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, CallModel, Driver, LlmTarget, LlmTargetSet, Step, StepStream, drive,
10};
11pub use core::classifier::{Classification, Classifier, Score};
12pub use core::processor::{Event, Processor};
13pub use core::state::{State, StateValue};
14
15mod error;
16pub use error::{DriverError, LibsyError, Result};
17
18mod algorithms;
19pub use algorithms::llm_class::{
20    CustomClassifierConfig, CustomClassifierPolicy, LlmClassifierConfig, LlmTaskClassifier,
21    TaskClassifierConfig,
22};
23pub use algorithms::noop::Noop;
24pub use algorithms::passthrough::Passthrough;
25pub use algorithms::rand::{Random, RandomClassifier};
26pub use algorithms::stage::{LlmFallback, StageRouter, StageRouterConfig};
27pub use algorithms::util::affinity::AffinityRouter;
28pub use algorithms::util::classifier_contract::ClassifierContractConfig;
29pub use algorithms::util::escalation::EscalationJudgeConfig;
30pub use algorithms::util::prompts::{SystemPromptProcessor, TargetPrompts, append_note};
31pub use algorithms::util::subagent::SubagentOverride;
32pub use algorithms::util::tool_signals::{DEFAULT_RECENT_WINDOW, ToolSignals};
33
34// Stage-router scoring and tier selection — the shared signal-driven routing
35// core (scorer, picker, and the `StageClassifier`).
36pub use algorithms::util::stage::{
37    CodingAgentDimensions, DECISION_SOURCE_KEY, DecisionSource, HandoffNoteConfig, PickOutcome,
38    PickerMode, ScoreResult, StageClassifier, StageTargets, Tier, dimensions_from_signal,
39    pick_tier, score_signal,
40};
41
42mod observability;
43
44/// Registers process-wide compatibility gauges with the global meter provider.
45///
46/// Hosts should call this after installing their OpenTelemetry meter provider. Other
47/// libsy metrics are created when recorded and do not require initialization. Spans
48/// and structured logs require the host to install a `tracing` subscriber separately.
49pub fn initialize_metrics() {
50    observability::initialize_metrics();
51}
switchyard_libsy/lib.rs

switchyard_libsy/
lib.rs
