giles 39e5f906f2 host TA: the fed-sx transport adapter — federation loop proven at the seam ...

lib/host/ta.sx — a seam transport {:emit :deliver} over a DIRECTIONAL wire (out = outbox→followers,
in = inbox←follows). The transport is the SERIALIZATION boundary: activities cross the wire as
SX-source strings (host/ta--serialize/deserialize map the keyword-keyed activity ↔ a flat
string-keyed wire form of the P2 activity fields). host/ta--make-transport(out-wire, in-wire) +
host/ta--make-mem-wire (an in-memory directional queue for tests).

Proven (ta 5/5): content + relation activities round-trip through the wire; the FEDERATION LOOP —
instance A emits an activity → the wire carries it → instance B's behavior/pump delivers + processes
it → B's engine fires ITS behavior on A's activity; DIRECTIONAL (B re-emits to its own outbox, not
back into the inbox — no loop). 'Everything works over fed-sx', proven at the seam.

TA-live (deferred, same shape as RA-live): swap the mem-wire for the real next/ delivery wire —
needs a PERSISTENT next/ kernel (gen_servers don't survive across erlang-eval-ast calls) + the ACTOR
MODEL (peer_actors/follower_graph decide who the out-wire delivers to) + pushing /activities onto it.

Full host conformance green (+ta 5).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-07-02 16:48:30 +00:00

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