eagent-hub-core

A pure Rust port of packages/eagent/src/reduce.ts (#EXP-1509): the session tree, the bus, wake-ups, end reports, caps and the watchdog as one function,

let outcome = eagent_hub_core::reduce(&state, &envelope);
// Outcome { state, effects, result } | Outcome { state (unchanged), effects: [], failure }

state is a HubState, envelope an eCore Envelope (at is now), the effects are post, edit, brief, nudge and kill. Types mirror packages/eagent/src/model.ts in camelCase JSON; Field<T> keeps a TypeScript undefined apart from null where the fixtures do. hydrate(given) fills a fixture’s given with rules.json defaults.

The rule (tests/dependency_gate.rs): eCore, serde and serde_json only; no I/O, no clock, no async.

Byte-identical copy with the TS reference: lines come from packages/eagent/fixtures/rules.json (compiled in); the plan (2000) and report (4000) clips count UTF-16 code units like JS .slice; .trim() uses JavaScript’s whitespace set; an event trigger’s payload renders like JSON.stringify(payload, null, 2) in source key order (preserve_order); resetsAt parses like the spec’s stampMs (an ISO date or an RFC 3339 stamp with its offset; unparseable or timezone-less = the wall never expires); a clip that cuts a surrogate pair ends in U+FFFD; a reply’s card other than a question or plan is refused (copy.replyCard); orderings tie-break on createdAt, then id.

Tests: cargo test -p eagent-hub-core replays every case of packages/eagent/fixtures/*.json (tests/fixtures.rs, the semantics of eagent.test.ts) plus the pure refusalCases, silentCases and liveIdCases. The WASM build (eagent-hub-core-wasm) replays them through packages/eagent/src/replay.ts.

Licence: Apache-2.0