PROF-02a and RT-01a, machine-readable half, per the operator's port decisions of 2026-09-23.
Generic (in the session schema set, so contractDigest moves):
- AgentTelemetry.stimulusRemainingMs (number|null): sugar admission reads the pulse from the
last commit.
- EpisodeRequest.kind is terminal | rollback.
- Environment.SaveSlot / Environment.RestoreSlot (capability gameboy-slots-v1) and
Agent.Rollback (capability legacy-ratchet-rollback-v1) payloads, with their scope checks;
maxSlots 4.
Legacy Game Boy (module gameboy, digested apart from contractDigest):
- registered payload schemas gameboy-readout-context-v1, gameboy-channels-v1,
gameboy-joypad-v1, gameboy-memory-inspection-v1, legacy-ratchet-rollback-v1, each SchemaRef
digest over its canonical declaration;
- the one legacy profile gameboy-legacy-fafb-v783-v1 embedding today's schema-1 fingerprint,
lif-1ms-f64-v2 and fly-kc-mbon-rstdp-v2, with its AssetRef digest;
- the composition declaration carrying the decoder and macro-channel configuration, the
executor pokered-macros-v1, gameboy-slots-v1, legacy-ratchet-rollback-v1,
legacy-transient-reset and FLYSIM01 as format of record, cross-checked against the FLYSIM01
compatibility string.
Fixtures regenerated by update_fixtures (new derived gameboy-legacy.json); valid/invalid cases
for every new type in both languages; the frame clock proven identical to the legacy f64
accumulator. flysim gains only a test (and a dev-dependency) that recomputes the pinned
fingerprint, versions, frame size, warm-up, clock and button order. The synthetic fly-session
agent reports stimulusRemainingMs null and its task names kind terminal; no runtime change.
packages/session-types mirrors the Rust crate: canonical JSON (RFC 8785), strict parsing,
canonical digests, readers with a validate step for every payload of ipc-v1, workers-v1,
state-media-v1 and publishing-v1, the trace comparator, seed derivation and the FLYSESS1
envelope. It loads the crate fixtures/ directory rather than keeping a copy.
43 tests with node test runner, as in packages/feed. Both languages assert the same recorded
canonical bytes and digests, so agreement is checked rather than assumed; the envelope test
goes further and requires the bytes this package writes to equal the fixture the Rust crate
wrote.
Also narrows the canonical number rule to a value-based one (finite, and within the exact
integer range when integral), because JSON.parse cannot tell 1e21 from the same digits
written out, and two implementations that disagree about one number agree about no digest.
