Clear all is_master flags before electing new master to prevent multiple master records. Fix setMaster annotation from @auth true to proper @NodeAnotation format so permission node is generated correctly.
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
T5: TimerServiceBase.syncConfigToDatabase() - syncs task config to DB
T6: HostServiceBase - auto master election, stale node detection,
getMasterNode/setMasterNode methods
