fix(brief): a brief with no research topics prints its next steps instead of entering the auto-only phase

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/lib/fix-round-4-5a-prose.test.mjs

@@ -494,3 +494,32 @@ for (const rel of ['README.md', 'docs/operations.md']) {
     assert.doesNotMatch(p, /stats/i, `${rel}: the profile paragraph still names stats`);
   });
 }
+
+// --- #47 ---------------------------------------------------------------------------
+// /trekbrief Phase 5 said "Skip this phase if research_topics = 0. Proceed
+// directly to Phase 6.", so a brief with no research topics walked into the
+// auto-only research dispatch nobody opted into. It now prints the manual
+// next steps without the /trekresearch lines, runs Phase 7 and stops.
+
+test('[#47] Phase 5: a brief with no research topics prints /trekplan --project and stops, never proceeds to Phase 6', () => {
+  const text = read('commands/trekbrief.md');
+  const p5 = flat(section(text, '## Phase 5 — Auto-orchestration opt-in (if research_topics > 0)'));
+  assert.doesNotMatch(p5, /Skip this phase if research_topics = 0/, 'Phase 5 still skips straight on with zero topics');
+  const opening = partAt('commands/trekbrief.md', '## Phase 5 — Auto-orchestration opt-in', (l) => l.startsWith('Ask the user'));
+  assert.doesNotMatch(opening, /proceed directly to Phase 6/i, 'a zero-topic brief still proceeds directly to Phase 6');
+  assert.match(opening, /\*\*With research_topics = 0\*\*, print the manual-path output below without the `\/trekresearch` lines \(Brief, then `\/trekplan --project \{PROJECT_DIR\}`, then `\/trekexecute --project \{PROJECT_DIR\}`\), then run Phase 7 and stop\./);
+  assert.match(opening, /Phase 6 is never entered without the operator's opt-in\./);
+  const manual = flat(section(text, '### Manual path (default)'));
+  assert.match(manual, /Then: \/trekplan --project \{PROJECT_DIR\} Then: \/trekexecute --project \{PROJECT_DIR\}/);
+  assert.match(manual, /Stop\. Do not continue to Phase 6\./);
+});
+
+test('[#47] Phase 6 runs only after the operator opted into auto mode and Phase 4h approved the intent', () => {
+  const p6 = flat(section(read('commands/trekbrief.md'), '## Phase 6 — Auto research dispatch (auto path only)'));
+  assert.match(p6, /^## Phase 6 — Auto research dispatch \(auto path only\) \*\*Runs only when user opted into auto mode,? and only after Phase 4h approved the intent\.\*\*/);
+});
+
+test('keep: /trekbrief\'s auto path still requires an approved intent', () => {
+  assert.equal(partAt('commands/trekbrief.md', '**Auto requires an approved intent.**', toBlank),
+    '**Auto requires an approved intent.** If Phase 4h ended "Leave unapproved", the auto chain would halt at `/trekplan` anyway — print the manual-path output instead and stop.');
+});