diff --git a/cmd/olliesrv/internal/agent/turn.go b/cmd/olliesrv/internal/agent/turn.go
index 21dca0c..a8c2a79 100644
--- a/cmd/olliesrv/internal/agent/turn.go
+++ b/cmd/olliesrv/internal/agent/turn.go
@@ -97,7 +97,7 @@ func (ag *Agent) executeTurn(ctx context.Context, input string) string {
 
 	// Prepend resolved user prompts (active global rules) to the user input.
 	if ag.runtime.UserPrompt != "" {
-		input = ag.runtime.UserPrompt + "\n\n" + input
+		input = "<context>\n" + ag.runtime.UserPrompt + "\n</context>\n\n" + input
 	}
 
 	ag.emit(Event{Role: "user", Content: input})