fix(booking): preserve selected doctor when changing calendar date

web/scripts/test-booking-flow.mjs

@@ -128,15 +128,33 @@ try {
   await chooseDoctor(2);
   await reply(pending.at(-1), [free('09:00'), { ...free('14:15'), start: '2070-10-24T14:15:00+03:00' }]);
   assert.deepEqual(times(), ['14:15'], 'Selected date restricts the actual time list too');
+  await click(container.querySelector('.slot-chip--time'));
+  assert.ok(container.querySelector('input[type="tel"]'));
   await act(async () => Simulate.change(container.querySelector('input[type="date"]'), { target: { value: '2070-10-25' } }));
   assert.deepEqual(times(), []);
-  assert.equal(container.querySelector('.doctor-picker__trigger .doctor-picker__name').textContent, 'Выберите врача', 'Changing date clears the selected doctor and window');
+  assert.equal(container.querySelector('input[type="tel"]'), null, 'Changing date clears the chosen time and contacts step');
-  assert.deepEqual(await availableDoctorIDs(), []);
+  assert.match(container.querySelector('.doctor-picker__trigger .doctor-picker__name').textContent, /Второй врач/, 'Changing date preserves the doctor even when no windows are available');
-  assert.match(text(), /На эту дату свободных окон нет/);
+  assert.deepEqual(await availableDoctorIDs(), ['2']);
-  assert.equal(container.querySelector('.lead-modal__availability--warning'), null, 'An empty selected date keeps its informational style');
+  assert.match(text(), /У выбранного врача на эту дату свободных окон нет/);
+  assert.ok(container.querySelector('.lead-modal__availability--warning'));
+  await act(async () => Simulate.change(container.querySelector('input[type="date"]'), { target: { value: '2070-10-23' } }));
+  assert.match(container.querySelector('.doctor-picker__trigger .doctor-picker__name').textContent, /Второй врач/);
+  assert.equal(pending.at(-1).slug, 'second');
+  await reply(pending.at(-1), [free('11:45')]);
+  assert.deepEqual(times(), ['11:45'], 'Available date opens the preserved doctor schedule without a second selection');
   await act(async () => Simulate.change(container.querySelector('input[type="date"]'), { target: { value: '' } }));
+  await reply(pending.at(-1), [free('12:45')]);
+  assert.deepEqual(times(), ['12:45'], 'Clearing date keeps the doctor and restores all their dates');
   assert.deepEqual(await availableDoctorIDs(), ['1','2','3'], 'Clearing date restores the doctor-first flow');
 
+  await act(async () => root.render(null));
+  await render({ doctor: doctors[0] });
+  await reply(pending.at(-1), [free('10:30')]);
+  await act(async () => Simulate.input(container.querySelector('input[type="date"]'), { target: { value: '2070-10-23' } }));
+  await reply(pending.at(-1), [free('13:30')]);
+  assert.match(container.querySelector('.doctor-picker__trigger .doctor-picker__name').textContent, /Первый врач/);
+  assert.deepEqual(times(), ['13:30'], 'Doctor preselected from a card also survives calendar selection');
+
   const originalDoctorLoader = api.doctors;
   for (const fail of [false, true]) {
     await act(async () => root.render(null));

web/src/components/LeadModal.jsx

@@ -63,9 +63,7 @@ export default function LeadModal({ form = 'appointment', doctor, slot, service,
   const [status, setStatus] = useState({ state: 'idle', message: '' });
   const chosenDoctor = doctors.find((d) => String(d.id) === values.doctorId)
     || (doctor && String(doctor.id) === values.doctorId ? doctor : null);
-  const selectedDoctor = form === 'appointment' && date
+  const selectedDoctor = chosenDoctor;
-    && (availability.loading || !availability.days.find((day) => day.date === date)?.doctor_ids.includes(chosenDoctor?.id))
-    ? null : chosenDoctor;
   const native = form === 'appointment' && selectedDoctor?.booking?.provider === 'native'
     && unavailableDoctorId !== selectedDoctor.id;
   const onNativeUnavailable = useCallback(
@@ -90,7 +88,6 @@ export default function LeadModal({ form = 'appointment', doctor, slot, service,
     setDate(e.target.value);
     setRequestedSlot(undefined);
     setUnavailableDoctorId(null);
-    setValues((previous) => ({ ...previous, doctorId: '' }));
     setStatus({ state: 'idle', message: '' });
   };
 
@@ -180,6 +177,14 @@ export default function LeadModal({ form = 'appointment', doctor, slot, service,
     : doctorsLoaded && doctorOptions.length === 0
     ? 'Список врачей сейчас недоступен. Позвоните в клинику, чтобы уточнить запись.'
     : date ? 'Выберите врача из списка — покажем его свободные часы на выбранную дату.' : '';
+  // Дата фильтрует окна, но не отменяет сделанный посетителем выбор врача.
+  const selectedDateMessage = selectedDoctor && date
+    ? availability.loading ? 'Проверяем свободные окна выбранного врача…'
+      : availability.error ? 'Не удалось проверить расписание. Попробуйте выбрать дату ещё раз.'
+      : !availability.days.find((day) => day.date === date)?.doctor_ids.includes(selectedDoctor.id)
+        ? 'У выбранного врача на эту дату свободных окон нет. Выберите другую дату или другого специалиста.' : ''
+    : '';
+  const appointmentMessage = selectedDoctor ? selectedDateMessage : availabilityMessage;
 
   const submit = async (e) => {
     e.preventDefault();
@@ -271,13 +276,13 @@ export default function LeadModal({ form = 'appointment', doctor, slot, service,
               onInput={changeDate}
               onChange={changeDate}
             />
-            <span className="lead-modal__subtitle">Можно выбрать дату и увидеть только свободных в этот день врачей.</span>
+            <span className="lead-modal__subtitle">{selectedDoctor ? 'Выберите дату — покажем свободные окна выбранного врача.' : 'Можно выбрать дату и увидеть только свободных в этот день врачей.'}</span>
           </label>
         )}
 
         {form === 'appointment' && status.state !== 'done' && (
           <DoctorPicker
-            doctors={doctor && !date && !doctorOptions.some((d) => d.id === doctor.id) ? [doctor, ...doctorOptions] : doctorOptions}
+            doctors={selectedDoctor && !doctorOptions.some((d) => d.id === selectedDoctor.id) ? [selectedDoctor, ...doctorOptions] : doctorOptions}
             value={values.doctorId}
             onChange={set('doctorId')}
             date={date}
@@ -286,10 +291,10 @@ export default function LeadModal({ form = 'appointment', doctor, slot, service,
           />
         )}
 
-        {form === 'appointment' && !selectedDoctor ? (
+        {form === 'appointment' && (!selectedDoctor || selectedDateMessage) ? (
-          availabilityMessage ? (
+          appointmentMessage ? (
-            <p className={`lead-modal__availability${doctorsLoaded && !date && doctorOptions.length === 0 ? ' lead-modal__availability--warning' : ''}`} role="status">
+            <p className={`lead-modal__availability${(selectedDoctor && date && !availability.loading) || (doctorsLoaded && !date && doctorOptions.length === 0) ? ' lead-modal__availability--warning' : ''}`} role="status">
-              {availabilityMessage}
+              {appointmentMessage}
             </p>
           ) : null
         ) : native ? (