mod default_rule;
mod event_enrichment;
mod formula_engine;
mod models;
mod precision;
mod pricing;
mod schema;
mod service;
mod token_normalization;

pub use aether_usage_runtime::{
    map_usage, map_usage_from_response, StandardizedUsage, UsageMapper,
};
pub use default_rule::{normalize_task_type, DefaultBillingRuleGenerator, VirtualBillingRule};
pub use event_enrichment::{enrich_usage_event_with_billing, BillingModelContextLookup};
pub use formula_engine::{
    extract_variable_names, BillingIncompleteError, ExpressionEvaluationError, FormulaEngine,
    FormulaEvaluationResult, FormulaEvaluationStatus, UnsafeExpressionError,
};
pub use models::{BillingDimension, BillingUnit, CostBreakdown};
pub use precision::{
    quantize_cost, quantize_display, quantize_value, BILLING_DISPLAY_PRECISION,
    BILLING_STORAGE_PRECISION,
};
pub use pricing::{BillingComputation, BillingModelPricingSnapshot, BillingUsageInput};
pub use schema::{
    BillingSnapshot, BillingSnapshotStatus, CostResult, BILLING_SNAPSHOT_SCHEMA_VERSION,
};
pub use service::BillingService;
pub use token_normalization::{
    normalize_input_tokens_for_billing, normalize_total_input_context_for_cache_hit_rate,
};