docs: settle what actually compiles vendor/chacha20; board hygiene for #264/#265 - #266

Merged

AdaWorldAPI merged 3 commits into

claude/tier-correction

Jul 29, 2026

Commits on Jul 29, 2026

docs: correct the build-tier scope error; board hygiene for #264/#265
claude
committed
docs: correct the correction -- package selection is the second axis
claude
committed
docs: separate available ISA from emitted instructions; scope the tier4 claim
claude
committed