core: type observability timestamps

2026-04-19 07:53:15 +00:00
parent 153f9cb108
commit 899440fd8a
6 changed files with 61 additions and 11 deletions
@@ -130,7 +130,8 @@ pub struct UsageRollupRecord {

 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub struct UsageTimelinePoint {
-    pub bucket_start: String,
+    #[serde(with = "time::serde::rfc3339")]
+    pub bucket_start: OffsetDateTime,
    pub calls_ok: u64,
    pub calls_error: u64,
 }