Merge branch 'development' into feature/partes-descargadas

# Conflicts:
#	frontend/src/lib/components/dashboard/invoices/edit/InvoiceSelectorModal.svelte
#	frontend/src/lib/components/dashboard/invoices/edit/items/fa/item-sheet-fa.svelte

frontend/src/lib/api/dashboard/a76/classes.ts

@@ -58,7 +58,9 @@ export interface A76ClassListParams {
     page_size?: number;
     class_code?: string;
     description?: string;
-    q?: string; // Agregado por si usas búsqueda general
+    /** Búsqueda OR en class_code, description_es y description_en (backend ClassService) */
+    search?: string;
+    q?: string;
     sort_by?: string;
     sort_order?: 'asc' | 'desc';
 }

frontend/src/lib/api/dashboard/a76/items.ts

@@ -33,6 +33,7 @@ export interface LineFinancials {
     unit_cost_mxn?: number;
     unit_cost_capture?: number;
     unit_cost_commercial_usd?: number;
+    unit_cost_mc?: number;
 
     // Values
     value_mc?: number;
@@ -42,6 +43,9 @@ export interface LineFinancials {
     value_returned_mxn?: number;
     customs_value_usd?: number;
     customs_value_mxn?: number;
+    vat_mxn?: number;
+    vat_usd?: number;
+    vat_mc?: number;
 }
 
 export interface LineQuantities {
@@ -137,6 +141,13 @@ export interface FaLineItem {
     own_equipment?: boolean;
     omit_annex31?: boolean;
 
+    // Source data for proportional calculations (CALCULO_PESOS) and inventory balance validation
+    source_quantity?: number;
+    source_balance?: number;
+    source_net_weight?: number;
+    source_gross_weight?: number;
+    source_packages?: number;
+
     // Timestamps
     created_at?: string;
     updated_at?: string;
@@ -290,9 +301,6 @@ export const itemsApi = {
         return api.put<Item>(`/v1/a76/items/${itemId}/?${params.toString()}`, data);
     },
 
-    /**
-     * Elimina un item
-     */
     delete: (itemId: number, companyId: number) => {
         const params = new URLSearchParams({
             company_id: companyId.toString()
@@ -300,6 +308,18 @@ export const itemsApi = {
         return api.delete(`/v1/a76/items/${itemId}/?${params.toString()}`);
     },
 
+    /**
+     * Elimina todas las series de un item
+     */
+    deleteSeries: (itemId: number, companyId: number) => {
+        const params = new URLSearchParams({
+            company_id: companyId.toString()
+        });
+        return api.delete<{ message: string; count: number }>(
+            `/v1/a76/items/${itemId}/series?${params.toString()}`
+        );
+    },
+
     /**
      * Lista las líneas de una factura de importación con su saldo disponible.
      * Solo las líneas con has_balance = true tienen mercancía disponible para descarga.
@@ -313,10 +333,12 @@ export const itemsApi = {
     listByInvoiceWithBalance: (
         invoiceId: number,
         companyId: number,
-        asOfDate?: string
+        asOfDate?: string,
+        currentExportInvoiceId?: number
     ) => {
         const params = new URLSearchParams({ company_id: companyId.toString() });
         if (asOfDate) params.append('as_of_date', asOfDate);
+        if (currentExportInvoiceId) params.append('current_export_invoice_id', currentExportInvoiceId.toString());
         return api.get<ImportLineWithBalance[]>(
             `/v1/a76/items/invoice/${invoiceId}/items-with-balance?${params.toString()}`
         );
@@ -339,6 +361,9 @@ export interface ImportLineWithBalance {
     quantity?: number;
     quantity_used_temp?: number;
     quantity_used_def?: number;
+    // Weights
+    net_weight?: number;
+    gross_weight?: number;
     // Balance
     available_balance: number;
     has_balance: boolean;