Medication reminder and pdr worker

frontend/src/App.tsx

@@ -75,6 +75,7 @@ type Medication = {
   startDate: string;
   endDate: string | null;
   notes: string | null;
+  remindersEnabled: boolean;
 };
 
 type MedicationFrequency = 'once_daily' | 'twice_daily' | 'every_8_hours' | 'every_6_hours' | 'as_needed';
@@ -1644,6 +1645,7 @@ function App() {
     startDate: new Date().toISOString().slice(0, 10),
     endDate: '',
     notes: '',
+    remindersEnabled: false,
   });
   const [flockTransferForm, setFlockTransferForm] = useState({
     birdId: '',
@@ -3927,6 +3929,7 @@ function App() {
         startDate: new Date().toISOString().slice(0, 10),
         endDate: '',
         notes: '',
+        remindersEnabled: false,
       });
       setEditingMedicationId('');
     } catch (submitError) {
@@ -3946,6 +3949,7 @@ function App() {
       startDate: medication.startDate,
       endDate: medication.endDate ?? '',
       notes: medication.notes ?? '',
+      remindersEnabled: medication.remindersEnabled,
     });
     setError('');
   };
@@ -3961,6 +3965,7 @@ function App() {
       startDate: new Date().toISOString().slice(0, 10),
       endDate: '',
       notes: '',
+      remindersEnabled: false,
     });
   };
 
@@ -5262,6 +5267,7 @@ function App() {
         <small>
           {formatDate(medication.startDate)} to {formatDate(medication.endDate)}
         </small>
+        <small>{medication.remindersEnabled ? 'Medication reminders enabled' : 'Medication reminders off'}</small>
         <small>{medication.notes || 'No notes recorded.'}</small>
         {latestAdministration ? (
           <small>
@@ -6499,6 +6505,17 @@ function App() {
                               ))}
                             </div>
                           </label>
+                          <label className="checkbox-row wide-field">
+                            <input
+                              type="checkbox"
+                              checked={medicationForm.remindersEnabled}
+                              onChange={(event) => setMedicationForm({ ...medicationForm, remindersEnabled: event.target.checked })}
+                            />
+                            <span>
+                              <strong>Send medication reminders</strong>
+                              <small>Uses the medication frequency, dose times, and start/end dates.</small>
+                            </span>
+                          </label>
                           <label className="wide-field">
                             Notes
                             <textarea
@@ -8490,6 +8507,17 @@ function App() {
                             ))}
                           </div>
                         </label>
+                        <label className="checkbox-row wide-field">
+                          <input
+                            type="checkbox"
+                            checked={medicationForm.remindersEnabled}
+                            onChange={(event) => setMedicationForm({ ...medicationForm, remindersEnabled: event.target.checked })}
+                          />
+                          <span>
+                            <strong>Send medication reminders</strong>
+                            <small>Uses the medication frequency, dose times, and start/end dates.</small>
+                          </span>
+                        </label>
                         <label className="wide-field">
                           Notes
                           <textarea