feat: Implement product heatmap grid with comprehensive data aggregation and PostgreSQL client for product rows.

src/features/grid/api/get-product-rows.ts

@@ -125,10 +125,11 @@ export async function getProductRows(input: GetProductRowsInput): Promise<Produc
             const siteByPeriod = bySite.get(row.site)!;
             if (!siteByPeriod.has(periode)) siteByPeriod.set(periode, { qty: 0, ca: 0, marge: 0, stock: 0, receptions: 0 });
             const sp = siteByPeriod.get(periode)!;
-            sp.qty   += Number(row.qte_vendue)     || 0;
-            sp.ca    += Number(row.ca_ht)          || 0;
-            sp.marge += Number(row.marge)          || 0;
-            sp.stock  = Math.max(sp.stock, Number(row.stock_fin_mois) || 0);
+            sp.qty        += Number(row.qte_vendue)     || 0;
+            sp.ca         += Number(row.ca_ht)          || 0;
+            sp.marge      += Number(row.marge)          || 0;
+            sp.stock       = Number(row.stock_fin_mois) || 0; // SQL donne déjà le dernier mouvement
+            sp.receptions += Number(row.qte_recue)      || 0;
 
             // Suivi magasins actifs (pour workingStores) : 1 vente suffit
             if (Number(row.qte_vendue) > 0) {
@@ -165,19 +166,28 @@ export async function getProductRows(input: GetProductRowsInput): Promise<Produc
             // Breakdowns par site pour le switch client-side
             const siteMap = mensuelBySite.get(codein);
             if (siteMap) {
-                product.sales12mByStore = {};
-                product.stock12mByStore = {};
-                product.caByStore       = {};
-                product.quantiteByStore = {};
-                product.margeByStore    = {};
+                product.sales12mByStore       = {};
+                product.stock12mByStore       = {};
+                product.receptions12mByStore  = {};
+                product.caByStore             = {};
+                product.quantiteByStore       = {};
+                product.margeByStore          = {};
                 for (const [site, siteByPeriod] of siteMap.entries()) {
-                    product.sales12mByStore[site] = {};
-                    product.stock12mByStore[site] = {};
+                    product.sales12mByStore[site]      = {};
+                    product.stock12mByStore[site]      = {};
+                    product.receptions12mByStore![site] = {};
                     let sQty = 0, sCa = 0, sMarge = 0;
+                    let lastSiteStock = 0;
                     for (const periode of sortedPeriods) {
                         const sp = siteByPeriod.get(periode);
-                        product.sales12mByStore[site][periode] = sp?.qty   ?? 0;
-                        product.stock12mByStore[site][periode] = sp?.stock ?? 0;
+                        product.sales12mByStore[site][periode]      = sp?.qty        ?? 0;
+                        product.receptions12mByStore![site][periode] = sp?.receptions ?? 0;
+                        if (sp) {
+                            product.stock12mByStore[site][periode] = sp.stock;
+                            lastSiteStock = sp.stock;
+                        } else {
+                            product.stock12mByStore[site][periode] = lastSiteStock; // carry-forward
+                        }
                         sQty   += sp?.qty   ?? 0;
                         sCa    += sp?.ca    ?? 0;
                         sMarge += sp?.marge ?? 0;

src/features/grid/components/heatmap-cell.tsx

@@ -3,6 +3,7 @@ import React from "react";
 interface HeatmapCellProps {
     value: number | null;
     tooltipStock?: number | null;
+    tooltipReceptions?: number | null;
 }
 
 function getHeatmapClass(value: number | null): string {
@@ -14,15 +15,16 @@ function getHeatmapClass(value: number | null): string {
     return "heatmap-zero";
 }
 
-export const HeatmapCell = React.memo(({ value, tooltipStock }: HeatmapCellProps) => {
+export const HeatmapCell = React.memo(({ value, tooltipStock, tooltipReceptions }: HeatmapCellProps) => {
     const heatClass = getHeatmapClass(value);
     const display = value === null || value === 0 ? "0" : Math.round(Math.abs(value)).toString();
 
     const titleParts: string[] = [];
-    if (value !== null && value !== 0) titleParts.push(`${Math.abs(value).toLocaleString("fr-FR")} unités`);
-    else titleParts.push("Aucune vente");
-    if (tooltipStock != null) titleParts.push(`Stock fin de mois : ${tooltipStock.toLocaleString("fr-FR")}`);
-    const title = titleParts.join(" · ");
+    if (tooltipReceptions != null && tooltipReceptions > 0)
+        titleParts.push(`Entrées : +${Math.round(tooltipReceptions).toLocaleString("fr-FR")}`);
+    if (tooltipStock != null)
+        titleParts.push(`Stock fin de mois : ${Math.round(tooltipStock).toLocaleString("fr-FR")}`);
+    const title = titleParts.length > 0 ? titleParts.join(" · ") : (value ? `${Math.abs(value).toLocaleString("fr-FR")} unités` : "Aucune vente");
 
