Add new page to Next.js application with App Router conventions
/plugin marketplace add vanman2024/ai-dev-marketplace/plugin install nextjs-frontend@ai-dev-marketplace<page-name>--- šØ **EXECUTION NOTICE FOR CLAUDE** When you invoke this command via SlashCommand, the system returns THESE INSTRUCTIONS below. **YOU are the executor. This is NOT an autonomous subprocess.** - ā The phases below are YOUR execution checklist - ā YOU must run each phase immediately using tools (Bash, Read, Write, Edit, TodoWrite) - ā Complete ALL phases before considering this command done - ā DON't wait for "the command to complete" - YOU complete it by executing the phases - ā DON't treat this as status output - it IS your instruction set **Immediately after SlashCommand returns, st...