ci(pm): re-point two dispatch-gates cases off the patrol's retired schedule

Removing the half-state patrol's schedule makes two cases of the
dispatch-gates self-test false: both read the live `.github/workflows` tree
and assert that the specimen workflow declares `schedule`. The gate runs on
this diff's class (the selector's workflow arm falls through to run), and it
is a required context, so the pin is repaired in the same change that makes
it false — measured red first: 2 of 1883 cases, and no others.

Each case keeps the fact it was always about: one pins that the specimen is
not "a workflow no PR runs" (the PR-time trigger), the other that the live
sweep is withheld by the value-bearing class. Nothing is added — pinning the
absence of a schedule would be a new ratchet, which the same ruling forbids
this file without the maintainer's word.

Claude-Session: https://claude.ai/code/session_012GcsUbuqFGBibkEDMRC1eE
Co-authored-by: Claude <noreply@anthropic.com>

Author: claude

scripts/pm/dispatch-gates.mjs

@@ -20654,9 +20654,15 @@ function selfTest() {
   for (const f of readdirSync(wfDirLive).filter((x) => /\.ya?ml$/.test(x))) {
     eventsOfWorkflow.set(f, declaredTriggerEvents(readFileSync(nodePath.join(wfDirLive, f), 'utf8')));
   }
+  // ⚠️ The specimen lost its SCHEDULE on 2026-09-21 (ruling #208 on #19491,
+  // executed by #19497: the patrol is `workflow_dispatch`-only now, and no line
+  // of the sweeper was edited for it). Both cases below are re-pointed at the
+  // fact each was always about — the PR-time trigger, and the withholding class
+  // — and ⛔ nothing is added: pinning the absence of the schedule would be a
+  // new ratchet, which this file may not grow without the maintainer's word.
   t(
-    '⭐ the card\'s own specimen declares a pull_request trigger beside its schedule — half-state-patrol.yml is not a workflow no PR runs',
-    ['schedule', 'workflow_dispatch', 'pull_request'].every((e) => (eventsOfWorkflow.get('half-state-patrol.yml') ?? []).includes(e)),
+    '⭐ the card\'s own specimen declares a pull_request trigger beside its workflow_dispatch — half-state-patrol.yml is not a workflow no PR runs',
+    ['workflow_dispatch', 'pull_request'].every((e) => (eventsOfWorkflow.get('half-state-patrol.yml') ?? []).includes(e)),
   );
   t(
     'and a genuinely scheduled-only workflow reads as one, so the predicate is not answering `pull_request` to everything (stale.yml)',
@@ -20709,10 +20715,9 @@ function selfTest() {
   // 3m09s it measured is gone without any scheduled-only rule existing.
   const sweepEntry = triggerFamilies.find((e) => e.check.startsWith('scripts/pm/check-half-states.mjs'));
   t(
-    'the card\'s specimen is still discovered, still reached only through its patrol, and still classified VALUE-BEARING — not withheld for being scheduled',
+    'the card\'s specimen is still discovered, still reached only through its patrol, and still classified VALUE-BEARING — withheld by that class and by nothing else',
     Boolean(sweepEntry)
       && [...sweepEntry.workflows].join('|') === 'half-state-patrol.yml'
-      && isScheduled('half-state-patrol.yml')
       && reachesPRTime(sweepEntry.workflows)
       && Boolean(sweepEntry.notRunnable)
       && !sweepEntry.ciOnly,