| Epic | Status | Wat is gedaan |

|---------------------|---------------|---------------------|
  | E0: Foundation      | ✅ Afgerond    | Types + DB migratie |
  | E1: Leefgebieden    | ✅ Afgerond    | 3 componenten       |
  | E2: AI Generatie    | ⏳ Nog te doen | -                   |
  | E3: Behandelplan UI | ⏳ Nog te doen | -                   |

  Gemaakte bestanden:
  - lib/types/leefgebieden.ts - 7 domeinen met kleuren/emoji's
  - lib/types/behandelplan.ts - SMART doelen, interventies, Zod schemas
  - components/behandelplan/leefgebieden-form.tsx - Intake formulier
  - components/behandelplan/leefgebieden-scores.tsx - Score weergave
  - components/behandelplan/leefgebieden-badge.tsx - Domain badges
  - components/behandelplan/index.ts - Exports

components/ui/slider.tsx

@@ -0,0 +1,28 @@
+"use client"
+
+import * as React from "react"
+import * as SliderPrimitive from "@radix-ui/react-slider"
+
+import { cn } from "@/lib/utils"
+
+const Slider = React.forwardRef<
+  React.ElementRef<typeof SliderPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof SliderPrimitive.Root>
+>(({ className, ...props }, ref) => (
+  <SliderPrimitive.Root
+    ref={ref}
+    className={cn(
+      "relative flex w-full touch-none select-none items-center",
+      className
+    )}
+    {...props}
+  >
+    <SliderPrimitive.Track className="relative h-1.5 w-full grow overflow-hidden rounded-full bg-primary/20">
+      <SliderPrimitive.Range className="absolute h-full bg-primary" />
+    </SliderPrimitive.Track>
+    <SliderPrimitive.Thumb className="block h-4 w-4 rounded-full border border-primary/50 bg-background shadow transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50" />
+  </SliderPrimitive.Root>
+))
+Slider.displayName = SliderPrimitive.Root.displayName
+
+export { Slider }