feat(trekresearch): emit and export the five STORM measurement fields

tests/lib/profile-stats-fields.test.mjs

@@ -94,6 +94,81 @@ test('SC #11(b): commands/trekplan.md prose mentions phase_models + parallel_age
     'trekplan.md prose must mention parallel_agents (additive stats field)');
 });
 
+// --- Step 9: the five STORM measurement fields -----------------------------
+// Four numerics + one low-cardinality label. Without `effort` there is no axis
+// to group high-vs-standard runs on, and the measurement gate cannot be
+// computed at all.
+
+const STORM_FIELDS = [
+  'effort',
+  'unique_sources',
+  'dimensions_baseline',
+  'conv_turns',
+  'empty_turns',
+];
+
+test('Step 9: a standard-run trekresearch record parses and survives applyFieldAllowlist', async () => {
+  const { applyFieldAllowlist } = await import('../../lib/exporters/field-allowlist.mjs');
+  // A standard run: loop never armed, so no discovered dimensions and no turns.
+  const raw = JSON.parse(JSON.stringify({
+    _schema_id: 'trekresearch',
+    ts: '2026-08-09T12:00:00.000Z',
+    slug: 'add-auth',
+    mode: 'default',
+    scope: 'both',
+    engine: 'swarm',
+    question: 'free prose that must never reach the exporter',
+    project_dir: '/Users/somebody/repos/x',
+    brief_path: '/Users/somebody/repos/x/brief.md',
+    dimensions: 4,
+    dimensions_baseline: 4,
+    conv_turns: 0,
+    empty_turns: 0,
+    unique_sources: 11,
+    effort: 'standard',
+    agents_local: 5,
+    agents_external: 4,
+    gemini_used: false,
+    confidence: 0.8,
+    contradictions: 1,
+    open_questions: 2,
+    profile: 'premium',
+    profile_source: 'default',
+  }));
+
+  assert.equal(raw.dimensions_baseline, raw.dimensions,
+    'a standard run discovers no dimensions — baseline must equal the final count');
+
+  const out = applyFieldAllowlist(raw, 'trekresearch');
+  for (const field of STORM_FIELDS) {
+    assert.ok(field in out, `${field} must survive the trekresearch allowlist`);
+  }
+  assert.equal(out.conv_turns, 0);
+  assert.equal(out.empty_turns, 0);
+  assert.equal(out.effort, 'standard');
+  // Deny-by-omission must still hold for the PII-ish fields.
+  for (const denied of ['question', 'project_dir', 'brief_path']) {
+    assert.equal(denied in out, false, `${denied} must NOT reach the exporter`);
+  }
+});
+
+test('Step 9: commands/trekresearch.md prose names all five measurement fields', () => {
+  const content = readFileSync(join(REPO_ROOT, 'commands', 'trekresearch.md'), 'utf-8');
+  for (const field of STORM_FIELDS) {
+    assert.ok(content.includes(field),
+      `trekresearch.md prose must name ${field} — an emitted-but-undocumented field is unauditable`);
+  }
+});
+
+test('Step 9: tests/fixtures/jsonl-schemas.md trekresearch row lists the five fields', () => {
+  const doc = readFileSync(join(REPO_ROOT, 'tests', 'fixtures', 'jsonl-schemas.md'), 'utf-8');
+  const row = doc.split('\n').find(l => l.startsWith('| trekresearch-stats '));
+  assert.ok(row, 'jsonl-schemas.md is missing the trekresearch-stats row');
+  for (const field of STORM_FIELDS) {
+    assert.ok(row.includes(field), `authoring reference must list ${field}`);
+  }
+});
+
 test('SC #11(b): commands/trekresearch.md prose mentions external_research_enabled', () => {
   const content = readFileSync(join(REPO_ROOT, 'commands', 'trekresearch.md'), 'utf-8');
   assert.match(content, /external_research_enabled/,