feat: L'Ami Fiduciaire V1.0.0 — full codebase with Story 0.1 complete

Initial commit of the L'Ami Fiduciaire SaaS platform built on Laravel 12,
Vue 3, Inertia.js 2, and Tailwind CSS 4.

Story 0.1 (rename folders to declarations in database) is implemented and
code-reviewed: migration, rollback, and 6 Pest tests all passing.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

resources/js/components/ui/navigation-menu/NavigationMenuViewport.vue

@@ -0,0 +1,31 @@
+<script setup lang="ts">
+import type { NavigationMenuViewportProps } from "reka-ui"
+import type { HTMLAttributes } from "vue"
+import { reactiveOmit } from "@vueuse/core"
+import {
+  NavigationMenuViewport,
+  useForwardProps,
+} from "reka-ui"
+import { cn } from "@/lib/utils"
+
+const props = defineProps<NavigationMenuViewportProps & { class?: HTMLAttributes["class"] }>()
+
+const delegatedProps = reactiveOmit(props, "class")
+
+const forwardedProps = useForwardProps(delegatedProps)
+</script>
+
+<template>
+  <div class="absolute top-full left-0 isolate z-50 flex justify-center">
+    <NavigationMenuViewport
+      data-slot="navigation-menu-viewport"
+      v-bind="forwardedProps"
+      :class="
+        cn(
+          'origin-top-center bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-90 relative mt-1.5 h-[var(--reka-navigation-menu-viewport-height)] w-full overflow-hidden rounded-md border shadow md:w-[var(--reka-navigation-menu-viewport-width)] left-[var(--reka-navigation-menu-viewport-left)]',
+          props.class,
+        )
+      "
+    />
+  </div>
+</template>