diff --git a/src/admin/lib/queries/warehouse.ts b/src/admin/lib/queries/warehouse.ts
new file mode 100644
index 0000000..9932009
--- /dev/null
+++ b/src/admin/lib/queries/warehouse.ts
@@ -0,0 +1,385 @@
+import { queryOptions } from "@tanstack/react-query";
+import { jsonQuery, paginatedJsonQuery } from "../apiAdapter";
+
+// --- Types ---
+
+export interface WarehouseItem {
+  id: number;
+  item_number: string | null;
+  name: string;
+  description: string | null;
+  category_id: number | null;
+  unit: string;
+  min_quantity: number | null;
+  is_active: boolean;
+  notes: string | null;
+  category?: { id: number; name: string } | null;
+  total_quantity?: number;
+  available_quantity?: number;
+  stock_value?: number;
+  below_minimum?: boolean;
+}
+
+export interface WarehouseReceipt {
+  id: number;
+  receipt_number: string | null;
+  supplier_id: number | null;
+  delivery_note_number: string | null;
+  delivery_note_date: string | null;
+  received_by: number | null;
+  notes: string | null;
+  status: "DRAFT" | "CONFIRMED" | "CANCELLED";
+  created_at: string;
+  modified_at: string | null;
+  supplier?: { id: number; name: string } | null;
+  received_by_user?: {
+    id: number;
+    first_name: string;
+    last_name: string;
+  } | null;
+  lines?: WarehouseReceiptLine[];
+  attachments?: WarehouseReceiptAttachment[];
+}
+
+export interface WarehouseReceiptLine {
+  id: number;
+  receipt_id: number;
+  item_id: number;
+  quantity: number;
+  unit_price: number;
+  location_id: number | null;
+  notes: string | null;
+  item?: WarehouseItem;
+  location?: { id: number; code: string; name: string } | null;
+}
+
+export interface WarehouseReceiptAttachment {
+  id: number;
+  receipt_id: number;
+  file_name: string;
+  file_mime: string;
+  file_size: number;
+  file_path: string;
+  created_at: string;
+}
+
+export interface WarehouseIssue {
+  id: number;
+  issue_number: string | null;
+  project_id: number;
+  issued_by: number | null;
+  notes: string | null;
+  status: "DRAFT" | "CONFIRMED" | "CANCELLED";
+  created_at: string;
+  modified_at: string | null;
+  project?: { id: number; name: string; project_number: string } | null;
+  issued_by_user?: { id: number; first_name: string; last_name: string } | null;
+  lines?: WarehouseIssueLine[];
+}
+
+export interface WarehouseIssueLine {
+  id: number;
+  issue_id: number;
+  item_id: number;
+  batch_id: number;
+  quantity: number;
+  location_id: number | null;
+  reservation_id: number | null;
+  notes: string | null;
+  item?: WarehouseItem;
+  batch?: {
+    id: number;
+    quantity: number;
+    unit_price: number;
+    received_at: string;
+  } | null;
+  location?: { id: number; code: string; name: string } | null;
+  reservation?: { id: number; quantity: number; remaining_qty: number } | null;
+}
+
+export interface WarehouseReservation {
+  id: number;
+  item_id: number;
+  project_id: number;
+  quantity: number;
+  remaining_qty: number;
+  reserved_by: number | null;
+  notes: string | null;
+  status: "ACTIVE" | "FULFILLED" | "CANCELLED";
+  created_at: string;
+  modified_at: string | null;
+  item?: WarehouseItem;
+  project?: { id: number; name: string } | null;
+  reserved_by_user?: {
+    id: number;
+    first_name: string;
+    last_name: string;
+  } | null;
+}
+
+export interface WarehouseInventorySession {
+  id: number;
+  session_number: string | null;
+  notes: string | null;
+  status: "DRAFT" | "CONFIRMED";
+  created_at: string;
+  modified_at: string | null;
+  lines?: WarehouseInventoryLine[];
+}
+
+export interface WarehouseInventoryLine {
+  id: number;
+  session_id: number;
+  item_id: number;
+  location_id: number | null;
+  system_qty: number;
+  actual_qty: number;
+  difference: number;
+  notes: string | null;
+  item?: WarehouseItem;
+  location?: { id: number; code: string; name: string } | null;
+}
+
+export interface WarehouseCategory {
+  id: number;
+  name: string;
