# Topology — Coverage

| Feature | Source-line | Recipe claim | Impl |
|---|---|---|---|
| Tag model | `models/Tag.ts` | recipe §A | OK |
| Link model | `models/Link.ts` | recipe §A | OK |
| Version model | `models/Version.ts` | recipe §A | OK |
| Context | `topology/TopologyContext.tsx` | recipe §A | OK |
| Stores | `persistence/idb.ts` DB v5 | recipe §C | OK |