assignment 2 ui changes

apps/web/src/orders/order-api.ts

@@ -28,6 +28,13 @@ export function updateShippingAddress(orderId: string, address: Address) {
   });
 }
 
+export function updateOrderNotes(orderId: string, notes: string) {
+  return apiRequest<OrderDetail>(`/api/orders/${orderId}/notes`, {
+    method: "POST",
+    body: JSON.stringify({ notes })
+  });
+}
+
 export function cancelOrder(orderId: string, reason?: string) {
   return apiRequest<OrderDetail>(`/api/orders/${orderId}/cancel`, {
     method: "POST",

apps/web/src/orders/order-detail-page.tsx

@@ -1,6 +1,7 @@
 import type { Address, AuditEvent, OrderDetail } from "@orderops/shared";
 import { AuditTimeline } from "./audit-timeline";
 import { OrderItemsPanel } from "./order-items-panel";
+import { OrderNotesPanel } from "./order-notes";
 import { OrderSummaryPanel } from "./order-summary";
 import { ShippingAddressForm } from "./shipping-address-form";
 
@@ -9,6 +10,7 @@ interface OrderDetailPageProps {
   auditEvents: AuditEvent[];
   onUpdateQuantity: (itemId: string, quantity: number) => Promise<void>;
   onSaveAddress: (address: Address) => Promise<void>;
+  onSaveNotes: (notes: string) => Promise<void>;
   onCancel: () => Promise<void>;
 }
 
@@ -17,11 +19,13 @@ export function OrderDetailPage({
   auditEvents,
   onUpdateQuantity,
   onSaveAddress,
+  onSaveNotes,
   onCancel
 }: OrderDetailPageProps) {
   return (
     <div className="space-y-4">
       <OrderSummaryPanel order={order} />
+      <OrderNotesPanel notes={order.notes} onSave={onSaveNotes} />
       <div className="flex justify-end">
         <button className="rounded-md bg-red-600 px-4 py-2 text-sm font-medium text-white" onClick={() => void onCancel()} type="button">
           Cancel order

apps/web/src/orders/order-notes.tsx

@@ -0,0 +1,60 @@
+import { useState } from "react";
+
+export const NOTES_MAX_LENGTH = 1000;
+
+interface OrderNotesProps {
+  notes: string;
+  onSave: (notes: string) => Promise<void>;
+}
+
+export function OrderNotesPanel({ notes, onSave }: OrderNotesProps) {
+  const [draft, setDraft] = useState(notes);
+  const [isSaving, setIsSaving] = useState(false);
+  const trimmed = draft.trim();
+  const isDisabled = isSaving || trimmed.length === 0 || trimmed === notes;
+
+  async function handleSave() {
+    if (isDisabled) {
+      return;
+    }
+
+    setIsSaving(true);
+    try {
+      await onSave(trimmed);
+    } finally {
+      setIsSaving(false);
+    }
+  }
+
+  return (
+    <section className="rounded-xl border border-slate-200 bg-white p-4 shadow-sm">
+      <div className="mb-3 flex items-center justify-between">
+        <h3 className="text-sm font-semibold text-slate-700">Internal notes</h3>
+        <span className="text-xs text-slate-500">{draft.length}/{NOTES_MAX_LENGTH}</span>
+      </div>
+      {notes ? (
+        <p className="mb-3 whitespace-pre-wrap text-sm text-slate-700">{notes}</p>
+      ) : (
+        <p className="mb-3 text-sm text-slate-400">No internal notes yet. Add context for teammates following up on this order.</p>
+      )}
+      <textarea
+        className="w-full resize-y rounded-lg border border-slate-300 px-3 py-2 text-sm text-slate-900 focus:border-blue-500 focus:outline-none"
+        maxLength={NOTES_MAX_LENGTH}
+        onChange={(event) => setDraft(event.target.value)}
+        placeholder="Add internal notes..."
+        rows={3}
+        value={draft}
+      />
+      <div className="mt-3 flex justify-end">
+        <button
+          className="rounded-md bg-blue-600 px-4 py-2 text-sm font-medium text-white disabled:cursor-not-allowed disabled:opacity-50"
+          disabled={isDisabled}
+          onClick={() => void handleSave()}
+          type="button"
+        >
+          {isSaving ? "Saving..." : "Save notes"}
+        </button>
+      </div>
+    </section>
+  );
+}

apps/web/src/orders/order-page.tsx

@@ -2,7 +2,7 @@ import { useEffect, useState } from "react";
 import type { Address, AuditEvent, OrderDetail } from "@orderops/shared";
 import { Link, useParams } from "react-router-dom";
 import { Toast } from "../ui/toast";
-import { cancelOrder, getOrder, listAuditEvents, updateOrderItemQuantity, updateShippingAddress } from "./order-api";
+import { cancelOrder, getOrder, listAuditEvents, updateOrderItemQuantity, updateOrderNotes, updateShippingAddress } from "./order-api";
 import { OrderDetailPage } from "./order-detail-page";
 
 interface ToastState {
@@ -86,6 +86,7 @@ export function OrderPage() {
           auditEvents={auditEvents}
           onUpdateQuantity={(itemId, quantity) => runAction(() => updateOrderItemQuantity(order.id, itemId, quantity), "Quantity saved.")}
           onSaveAddress={(address: Address) => runAction(() => updateShippingAddress(order.id, address), "Shipping address saved.")}
+          onSaveNotes={(notes: string) => runAction(() => updateOrderNotes(order.id, notes), "Notes saved.")}
           onCancel={() => runAction(() => cancelOrder(order.id), "Order cancelled.")}
         />
       ) : null}