alert history work

- dedup error handling
- alert now clears with observation_retenstion_seconds
- evaluate recent alerts once per server per 5s
- some iter stuff, some type stuff, and some store api stuff.

wakey-control-plane/src/config/types.rs

@@ -13,7 +13,6 @@ pub struct DaemonConfig {
     pub state_file: PathBuf,
     pub command_timeout: Duration,
     pub enroll_token_ttl: Duration,
-    #[allow(dead_code)]
     pub observation_retention: Duration,
     pub pid_file: PathBuf,
     pub ui_dist_dir: PathBuf,