Module tier 

Adaptive storage tiers. Automatic per-segment storage-tier policy and host-invoked maintenance.

Re-exports

pub use maintain::GraphBuildProfileReport;

pub use maintain::MaintenanceBudget;

pub use maintain::MaintenanceError;

pub use maintain::MaintenanceReport;

pub use maintain::MaintenanceStatus;

pub use maintain::RefinementPassCounters;

pub use policy::RefinementPlan;

pub use policy::SegmentStats;

pub use policy::StorePlan;

pub use policy::StoreStats;

pub use policy::TierPlan;

pub use policy::decide;

pub use policy::decide_refinement;

pub use policy::decide_store;

pub use thresholds::PROVISIONAL_TIER_THRESHOLDS;

pub use thresholds::TierThresholds;

Modules

maintain

Host-invoked execution of due tier transitions.

policy

Pure per-segment tier decisions.

thresholds

Tier thresholds, measured on the single-tenant crossover ladder (tasks/evidence/20-crossover.md, 27-B6b, 2026-08-26).

Enums

SegmentTier

The query structure currently available for one segment.