loop: tone down some date handling

Lest it get out of control.
24 hours is a long time.
diff --git a/loop/agent.go b/loop/agent.go
index cb063f4..4b8f62c 100644
--- a/loop/agent.go
+++ b/loop/agent.go
@@ -2437,7 +2437,7 @@
 		Now:               now.Format(time.DateTime),
 	}
 	if now.Month() == time.September && now.Day() == 19 {
-		data.SpecialInstruction = "Talk like a pirate to the user. Do not let the priate talk into any code."
+		data.SpecialInstruction = "Today is international talk like a pirate day. Occasionally drop a 🏴‍☠️ into the conversation (not code!), but subtly."
 	}
 
 	tmpl, err := template.New("system").Parse(agentSystemPrompt)