исправить: закрыть ревью сквозной корреляции

crates/crank-community-mcp/src/app/invocation_history.rs

@@ -52,9 +52,7 @@ pub(crate) async fn persist_invocation(
 
     let history_span = Stage::HistoryWrite.span();
     let (outcome, db_span) = async {
-        let db_span = Stage::DbQuery
-            .db_span(DbOperation::InvocationHistoryWrite)
-            .expect("database stage");
+        let db_span = DbOperation::InvocationHistoryWrite.span();
         let outcome = state
             .registry
             .create_invocation_log(CreateInvocationLogRequest { log: &log })
@@ -82,7 +80,7 @@ pub(crate) async fn persist_invocation(
         outcome,
         record.request_id,
         record.status,
-        "agent_tool_call",
+        InvocationSource::AgentToolCall,
     );
     outcome
 }
@@ -91,7 +89,7 @@ pub(super) fn observe_invocation_history_outcome(
     outcome: InvocationHistoryWriteOutcome,
     request_id: Option<&str>,
     status: InvocationStatus,
-    source: &'static str,
+    source: InvocationSource,
 ) {
     let Some(loss) = outcome.loss() else {
         return;
@@ -102,13 +100,20 @@ pub(super) fn observe_invocation_history_outcome(
     warn!(
         name: "mcp.invocation_history.lost",
         request_id = request_id.unwrap_or_default(),
-        source,
+        source = invocation_source_label(source),
         invocation_status = invocation_status_label(status),
         error_category = loss.category.as_str(),
         "invocation history was not recorded"
     );
 }
 
+fn invocation_source_label(source: InvocationSource) -> &'static str {
+    match source {
+        InvocationSource::AdminTestRun => "admin_test_run",
+        InvocationSource::AgentToolCall => "agent_tool_call",
+    }
+}
+
 fn invocation_status_label(status: InvocationStatus) -> &'static str {
     match status {
         InvocationStatus::Ok => "ok",

crates/crank-community-mcp/src/app/tests.rs

@@ -75,7 +75,7 @@ fn emits_bounded_history_loss_incident() {
         }),
         Some("req_mcp_dc08"),
         InvocationStatus::Ok,
-        "agent_tool_call",
+        crank_core::InvocationSource::AgentToolCall,
     );
 
     let output = writer.output();