Building Mechanics Router Routes to 9 specialized skills based on game requirements. Routing Protocol 1. Classify — Single/multiplayer + scale + core features 2. Match — Apply signal matching rules below 3. Combine — Most games need 3-5 skills together 4. Load — Read matched SKILL.md files before implementation Quick Route Tier 1: Core Mechanics | Need | Skill | Signals | |------|-------|---------| | Spatial queries, collision | | slow, lag, optimize, spatial, collision, thousands | | Stability, damage, collapse | | stability, collapse, support, damage, Fortnite, Rust, Valheim | | Network syn…