anti 33f139ecfa feat(mazenet): topology package — config, status machine, generator, persistence ...

Adds decnet/topology/ with:

- config.TopologyConfig: pydantic model driving generation (depth,
  branching_factor, deckies_per_lan_min/max, bridge_forward_probability,
  cross_edge_probability, subnet_base_prefix, service selection, seed).
  Emits GeneratedTopology dataclass (lans, deckies, edges).

- status.TopologyStatus + assert_transition: seven-state machine with
  an explicit legal-transition table.  torn_down is terminal; degraded
  is schema-reserved for future Healer use.

- generator.generate: deterministic DAG generation under config.seed.
  Builds a tree of LANs (DMZ at root), plants deckies in each LAN,
  promotes one decky per non-DMZ LAN to a parent bridge, and rolls
  cross-edges per cross_edge_probability for DAG shape.

- persistence: persist() writes a plan to the repo as pending;
  transition_status() enforces state-machine legality; hydrate() loads
  topology + children into a single dict.

Covered by tests/topology/{test_status,test_generator,test_persistence}.

2026-04-20 16:48:20 -04:00

4.8 KiB

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