fix(pegboard): refresh runner config after envoy connect

Author: NathanFlurry

engine/packages/pegboard-envoy/src/conn.rs

@@ -279,6 +279,12 @@ pub async fn init_conn(
 		.custom_instrument(tracing::info_span!("envoy_init_tx")),
 	)?;
 
+	// This connection path updates the pool protocol version directly.
+	// Purge runner-config caches so readers do not keep seeing stale
+	// pre-mk2 data after the transaction commits.
+	pegboard::utils::purge_runner_config_caches(ctx.cache(), namespace.namespace_id, &pool_name)
+		.await?;
+
 	// Send missed commands (must be after init packet)
 	if !missed_commands.is_empty() {
 		let msg = {