fix: thread accountId through subagent announce

Co-authored-by: Adam Holt <adam91holt@users.noreply.github.com>

src/agents/clawdbot-tools.ts

@@ -108,6 +108,7 @@ export function createClawdbotTools(options?: {
     createSessionsSpawnTool({
       agentSessionKey: options?.agentSessionKey,
       agentChannel: options?.agentChannel,
+      agentAccountId: options?.agentAccountId,
       sandboxed: options?.sandboxed,
     }),
     createSessionStatusTool({