Crate chio_metering 

Receipt metering and economics for the Chio protocol.

This crate provides per-receipt cost attribution, cumulative cost queries, monetary budget enforcement via chio-link oracle integration, and billing-export-compatible cost metadata.

Modules

• cost – Per-receipt cost metadata (compute time, data volume, API cost)
• query – CLI-style cost queries by session, agent, tool, or time range
• budget – Monetary budget enforcement with denominated currency
• budget_hierarchy – Tree-structured budget governance across organizational scopes (org -> department -> team -> agent)
• export – Billing-export-compatible cost records

Re-exports

pub use budget::BudgetEnforcer;

pub use budget::BudgetPolicy;

pub use budget::BudgetViolation;

pub use budget_hierarchy::AggregateSpend;

pub use budget_hierarchy::BudgetDecision;

pub use budget_hierarchy::BudgetDenyReason;

pub use budget_hierarchy::BudgetError;

pub use budget_hierarchy::BudgetLimits;

pub use budget_hierarchy::BudgetNode;

pub use budget_hierarchy::BudgetNodeId;

pub use budget_hierarchy::BudgetTree;

pub use budget_hierarchy::BudgetWindow;

pub use budget_hierarchy::PerWindowSpend;

pub use budget_hierarchy::SpendSnapshot;

pub use cost::CostDimension;

pub use cost::CostMetadata;

pub use export::BillingExport;

pub use export::BillingRecord;

pub use query::CostQuery;

pub use query::CostQueryResult;

pub use query::CostSummary;

Modules

budget

Monetary budget enforcement with denominated currency.

budget_hierarchy

Hierarchical budget governance for enterprise fleet management.

cost

Per-receipt cost attribution metadata.

export

Billing-export-compatible cost records.

query

CLI-style cost queries for cumulative cost by session, agent, tool, or time range.