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

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

@@ -0,0 +1,42 @@
+// tests/commands/trekbrief.test.mjs
+// v5.1 — Pattern D prose-pattern regression tests for /trekbrief Phase 3.5.
+//
+// Brief SC1 + SC2: end-of-brief effort dialog covering 4 downstream phases,
+// with `phase_signals_partial` as the force-stop record.
+
+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', 'trekbrief.md');
+
+function read() {
+  return readFileSync(COMMAND_FILE, 'utf8');
+}
+
+test('trekbrief — Phase 3.5 heading is present', () => {
+  const text = read();
+  assert.match(text, /^## Phase 3\.5 — Per-phase effort dialog$/m,
+    'Phase 3.5 heading missing from commands/trekbrief.md');
+});
+
+test('trekbrief — Phase 3.5 references all 4 downstream phases', () => {
+  const text = read();
+  const startIdx = text.indexOf('## Phase 3.5');
+  assert.ok(startIdx >= 0, 'Phase 3.5 not found');
+  const section = text.slice(startIdx, text.indexOf('## Phase 4', startIdx));
+  for (const phase of ['research', 'plan', 'execute', 'review']) {
+    assert.ok(section.includes(phase),
+      `Phase 3.5 missing reference to "${phase}"`);
+  }
+});
+
+test('trekbrief — Phase 3.5 documents phase_signals_partial force-stop', () => {
+  const text = read();
+  assert.ok(text.includes('phase_signals_partial'),
+    'phase_signals_partial not mentioned in /trekbrief command prose');
+});