chore: checkpoint pi lab rust integration work

rust/crates/control-plane/src/sqlite.rs

@@ -2622,10 +2622,14 @@ impl ControlPlaneStore for SqliteControlPlaneStore {
         let conn = self.lock_conn()?;
         let mut stmt = conn.prepare(
             "SELECT id, user_id, workspace_id, document_id, session_id, run_id, profile, acp_runtime, event_type, payload_json, created_at
-             FROM ai_runtime_events
-             WHERE user_id = ?1 AND run_id = ?2
-             ORDER BY created_at ASC
-             LIMIT ?3",
+             FROM (
+                 SELECT id, user_id, workspace_id, document_id, session_id, run_id, profile, acp_runtime, event_type, payload_json, created_at, rowid AS event_rowid
+                 FROM ai_runtime_events
+                 WHERE user_id = ?1 AND run_id = ?2
+                 ORDER BY created_at DESC, rowid DESC
+                 LIMIT ?3
+             )
+             ORDER BY created_at ASC, event_rowid ASC",
         )?;
         let rows = stmt
             .query_map(
@@ -4225,6 +4229,70 @@ mod tests {
             .is_empty());
     }
 
+    #[test]
+    fn ai_runtime_events_preserve_insert_order_with_same_timestamp() {
+        let store = store();
+        create_user(&store, "ai_runtime_order_user");
+        store
+            .upsert_ai_runtime_run(UpsertAiRuntimeRunInput {
+                id: None,
+                user_id: "ai_runtime_order_user".to_string(),
+                workspace_id: Some("ws_order".to_string()),
+                document_id: Some("doc_order".to_string()),
+                session_id: "sess_order".to_string(),
+                run_id: "run_order".to_string(),
+                title: Some("order test".to_string()),
+                profile: "pi_lab".to_string(),
+                acp_runtime: "pi".to_string(),
+                trace_id: None,
+                status: "running".to_string(),
+                runtime_json: "{}".to_string(),
+                payload_json: "{}".to_string(),
+            })
+            .expect("insert runtime run");
+        for (id, payload) in [
+            ("are_z_first", "{\"seq\":1}"),
+            ("are_m_second", "{\"seq\":2}"),
+            ("are_a_third", "{\"seq\":3}"),
+        ] {
+            store
+                .append_ai_runtime_event(AppendAiRuntimeEventInput {
+                    id: Some(id.to_string()),
+                    user_id: "ai_runtime_order_user".to_string(),
+                    workspace_id: Some("ws_order".to_string()),
+                    document_id: Some("doc_order".to_string()),
+                    session_id: "sess_order".to_string(),
+                    run_id: "run_order".to_string(),
+                    profile: "pi_lab".to_string(),
+                    acp_runtime: "pi".to_string(),
+                    event_type: "pi_rpc_event".to_string(),
+                    payload_json: payload.to_string(),
+                })
+                .expect("append ordered runtime event");
+        }
+
+        let events = store
+            .list_ai_runtime_events("ai_runtime_order_user", "run_order", 10)
+            .expect("list runtime events");
+        assert_eq!(
+            events
+                .iter()
+                .map(|event| event.id.as_str())
+                .collect::<Vec<_>>(),
+            vec!["are_z_first", "are_m_second", "are_a_third"]
+        );
+
+        let tail = store
+            .list_ai_runtime_events("ai_runtime_order_user", "run_order", 2)
+            .expect("list runtime tail events");
+        assert_eq!(
+            tail.iter()
+                .map(|event| event.id.as_str())
+                .collect::<Vec<_>>(),
+            vec!["are_m_second", "are_a_third"]
+        );
+    }
+
     #[test]
     fn ai_runtime_session_management_renames_auto_titles_and_soft_deletes() {
         let store = store();

rust/crates/control-plane/src/turso.rs

@@ -3146,10 +3146,14 @@ impl ControlPlaneStore for TursoControlPlaneStore {
         let conn = self.lock_conn()?;
         let mut stmt = conn.prepare(
             "SELECT id, user_id, workspace_id, document_id, session_id, run_id, profile, acp_runtime, event_type, payload_json, created_at
-             FROM ai_runtime_events
-             WHERE user_id = ?1 AND run_id = ?2
-             ORDER BY created_at ASC
-             LIMIT ?3",
+             FROM (
+                 SELECT id, user_id, workspace_id, document_id, session_id, run_id, profile, acp_runtime, event_type, payload_json, created_at
+                 FROM ai_runtime_events
+                 WHERE user_id = ?1 AND run_id = ?2
+                 ORDER BY created_at DESC, id DESC
+                 LIMIT ?3
+             )
+             ORDER BY created_at ASC, id ASC",
         )?;
         let rows = stmt
             .query_map(