fix(locker): revert to onClick and add error feedback to slot picker

- Revert onPointerDown back to onClick for item selection
- Add error state to display server action failures to user
- Add pending state to disable buttons during submission
- Update onPick to return ActionResult for error handling

src/components/frontend/locker/WardrobePanel.tsx

@@ -62,7 +62,7 @@ export function WardrobePanel({ userName, loadouts, equippedLoadout, items }: Wa
   }
 
   async function handlePick(slotName: string, assetId: number | null) {
-    if (!equippedLoadout) return;
+    if (!equippedLoadout) return { success: false, error: "No loadout equipped." };
     setBusy(true);
     const res = await setLoadoutSlot(equippedLoadout.id, slotName, assetId);
     setBusy(false);
@@ -70,6 +70,7 @@ export function WardrobePanel({ userName, loadouts, equippedLoadout, items }: Wa
       setPickerSlot(null);
       router.refresh();
     }
+    return res;
   }
 
   const pickerLayout = pickerSlot ? getWardrobeSlot(pickerSlot) : null;

src/components/frontend/locker/WardrobeSlotPicker.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { useMemo } from "react";
+import { useMemo, useState } from "react";
 import type { Asset } from "@/payload-types";
 import { Button } from "@/components/ui/button";
 import {
@@ -22,7 +22,7 @@ interface WardrobeSlotPickerProps {
   items: LockerGridItem[];
   currentValue: number | Asset | null;
   busy: boolean;
-  onPick: (assetId: number | null) => void;
+  onPick: (assetId: number | null) => Promise<{ success: boolean; error?: string }>;
 }
 
 function resolveCurrentId(value: number | Asset | null): number | null {
@@ -40,6 +40,9 @@ export function WardrobeSlotPicker({
   busy,
   onPick,
 }: WardrobeSlotPickerProps) {
+  const [error, setError] = useState<string | null>(null);
+  const [pending, setPending] = useState(false);
+
   const options = useMemo(() => {
     const types = new Set(slot.assetTypes);
     const seen = new Set<number>();
@@ -53,6 +56,21 @@ export function WardrobeSlotPicker({
 
   const currentId = resolveCurrentId(currentValue);
 
+  async function handlePick(assetId: number | null) {
+    setError(null);
+    setPending(true);
+    try {
+      const res = await onPick(assetId);
+      if (!res.success) {
+        setError(res.error ?? "Failed to equip item.");
+      }
+    } catch (e) {
+      setError(e instanceof Error ? e.message : "An unexpected error occurred.");
+    } finally {
+      setPending(false);
+    }
+  }
+
   return (
     <Dialog open={open} onOpenChange={onOpenChange}>
       <DialogContent className="max-h-[85vh] overflow-y-auto">
@@ -63,6 +81,12 @@ export function WardrobeSlotPicker({
           </DialogDescription>
         </DialogHeader>
 
+        {error && (
+          <div className="rounded-md border border-red-500/50 bg-red-500/10 px-3 py-2 text-sm text-red-400">
+            {error}
+          </div>
+        )}
+
         <div className="flex flex-col gap-1.5">
           {options.length === 0 && (
             <p className="text-sm text-muted-foreground py-2">
@@ -75,11 +99,8 @@ export function WardrobeSlotPicker({
               <button
                 key={entry.assetId}
                 type="button"
-                disabled={busy}
-                onPointerDown={(e) => {
-                  e.preventDefault();
-                  onPick(entry.assetId);
-                }}
+                disabled={busy || pending}
+                onClick={() => handlePick(entry.assetId)}
                 className={cn(
                   "flex items-center gap-3 rounded-md border px-3 py-2 text-left text-sm transition-colors",
                   selected
@@ -103,23 +124,13 @@ export function WardrobeSlotPicker({
         <DialogFooter>
           <Button
             variant="outline"
-            disabled={busy}
-            onPointerDown={(e) => {
-              e.preventDefault();
-              onOpenChange(false);
-            }}
+            disabled={busy || pending}
+            onClick={() => onOpenChange(false)}
           >
             Cancel
           </Button>
           {currentId != null && (
-            <Button
-              variant="ghost"
-              disabled={busy}
-              onPointerDown={(e) => {
-                e.preventDefault();
-                onPick(null);
-              }}
-            >
+            <Button variant="ghost" disabled={busy || pending} onClick={() => handlePick(null)}>
               Clear Slot
             </Button>
           )}