fix(execute): name and read --profile and --gates in the hint, the usage block and Phase 1

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

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

@@ -628,3 +628,73 @@ test('[#1] sibling: README.md gives the four values, and no strictness table', (
   assert.doesNotMatch(sec, /`adaptive` \(default\)/);
   assert.match(sec, /accept `--gates \[true\|false\|closed\|open\]`/);
 });
+
+// --- #30 ---------------------------------------------------------------------------
+
+const EXEC = 'commands/trekexecute.md';
+const SAME_ON_OPUS = 'the step helper and the controller stay on opus';
+
+/** Phase 1's top-level numbered rules, each as [number, text of its first line]. */
+function phase1Rules() {
+  const sec = section(read(EXEC), '## Phase 1 — Parse mode and validate input').split('\n');
+  const stop = sec.findIndex((l) => l.startsWith('If no path is provided'));
+  assert.ok(stop !== -1, 'Phase 1 must still say what happens when no path is provided');
+  return sec.slice(0, stop)
+    .map((l) => l.match(/^(\d+)\. (.*)$/))
+    .filter(Boolean)
+    .map((m) => [Number(m[1]), m[2]]);
+}
+
+test('[#30] the frontmatter hint names --profile <name> and --gates', () => {
+  const m = read(EXEC).match(/^argument-hint: (.*)$/m);
+  assert.ok(m, 'trekexecute has no argument-hint');
+  assert.ok(m[1].includes('[--profile <name>]'), `the hint does not name --profile <name>: ${m[1]}`);
+  assert.ok(m[1].includes('[--gates [true|false|closed|open]]'), `the hint does not name --gates: ${m[1]}`);
+  assert.equal(m[1],
+    '"[--project <dir>] [--profile <name>] [--gates [true|false|closed|open]] [--fg | --resume | --dry-run | --validate | --step N | --session N] [plan.md]"');
+});
+
+test('[#30] Phase 1 strips --profile <name>, and its last rule reads what is left after the flags are stripped', () => {
+  const f = flat(section(read(EXEC), '## Phase 1 — Parse mode and validate input'));
+  assert.doesNotMatch(f, /the entire argument string is the file path/i,
+    'Phase 1 still reads the whole argument string as the file path');
+  const rules = phase1Rules();
+  assert.deepEqual(rules.map(([n]) => n), rules.map((_, i) => i + 1), 'Phase 1 rules are not numbered 1..n');
+  const [last, profile] = [rules[rules.length - 1][1], rules[rules.length - 2][1]];
+  assert.ok(last.startsWith('Otherwise: the arguments left after every flag above is stripped are the file path.'),
+    `the last rule does not read what is left after the flags: ${last}`);
+  assert.ok(profile.includes('`--profile <name>`: set `profile = {name}`; strip both tokens'),
+    `the rule before the last one is not the --profile strip rule: ${profile}`);
+});
+
+test('[#30] the usage block names --profile and --gates, and its --profile line keeps the helper and the controller on opus', () => {
+  const usage = partAt(EXEC, 'Usage: /trekexecute <plan.md>', (l) => l.startsWith('```'));
+  assert.ok(usage.includes('/trekexecute --profile <name> <plan.md>'), 'the usage block has no --profile line');
+  assert.ok(usage.includes(`--profile Profile for this run's resolver; ${SAME_ON_OPUS}`),
+    'the Modes list has no --profile line, or it does not keep the helper and the controller on opus');
+  assert.ok(usage.includes('--gates Record gates_mode: bare, true or closed = on; false or open = off'),
+    'the Modes list has no --gates line');
+});
+
+test('[#30] sibling: Profile section says the profile changes no model here', () => {
+  const f = flat(section(read(EXEC), '## Profile (v4.1)'));
+  assert.doesNotMatch(f, /drives `phase_models\.execute`/, 'the Profile section still says the profile drives the execute model');
+  assert.ok(f.includes('The selected profile goes to the resolver. It changes no model here: the step helper and the '
+    + 'controller run opus (Composition rule below), and nothing in this command reads `parallel_agents`.'),
+    'the Profile section does not say the profile changes no model here');
+});
+
+test('[#30] sibling: docs/command-modes.md /trekexecute --profile row keeps the helper and the controller on opus', () => {
+  const sec = section(read('docs/command-modes.md'), '## /trekexecute modes');
+  const rows = sec.split('\n').filter((l) => l.startsWith('| `--profile <name>` |'));
+  assert.equal(rows.length, 1, 'expected one --profile row under /trekexecute modes');
+  assert.doesNotMatch(rows[0], /Model profile for the execute phase/);
+  assert.ok(rows[0].includes(`| (v4.1.0) Profile for this run's resolver; ${SAME_ON_OPUS}.`), rows[0]);
+});
+
+test('[#30] sibling: README.md /trekexecute Profile row keeps the helper and the controller on opus', () => {
+  const rows = read('README.md').split('\n').filter((l) => l.startsWith('| **Profile** | `/trekexecute '));
+  assert.equal(rows.length, 1, 'expected one /trekexecute Profile row in README.md');
+  assert.doesNotMatch(rows[0], /Pin model profile for execution/);
+  assert.ok(rows[0].includes(`| (v4.1.0) Profile for this run's resolver; ${SAME_ON_OPUS}.`), rows[0]);
+});