Iter 39 — captures the 8 concrete lessons the SOTA /loop sprint learned
the hard way (cross-branch checkout incidents in iter 17-19, silent
absorption of foreign-branch Cargo.toml work in iter 18 → revert in
ca2059b07, fuzz-target stub gap in iter 11 → CI fail discovered in
iter 38). Future /loop or /loop-worker runs against THIS repo should
read these before kicking off a long autonomous sprint.
Key recommendations:
1. git branch --show-current at the start of every iter
2. git diff --cached before every commit after a branch switch
3. Document sibling-region ownership in this file
4. Extract pure helpers before committing inline mutations
(sync_snapshot, apply_sync_packet, fleet_role_counts patterns)
5. Cross-language wire-format pin in BOTH languages at the SAME iter
6. Helper tests > integration tests when state is heavy
7. Add fuzz stubs in the same commit as the firmware symbol they
mirror (iter 38 caught c6_sync_espnow_is_valid this way)
8. Reserve irreversible checkpoints (tag, release, PR ready) for
iters with surplus confidence from prior CI evidence
Co-Authored-By: claude-flow <ruv@ruv.net>
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