test: write stable launch persona evidence

scripts/launch-persona-smoke-test.js

@@ -0,0 +1,48 @@
+import assert from 'node:assert/strict';
+import path from 'node:path';
+import { parseCliArgs } from './launch-persona-smoke.js';
+
+const repoRoot = process.cwd();
+
+const writeOnly = parseCliArgs(['--write', 'docs/refactor/launch-artifacts/launch-persona-smoke.json']);
+assert.equal(
+  writeOnly.writePath,
+  path.resolve(repoRoot, 'docs/refactor/launch-artifacts/launch-persona-smoke.json'),
+  '--write should resolve stable JSON evidence paths from the repo root',
+);
+assert.equal(writeOnly.writeMdPath, '', '--write should not imply a stable Markdown report path');
+
+const equalsForm = parseCliArgs([
+  '--output-dir=docs/refactor/launch-artifacts',
+  '--write=docs/refactor/launch-artifacts/launch-persona-smoke.json',
+  '--write-md=docs/refactor/launch-artifacts/launch-persona-smoke.md',
+  '--json',
+]);
+assert.equal(
+  equalsForm.outputDir,
+  path.resolve(repoRoot, 'docs/refactor/launch-artifacts'),
+  '--output-dir should resolve stable report directories',
+);
+assert.equal(
+  equalsForm.writePath,
+  path.resolve(repoRoot, 'docs/refactor/launch-artifacts/launch-persona-smoke.json'),
+  '--write= should resolve stable JSON evidence paths',
+);
+assert.equal(
+  equalsForm.writeMdPath,
+  path.resolve(repoRoot, 'docs/refactor/launch-artifacts/launch-persona-smoke.md'),
+  '--write-md= should resolve stable Markdown evidence paths',
+);
+
+assert.throws(
+  () => parseCliArgs(['--write']),
+  /requires a file path value/,
+  '--write without a value should fail fast',
+);
+assert.throws(
+  () => parseCliArgs(['--unknown']),
+  /Unknown launch persona smoke option/,
+  'unknown options should fail fast instead of silently dropping evidence paths',
+);
+
+console.log('[PASS] launch persona smoke cli options');