Release notes: physics game-dev readiness¶

Date: 2026-05-16
Repo: lic
Branch: feat/physics-game-dev

Summary¶

Merges feat/physics-module-packages with Vision-LLM JSON fix (type.index), game-dev guide, and runtime defaults (60 Hz, 4 substeps).

Added¶

• docs/physics/GAME_DEV.md — packages, benches, engine checklist
• examples/game_physics_smoke/ — fixed-tick loop shape
• li-tests/physics/game_runtime_smoke.li

Changed¶

• compiler/diagnostics/diagnostics.cpp — agent codes (E0201 → type.index) in JSON output
• li-std-physics-runtime — physics_world_game_default, default substeps = 4

Benchmarks¶

Tier-2 game benches present: rigid_body_stack, ragdoll_chain, cloth_swing, euler_fluid_2d, sph_dam_break_2d, …

Paired¶

• Merge #4 (fix/typecheck-ctx-init) before this branch to main
• benchmarks catalog ingest after lic merge