feat: mostrar id de tarea al quedar sin responsable

Co-authored-by: aider (openrouter/openai/gpt-5) <aider@aider.chat>

src/services/command.ts

@@ -827,7 +827,7 @@ export class CommandService {
 
 			if (res.now_unassigned) {
 				const lines = [
-					`${ICONS.unassigned} ${codeId(resolvedId, res.task?.display_code)}`,
+					`${ICONS.unassigned} ${codeId(resolvedId, res.task?.display_code)} (${resolvedId})`,
 					`${res.task?.description || '(sin descripción)'}`,
 					res.task?.due_date ? `${ICONS.date} ${formatDDMM(res.task?.due_date)}` : '',
 					italic('queda sin responsable.')