implement duration specifier for history

server/src/storage/mod.rs

@@ -65,7 +65,11 @@ impl TryFrom<&Row<'_>> for UptimeStorageModel {
 pub trait StorageRepository: Send + Sync {
     async fn record_message(&self, message: &StatusMessage) -> anyhow::Result<()>;
     async fn record_uptime(&self, agent: &str) -> anyhow::Result<()>;
-    async fn get_history(&self, agent: &str) -> anyhow::Result<Vec<StatusMessage>>;
+    async fn get_history(
+        &self,
+        agent: &str,
+        duration: Option<DateTime<Utc>>,
+    ) -> anyhow::Result<Vec<StatusMessage>>;
     async fn get_agents(&self) -> anyhow::Result<Vec<UptimeMessage>>;
 }