feat: implement dashboard page displaying KPIs, site statistics, top items, and monthly evolution using a new PostgreSQL client.

src/app/(dashboard)/dashboard/page.tsx

@@ -300,10 +300,12 @@ export default async function DashboardPage() {
     try {
         data = await pgGetDashboardData();
     } catch (e) {
+        const msg = e instanceof Error ? e.message : String(e);
+        console.error("[Dashboard] pgGetDashboardData failed:", e);
         return (
             <div className="p-8 text-center">
                 <p className="text-sm" style={{ color: "var(--text-muted)" }}>
-                    Impossible de charger le tableau de bord : {(e as Error).message?.slice(0, 200)}
+                    Impossible de charger le tableau de bord : {msg.slice(0, 500)}
                 </p>
             </div>
         );

src/lib/pg-ff-client.ts

@@ -532,7 +532,10 @@ export async function pgGetDashboardData(): Promise<DashboardData> {
                   AND s.site IN ('292', '579')
                 GROUP BY s.site
                 ORDER BY s.site
-            `),
+            `).catch((err) => {
+                console.error("[pg-ff] statopcajour query failed:", err.message);
+                return { rows: [] };
+            }),
             // QTE + Marge + Lignes par site depuis mvtart (cumstat = 1)
             pgNoParallel(sql`
                 SELECT
@@ -547,7 +550,7 @@ export async function pgGetDashboardData(): Promise<DashboardData> {
                   AND m.site IN ('292', '579')
                 GROUP BY m.site
                 ORDER BY m.site
-            `),
+            `).catch((err) => { console.error("[pg-ff] mvtSites query failed:", err.message); return { rows: [] }; }),
             // Top 10 CA réseau hier (cumstat = 1)
             pgNoParallel(sql`
                 SELECT
@@ -565,7 +568,7 @@ export async function pgGetDashboardData(): Promise<DashboardData> {
                 GROUP BY a.codein, a.libelle1
                 ORDER BY ca DESC
                 LIMIT 10
-            `),
+            `).catch((err) => { console.error("[pg-ff] top10Ca query failed:", err.message); return { rows: [] }; }),
             // Top 10 QTE réseau hier (cumstat = 1)
             pgNoParallel(sql`
                 SELECT
@@ -583,7 +586,7 @@ export async function pgGetDashboardData(): Promise<DashboardData> {
                 GROUP BY a.codein, a.libelle1
                 ORDER BY qte DESC
                 LIMIT 10
-            `),
+            `).catch((err) => { console.error("[pg-ff] top10Qte query failed:", err.message); return { rows: [] }; }),
             // Top 10 Marge réseau hier (cumstat = 1)
             pgNoParallel(sql`
                 SELECT
@@ -601,7 +604,7 @@ export async function pgGetDashboardData(): Promise<DashboardData> {
                 GROUP BY a.codein, a.libelle1
                 ORDER BY marge DESC
                 LIMIT 10
-            `),
+            `).catch((err) => { console.error("[pg-ff] top10Marge query failed:", err.message); return { rows: [] }; }),
             // Évolution mensuelle sur 25 mois (cumstat = 1)
             pgNoParallel(sql`
                 SELECT
@@ -617,7 +620,7 @@ export async function pgGetDashboardData(): Promise<DashboardData> {
                   AND m.site IN ('292', '579')
                 GROUP BY TO_CHAR(m.datmvt, 'YYYY-MM')
                 ORDER BY mois
-            `),
+            `).catch((err) => { console.error("[pg-ff] evolution query failed:", err.message); return { rows: [] }; }),
         ]);
 
     // Fusionner CA+tickets (statopcajour) avec QTE+marge (mvtart) par site