# GroundPlane Contracts v0.1.0 - Table of Contents

> Pure shared lower contracts for the GroundPlane workspace

## Pages

- Overview
  - [README](readme.md)

- Guides
  - [Installation](installation.md)
  - [Ownership](ownership.md)

- Release
  - [Changelog](changelog.md)
  - [LICENSE](license.md)

## Modules

- [GroundPlane.Boundary.Codec](GroundPlane.Boundary.Codec.md): Canonical boundary codec for cross-plane protocol payloads.
- [GroundPlane.Boundary.DispatchResult](GroundPlane.Boundary.DispatchResult.md): Serializable response from a boundary protocol handler.

- [GroundPlane.Boundary.Envelope](GroundPlane.Boundary.Envelope.md): Serializable cross-plane request envelope.

- [GroundPlane.Boundary.Fixtures](GroundPlane.Boundary.Fixtures.md): Shared canonical boundary fixtures for stack plane tests.

- [GroundPlane.Boundary.Protocol](GroundPlane.Boundary.Protocol.md): Behaviour for direct-module boundary dispatch.
- [GroundPlane.BoundaryProtocol.CommandEnvelope](GroundPlane.BoundaryProtocol.CommandEnvelope.md): Canonical governed-operation command envelope for cross-plane dispatch.
- [GroundPlane.Contracts.ActorRef](GroundPlane.Contracts.ActorRef.md): Opaque actor reference.
- [GroundPlane.Contracts.ArtifactRef](GroundPlane.Contracts.ArtifactRef.md): Opaque artifact reference for contract ledgers and proof receipts.
- [GroundPlane.Contracts.BindingRef](GroundPlane.Contracts.BindingRef.md): Opaque binding reference.
- [GroundPlane.Contracts.Checkpoint](GroundPlane.Contracts.Checkpoint.md): Shared checkpoint vocabulary for replay and projection positions.

- [GroundPlane.Contracts.ContentAddress](GroundPlane.Contracts.ContentAddress.md): Generic content-address facts for boundary-significant payloads.
- [GroundPlane.Contracts.CorrelationRef](GroundPlane.Contracts.CorrelationRef.md): Opaque correlation reference.
- [GroundPlane.Contracts.EpochRef](GroundPlane.Contracts.EpochRef.md): Revision/lease epoch reference used by stale-write and revocation gates.

- [GroundPlane.Contracts.Fence](GroundPlane.Contracts.Fence.md): Struct and comparison helpers for fenced ownership.

- [GroundPlane.Contracts.Fence.AuthorityScope](GroundPlane.Contracts.Fence.AuthorityScope.md): Authority revision facts for a fenced lease.
- [GroundPlane.Contracts.Fence.CredentialScope](GroundPlane.Contracts.Fence.CredentialScope.md): Credential materialization scope facts for a fenced lease.
- [GroundPlane.Contracts.Fence.Epoch](GroundPlane.Contracts.Fence.Epoch.md): Epoch facts for a fenced lease and materialization.
- [GroundPlane.Contracts.Fence.Identity](GroundPlane.Contracts.Fence.Identity.md): Stable identity facts for a fenced lease.
- [GroundPlane.Contracts.Fence.PersistenceScope](GroundPlane.Contracts.Fence.PersistenceScope.md): Persistence posture facts attached to a fenced lease.
- [GroundPlane.Contracts.GraphEdgeRef](GroundPlane.Contracts.GraphEdgeRef.md): Typed projection/trace graph edge reference.
- [GroundPlane.Contracts.GraphNodeRef](GroundPlane.Contracts.GraphNodeRef.md): Typed projection/trace graph node reference.
- [GroundPlane.Contracts.HandoffState](GroundPlane.Contracts.HandoffState.md): Shared handoff lifecycle vocabulary.

- [GroundPlane.Contracts.Id](GroundPlane.Contracts.Id.md): Helpers for replay-safe identifier construction.

- [GroundPlane.Contracts.IdempotencyKey](GroundPlane.Contracts.IdempotencyKey.md): Opaque idempotency key.
- [GroundPlane.Contracts.InstallationRef](GroundPlane.Contracts.InstallationRef.md): Opaque installation reference.
- [GroundPlane.Contracts.Lease](GroundPlane.Contracts.Lease.md): Struct and validation helpers for lease records.

- [GroundPlane.Contracts.LeaseRef](GroundPlane.Contracts.LeaseRef.md): Opaque lease reference.
- [GroundPlane.Contracts.OperationRef](GroundPlane.Contracts.OperationRef.md): Opaque operation reference.
- [GroundPlane.Contracts.PersistencePosture](GroundPlane.Contracts.PersistencePosture.md): Ref-only persistence posture for lower leases, fences, and checkpoints.
- [GroundPlane.Contracts.RepoRef](GroundPlane.Contracts.RepoRef.md): Generic repository reference for local workspaces and artifact ledgers.
- [GroundPlane.Contracts.ResourcePath](GroundPlane.Contracts.ResourcePath.md): Tenant-scoped hierarchical resource path used by policy and incident joins.

- [GroundPlane.Contracts.RevisionRef](GroundPlane.Contracts.RevisionRef.md): Opaque revision reference.
- [GroundPlane.Contracts.TenantRef](GroundPlane.Contracts.TenantRef.md): Opaque tenant reference.
- [GroundPlane.Contracts.TraceRef](GroundPlane.Contracts.TraceRef.md): Opaque trace reference.
- [GroundPlane.Contracts.WorkspaceRef](GroundPlane.Contracts.WorkspaceRef.md): Opaque workspace reference for manifests, proof ledgers, and trace fixtures.

