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/Pagination.vue

@@ -0,0 +1,128 @@
+<template>
+  <div v-if="totalPages > 1" class="flex items-center justify-center gap-2">
+    <button
+      type="button"
+      class="btn btn-sm btn-ghost"
+      :disabled="currentPage <= 1"
+      @click="goToPage(1)"
+    >
+      <IconLucideChevronFirst class="w-4 h-4" />
+    </button>
+    <button
+      type="button"
+      class="btn btn-sm btn-ghost"
+      :disabled="currentPage <= 1"
+      @click="goToPage(currentPage - 1)"
+    >
+      <IconLucideChevronLeft class="w-4 h-4" />
+    </button>
+
+    <template v-for="page in visiblePages" :key="page">
+      <span v-if="page === 'ellipsis-start' || page === 'ellipsis-end'" class="px-2">...</span>
+      <button
+        v-else
+        type="button"
+        class="btn btn-sm"
+        :class="page === currentPage ? 'btn-primary' : 'btn-ghost'"
+        @click="goToPage(page)"
+      >
+        {{ page }}
+      </button>
+    </template>
+
+    <button
+      type="button"
+      class="btn btn-sm btn-ghost"
+      :disabled="currentPage >= totalPages"
+      @click="goToPage(currentPage + 1)"
+    >
+      <IconLucideChevronRight class="w-4 h-4" />
+    </button>
+    <button
+      type="button"
+      class="btn btn-sm btn-ghost"
+      :disabled="currentPage >= totalPages"
+      @click="goToPage(totalPages)"
+    >
+      <IconLucideChevronLast class="w-4 h-4" />
+    </button>
+  </div>
+</template>
+
+<script setup>
+import { computed } from 'vue'
+import IconLucideChevronFirst from '~icons/lucide/chevrons-left'
+import IconLucideChevronLeft from '~icons/lucide/chevron-left'
+import IconLucideChevronRight from '~icons/lucide/chevron-right'
+import IconLucideChevronLast from '~icons/lucide/chevrons-right'
+
+const props = defineProps({
+  currentPage: {
+    type: Number,
+    required: true
+  },
+  totalPages: {
+    type: Number,
+    required: true
+  },
+  maxVisiblePages: {
+    type: Number,
+    default: 5
+  }
+})
+
+const emit = defineEmits(['update:currentPage'])
+
+const visiblePages = computed(() => {
+  const pages = []
+  const total = props.totalPages
+  const current = props.currentPage
+  const maxVisible = props.maxVisiblePages
+
+  if (total <= maxVisible + 2) {
+    for (let i = 1; i <= total; i++) {
+      pages.push(i)
+    }
+    return pages
+  }
+
+  // Always show first page
+  pages.push(1)
+
+  const half = Math.floor(maxVisible / 2)
+  let start = Math.max(2, current - half)
+  let end = Math.min(total - 1, current + half)
+
+  // Adjust if near start
+  if (current <= half + 1) {
+    end = maxVisible
+  }
+  // Adjust if near end
+  if (current >= total - half) {
+    start = total - maxVisible + 1
+  }
+
+  if (start > 2) {
+    pages.push('ellipsis-start')
+  }
+
+  for (let i = start; i <= end; i++) {
+    pages.push(i)
+  }
+
+  if (end < total - 1) {
+    pages.push('ellipsis-end')
+  }
+
+  // Always show last page
+  pages.push(total)
+
+  return pages
+})
+
+const goToPage = (page) => {
+  if (page >= 1 && page <= props.totalPages && page !== props.currentPage) {
+    emit('update:currentPage', page)
+  }
+}
+</script>