SB-008-SPECTRE_INTEGRATION.md (P0, 379 lines)

• Integration with all 8 SPECTRE interface specifications
• Specs used: Spec 1 (VMU - P1), Spec 2 (SH4 Math - P0), Spec 3 (Asset Formats - P1), Spec 4 (Material - P1), Spec 8 (Profiler - P0); Specs 5/6/7 are optional/future
• Architecture: D3-TUI Core → SPECTRE Wrapper Layer (d3tui_shachi.h/.c) → SPECTRE Specs → KOS
• API: d3tui_shachi_init/shutdown/is_available, plus per-spec wrappers
• Build integration: conditional compilation via D3TUI_USE_SPECTRE macro, links -lshachi
• SPECTRE path: /from/library/polygon/SPECTRE