meerkat-runtime 0.6.18

v9 runtime control-plane for Meerkat agent lifecycle
Documentation
//! meerkat-runtime — v9 runtime control-plane for Meerkat agent lifecycle.
//!
//! This crate implements the runtime/control-plane layer of the v9 Canonical
//! Lifecycle specification. It sits between surfaces (CLI, RPC, REST, MCP)
//! and core (`meerkat-core`), managing:
//!
//! - Input acceptance, validation, and queueing
//! - InputState lifecycle tracking
//! - Policy resolution (what to do with each input)
//! - Runtime state machine (Initializing ↔ Idle ↔ Attached ↔ Running ↔ Retired/Stopped/Destroyed)
//! - Retire/recycle/reset lifecycle operations
//! - RuntimeEvent observability
//!
//! Core-facing types (RunPrimitive, RunEvent, CoreExecutor, etc.) live in
//! `meerkat-core::lifecycle`. This crate contains everything else.

#![cfg_attr(
    test,
    allow(
        dead_code,
        unused_imports,
        clippy::expect_used,
        clippy::large_futures,
        clippy::needless_borrow,
        clippy::panic,
        clippy::redundant_closure_for_method_calls,
        clippy::redundant_clone,
        clippy::type_complexity,
        clippy::unnecessary_to_owned,
        clippy::unwrap_used
    )
)]

#[cfg(target_arch = "wasm32")]
pub mod tokio {
    pub use tokio_with_wasm::alias::*;
}

#[cfg(not(target_arch = "wasm32"))]
pub use ::tokio;

pub mod accept;
pub mod auth_machine;
pub mod coalescing;
pub mod comms_bridge;
pub mod comms_drain;
pub mod comms_trust_reconcile;
pub mod completion;
pub mod composition;
pub(crate) mod control_plane;
pub mod driver;
pub mod durability;
pub(crate) mod effect;
#[doc(hidden)]
pub mod generated;
pub mod handles;
pub mod identifiers;
pub mod ingress_types;
pub mod input;
pub mod input_ledger;
pub mod input_scope;
pub mod input_state;
pub mod meerkat_machine;
pub(crate) mod meerkat_machine_types;
pub mod mob_adapter;
pub mod ops_lifecycle;
pub mod peer_handling_mode;
pub mod policy;
pub mod policy_table;
#[allow(unused_imports)]
#[path = "generated/protocol_supervisor_trust_publish.rs"]
pub mod protocol_supervisor_trust_publish;
pub mod queue;
pub mod runtime_event;
pub(crate) mod runtime_loop;
pub mod runtime_state;
pub mod service_ext;
pub mod silent_intent;
pub mod store;
pub mod traits;

use meerkat_core::lifecycle::run_primitive::RuntimeTurnMetadata as RuntimeStampedTurnMetadata;
use std::any::Any;
use std::sync::Arc;

struct SessionRuntimeBindingsAuthority;

pub(crate) fn session_runtime_bindings_authority() -> Arc<dyn Any + Send + Sync> {
    Arc::new(SessionRuntimeBindingsAuthority)
}

pub(crate) fn local_session_runtime_bindings_authority() -> Arc<dyn Any + Send + Sync> {
    session_runtime_bindings_authority()
}

pub fn session_runtime_bindings_have_machine_authority(
    bindings: &meerkat_core::SessionRuntimeBindings,
) -> bool {
    bindings
        .__runtime_authority()
        .is::<SessionRuntimeBindingsAuthority>()
}

