修复一个偶发的问题

tools/hotel-create-empty-slot.test.mjs

@@ -15,10 +15,11 @@ const adapter = readFileSync(new URL('../chrome-extension/ltjt-order-assistant/l
     teamSummaryRequery = async (operation, subpage) => subpage;
     assistant.preflightLifecycleOperation = preflightLifecycleOperation;`);
 
-function fixture({ occupied = 1, rows = occupied + 2, onSelection = () => {}, onValidate = () => {}, sort = false, onPost = () => {} } = {}) {
+function fixture({ occupied = 1, rows = occupied + 2, onSelection = () => {}, onValidate = () => {}, sort = false, onPost = () => {}, linkageDelays = [], onLinkageTick = () => {} } = {}) {
   let now = 10000;
   let posts = 0;
   let selections = 0;
+  let linkageTicks = 0;
   let savedForm;
   const form = { elements: [], id: 'InfoForm1', isConnected: true };
   const fields = new Map();
@@ -69,7 +70,11 @@ function fixture({ occupied = 1, rows = occupied + 2, onSelection = () => {}, on
     return savedForm.elements.find((control) => control.name === name) || null;
   } }, text: 'LW-TEST-HOTEL', response: { ok: true, status: 200 } });
   const sandbox = { window, document, location, Event: window.Event, URL, URLSearchParams, TextEncoder,
-    Date: class extends Date { static now() { return now; } }, setTimeout(callback, ms) { now += ms; callback(); } };
+    Date: class extends Date { static now() { return now; } }, setTimeout(callback, ms) {
+      now += selections ? linkageDelays[linkageTicks] ?? ms : ms;
+      if (selections) onLinkageTick(fields, ++linkageTicks);
+      callback();
+    } };
   window.setTimeout = sandbox.setTimeout;
   vm.runInNewContext(inpage, sandbox);
   vm.runInNewContext(adapter, sandbox);
@@ -101,6 +106,35 @@ test('hotel create binds the first empty row through preflight, native linkage,
   }
 });
 
+test('6/12-room hotel create recovers after delayed sampling, with only one native selection and POST', async () => {
+  for (const roomCount of [6, 12]) for (const linkageDelays of [[], [6000]]) {
+    const f = fixture({ linkageDelays });
+    f.operation.data.arrangement.room_count = roomCount;
+    const result = await f.api.liveSubmitLifecycleOperation(f.operation);
+    assert.equal(result.status, 'lifecycle_completed', JSON.stringify(result));
+    assert.equal(f.fields.get('jianshu1').value, String(roomCount));
+    assert.equal(f.posts(), 1); assert.equal(f.selections(), 1);
+    assert.equal(result.preflight.arrangement_linkage.elapsed_ms, linkageDelays.length ? 7500 : 1500);
+    assert.equal(result.preflight.arrangement_linkage.ready, true);
+  }
+});
+
+test('unstable or persistently delayed hotel linkage records diagnostics and never saves', async () => {
+  const changing = fixture({ onLinkageTick(fields, tick) { fields.get('jine1').value = String(tick); } });
+  const paused = fixture({ linkageDelays: Array(6).fill(6000) });
+  for (const [f, reason] of [[changing, 'fields_changing'], [paused, 'sampling_delayed']]) {
+    const result = await f.api.liveSubmitLifecycleOperation(f.operation);
+    assert.equal(result.status, 'lifecycle_apply_blocked', JSON.stringify(result));
+    assert.equal(result.write_attempted, false); assert.equal(result.no_erp_write, true);
+    assert.equal(f.posts(), 0); assert.equal(f.selections(), 1);
+    assert.equal(f.fields.get('zt1').value, '', 'do not continue filling after failed observation');
+    assert.equal(result.preflight.arrangement_linkage.reason, reason);
+    assert.ok(result.blockers.includes('arrangement_create_linked_fields_not_stable'));
+    assert.ok(result.blockers.some(value => value.startsWith(`arrangement_linkage_wait:${reason}:`)));
+    assert.equal(JSON.stringify(result.preflight.arrangement_linkage).includes('测试新酒店'), false);
+  }
+});
+
 test('hotel create matches the new record after ERP sorts rows and uses persisted evidence on read-only reconciliation', async () => {
   const f = fixture({ sort: true });
   const result = await f.api.liveSubmitLifecycleOperation(f.operation);