Antagonist handoff — post-5.8 (short)

Canonical doctrine: interesting-saas-context.md Playbook: .claude/commands/improve/strategies/interesting_product.md Portfolio: scripts/interesting_product_portfolio.py · improve/oral-history.md

Do not re-read multi-page investigation dumps for every Goal B cycle.

residual=0 → Goal B depth (closed menu) + still proof — not dual-open as product.
Label harness_only when only walks/hops. Fleet human ~5.8 until recapture re-score.

Goal	Proof
A Functional	residual, walks, dual-open OK as harness
B Interesting	depth_id + hero still mtime; honor portfolio pick

Detail, depth menu, dual-open cap, research arms → interesting-saas-context.md only.