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06. Federation Runtime

Purpose​

Federation coordinates multiple runtime nodes without abandoning deterministic authority. It exchanges verifiable artifacts: roots, receipts, checkpoints, replay windows, peer status, and recovery material.

Current Status​

Federation is partial. The repository contains modules, tests, fixtures, reports, and scaffolding for peer discovery, synchronization, convergence, recovery, partition execution, and receipt propagation. Production multi-host authority is not certified.

Federation Responsibilities​

  • discover peers and capabilities;
  • exchange receipts and checkpoints;
  • detect gaps and divergence;
  • compare roots;
  • support recovery and rejoin flows;
  • preserve lineage across peers.

Non-Responsibilities​

Federation must not invent state, override runtime receipts, or trust renderer output. A federation peer can propose or supply artifacts; runtime verification decides whether they are accepted.

Production Gates​

Multi-host federation requires authenticated peer policy, adversarial partition tests, recovery drills, operator runbooks, observability, rate limits, deployment automation, and release certification.