| 2 | ✦ |
| 3 | ✦ > File model |
| 4 | ✦ > `kg.schema` |
| 5 | ✦ > `kg.nodes` — identity pool |
| 6 | ✦ > `kg.attrs` — base attributes |
| 7 | ✦ > `.context` — a standalone snapshot |
| 8 | ✦ > Resolution semantics (the engine contract) |
| 9 | ✦ > Navigation (for thousands of contexts) |
| 10 | ✦ > Deferred / not built |
| 11 | ✦ > Reference implementation |