Add sales item labor/product route updates and permission docs

src/modules/cw-utils/opportunities/opportunities.ts

@@ -381,4 +381,45 @@ export const opportunityCw = {
 
     return created;
   },
+
+  /**
+   * Fetch Procurement Product by Forecast Detail
+   *
+   * Finds the procurement product linked to a given forecast item ID
+   * on an opportunity.
+   */
+  fetchProcurementProductByForecastDetail: async (
+    opportunityId: number,
+    forecastDetailId: number,
+  ): Promise<CWProcurementProduct | null> => {
+    const conditions = `opportunity/id=${opportunityId} and forecastDetailId=${forecastDetailId}`;
+    const response = await connectWiseApi.get(
+      `/procurement/products?conditions=${encodeURIComponent(conditions)}&fields=id,forecastDetailId,description,customerDescription,quantity,price,cost,taxableFlag,specialOrderFlag,customFields`,
+    );
+
+    const items = (response.data ?? []) as CWProcurementProduct[];
+    return items[0] ?? null;
+  },
+
+  /**
+   * Update Procurement Product
+   *
+   * Applies a JSON Patch update to a procurement product record.
+   */
+  updateProcurementProduct: async (
+    procurementProductId: number,
+    data: Record<string, unknown>,
+  ): Promise<CWProcurementProduct> => {
+    const operations = Object.entries(data).map(([key, value]) => ({
+      op: "replace" as const,
+      path: key,
+      value,
+    }));
+
+    const response = await connectWiseApi.patch(
+      `/procurement/products/${procurementProductId}`,
+      operations,
+    );
+    return response.data as CWProcurementProduct;
+  },
 };