Plan: Phase 2 reference notes, CLVM costing learnings and muladd - #15
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Two notes requested by Evan (2026-07-29) so they are not lost when Phase 2 design starts. First, per-condition costing reads Chia's deployed condition costs and the CHIP-0049 revisions (base cost past a free tier, announcements always priced, cap removed for pricing) before we design ours, with the free-tier carve-out and the announcement-to-message mapping called out as decisions to make rather than inherit. Second, the taproot-output-construction question: bllsh solves it in-language with secp256k1_muladd, our architecture points to a condition form the validator computes natively, decided when CONDITIONS.md v0 is drafted.
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What changed
One commit adding a Reference material for this phase block to the Phase 2 section of
docs/execution-plan.md. No spec, implementation, or vector changes. This is plan flesh, not skeleton: no gate, ordering, or done-criterion changes.Why
Requested by Evan (2026-07-29): make sure Phase 2 design starts from CLVM's deployed learnings, and record the secp256k1_muladd discussion before it gets lost.
How to verify
git diff main -- docs/execution-plan.mdis the entire change.PATH=.venv/bin:$PATH ci/lint/lint.sh