feat(upload): label YouTube category options

app/admin/upload/client.tsx

@@ -35,6 +35,23 @@ import {
 import { Switch } from "@/components/ui/switch";
 import { Textarea } from "@/components/ui/textarea";
 
+const YOUTUBE_CATEGORIES = [
+	["1", "Film & Animation"],
+	["2", "Autos & Vehicles"],
+	["10", "Music"],
+	["15", "Pets & Animals"],
+	["17", "Sports"],
+	["19", "Travel & Events"],
+	["20", "Gaming"],
+	["22", "People & Blogs"],
+	["23", "Comedy"],
+	["24", "Entertainment"],
+	["25", "News & Politics"],
+	["26", "Howto & Style"],
+	["27", "Education"],
+	["28", "Science & Technology"],
+] as const;
+
 export function UploadForm() {
 	const formRef = useRef<HTMLFormElement>(null);
 	const uploadRequestRef = useRef<XMLHttpRequest | null>(null);
@@ -267,8 +284,8 @@ export function UploadForm() {
 					</FieldGroup>
 				</CardContent>
 				<CardFooter className="border-t text-sm text-muted-foreground">
-					YouTube uploads default to category 20 (Gaming). You can change it
-					in the YouTube settings.
+					YouTube uploads default to 20 — Gaming. The category dropdown shows
+					the meaning of every supported ID.
 				</CardFooter>
 			</Card>
 
@@ -308,16 +325,28 @@ export function UploadForm() {
 
 							<Field>
 								<FieldLabel htmlFor="category">Category ID</FieldLabel>
-								<Input
-									id="category"
+								<Select
 									value={youtube.categoryId}
-									onChange={(event) =>
+									onValueChange={(value) =>
 										setYoutube((state) => ({
 											...state,
-											categoryId: event.target.value,
+											categoryId: value,
 										}))
 									}
-								/>
+								>
+									<SelectTrigger id="category">
+										<SelectValue />
+									</SelectTrigger>
+									<SelectContent>
+										<SelectGroup>
+											{YOUTUBE_CATEGORIES.map(([id, label]) => (
+												<SelectItem key={id} value={id}>
+													{id} — {label}
+												</SelectItem>
+											))}
+										</SelectGroup>
+									</SelectContent>
+								</Select>
 							</Field>
 
 							<Field>