soterion sigil glyph code_point role owner status last_reviewed SCROLL 📜 U+1F4DC directory_index HADES active 2026-05-21 🜏 Soterion: 📜 directory_index | owner: HADES | status: active | reviewed: 2026-05-21 Index: crates/annunimas-signal-grid Cargo.toml README.md src tests