feat(analysis): show raw values ( → ) below each variation

apps/frontend/src/features/analysis/components/MonthlyVariationTable.tsx

@@ -4,12 +4,18 @@ import { useInflation, useMonthlyLast } from "@/lib/queries";
 
 type MonthKey = string;
 
+type CurrencyValues = {
+  variation: number | null;
+  prev: number | null;
+  current: number | null;
+};
+
 type MonthRow = {
   month: MonthKey;
   label: string;
-  BELO: number | null;
-  BLUE: number | null;
-  BNA: number | null;
+  BELO: CurrencyValues;
+  BLUE: CurrencyValues;
+  BNA: CurrencyValues;
   inflation: number | null;
 };
 
@@ -38,12 +44,25 @@ function formatPct(value: number): string {
   return `${sign}${value.toFixed(1)}%`;
 }
 
+const priceFormatter = new Intl.NumberFormat("es-AR", {
+  minimumFractionDigits: 0,
+  maximumFractionDigits: 0,
+});
+
+function formatPrice(value: number): string {
+  return `$${priceFormatter.format(value)}`;
+}
+
 function VariationIndicator({
   variation,
   inflation,
+  prev,
+  current,
 }: {
   variation: number | null;
   inflation: number | null;
+  prev: number | null;
+  current: number | null;
 }) {
   if (variation === null) {
     return (
@@ -54,32 +73,19 @@ function VariationIndicator({
     );
   }
 
-  if (inflation === null) {
-    const isPositive = variation >= 0;
-    return (
-      <span
-        className={`text-xs font-medium inline-flex items-center gap-1 tabular-nums ${isPositive ? "text-emerald-500" : "text-red-500"}`}
-      >
-        {isPositive ? (
-          <ArrowUp className="size-3" />
-        ) : (
-          <ArrowDown className="size-3" />
-        )}
-        {formatPct(variation)}
-      </span>
-    );
-  }
-
-  const beatsInflation = variation > inflation;
-  return (
+  const indicator = (
     <span
-      className={`text-xs font-medium inline-flex items-center gap-1 tabular-nums px-1.5 py-0.5 rounded ${
-        beatsInflation
-          ? "bg-emerald-100 text-emerald-700 dark:bg-emerald-900/30 dark:text-emerald-400"
-          : "bg-red-100 text-red-700 dark:bg-red-900/30 dark:text-red-400"
+      className={`text-xs font-medium inline-flex items-center gap-1 tabular-nums ${
+        inflation !== null
+          ? variation > inflation
+            ? "bg-emerald-100 text-emerald-700 dark:bg-emerald-900/30 dark:text-emerald-400 px-1.5 py-0.5 rounded"
+            : "bg-red-100 text-red-700 dark:bg-red-900/30 dark:text-red-400 px-1.5 py-0.5 rounded"
+          : variation >= 0
+            ? "text-emerald-500"
+            : "text-red-500"
       }`}
     >
-      {beatsInflation ? (
+      {variation >= 0 ? (
         <ArrowUp className="size-3" />
       ) : (
         <ArrowDown className="size-3" />
@@ -87,6 +93,19 @@ function VariationIndicator({
       {formatPct(variation)}
     </span>
   );
+
+  if (prev !== null && current !== null) {
+    return (
+      <div className="flex flex-col items-end gap-0.5">
+        {indicator}
+        <span className="text-[10px] text-muted-foreground tabular-nums">
+          {formatPrice(prev)} → {formatPrice(current)}
+        </span>
+      </div>
+    );
+  }
+
+  return indicator;
 }
 
 export function MonthlyVariationTable() {
@@ -156,9 +175,21 @@ export function MonthlyVariationTable() {
         return {
           month,
           label: formatMonth(month),
-          BELO: beloVar,
-          BLUE: blueVar,
-          BNA: bnaVar,
+          BELO: {
+            variation: beloVar,
+            prev: prevData?.BELO ?? null,
+            current: current?.BELO ?? null,
+          },
+          BLUE: {
+            variation: blueVar,
+            prev: prevData?.BLUE ?? null,
+            current: current?.BLUE ?? null,
+          },
+          BNA: {
+            variation: bnaVar,
+            prev: prevData?.BNA ?? null,
+            current: current?.BNA ?? null,
+          },
           inflation,
         };
       })
@@ -208,15 +239,19 @@ export function MonthlyVariationTable() {
               <div>
                 <p className="text-[10px] text-muted-foreground mb-0.5">BELO</p>
                 <VariationIndicator
-                  variation={row.BELO}
+                  variation={row.BELO.variation}
                   inflation={row.inflation}
+                  prev={row.BELO.prev}
+                  current={row.BELO.current}
                 />
               </div>
               <div>
                 <p className="text-[10px] text-muted-foreground mb-0.5">Blue</p>
                 <VariationIndicator
-                  variation={row.BLUE}
+                  variation={row.BLUE.variation}
                   inflation={row.inflation}
+                  prev={row.BLUE.prev}
+                  current={row.BLUE.current}
                 />
               </div>
               <div>
@@ -224,8 +259,10 @@ export function MonthlyVariationTable() {
                   Oficial
                 </p>
                 <VariationIndicator
-                  variation={row.BNA}
+                  variation={row.BNA.variation}
                   inflation={row.inflation}
+                  prev={row.BNA.prev}
+                  current={row.BNA.current}
                 />
               </div>
             </div>
@@ -263,20 +300,26 @@ export function MonthlyVariationTable() {
                 <td className="px-3 py-2.5 font-medium">{row.label}</td>
                 <td className="px-3 py-2.5 text-right">
                   <VariationIndicator
-                    variation={row.BELO}
+                    variation={row.BELO.variation}
                     inflation={row.inflation}
+                    prev={row.BELO.prev}
+                    current={row.BELO.current}
                   />
                 </td>
                 <td className="px-3 py-2.5 text-right">
                   <VariationIndicator
-                    variation={row.BLUE}
+                    variation={row.BLUE.variation}
                     inflation={row.inflation}
+                    prev={row.BLUE.prev}
+                    current={row.BLUE.current}
                   />
                 </td>
                 <td className="px-3 py-2.5 text-right">
                   <VariationIndicator
-                    variation={row.BNA}
+                    variation={row.BNA.variation}
                     inflation={row.inflation}
+                    prev={row.BNA.prev}
+                    current={row.BNA.current}
                   />
                 </td>
                 <td className="px-3 py-2.5 text-right">