ctx.budget

Service type: BudgetView (from apollia.context.budget).

BudgetView

Bases: Protocol

Runtime step budget tracking, read-only from the agent's perspective.

The actual enforcement happens in the Rust runtime (StepBudget actor). This view lets agents introspect remaining budget without bypassing the non-negotiable guard-rails (Principle 7).

Field	Type	Default
steps_remaining	int
tool_calls_remaining	int
elapsed_seconds	float
wall_clock_remaining	float | None