trimmed weight edit

backend/src/app.ts

@@ -306,6 +306,15 @@ const weightSchema = z.object({
   recordedOn: dateStringSchema,
   notes: z.string().trim().max(280).optional().or(z.literal('')),
 });
+const weightEditWindowDays = 3;
+
+const getWeightEditEarliestDate = () => {
+  const earliestDate = new Date();
+  earliestDate.setDate(earliestDate.getDate() - (weightEditWindowDays - 1));
+  return earliestDate.toISOString().slice(0, 10);
+};
+
+const isWeightDateEditable = (recordedOn: string) => recordedOn >= getWeightEditEarliestDate();
 
 const vetVisitSchema = z.object({
   visitedOn: dateStringSchema,
@@ -4094,6 +4103,11 @@ app.put(
         return;
       }
 
+      if (!isWeightDateEditable(parsed.data.recordedOn)) {
+        res.status(409).json({ error: 'Weight entries can only be edited for the last 3 days.' });
+        return;
+      }
+
       const weight = await updateWeightForBird(
         req.params.weightId,
         req.params.birdId,
@@ -4103,7 +4117,7 @@ app.put(
       );
 
       if (!weight) {
-        res.status(404).json({ error: 'Weight entry not found.' });
+        res.status(404).json({ error: 'Weight entry not found or no longer editable.' });
         return;
       }
 

backend/src/repositories/birdRepository.ts

@@ -925,6 +925,7 @@ export const updateWeightForBird = async (
          notes = $5
      WHERE id = $1
        AND bird_id = $2
+       AND recorded_on >= CURRENT_DATE - (2 * INTERVAL '1 day')
      RETURNING id, bird_id, weight_grams, recorded_on::text, notes`,
     [weightId, birdId, weightGrams, recordedOn, notes],
   );

frontend/src/App.tsx

@@ -876,6 +876,13 @@ const formatAuditAction = (value: string) =>
 const formatWeight = (value: number | null) => (value ? `${value.toFixed(1)} g` : 'Pending');
 const formatRange = (minGrams: number, maxGrams: number) => `${minGrams.toFixed(0)}-${maxGrams.toFixed(0)} g`;
 const parseDateValue = (value: string) => new Date(`${value}T00:00:00`);
+const WEIGHT_EDIT_WINDOW_DAYS = 3;
+const getWeightEditEarliestDate = () => {
+  const earliestDate = new Date();
+  earliestDate.setDate(earliestDate.getDate() - (WEIGHT_EDIT_WINDOW_DAYS - 1));
+  return earliestDate.toISOString().slice(0, 10);
+};
+const isWeightEditable = (weight: WeightRecord) => weight.recordedOn >= getWeightEditEarliestDate();
 const daysBetweenDates = (startDate: string, endDate: string) =>
   Math.abs(parseDateValue(endDate).getTime() - parseDateValue(startDate).getTime()) / (24 * 60 * 60 * 1000);
 const addYearsToDate = (date: Date, years: number) => {
@@ -3411,6 +3418,11 @@ function App() {
   };
 
   const handleEditWeight = (weight: WeightRecord) => {
+    if (!isWeightEditable(weight)) {
+      setError('Weight entries can only be edited for the last 3 days.');
+      return;
+    }
+
     setEditingWeightId(weight.id);
     setWeightForm({
       weightGrams: String(weight.weightGrams),
@@ -6552,6 +6564,7 @@ function App() {
                         <input
 	                          type="date"
 	                          value={weightForm.recordedOn}
+	                          min={editingWeightId ? getWeightEditEarliestDate() : undefined}
 	                          onChange={(event) => setWeightForm({ ...weightForm, recordedOn: event.target.value })}
 	                          required
 	                        />
@@ -6579,18 +6592,26 @@ function App() {
 		                    <div className="recent-list">
 			                      {[...weights]
 			                        .sort((left, right) => right.recordedOn.localeCompare(left.recordedOn))
-		                        .map((weight) => (
+			                        .map((weight) => {
+			                          const weightCanBeEdited = isWeightEditable(weight);
+
+			                          return (
 			                            <article className="vet-visit-card" key={weight.id}>
 			                              <strong>{formatWeight(weight.weightGrams)}</strong>
 			                              <span>{formatDate(weight.recordedOn)}</span>
 			                              <small>{weight.notes || 'No notes recorded.'}</small>
+			                              {weightCanBeEdited ? (
 			                                <div className="button-row">
 			                                  <button className="secondary-button" onClick={() => handleEditWeight(weight)} type="button">
 			                                    Edit
 			                                  </button>
 			                                </div>
+			                              ) : (
+			                                <small>Editing available for the last 3 days only.</small>
+			                              )}
 			                            </article>
-		                        ))}
+			                          );
+			                        })}
 		                      {!weights.length ? <p className="muted">No weight entries recorded yet.</p> : null}
 		                    </div>
 		                  </section>