.execution.execution_enabled).toBe(true);
+    expect(result.execution.reason).toBe('execution_enabled');
+    expect(runner.run).toHaveBeenCalledTimes(1);
+    const payload = JSON.parse(String(logSpy.mock.calls[0]?.[0]));
+    expect(payload.execution_enabled).toBe(true);
+    expect(payload.executed).toEqual(['download https://example.com/execute.tgz -> <default destination>']);
+
+    logSpy.mockRestore();
+  });
+
   it('requires --yes confirmation for uninstall helper', () => {
     const root = mkdtempSync(join(tmpdir(), 'flynn-skills-cli-'));
     const installer = new SkillInstaller(join(root, 'managed'));