fix(23): resolve UAT issues — duplicate header, image position, catalog submit style

- Remove duplicate back arrow/header from ManualEntryForm (overlay already shows it)
- Move ImageUpload to top of ManualEntryForm for visual cohesion
- Change "Submit to Catalog?" from text link to checkbox-style toggle

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/client/components/CatalogSearchOverlay.tsx

@@ -23,6 +23,7 @@ export function CatalogSearchOverlay() {
 	const [viewMode, setViewMode] = useState<ViewMode>("grid");
 	const [manualEntryMode, setManualEntryMode] = useState(false);
 	const [savedItemName, setSavedItemName] = useState<string | null>(null);
+	const [catalogSubmitted, setCatalogSubmitted] = useState(false);
 
 	// Range filters (client-side)
 	const [weightMin, setWeightMin] = useState(0);
@@ -89,6 +90,7 @@ export function CatalogSearchOverlay() {
 			setPriceMax(100000);
 			setManualEntryMode(false);
 			setSavedItemName(null);
+			setCatalogSubmitted(false);
 		}
 	}, [catalogSearchOpen]);
 
@@ -115,6 +117,7 @@ export function CatalogSearchOverlay() {
 	function handleAddAnother() {
 		setManualEntryMode(false);
 		setSavedItemName(null);
+		setCatalogSubmitted(false);
 	}
 
 	const navigate = useNavigate();
@@ -162,6 +165,7 @@ export function CatalogSearchOverlay() {
 											? () => {
 													setManualEntryMode(false);
 													setSavedItemName(null);
+													setCatalogSubmitted(false);
 												}
 											: closeCatalogSearch
 									}
@@ -472,14 +476,43 @@ export function CatalogSearchOverlay() {
 									</p>
 									<button
 										type="button"
-										onClick={() =>
+										onClick={() => {
+											setCatalogSubmitted(true);
 											toast(
 												"Coming soon — catalog submissions are on the roadmap!",
-											)
-										}
-										className="mt-3 text-sm text-blue-600 hover:text-blue-800 underline underline-offset-2"
+											);
+										}}
+										disabled={catalogSubmitted}
+										className={`mt-3 inline-flex items-center gap-2 text-sm px-3 py-1.5 rounded-full border transition-colors ${
+											catalogSubmitted
+												? "border-green-300 bg-green-50 text-green-700 cursor-default"
+												: "border-gray-300 text-gray-600 hover:border-blue-300 hover:text-blue-600 hover:bg-blue-50"
+										}`}
 									>
-										Submit to Catalog?
+										<span
+											className={`inline-flex items-center justify-center w-4 h-4 rounded border transition-colors ${
+												catalogSubmitted
+													? "border-green-500 bg-green-500"
+													: "border-gray-300"
+											}`}
+										>
+											{catalogSubmitted && (
+												<svg
+													className="w-3 h-3 text-white"
+													fill="none"
+													stroke="currentColor"
+													viewBox="0 0 24 24"
+												>
+													<path
+														strokeLinecap="round"
+														strokeLinejoin="round"
+														strokeWidth={3}
+														d="M5 13l4 4L19 7"
+													/>
+												</svg>
+											)}
+										</span>
+										Submit to Catalog
 									</button>
 									<div className="flex gap-4 mt-6">
 										<button
@@ -503,10 +536,6 @@ export function CatalogSearchOverlay() {
 								<ManualEntryForm
 									initialName={searchInput}
 									onSuccess={handleManualSuccess}
-									onBack={() => {
-										setManualEntryMode(false);
-										setSavedItemName(null);
-									}}
 								/>
 							) : (
 								/* Normal catalog results */