trimmed weight edit

backend/src/app.ts

@@ -318,6 +318,15 @@ 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,
@@ -4176,6 +4185,11 @@ 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,
@@ -4185,7 +4199,7 @@ 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

@@ -909,6 +909,7 @@ 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],
   );