feat : UiDataTable avec pagination server-side et loader

- Composant UiDataTable (pagination, slots header/cell/actions/empty)
- Composable useDataTableServerState (token anti-race, debounce filtres)
- Migration de la page réceptions finies sur le nouveau pattern
- pagination_client_items_per_page activé globalement

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

frontend/composables/useDataTableServerState.ts

@@ -0,0 +1,102 @@
+import { ref, watch } from 'vue'
+import { useApi } from '~/composables/useApi'
+
+type FilterValue = string | number | boolean | null
+
+export interface UseDataTableServerStateOptions {
+    initialPerPage?: number
+    debounceMs?: number
+}
+
+export function useDataTableServerState<T = Record<string, unknown>>(
+    endpoint: string,
+    initialFilters: Record<string, FilterValue> = {},
+    options: UseDataTableServerStateOptions = {}
+) {
+    const api = useApi()
+
+    const debounceMs = options.debounceMs ?? 300
+    const initialPerPage = options.initialPerPage ?? 10
+
+    const items = ref<T[]>([]) as { value: T[] }
+    const totalItems = ref(0)
+    const page = ref(1)
+    const perPage = ref(initialPerPage)
+    const filters = ref<Record<string, FilterValue>>({ ...initialFilters })
+    const loading = ref(false)
+
+    let debounceTimer: ReturnType<typeof setTimeout> | null = null
+    let requestToken = 0
+
+    const buildQueryParams = (): Record<string, string | number | boolean> => {
+        const params: Record<string, string | number | boolean> = {
+            page: page.value,
+            itemsPerPage: perPage.value
+        }
+        for (const [key, value] of Object.entries(filters.value)) {
+            if (value === '' || value === null) continue
+            params[key] = value as string | number | boolean
+        }
+        return params
+    }
+
+    const fetchItems = async (): Promise<void> => {
+        const currentToken = ++requestToken
+        loading.value = true
+        try {
+            const data = await api.get<{ member: T[]; totalItems: number }>(
+                endpoint,
+                buildQueryParams(),
+                {
+                    toast: false,
+                    headers: { Accept: 'application/ld+json' }
+                }
+            )
+            if (currentToken !== requestToken) return
+            items.value = data?.member ?? []
+            totalItems.value = data?.totalItems ?? 0
+        } finally {
+            if (currentToken === requestToken) {
+                loading.value = false
+            }
+        }
+    }
+
+    const reload = (): void => {
+        if (debounceTimer) {
+            clearTimeout(debounceTimer)
+            debounceTimer = null
+        }
+        void fetchItems()
+    }
+
+    const scheduleReload = (): void => {
+        if (debounceTimer) clearTimeout(debounceTimer)
+        debounceTimer = setTimeout(() => {
+            debounceTimer = null
+            void fetchItems()
+        }, debounceMs)
+    }
+
+    watch([page, perPage], () => {
+        reload()
+    })
+
+    watch(filters, () => {
+        if (page.value !== 1) {
+            page.value = 1
+            return
+        }
+        scheduleReload()
+    }, { deep: true })
+
+    return {
+        items,
+        totalItems,
+        page,
+        perPage,
+        filters,
+        loading,
+        reload
+    }
+}