fix(progress): separate model warmup state

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

src/routes/api/jobs/[id]/+server.ts

@@ -9,7 +9,7 @@ export async function GET({ params }) {
 	return json(job);
 }
 
-const ACTIVE = new Set(['pending', 'downloading', 'preparing', 'transcribing', 'processing']);
+const ACTIVE = new Set(['pending', 'downloading', 'preparing', 'warming_model', 'transcribing', 'processing']);
 
 export async function DELETE({ params }) {
 	const job = getJob(params.id);