feat: wire multi-agent config and routing

Co-authored-by: Mark Pors <1078320+pors@users.noreply.github.com>

src/commands/models/shared.ts

@@ -69,7 +69,7 @@ export function resolveModelTarget(params: {
 
 export function buildAllowlistSet(cfg: ClawdbotConfig): Set<string> {
   const allowed = new Set<string>();
-  const models = cfg.agent?.models ?? {};
+  const models = cfg.agents?.defaults?.models ?? {};
   for (const raw of Object.keys(models)) {
     const parsed = parseModelRef(String(raw ?? ""), DEFAULT_PROVIDER);
     if (!parsed) continue;