fix doc weight to show real doc instead of forcing 35-51 range and also fixed bug target weight using total days as reference for target weight instead of doc weight

components/weight/DailyWeightGainChart.tsx

@@ -17,7 +17,7 @@ import { formatWeight, getTargetGainForAge } from '../../utils/weight.ts';
 
 interface DailyWeightGainChartProps {
   rows: ChickenWeight[];
-  totalDays: number;
+  docWeight: number;
 }
 
 type GainStatus = 'above' | 'near' | 'below' | 'none';
@@ -30,11 +30,11 @@ type ChartPoint = {
   status: GainStatus;
 };
 
-const DailyWeightGainChart: React.FC<DailyWeightGainChartProps> = ({ rows, totalDays }) => {
+const DailyWeightGainChart: React.FC<DailyWeightGainChartProps> = ({ rows, docWeight }) => {
   const chartData = useMemo<ChartPoint[]>(
     () =>
       [...rows].reverse().map((row) => {
-        const targetGain = getTargetGainForAge(row.age, totalDays);
+        const targetGain = getTargetGainForAge(row.age, docWeight);
         const gain = row.average_daily_gain;
         let status: GainStatus = 'none';
         if (gain != null && targetGain != null) {
@@ -45,7 +45,7 @@ const DailyWeightGainChart: React.FC<DailyWeightGainChartProps> = ({ rows, total
         }
         return { day: row.age, date: row.date, gain, targetGain, status };
       }),
-    [rows, totalDays]
+    [rows, docWeight]
   );
 
   const hasNoData = chartData.length === 0;