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feat(llm-client): add vllm hidden-state probe #185

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feat(llm-client): add vllm hidden-state probe #185

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13 changes: 13 additions & 0 deletions Cargo.lock
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5 changes: 4 additions & 1 deletion crates/libsy-llm-client/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -28,14 +28,17 @@ opentelemetry = { version = "0.32", default-features = false, features = ["metri
parking_lot.workspace = true
http.workspace = true
httpdate.workspace = true
safetensors = "0.4"
serde.workspace = true
serde_json.workspace = true
thiserror.workspace = true
tokio.workspace = true
tracing.workspace = true
tracing-opentelemetry.workspace = true

[dev-dependencies]
# SDK + in-memory exporter to assert what the observability layer records.
opentelemetry_sdk = { version = "0.32", features = ["metrics", "testing", "trace"] }
thiserror.workspace = true
tempfile = "3"
tracing-subscriber.workspace = true
wiremock = "0.6"
5 changes: 5 additions & 0 deletions crates/libsy-llm-client/src/lib.rs
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Expand Up @@ -24,6 +24,7 @@ mod observability;
mod observation;
pub mod raw;
pub mod run;
pub mod vllm_hidden_state_probe;

pub use backend::{Backend, DEFAULT_MAX_RETRIES, HttpBackendConfig};
pub use client::{ModelConfig, TranslatingLlmClient};
Expand All @@ -32,6 +33,10 @@ pub use observation::{LlmCallObservation, RunObservation, RunObserver};
pub use raw::RawResponse;
pub use run::{ClientRouter, run};
pub use switchyard_translation::RawEventStream;
pub use vllm_hidden_state_probe::{
HiddenStateFeatures, VllmHiddenStateProbe, VllmHiddenStateProbeConfig,
VllmHiddenStateProbeError, VllmHiddenStateProbeResult,
};

/// Registers process-wide compatibility gauges with the global meter provider.
pub fn initialize_metrics() {
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