Crate rig_memory_policy 

Backend-agnostic memory-policy primitives shared across Rig memory-store adapters (rig-memvid and future backends like SQLite, LanceDB, Qdrant, plain filesystem, etc.).

Phase 1 surface (pure helpers, no trait design yet):

• dedup — in-process content-hash dedup for hooks/compactors that must satisfy rig::memory::{DemotionHook, Compactor}’s idempotency contract.
• metadata — typed envelope written into a backend’s per-entry metadata so downstream tools (evals, inspectors, RAG pipelines) can reason about the lifecycle that produced each entry.
• error — neutral PolicyError for failures in the above helpers.

This crate has no dependency on memvid-core or any specific storage engine. Backends are expected to wrap these primitives in their own adapter (e.g. rig-memvid adds .mv2 framing on top).

Trait surface (MemoryStore, capability sub-traits, generic hooks) lands in subsequent phases — see the tracking issue for details.

Re-exports

pub use error::PolicyError;

Modules

dedup

In-process content-hash dedup for memory-store hooks and compactors.

error

Neutral error type for rig-memory-policy helpers.

metadata

Typed metadata envelope for entries written by memory-lifecycle hooks.