     return (
         <div

src/features/grid/components/heatmap-grid.tsx

@@ -463,7 +463,10 @@ export function HeatmapGrid({ onSelectionChange }: HeatmapGridProps) {
                 const stock = activeMagasin === "TOTAL"
                     ? (row.original.stock12m[monthKey] ?? null)
                     : (row.original.stock12mByStore?.[activeMagasin]?.[monthKey] ?? null);
-                return <HeatmapCell value={qty} tooltipStock={stock} />;
+                const receptions = activeMagasin === "TOTAL"
+                    ? (row.original.receptions12m[monthKey] ?? null)
+                    : (row.original.receptions12mByStore?.[activeMagasin]?.[monthKey] ?? null);
+                return <HeatmapCell value={qty} tooltipStock={stock} tooltipReceptions={receptions} />;
             },
         })),
         {
@@ -571,7 +574,7 @@ export function HeatmapGrid({ onSelectionChange }: HeatmapGridProps) {
         getSortedRowModel: getSortedRowModel(),
         getFilteredRowModel: getFilteredRowModel(),
         enableRowSelection: true,
-        globalFilterFn: (row, columnId, filterValue) => {
+        globalFilterFn: (row, _columnId, filterValue) => {
             const search = String(filterValue).toLowerCase();
             const libelle = String(row.original.libelle1 || "").toLowerCase();
             const code = String(row.original.codein || "").toLowerCase();

src/lib/pg-ff-client.ts

@@ -166,24 +166,43 @@ export async function pgGetMensuelByFournisseur(
     // IMPORTANT : utiliser DISTINCT sur artfou1 pour éviter les doublons de mouvements.
     // Un article peut avoir plusieurs lignes artfou1 pour le même fournisseur (pcb/ref différents),
     // ce qui multiplierait chaque mouvement et gonflerait les totaux.
+    //
+    // stock_fin_mois = qtestock du DERNIER mouvement du mois (tri par datmvt DESC).
+    // MAX(qtestock) donnait le stock de début de mois (avant les premières ventes), ce qui était faux.
     const result = await pgNoParallel(sql`
+        WITH base AS (
+            SELECT
+                a.codein,
+                m.site,
+                TO_CHAR(m.datmvt, 'YYYY-MM')  AS mois,
+                m.qtemvt,
+                m.mntmvtttc,
+                m.margemvt,
+                m.genremvt,
+                m.qtestock,
+                ROW_NUMBER() OVER (
+                    PARTITION BY a.codein, m.site, TO_CHAR(m.datmvt, 'YYYY-MM')
+                    ORDER BY m.datmvt DESC
+                ) AS rn_last
+            FROM mvtart m
+            JOIN articles a ON a.no_id = m.artnoid
+            JOIN (SELECT DISTINCT art_no_id FROM artfou1 WHERE code = ${codefou}) af
+                ON af.art_no_id = a.no_id
+            WHERE m.datmvt BETWEEN ${dateDebut}::date AND ${dateFin}::date
+              AND m.site IN ('292', '579')
+        )
         SELECT
-            a.codein,
-            m.site,
-            TO_CHAR(m.datmvt, 'YYYY-MM')                                          AS mois,
-            SUM(CASE WHEN m.genremvt = 3 THEN -m.qtemvt    ELSE 0 END)::float AS qte_vendue,
-            SUM(CASE WHEN m.genremvt = 3 THEN -m.mntmvtttc ELSE 0 END)::float AS ca_ht,
-            SUM(CASE WHEN m.genremvt = 3 THEN  m.margemvt  ELSE 0 END)::float AS marge,
-            MAX(m.qtestock)::float                                              AS stock_fin_mois,
-            SUM(CASE WHEN m.genremvt IN (1, 2) THEN -m.qtemvt ELSE 0 END)::float AS qte_recue
-        FROM mvtart m
-        JOIN articles a ON a.no_id = m.artnoid
-        JOIN (SELECT DISTINCT art_no_id FROM artfou1 WHERE code = ${codefou}) af
-            ON af.art_no_id = a.no_id
-        WHERE m.datmvt BETWEEN ${dateDebut}::date AND ${dateFin}::date
-          AND m.site IN ('292', '579')
-        GROUP BY a.codein, m.site, TO_CHAR(m.datmvt, 'YYYY-MM')
-        ORDER BY a.codein, m.site, mois
+            codein,
+            site,
+            mois,
+            SUM(CASE WHEN genremvt = 3 THEN -qtemvt    ELSE 0 END)::float           AS qte_vendue,
+            SUM(CASE WHEN genremvt = 3 THEN -mntmvtttc ELSE 0 END)::float           AS ca_ht,
+            SUM(CASE WHEN genremvt = 3 THEN  margemvt  ELSE 0 END)::float           AS marge,
+            MAX(CASE WHEN rn_last = 1 THEN qtestock ELSE NULL END)::float            AS stock_fin_mois,
+            SUM(CASE WHEN genremvt IN (1, 2) THEN -qtemvt ELSE 0 END)::float        AS qte_recue
+        FROM base
+        GROUP BY codein, site, mois
+        ORDER BY codein, site, mois
     `);
 
     return result.rows as unknown as PgMensuelRow[];

src/types/grid.ts

@@ -54,8 +54,10 @@ export interface ProductRow {
     receptions12m: Record<string, number>;
     /** Per-store breakdown (site → YYYYMM → qty) — always present even in TOTAL mode */
     sales12mByStore?: Record<string, Record<string, number>>;
-    /** Per-store stock breakdown (site → YYYYMM → stock) */
+    /** Per-store stock breakdown (site → YYYYMM → stock fin de mois) */
     stock12mByStore?: Record<string, Record<string, number>>;
+    /** Per-store reception breakdown (site → YYYYMM → qté reçue) */
+    receptions12mByStore?: Record<string, Record<string, number>>;
     /** Per-store CA totals */
     caByStore?: Record<string, number>;
     /** Per-store quantity totals */