feat: Implement dashboard page, its data fetching client, and shared sidebar component.

src/components/shared/sidebar.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { LayoutGrid, Camera, FileDown, Settings, Package, BarChart3, LogOut, User as UserIcon, Loader2, Bot, ChevronRight, ChevronLeft } from "lucide-react";
+import { LayoutGrid, Camera, FileDown, Settings, Package, BarChart2, LogOut, User as UserIcon, Loader2, ChevronRight, ChevronLeft } from "lucide-react";
 import Link from "next/link";
 import { usePathname } from "next/navigation";
 import { cn } from "@/lib/utils";
@@ -9,11 +9,10 @@ import { useEffect, useState } from "react";
 import { useSession, signOut } from "next-auth/react";
 
 const NAV_ITEMS = [
+    { icon: BarChart2, label: "Dashboard", href: "/dashboard" },
     { icon: LayoutGrid, label: "Grille", href: "/grid" },
     { icon: Camera, label: "Snapshots", href: "/snapshots" },
     { icon: FileDown, label: "Exports", href: "/exports" },
-    { icon: BarChart3, label: "Score", href: "/score" },
-    { icon: Bot, label: "Aide IA", href: "/docs/ai-analysis" },
     { icon: Settings, label: "Paramètres", href: "/settings", adminOnly: true },
 ];