GAOS Turn-Based Grid SDK v0.8.0

Reusable grid mechanisms\n\n- breadth-first once-per-identity chain reactions\n- path projectile microsteps and bounded full-flight passes\n- all-or-nothing push-chain planning and deterministic commit ordering\n- ordered arrival-rule dispatch\n- neutral multi-resource claim arbitration\n- directed transport proposals and bounded runs\n- connected link-source mapping and transport/state interlocks\n\nAll mechanisms accept product-owned world, collision, effect, token, and presentation policies.