refactor : merge Inventory_frontend submodule into frontend/ directory

Merges the full git history of Inventory_frontend into the monorepo
under frontend/. Removes the submodule in favor of a unified repo.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/app/components/common/CustomFieldInputGrid.vue

@@ -0,0 +1,83 @@
+<template>
+  <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+    <div
+      v-for="(field, index) in fields"
+      :key="fieldKey(field, index)"
+      class="form-control"
+    >
+      <label class="label">
+        <span class="label-text">{{ field.name }}</span>
+        <span v-if="field.required" class="label-text-alt text-error">*</span>
+      </label>
+      <input
+        v-if="field.type === 'text'"
+        v-model="field.value"
+        type="text"
+        class="input input-bordered input-sm md:input-md"
+        :required="field.required"
+        :disabled="disabled"
+      >
+      <input
+        v-else-if="field.type === 'number'"
+        v-model="field.value"
+        type="number"
+        step="0.01"
+        class="input input-bordered input-sm md:input-md"
+        :required="field.required"
+        :disabled="disabled"
+      >
+      <select
+        v-else-if="field.type === 'select'"
+        v-model="field.value"
+        class="select select-bordered select-sm md:select-md"
+        :required="field.required"
+        :disabled="disabled"
+      >
+        <option value="">Sélectionner...</option>
+        <option
+          v-for="option in field.options"
+          :key="option"
+          :value="option"
+        >
+          {{ option }}
+        </option>
+      </select>
+      <label v-else-if="field.type === 'boolean'" class="flex items-center gap-3 cursor-pointer">
+        <input
+          v-model="field.value"
+          type="checkbox"
+          class="toggle toggle-primary toggle-sm md:toggle-md"
+          true-value="true"
+          false-value="false"
+          :disabled="disabled"
+        >
+        <span class="text-sm" :class="field.value === 'true' ? 'text-success font-medium' : 'text-base-content/60'">{{ field.value === 'true' ? 'Oui' : 'Non' }}</span>
+      </label>
+      <input
+        v-else-if="field.type === 'date'"
+        v-model="field.value"
+        type="date"
+        class="input input-bordered input-sm md:input-md"
+        :required="field.required"
+        :disabled="disabled"
+      >
+      <input
+        v-else
+        v-model="field.value"
+        type="text"
+        class="input input-bordered input-sm md:input-md"
+        :required="field.required"
+        :disabled="disabled"
+      >
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { fieldKey, type CustomFieldInput } from '~/shared/utils/customFieldFormUtils'
+
+defineProps<{
+  fields: CustomFieldInput[]
+  disabled?: boolean
+}>()
+</script>