{"key":"d5-s1-cancel-port","idea":"Port exactly-one-tick rival retreat cancel-and-suppress to spread 1.","approach":"Verified RC hash; appended a subclass active only on spread 1. Exactly-one-tick rival bid-down or ask-up cancels own orders on that side and suppresses all placements, clearing pb/pa and ask exposure as in RC. Tune four side/cooldown variants on 330000..330199, selecting highest paired mean on spread 1; freeze before the sole 440000..440499 holdout. RC remains unchanged on spreads 2, 3 and 4. Single-process, unmodified pinned simulator, default configs, 2000 steps.","tried":[{"name":"both1","code_sha256":"84ff682556a38e2daefd073db0fb53f0e64c495cc23f17bd3ba4fd312e32ba64","mean_diff":4.231431239409259,"se":6.403441411555579},{"name":"both2","code_sha256":"dbec2530437a4b0232fffe5f90aa7cfc44e8a17d3e5460e1f1f5c3f47b85da48","mean_diff":3.2021926317351834,"se":6.50158340170401},{"name":"bid1","code_sha256":"f77bffd1b2782d0b4f44ac4179df1a28a9f000e30296b2dd3de753a34954415d","mean_diff":-2.8081955731611137,"se":3.7920852019718105},{"name":"ask1","code_sha256":"adc45d5138e51be2db9357828e00fab309a2e84454f97134944b31ac5d49045a","mean_diff":-1.7143493074574085,"se":1.91097224214283}],"next":"Retain RC. The frozen both1 screen is inconclusive: overall gain 0.1120 with SE 0.8196, and spread-1 gain 0.3945 with SE 2.8929. Reduced arbitrage loss is largely offset by lost retail edge. Do not promote from this screen. Finalist seeds 900000..903999 were untouched.","code":"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