core: type agent timestamps

apps/admin-api/src/service.rs

@@ -2684,7 +2684,7 @@ impl AdminService {
             )));
         }
 
-        let now = now_string()?;
+        let now = OffsetDateTime::now_utc();
         let agent_id = AgentId::new(new_prefixed_id("agent"));
         let agent = Agent {
             id: agent_id.clone(),
@@ -2695,8 +2695,8 @@ impl AdminService {
             status: AgentStatus::Draft,
             current_draft_version: 1,
             latest_published_version: None,
-            created_at: now.clone(),
-            updated_at: now.clone(),
+            created_at: now,
+            updated_at: now,
             published_at: None,
         };
         let version = AgentVersion {
@@ -2752,7 +2752,7 @@ impl AdminService {
             )));
         }
 
-        let updated_at = now_string()?;
+        let updated_at = OffsetDateTime::now_utc();
         self.registry
             .update_agent_summary(
                 workspace_id,
@@ -2767,7 +2767,7 @@ impl AdminService {
         Ok(AgentMutationResult {
             agent_id: agent_id.as_str().to_owned(),
             workspace_id: workspace_id.as_str().to_owned(),
-            updated_at,
+            updated_at: format_timestamp(updated_at),
         })
     }
 
@@ -2790,7 +2790,7 @@ impl AdminService {
         Ok(AgentMutationResult {
             agent_id: agent_id.as_str().to_owned(),
             workspace_id: workspace_id.as_str().to_owned(),
-            updated_at: existing.updated_at,
+            updated_at: format_timestamp(existing.updated_at),
         })
     }
 
@@ -2840,7 +2840,7 @@ impl AdminService {
         agent_id: &AgentId,
         version: u32,
     ) -> Result<PublishAgentResponse, ApiError> {
-        let published_at = now_string()?;
+        let published_at = OffsetDateTime::now_utc();
         self.registry
             .publish_agent(PublishAgentRequest {
                 workspace_id,
@@ -2856,7 +2856,7 @@ impl AdminService {
             agent_id: agent_id.as_str().to_owned(),
             workspace_id: workspace_id.as_str().to_owned(),
             published_version: version,
-            published_at,
+            published_at: format_timestamp(published_at),
         })
     }
 
@@ -2867,7 +2867,7 @@ impl AdminService {
         agent_id: &AgentId,
     ) -> Result<AgentMutationResult, ApiError> {
         self.ensure_workspace_exists(workspace_id).await?;
-        let updated_at = now_string()?;
+        let updated_at = OffsetDateTime::now_utc();
         self.registry
             .unpublish_agent(workspace_id, agent_id, &updated_at)
             .await?;
@@ -2876,7 +2876,7 @@ impl AdminService {
         Ok(AgentMutationResult {
             agent_id: agent_id.as_str().to_owned(),
             workspace_id: workspace_id.as_str().to_owned(),
-            updated_at,
+            updated_at: format_timestamp(updated_at),
         })
     }
 
@@ -2887,7 +2887,7 @@ impl AdminService {
         agent_id: &AgentId,
     ) -> Result<AgentMutationResult, ApiError> {
         self.ensure_workspace_exists(workspace_id).await?;
-        let updated_at = now_string()?;
+        let updated_at = OffsetDateTime::now_utc();
         self.registry
             .archive_agent(workspace_id, agent_id, &updated_at)
             .await?;
@@ -2896,7 +2896,7 @@ impl AdminService {
         Ok(AgentMutationResult {
             agent_id: agent_id.as_str().to_owned(),
             workspace_id: workspace_id.as_str().to_owned(),
-            updated_at,
+            updated_at: format_timestamp(updated_at),
         })
     }
 
@@ -4946,9 +4946,9 @@ fn map_agent_summary_view(summary: AgentSummary) -> AgentSummaryView {
         status: summary.status,
         current_draft_version: summary.current_draft_version,
         latest_published_version: summary.latest_published_version,
-        created_at: summary.created_at,
-        updated_at: summary.updated_at,
-        published_at: summary.published_at,
+        created_at: format_timestamp(summary.created_at),
+        updated_at: format_timestamp(summary.updated_at),
+        published_at: summary.published_at.map(format_timestamp),
         operation_count: 0,
         operation_ids: Vec::new(),
         key_count: 0,