switchyard_libsy/
lib.rs

1// SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
2// SPDX-License-Identifier: Apache-2.0
3
4#![warn(missing_docs)]
5#![doc = include_str!("../README.md")]
6
7mod core;
8pub use core::algorithm::{
9    Algorithm, CallLlmRequest, Driver, LlmCallObservation, LlmTarget, LlmTargetSet, RoutedRequest,
10    RunObservation, RunObserver, Step, StepStream,
11};
12pub use core::classifier::{Classification, Classifier, Score};
13pub use core::processor::{Event, Processor};
14pub use core::state::{State, StateValue};
15
16mod error;
17pub use error::{DriverError, LibsyError, Result};
18
19mod algorithms;
20pub use algorithms::llm_class::{
21    CustomClassifierConfig, CustomClassifierPolicy, LlmClassifierConfig, LlmTaskClassifier,
22    TaskClassifierConfig,
23};
24pub use algorithms::noop::{Noop, NoopDecision};
25pub use algorithms::passthrough::{Passthrough, PassthroughDecision};
26pub use algorithms::rand::{Random, RandomClassifier, RandomDecision};
27pub use algorithms::stage::{LlmFallback, StageRouter, StageRouterConfig};
28pub use algorithms::util::affinity::AffinityRouter;
29pub use algorithms::util::classifier_contract::ClassifierContractConfig;
30pub use algorithms::util::escalation::EscalationJudgeConfig;
31pub use algorithms::util::prompts::{SystemPromptProcessor, TargetPrompts, append_note};
32pub use algorithms::util::subagent::SubagentOverride;
33pub use algorithms::util::tool_signals::{DEFAULT_RECENT_WINDOW, ToolSignals};
34
35// Stage-router scoring and tier selection — the shared signal-driven routing
36// core (scorer, picker, and the `StageClassifier`).
37pub use algorithms::util::stage::{
38    CodingAgentDimensions, DECISION_SOURCE_KEY, DecisionSource, HandoffNoteConfig, PickOutcome,
39    PickerMode, ScoreResult, StageClassifier, StageTargets, Tier, dimensions_from_signal,
40    pick_tier, score_signal,
41};
42
43mod observability;
44
45/// Registers process-wide compatibility gauges with the global meter provider.
46///
47/// Hosts should call this after installing their OpenTelemetry meter provider. Other
48/// libsy metrics are created when recorded and do not require initialization. Spans
49/// and structured logs require the host to install a `tracing` subscriber separately.
50pub fn initialize_metrics() {
51    observability::initialize_metrics();
52}
switchyard_libsy/lib.rs

switchyard_libsy/
lib.rs