+  description: string | null;
+  sort_order: number;
+}
+
+export interface WarehouseLocation {
+  id: number;
+  code: string;
+  name: string;
+  description: string | null;
+  is_active: boolean;
+}
+
+export interface WarehouseSupplier {
+  id: number;
+  name: string;
+  ico: string | null;
+  dic: string | null;
+  contact_person: string | null;
+  email: string | null;
+  phone: string | null;
+  address: string | null;
+  notes: string | null;
+  is_active: boolean;
+}
+
+// --- Query Options ---
+
+export const warehouseItemListOptions = (filters: {
+  search?: string;
+  page?: number;
+  perPage?: number;
+  sort?: string;
+  order?: string;
+  category_id?: number;
+}) =>
+  queryOptions({
+    queryKey: ["warehouse", "items", "list", filters],
+    queryFn: () => {
+      const params = new URLSearchParams();
+      if (filters.search) params.set("search", filters.search);
+      if (filters.page) params.set("page", String(filters.page));
+      if (filters.perPage) params.set("per_page", String(filters.perPage));
+      if (filters.sort) params.set("sort", filters.sort);
+      if (filters.order) params.set("order", filters.order);
+      if (filters.category_id)
+        params.set("category_id", String(filters.category_id));
+      const qs = params.toString();
+      return paginatedJsonQuery<WarehouseItem>(
+        `/api/admin/warehouse/items${qs ? `?${qs}` : ""}`,
+      );
+    },
+  });
+
+export const warehouseItemDetailOptions = (id: string | undefined) =>
+  queryOptions({
+    queryKey: ["warehouse", "items", id],
+    queryFn: () => jsonQuery<WarehouseItem>(`/api/admin/warehouse/items/${id}`),
+    enabled: !!id,
+  });
+
+export const warehouseCategoryListOptions = () =>
+  queryOptions({
+    queryKey: ["warehouse", "categories"],
+    queryFn: () =>
+      jsonQuery<WarehouseCategory[]>("/api/admin/warehouse/categories"),
+  });
+
+export const warehouseSupplierListOptions = (filters: {
+  search?: string;
+  page?: number;
+  perPage?: number;
+}) =>
+  queryOptions({
+    queryKey: ["warehouse", "suppliers", "list", filters],
+    queryFn: () => {
+      const params = new URLSearchParams();
+      if (filters.search) params.set("search", filters.search);
+      if (filters.page) params.set("page", String(filters.page));
+      if (filters.perPage) params.set("per_page", String(filters.perPage));
+      const qs = params.toString();
+      return paginatedJsonQuery<WarehouseSupplier>(
+        `/api/admin/warehouse/suppliers${qs ? `?${qs}` : ""}`,
+      );
+    },
+  });
+
+export const warehouseLocationListOptions = () =>
+  queryOptions({
+    queryKey: ["warehouse", "locations"],
+    queryFn: () =>
+      jsonQuery<WarehouseLocation[]>("/api/admin/warehouse/locations"),
+  });
+
+export const warehouseReceiptListOptions = (filters: {
+  search?: string;
+  page?: number;
+  perPage?: number;
+  status?: string;
+  supplier_id?: number;
+  date_from?: string;
+  date_to?: string;
+}) =>
+  queryOptions({
+    queryKey: ["warehouse", "receipts", "list", filters],
+    queryFn: () => {
+      const params = new URLSearchParams();
+      if (filters.search) params.set("search", filters.search);
+      if (filters.page) params.set("page", String(filters.page));
+      if (filters.perPage) params.set("per_page", String(filters.perPage));
+      if (filters.status) params.set("status", filters.status);
+      if (filters.supplier_id)
+        params.set("supplier_id", String(filters.supplier_id));
+      if (filters.date_from) params.set("date_from", filters.date_from);
+      if (filters.date_to) params.set("date_to", filters.date_to);
+      const qs = params.toString();
+      return paginatedJsonQuery<WarehouseReceipt>(
+        `/api/admin/warehouse/receipts${qs ? `?${qs}` : ""}`,
+      );
+    },
+  });
+
+export const warehouseReceiptDetailOptions = (id: string | undefined) =>
+  queryOptions({
+    queryKey: ["warehouse", "receipts", id],
+    queryFn: () =>