// Re-exports for convenience
pub use accept::{AcceptOutcome, RejectReason, post_admission_signal_from_accept_outcome};
pub use coalescing::{
    AggregateDescriptor, CoalescingResult, SupersessionScope, apply_coalescing, apply_supersession,
    check_supersession, create_aggregate_input, is_coalescing_eligible,
};
pub use completion::{CompletionHandle, CompletionOutcome};
pub use driver::{EphemeralRuntimeDriver, PersistentRuntimeDriver, PostAdmissionSignal};
pub use durability::{DurabilityError, validate_durability};
pub use handles::{
    HandleDslAuthority, RuntimeAuthLeaseHandle, RuntimeCommsDrainHandle,
    RuntimeExternalToolSurfaceHandle, RuntimeInteractionStreamHandle,
    RuntimeMcpServerLifecycleHandle, RuntimeModelRoutingHandle, RuntimePeerCommsHandle,
    RuntimePeerInteractionHandle, RuntimeSessionAdmissionHandle, RuntimeSessionContextHandle,
    RuntimeTurnStateHandle,
};
pub use identifiers::{
    CausationId, ConversationId, CorrelationId, EventCodeId, IdempotencyKey, InputKind, KindId,
    LogicalRuntimeId, PolicyVersion, ProjectionRuleId, RuntimeEventId, SchemaId, SupersessionKey,
};
pub use ingress_types::{ContentShape, RequestId, ReservationKey};
pub use input::{
    ContinuationInput, ExternalEventInput, FlowStepInput, Input, InputDurability, InputHeader,
    InputOrigin, InputVisibility, OperationInput, PeerConvention, PeerInput, PromptInput,
    ResponseProgressPhase, ResponseTerminalStatus, peer_response_terminal_input,
    response_terminal_status_from_wire,
};
pub use input_ledger::InputLedger;
pub use input_scope::InputScope;
pub use input_state::{
    InputAbandonReason, InputLifecycleState, InputState, InputStateEvent, InputStateHistoryEntry,
    InputTerminalOutcome, MAX_STAGE_ATTEMPTS, PolicySnapshot, ReconstructionSource,
};
pub use meerkat_core::types::HandlingMode;
pub use meerkat_machine::{
    CommsDrainMode, CommsDrainPhase, DrainExitReason, MachineSessionControlAuthority,
    MeerkatConsumerSurface, MeerkatMachine, PeerIngressOwner, RuntimeBindingsError,
};
pub use meerkat_machine_types::{
    HydratedSessionLlmState, ImageOperationRoutingRequest, ImageOperationRoutingResult,
    ModelRoutingApprovalDisposition, ModelRoutingRealtimePolicy, ResolvedSessionLlmReconfigure,
    SessionLlmCapabilitySurface, SessionLlmCapabilitySurfaceStatus, SessionLlmReconfigureHost,
    SessionLlmReconfigureReport, SessionLlmReconfigureRequest, SessionToolVisibilityDelta,
};
#[doc(hidden)]
pub use meerkat_machine_types::{
    MeerkatAdmittedInputSnapshot, MeerkatBindingSnapshot, MeerkatCompletionWaiterSnapshot,
    MeerkatCompletionWaitersSnapshot, MeerkatControlSnapshot, MeerkatCursorSnapshot,
    MeerkatDrainSnapshot, MeerkatDriverKind, MeerkatInputsSnapshot, MeerkatMachineCatalogInput,
    MeerkatMachineCommandClassification, MeerkatMachineCommandClassificationRecord,
    MeerkatMachineCommandVariant, MeerkatMachineFieldlessRuntimeInternalInput,
    MeerkatMachineRuntimeInternalClassificationRecord, MeerkatMachineRuntimeInternalInput,
    MeerkatMachineRuntimeInternalReason, MeerkatMachineShellMechanicReason,
    MeerkatMachineSpineSnapshot, MeerkatOpsSnapshot,
    canonical_meerkat_machine_command_classifications,
    canonical_meerkat_machine_command_input_variant_manifest,
    canonical_meerkat_machine_command_manifest,
    canonical_meerkat_machine_runtime_internal_classifications,
    canonical_meerkat_machine_runtime_internal_fieldless_input_variant_manifest,
    canonical_meerkat_machine_runtime_internal_input_variant_manifest,
    canonical_meerkat_machine_runtime_internal_manifest,
};
pub use ops_lifecycle::{
    OpsLifecycleConfig, OpsLifecyclePersistenceRequest, PersistedOpsSnapshot,
    RuntimeOpsLifecycleRegistry,
};

/// Stamp prompt turn metadata with the runtime-owned input semantics.
///
/// This helper exists for runtime-backed service-turn paths that already hold
/// machine admission and must pass a runtime-classified prompt turn into the
/// session layer. New prompt materialization should prefer `MeerkatMachine`
/// input admission so the machine creates this metadata directly.
pub fn runtime_stamped_prompt_turn_metadata(
    metadata: Option<RuntimeStampedTurnMetadata>,
) -> RuntimeStampedTurnMetadata {
    let input = Input::Prompt(PromptInput::from_content_input(
        meerkat_core::ContentInput::Text(String::new()),
        metadata,
    ));
    let policy = policy_table::DefaultPolicyTable::resolve(&input, true);
    let semantics =
        ingress_types::RuntimeInputSemantics::from_policy_and_kind(&policy, input.kind());
    runtime_loop::for_input(&input, semantics)
}

#[doc(hidden)]
pub mod machine_schema_exports {
    pub fn meerkat_machine_schema() -> meerkat_machine_schema::MachineSchema {
        meerkat_machine_schema::catalog::dsl::meerkat_machine_schema_metadata()
            .attach_to(crate::meerkat_machine::dsl::MeerkatMachineState::schema())
    }

    pub fn auth_machine_schema() -> meerkat_machine_schema::MachineSchema {
        meerkat_machine_schema::catalog::dsl::auth_machine_schema_metadata()
            .attach_to(crate::auth_machine::dsl::AuthMachineState::schema())
    }
}
pub use peer_handling_mode::{PeerHandlingModeError, validate_peer_handling_mode};
pub use policy::{
    ApplyMode, ConsumePoint, DrainPolicy, PolicyDecision, QueueMode, RoutingDisposition, WakeMode,
};
pub use policy_table::{DEFAULT_POLICY_VERSION, DefaultPolicyTable};
pub use queue::InputQueue;
pub use runtime_event::{
    InputLifecycleEvent, RunLifecycleEvent, RuntimeEvent, RuntimeEventEnvelope,
    RuntimeProjectionEvent, RuntimeStateChangeEvent, RuntimeTopologyEvent,
};
pub use runtime_state::{RuntimeState, RuntimeStateTransitionError};
pub use service_ext::{RuntimeMode, SessionServiceRuntimeExt};
pub use store::{InMemoryRuntimeStore, RuntimeStore, RuntimeStoreError, SessionDelta};
pub use traits::{
    DestroyReport, RecoveryReport, RecycleReport, ResetReport, RetireReport, RuntimeControlPlane,
    RuntimeControlPlaneError, RuntimeDriver, RuntimeDriverError,
};