PLAN.md projects the frozen 150-question frontier (Q11-Q160) plus the
gap-review addendum (Q161-Q188): M0 spike, verification tiers, Ghidra
write-back, 1M-context atlas strategy, agentic worker, project assembly,
steering and Investigator. Research tool state is gitignored.
Co-Authored-By: Claude Opus 5.5 <[email protected]>