feat: Implement dashboard layout, shared sidebar, AI copilot analysis and scoring engines, and a grid floating summary bar.

src/app/(dashboard)/layout.tsx

@@ -5,7 +5,7 @@ export default async function DashboardLayout({ children }: { children: React.Re
     return (
         <div className="flex h-screen w-full overflow-hidden" style={{ background: "var(--bg-base)" }}>
             <Sidebar />
-            <main className="flex-1 ml-16 flex flex-col h-full min-w-0 overflow-hidden">
+            <main className="flex-1 flex flex-col h-full min-w-0 overflow-hidden">
                 <Header />
                 <div className="flex-1 overflow-auto p-4 md:p-8">
                     {children}