test(voyage): add 5 minimal command test files for v5.1 (sequencing-gate + low-effort)

plugins/voyage/tests/commands/trekplan.test.mjs

@@ -0,0 +1,32 @@
+// tests/commands/trekplan.test.mjs
+// v5.1 — sequencing-gate surface + low-effort prose check for /trekplan.
+
+import { test } from 'node:test';
+import { strict as assert } from 'node:assert';
+import { readFileSync } from 'node:fs';
+import { dirname, join } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const HERE = dirname(fileURLToPath(import.meta.url));
+const ROOT = join(HERE, '..', '..');
+const COMMAND_FILE = join(ROOT, 'commands', 'trekplan.md');
+
+function read() {
+  return readFileSync(COMMAND_FILE, 'utf8');
+}
+
+test('trekplan — sequencing-gate surface mentions BRIEF_V51_MISSING_SIGNALS + phase_signals', () => {
+  const text = read();
+  assert.ok(text.includes('BRIEF_V51_MISSING_SIGNALS'),
+    '/trekplan must surface the BRIEF_V51_MISSING_SIGNALS sequencing gate');
+  assert.ok(text.includes('phase_signals'),
+    '/trekplan must reference phase_signals (v5.1 composition rule)');
+});
+
+test('trekplan — low-effort path references --quick equivalent', () => {
+  const text = read();
+  const compIdx = text.indexOf('## Composition rule (v5.1)');
+  assert.ok(compIdx >= 0, 'Composition rule (v5.1) section missing');
+  const section = text.slice(compIdx, compIdx + 2000);
+  assert.match(section, /--quick/, 'Low-effort path must mention --quick equivalent');
+});