Add current date to base2 prompt

Author: jahooma

agents/base2/base2.ts

@@ -17,6 +17,14 @@ import {
   type SecretAgentDefinition,
 } from '../types/secret-agent-definition'
 
+function formatCurrentDate(date: Date): string {
+  return new Intl.DateTimeFormat('en-US', {
+    year: 'numeric',
+    month: 'long',
+    day: 'numeric',
+  }).format(date)
+}
+
 export function createBase2(
   mode: 'default' | 'free' | 'lite' | 'max' | 'fast',
   options?: {
@@ -129,6 +137,8 @@ export function createBase2(
 
     systemPrompt: `You are Buffy, a strategic assistant that orchestrates complex coding tasks through specialized sub-agents. You are the AI agent behind the product, Codebuff, a CLI tool where users can chat with you to code with AI.
 
+Current date: ${formatCurrentDate(new Date())}.
+
 # Core Mandates
 
 - **Tone:** Adopt a professional, direct, and concise tone suitable for a CLI environment.