Struct RouterConfig 

pub struct RouterConfig {
    pub strategy: RouterStrategyConfig,
    pub thompson_state_path: Option<String>,
    pub cascade: Option<CascadeConfig>,
    pub reputation: Option<ReputationConfig>,
    pub bandit: Option<BanditConfig>,
    pub quality_gate: Option<f32>,
    pub asi: Option<AsiConfig>,
    pub embed_concurrency: usize,
}

Routing configuration for multi-provider setups.

Fields

strategy: RouterStrategyConfig

Routing strategy: "ema" (default), "thompson", "cascade", or "bandit".

thompson_state_path: Option<String>

Path for persisting Thompson Sampling state. Defaults to ~/.zeph/router_thompson_state.json.

Security

This path is user-controlled. The application writes and reads a JSON file at this location. Ensure the path is within a directory that is not world-writable (e.g., avoid /tmp). The file is created with mode 0o600 on Unix.

cascade: Option<CascadeConfig>

Cascade routing configuration. Only used when strategy = "cascade".

reputation: Option<ReputationConfig>

Bayesian reputation scoring configuration (RAPS). Disabled by default.

bandit: Option<BanditConfig>

PILOT bandit routing configuration. Only used when strategy = "bandit".

quality_gate: Option<f32>

Embedding-based quality gate threshold for Thompson/EMA routing. Default: disabled.

When set, after provider selection, the cosine similarity between the query embedding and the response embedding is computed. If below this threshold, the next provider in the ordered list is tried. On exhaustion, the best response seen is returned.

Only applies to Thompson and EMA strategies. Cascade uses its own quality classifier. Fail-open: embedding errors disable the gate for that request.

asi: Option<AsiConfig>

Agent Stability Index configuration. Disabled by default.

embed_concurrency: usize

Maximum number of concurrent embed_batch calls through the router.

Limits simultaneous embedding HTTP requests to prevent provider rate-limiting and memory pressure during indexing or high-frequency recall. Default: 4. Set to 0 to disable the semaphore (unlimited concurrency).

Trait Implementations

impl Clone for RouterConfig

fn clone(&self) -> RouterConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for RouterConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for RouterConfig

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for RouterConfig

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.