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Author SHA1 Message Date
jedarden
8969c44b8b P1.2 Topology type + node state machine - Complete verification
All acceptance criteria met:
- Topology deserializes from plan §4 YAML (RG=2, 6 nodes, RF=2)
- groups() iterator returns RG groups in ascending order
- State-machine tests cover all legal/illegal transitions
- Node::is_write_eligible_for() tests verify correctness table

41 topology tests passing. Implementation complete and verified.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-13 18:55:35 -04:00