Glossary
Short definitions for BudgetAI terms.
Gateway
The local server every surface connects to. Manages sessions, approvals, scheduling, and budgets.
Router
The component that picks a model tier for each turn, on-device, before execution.
Tier
A capability band (R0–R3) mapped to a concrete provider profile.
Outcome Contract
An agreement defining a task's goal, budget, required evidence, and breach policy.
Receipt
A per-task record of where spend went and what it saved.
Surface
A way in: CLI, Web UI, or a chat channel.
Skill
A packaged, task-specific routine loaded only when a task needs it.
Sandbox
The layered policy environment that tools run inside.
Compaction
Summarizing older context so long sessions stay focused and cheap.