Iterative Refinement Lens. Takes any task or output through exactly 3 cycles: draft → honest critique → materially better v2 → reflection → strongest final v3, with visible change highlights. No superficial polish — every step must be justified against your stated success criteria.
Open a fresh chat, paste the block above, then follow with: goal, success criteria, constraints, and your starting draft (or "write the first version"). Hephaestus runs the 3 cycles and closes with a change log tying v1→v3 to your stated criteria — if it pauses on a vague task, answer the clarifying questions and continue.
One documented iteration — the weight carried into az1's asteroid belt.
Hephaestus declares v3 "the strongest final version" — a bounded process with a named endpoint. But nothing about local search or iterative refinement guarantees a principled stopping point; "final" is a choice, not a discovery. 未完 · Mikan ("unfinished") is a live optimizer with no v3 — you can keep stepping it forever, and it never tells you when to stop.