Migración a shadcn-vue + Tailwind CSS v4

- Tailwind CSS v4 con @tailwindcss/vite
- shadcn-vue: 19 componentes UI (button, card, dialog, table, select,
  tabs, sidebar, separator, breadcrumb, badge, avatar, dropdown-menu,
  tooltip, input, switch, sheet, skeleton)
- Sidebar collapsible con íconos Lucide
- Theme Teloprax en CSS variables (rojo #E63946, negro #1A1A2E)
- LoginView, DashboardView, CalendarView, SchedulerView migrados
- Eliminado AppShell.vue manual (reemplazado por SidebarProvider)
- Layout con breadcrumb, sidebar trigger, header unificado

src/components/ui/switch/Switch.vue

@@ -0,0 +1,35 @@
+<script setup lang="ts">
+import type { SwitchRootEmits, SwitchRootProps } from "reka-ui"
+import type { HTMLAttributes } from "vue"
+import { reactiveOmit } from "@vueuse/core"
+import {
+  SwitchRoot,
+  SwitchThumb,
+  useForwardPropsEmits,
+} from "reka-ui"
+import { cn } from "@/lib/utils"
+
+const props = defineProps<SwitchRootProps & { class?: HTMLAttributes["class"] }>()
+
+const emits = defineEmits<SwitchRootEmits>()
+
+const delegatedProps = reactiveOmit(props, "class")
+
+const forwarded = useForwardPropsEmits(delegatedProps, emits)
+</script>
+
+<template>
+  <SwitchRoot
+    v-bind="forwarded"
+    :class="cn(
+      'peer inline-flex h-6 w-11 shrink-0 cursor-pointer items-center rounded-full border-2 border-transparent transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 focus-visible:ring-offset-background disabled:cursor-not-allowed disabled:opacity-50 data-[state=checked]:bg-primary data-[state=unchecked]:bg-input',
+      props.class,
+    )"
+  >
+    <SwitchThumb
+      :class="cn('pointer-events-none block h-5 w-5 rounded-full bg-background shadow-lg ring-0 transition-transform data-[state=checked]:translate-x-5')"
+    >
+      <slot name="thumb" />
+    </SwitchThumb>
+  </SwitchRoot>
+</template>

src/components/ui/switch/index.ts

@@ -0,0 +1 @@
+export { default as Switch } from "./Switch.vue"