Agent cycle
One machine: Observe → Orient → Decide → Act
Outlined sockets are architectural slots; luminous badges are installed modules.
A modular agent loop
Codex is the central harness, FairyStack is the operator control plane, and services share one tool boundary.
guidance
status
output
approved
call
result
context
Operator
control plane
FairyStack
UI · guidance · feedback
sessions · supervision
Coordination harness / loop
Codex · authority owner
OODA · one recurrent loop
provider-neutral inference call
OpenAI API · “big brain”
routing · policy · lifecycle
Capability gate
External components
Little Brain API
score proposed actions
4.39M parameters
trained · evaluated
advisory · no authority
Knowledge Systems
ArrowSplit
grep / shell
network contracts
state stays with provider
results become context