Two Greek-lettered phases (Θ instrument overhaul, Ξ resample loop): sequenced waves, parallel tracks on disjoint surfaces, per-track acceptance criteria, carried-forward open questions, traceability table. TODO-1.0.md retained as verbatim-provenance appendix.
Split root CLAUDE.md into 19 per-directory files scoped to their source area. Roll v0 history into docs/ARCHIVE.md; retire CONTEXT.md, CONTEXT-ARCHIVE.md, PLAN.md, COMPLETED.md. Move plan docs under docs/. Rescue 9 live deferrals into docs/TODO.md.
daniel