llmix-rs 2.0.7

Rust binding for the LLMix orchestration contract with cache, resilience, and config parity
Documentation 
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use serde::{Deserialize, Serialize};
use serde_json::{Map, Value};
use std::collections::HashMap;

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "kebab-case")]
pub enum CachingStrategy {
    Native,
    Gateway,
    Disabled,
    Redis,
    RedisOrMemory,
    Memory,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "kebab-case")]
pub enum ResponseCacheStrategy {
    Redis,
    RedisOrMemory,
    Memory,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "lowercase")]
pub enum CacheHitTier {
    L1,
    L2,
}

#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub struct ResponseCacheStats {
    pub l1_size: usize,
    pub l1_max: usize,
    pub l2_enabled: bool,
    pub l2_healthy: bool,
    pub strategy: ResponseCacheStrategy,
}

#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Default)]
#[serde(rename_all = "camelCase")]
pub struct LlmUsage {
    pub input_tokens: u32,
    pub output_tokens: u32,
    pub total_tokens: u32,
}

#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct ProviderResult {
    pub content: String,
    pub model: String,
    pub usage: LlmUsage,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub headers: Option<HashMap<String, String>>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub tool_calls: Option<Vec<Value>>,
}

#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct DispatchContext {
    pub provider: String,
    pub model: String,
    pub api_key: String,
    pub messages: Vec<Value>,
    pub kwargs: Map<String, Value>,
    pub config: Value,
}

#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct CallInput {
    pub config: Value,
    pub messages: Vec<Value>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub singleflight_key: Option<String>,
}

#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct CallResponse {
    pub content: String,
    pub model: String,
    pub provider: String,
    pub usage: LlmUsage,
    pub success: bool,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub error: Option<String>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub thinking_content: Option<String>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub cache_hit: Option<CacheHitTier>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub tool_calls: Option<Vec<Value>>,
}