+      jsonQuery<WarehouseReceipt>(`/api/admin/warehouse/receipts/${id}`),
+    enabled: !!id,
+  });
+
+export const warehouseIssueListOptions = (filters: {
+  search?: string;
+  page?: number;
+  perPage?: number;
+  status?: string;
+  project_id?: number;
+  date_from?: string;
+  date_to?: string;
+}) =>
+  queryOptions({
+    queryKey: ["warehouse", "issues", "list", filters],
+    queryFn: () => {
+      const params = new URLSearchParams();
+      if (filters.search) params.set("search", filters.search);
+      if (filters.page) params.set("page", String(filters.page));
+      if (filters.perPage) params.set("per_page", String(filters.perPage));
+      if (filters.status) params.set("status", filters.status);
+      if (filters.project_id)
+        params.set("project_id", String(filters.project_id));
+      if (filters.date_from) params.set("date_from", filters.date_from);
+      if (filters.date_to) params.set("date_to", filters.date_to);
+      const qs = params.toString();
+      return paginatedJsonQuery<WarehouseIssue>(
+        `/api/admin/warehouse/issues${qs ? `?${qs}` : ""}`,
+      );
+    },
+  });
+
+export const warehouseIssueDetailOptions = (id: string | undefined) =>
+  queryOptions({
+    queryKey: ["warehouse", "issues", id],
+    queryFn: () =>
+      jsonQuery<WarehouseIssue>(`/api/admin/warehouse/issues/${id}`),
+    enabled: !!id,
+  });
+
+export const warehouseReservationListOptions = (filters: {
+  page?: number;
+  perPage?: number;
+  item_id?: number;
+  project_id?: number;
+  status?: string;
+}) =>
+  queryOptions({
+    queryKey: ["warehouse", "reservations", "list", filters],
+    queryFn: () => {
+      const params = new URLSearchParams();
+      if (filters.page) params.set("page", String(filters.page));
+      if (filters.perPage) params.set("per_page", String(filters.perPage));
+      if (filters.item_id) params.set("item_id", String(filters.item_id));
+      if (filters.project_id)
+        params.set("project_id", String(filters.project_id));
+      if (filters.status) params.set("status", filters.status);
+      const qs = params.toString();
+      return paginatedJsonQuery<WarehouseReservation>(
+        `/api/admin/warehouse/reservations${qs ? `?${qs}` : ""}`,
+      );
+    },
+  });
+
+export const warehouseInventoryListOptions = (filters: {
+  page?: number;
+  perPage?: number;
+  status?: string;
+}) =>
+  queryOptions({
+    queryKey: ["warehouse", "inventory", "list", filters],
+    queryFn: () => {
+      const params = new URLSearchParams();
+      if (filters.page) params.set("page", String(filters.page));
+      if (filters.perPage) params.set("per_page", String(filters.perPage));
+      if (filters.status) params.set("status", filters.status);
+      const qs = params.toString();
+      return paginatedJsonQuery<WarehouseInventorySession>(
+        `/api/admin/warehouse/inventory${qs ? `?${qs}` : ""}`,
+      );
+    },
+  });
+
+export const warehouseInventoryDetailOptions = (id: string | undefined) =>
+  queryOptions({
+    queryKey: ["warehouse", "inventory", id],
+    queryFn: () =>
+      jsonQuery<WarehouseInventorySession>(
+        `/api/admin/warehouse/inventory/${id}`,
+      ),
+    enabled: !!id,
+  });
+
+export const warehouseStockStatusOptions = (filters?: {
+  category_id?: number;
+}) =>
+  queryOptions({
+    queryKey: ["warehouse", "stock-status", filters],
+    queryFn: () => {
+      const params = new URLSearchParams();
+      if (filters?.category_id)
+        params.set("category_id", String(filters.category_id));
+      const qs = params.toString();
+      return jsonQuery<WarehouseItem[]>(
+        `/api/admin/warehouse/stock-status${qs ? `?${qs}` : ""}`,
+      );
+    },
+  });
+
+export const warehouseBelowMinimumOptions = () =>
+  queryOptions({
+    queryKey: ["warehouse", "below-minimum"],
+    queryFn: () =>
+      jsonQuery<WarehouseItem[]>("/api/admin/warehouse/below-minimum"),
+  });