Lia sentinel-family core: contracts, 6 invariants, guarded executor.
Project description
lia-core
Constitutional core of the Lia sentinel family — the portable contracts and
runtime guarantees every Lia sentinel (lia-gro, lia-code, …) is built on.
What it provides
- Schemas —
Finding,Proposal,Verdict,Manifest,AuditRecord(pydantic v2, frozen). - 6 invariants (constitutional — never weakened):
- never-auto-act — Lia proposes; a human approves every outward action.
- capability-confinement — a sentinel holds at most 1 of the lethal trifecta (untrusted-read / sensitive-data / outward-act).
- immutable audit-log — append-only, hash-chained, tamper-detectable.
- delivery-contract — every output is a
Proposalwith a declared effect. - manifest-conformance — a sentinel declares its manifest; the host checks it.
- semver — the public API is versioned.
- GuardedExecutor — the only path that can act; enforces confinement + audit.
- Registry — sentinels register against their manifest; the host selects.
Status
0.x pre-freeze public API. The API freezes after the second consumer, per the
Lia platform design. Not yet a stable public contract.
Install
uv pip install lia-core
Requires Python ≥ 3.12.
Release history Release notifications | RSS feed
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