feat(admin): add product dependencies and clean up labels

- Add addProductDependency and removeProductDependency actions

- Create DependencyPopover and integrate in live editor UI

- Render green requirements and red exclusions badges

- Remove technical parentheses from category checkbox labels

shop/lib/actions/products.ts

@@ -206,3 +206,61 @@ export async function transferModules(
   revalidatePath('/admin/products')
   revalidatePath('/order')
 }
+
+export async function addProductDependency(
+  productId: string,
+  type: 'requirements' | 'exclusions',
+  dependencyId: string
+) {
+  const supabase = await createClient()
+
+  const { data: product, error: fetchError } = await supabase
+    .from('products')
+    .select('requirements, exclusions')
+    .eq('id', productId)
+    .single()
+
+  if (fetchError) throw fetchError
+
+  const currentDeps = (product[type] || []) as string[]
+  if (!currentDeps.includes(dependencyId)) {
+    const updatedDeps = [...currentDeps, dependencyId]
+    const { error: updateError } = await supabase
+      .from('products')
+      .update({ [type]: updatedDeps })
+      .eq('id', productId)
+    if (updateError) throw updateError
+  }
+
+  revalidatePath('/admin/products')
+  revalidatePath('/order')
+}
+
+export async function removeProductDependency(
+  productId: string,
+  type: 'requirements' | 'exclusions',
+  dependencyId: string
+) {
+  const supabase = await createClient()
+
+  const { data: product, error: fetchError } = await supabase
+    .from('products')
+    .select('requirements, exclusions')
+    .eq('id', productId)
+    .single()
+
+  if (fetchError) throw fetchError
+
+  const currentDeps = (product[type] || []) as string[]
+  if (currentDeps.includes(dependencyId)) {
+    const updatedDeps = currentDeps.filter(id => id !== dependencyId)
+    const { error: updateError } = await supabase
+      .from('products')
+      .update({ [type]: updatedDeps })
+      .eq('id', productId)
+    if (updateError) throw updateError
+  }
+
+  revalidatePath('/admin/products')
+  revalidatePath('/order')
+}