Pattern Implementation Summary

Pattern Files
ARC-001 (font ref counting + name loading) font_system.c/.h
TEX-001 (hardware-decoded compression) via sh_tex_load in asset loading
STR-002 (metadata-first layout) asset_metadata.c/.h
TEX-002 (per-scene font atlas) font_atlas.c/.h (7 segments)
ARC-002 (atomic scene bundle) terminal_state.c/.h