feat: add observability api foundation

apps/mcp-server/src/main.rs

@@ -57,7 +57,8 @@ mod tests {
     };
     use crank_mapping::{MappingRule, MappingSet};
     use crank_registry::{
-        CreateAgentRequest, PostgresRegistry, PublishAgentRequest, PublishRequest,
+        CreateAgentRequest, ListInvocationLogsQuery, PostgresRegistry, PublishAgentRequest,
+        PublishRequest,
     };
     use crank_schema::{Schema, SchemaKind};
     use serde_json::{Value, json};
@@ -97,7 +98,7 @@ mod tests {
         publish_agent_for_operation(&registry, &operation, "sales-rest").await;
 
         let base_url = spawn_mcp_server(build_app(
-            registry,
+            registry.clone(),
             Duration::from_millis(0),
             Some("https://crank.example.com".to_owned()),
         ))
@@ -142,6 +143,28 @@ mod tests {
             json!({ "id": "lead_123" })
         );
         assert_eq!(call_result["result"]["isError"], false);
+
+        let logs = registry
+            .list_invocation_logs(ListInvocationLogsQuery {
+                workspace_id: &test_workspace_id(),
+                level: None,
+                search_text: None,
+                source: Some(crank_core::InvocationSource::AgentToolCall),
+                operation_id: Some(&operation.id),
+                agent_id: None,
+                created_after: None,
+                limit: 10,
+            })
+            .await
+            .unwrap();
+
+        assert_eq!(logs.len(), 1);
+        assert_eq!(
+            logs[0].log.source,
+            crank_core::InvocationSource::AgentToolCall
+        );
+        assert_eq!(logs[0].log.status, crank_core::InvocationStatus::Ok);
+        assert_eq!(logs[0].log.tool_name, "crm_create_lead");
     }
 
     #[tokio::test]