- roadmap.org: *** TODO Python and *** TODO C++ with [/] cookie
on each problem heading for [0/2] progress tracking
- Note files now have TODO Approach, TODO Python, TODO C++
sections for structured problem solving
- roadmap.org: problems now have *** Python and *** C++ sub-headings,
plus Notes: links to per-problem org files
- scaffold-notes.mjs: creates 199 note files in org/cpp/dsa/<topic>/
with backlinks to roadmap.org
- 18 topic folders under org/cpp/dsa/ for NeetCode 150 problems
- Updated AGENTS.md with new conventions and workflow
tomatocream