giles e6ffc60040 relations: tree/DAG queries (common-ancestors, lca, topo-order) in SX + 16 tests ...

lib/relations/tree.sx over reach/ancestors/rnode — no new Datalog closures. 126/126.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-06-07 13:07:50 +00:00

..

direct.sx

relations: Phase 1 schema + direct relations (rel facts, relate/unrelate, children/parents/related) + 22 tests

2026-06-07 11:42:32 +00:00

fed.sx

relations: Phase 4 federation (erel trust-gating, peer_rel/trust, fed-sx mock transport, revocation) + 22 tests

2026-06-07 12:14:38 +00:00

path.sx

relations: Phase 3 path explanation + distance + mixed-kind reachability (explain.sx, reach_any) + 24 tests

2026-06-07 12:06:04 +00:00

reach.sx

relations: Phase 2 reachability + roots/leaves + cycles (engine.sx, kind-parameterized closure) + 24 tests

2026-06-07 11:53:36 +00:00

shape.sx

relations: shape queries (siblings, in/out-degree, undirected connected?) computed in SX + 18 tests

2026-06-07 12:56:35 +00:00

tree.sx

relations: tree/DAG queries (common-ancestors, lca, topo-order) in SX + 16 tests

2026-06-07 13:07:50 +00:00