Client{{debug-actor-1}}

Gateway{{debug-actor-2}}

Remote model{{debug-actor-3}}

Fallback{{debug-actor-4}}

Observed symptom

Client → Gateway sync {{symptom}}

Gateway → Remote model sync Send the classified request.

Evidence

Remote model → Gateway error {{evidence}}

Gateway → itself self {{hypothesis}}

Failure

Remote model → Gateway error Return a timeout or remote failure.

Gateway → Fallback async {{fix}}

Fallback and verify

Fallback → Gateway return Return a deterministic fallback result.

Gateway → Client return {{verify}}

{{title}}