feat(skills): map runner outcomes into step receipts

src/cli/skills.test.ts

@@ -20,6 +20,7 @@ import {
   toSkillInstallerExecutionStubFromPreflight,
   evaluateInstallerExecutionPolicy,
   toInstallerExecutionStepEnvelopes,
+  mergeInstallerExecutionResults,
   runInstallerCommandsWithPolicy,
   noOpSkillInstallerCommandRunner,
   runSkillInstallAction,
@@ -347,7 +348,7 @@ describe('skills CLI helpers', () => {
 
   it('does not invoke command runner when policy disables execution', () => {
     const runner = {
-      run: vi.fn((_commands: string[]) => ['should-not-run']),
+      run: vi.fn((_commands: string[]) => [{ command: 'should-not-run', status: 'succeeded' as const }]),
     };
 
     const executed = runInstallerCommandsWithPolicy(
@@ -362,7 +363,7 @@ describe('skills CLI helpers', () => {
 
   it('supports pluggable command runner when policy enables execution', () => {
     const runner = {
-      run: vi.fn((commands: string[]) => commands),
+      run: vi.fn((commands: string[]) => commands.map((command) => ({ command, status: 'succeeded' as const }))),
     };
 
     const executed = runInstallerCommandsWithPolicy(
@@ -371,10 +372,58 @@ describe('skills CLI helpers', () => {
       runner,
     );
 
-    expect(executed).toEqual(['brew install jq']);
+    expect(executed).toEqual([{ command: 'brew install jq', status: 'succeeded' }]);
     expect(runner.run).toHaveBeenCalledWith(['brew install jq']);
   });
 
+  it('maps runner command results into structured per-step statuses', () => {
+    const attempted = [
+      { installer_type: 'brew', command: 'brew install jq' },
+      { installer_type: 'node', command: 'pnpm add -g zx' },
+    ];
+
+    const results = mergeInstallerExecutionResults(
+      attempted,
+      { confirmed: true, execution_enabled: true, reason: 'execution_disabled' },
+      [
+        { command: 'brew install jq', status: 'succeeded', reason: 'ok' },
+        { command: 'pnpm add -g zx', status: 'failed', reason: 'exit_code_1' },
+      ],
+    );
+
+    expect(results).toEqual([
+      {
+        installer_type: 'brew',
+        command: 'brew install jq',
+        status: 'succeeded',
+        reason: 'ok',
+      },
+      {
+        installer_type: 'node',
+        command: 'pnpm add -g zx',
+        status: 'failed',
+        reason: 'exit_code_1',
+      },
+    ]);
+  });
+
+  it('marks attempted steps failed when runner does not report a result', () => {
+    const results = mergeInstallerExecutionResults(
+      [{ installer_type: 'brew', command: 'brew install jq' }],
+      { confirmed: true, execution_enabled: true, reason: 'execution_disabled' },
+      [],
+    );
+
+    expect(results).toEqual([
+      {
+        installer_type: 'brew',
+        command: 'brew install jq',
+        status: 'failed',
+        reason: 'runner_no_result',
+      },
+    ]);
+  });
+
   it('summarizes refresh counts across status and tiers', () => {
     const summary = summarizeSkillsRefresh([
       buildSkill({ manifest: { name: 'a', description: 'a', version: '1.0.0', tier: 'bundled' } }),