ce371ffe13
Multi-lane any-type pass-through node ("rail"): in_i -> out_i, empty lane
-> ExecutionBlocker; +/- to add/remove lanes (bottom in P1, top with
wiring-preserving remap in P2). Pure build_outputs + shared AnyType; lazy
comfy import keeps it unit-testable. No IS_CHANGED (transparent passthrough).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>