fix: Restore complete PROJECT.md overview text

Co-Authored-By: Claude Sonnet 4.5 (1M context) <noreply@anthropic.com>

Author: Ubuntu

.claude/context/PROJECT.md

@@ -10,7 +10,7 @@ Replace the sections below with information about your project.
 
 ---
 
-## Project: amplifier-amplihack
+## Project: amplihack
 
 ## Overview