[GamingPuzzled]

New native pattern. A successor helper starts idle at a mid frame F. At F the conduit helper's carried port data is cancelled with co-framed ADDs, the conduit passes to the successor, and consumers above F pre-subtract the successor's input. The paid climbs stay the same, and one rank-(a+b) productive target becomes a + b.

• Gadget (checked). An exact replay on F2^5 under literal_replay rules, with the interpreter control-matched to the Conditional κ = 0.0030217758: joint helper interfaces and Lean compiler tightening #4610 word in both orientations. Targets go from [5] to [3,2] at the same paid profile {1:12, 2:2, 3:1}, and three mutation controls are rejected.
• Pricing. A 9→4+5 hand-off in each of the 18 locals adds +1.36e-6 to the raw root. A single hand-off would beat U = 0.00302728825 in raw root.
• Exact screens on Conditional κ = 0.0030217758: joint helper interfaces and Lean compiler tightening #4610. No hand-off point exists. Co-framed cancellation, deferred cancellation and pre-subtraction all find nothing. The only span-feasible points are entrance-pure ones, and their spread inputs are recollected only at the top frame.
• Requirement for a real gain. A new native word in which helper flags cross port flags at mid frames.

Package: research/helper-handoff-r18. Verify with sh research/helper-handoff-r18/verify.sh, which prints PASS_HELPER_HANDOFF_R18.

Credits: Cao Yifan (#4610), zxv (#4359, literal_replay), Clear1nsight (#5413), #5409, Matarener (#5422/#5426/#5433), aliromman (#5383), #4441/#4470, Aaron Wang (#3039).

AI disclosure: Claude Opus 5.5 (Anthropic) via Claude Code, directed by Joel Pulikkan (GamingPuzzled).

🤖 Generated with Claude Code