refactor ai serving modules and crates

apps/aether-gateway/src/execution_runtime/mod.rs

@@ -33,6 +33,7 @@ pub(crate) use self::fallback::{
 pub(crate) use crate::orchestration::{
     append_local_failover_policy_to_value, LocalFailoverAnalysis, LocalFailoverDecision,
 };
+pub(crate) use aether_ai_serving::{ConversionMode, ExecutionStrategy};
 pub use server::{
     build_execution_runtime_router, build_execution_runtime_router_with_request_concurrency_limit,
     build_execution_runtime_router_with_request_gates, serve_execution_runtime_tcp,
@@ -52,46 +53,6 @@ pub(crate) use transport::{
     DirectUpstreamStreamExecution, ExecutionRuntimeTransportError,
 };
 
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
-#[serde(rename_all = "snake_case")]
-pub(crate) enum ExecutionStrategy {
-    GatewayAffinityForward,
-    RawPublicProxy,
-    LocalSameFormat,
-    LocalCrossFormat,
-}
-
-impl ExecutionStrategy {
-    pub(crate) const fn as_str(self) -> &'static str {
-        match self {
-            Self::GatewayAffinityForward => "gateway_affinity_forward",
-            Self::RawPublicProxy => "raw_public_proxy",
-            Self::LocalSameFormat => "local_same_format",
-            Self::LocalCrossFormat => "local_cross_format",
-        }
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
-#[serde(rename_all = "snake_case")]
-pub(crate) enum ConversionMode {
-    None,
-    RequestOnly,
-    ResponseOnly,
-    Bidirectional,
-}
-
-impl ConversionMode {
-    pub(crate) const fn as_str(self) -> &'static str {
-        match self {
-            Self::None => "none",
-            Self::RequestOnly => "request_only",
-            Self::ResponseOnly => "response_only",
-            Self::Bidirectional => "bidirectional",
-        }
-    }
-}
-
 #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
 pub(crate) struct ClientIntent {
     pub(crate) client_contract: String,