Add a new Markdown file containing a detailed test plan and report prompt for the AI agent API, and register it in the agent assets metadata. Replit-Commit-Author: Agent Replit-Commit-Session-Id: 418bf6f8-212b-4bb0-a7a5-8231a061da4e Replit-Commit-Checkpoint-Type: full_checkpoint Replit-Commit-Event-Id: baaad612-0d55-41f8-983d-e1104c552e18 Replit-Helium-Checkpoint-Created: true