feat(routing): Add API key auth for decision engine endpoints (#8640)

Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com>

crates/api_models/src/events/routing.rs

@@ -178,3 +178,27 @@ impl ApiEventMetric for RuleMigrationError {
         Some(ApiEventsType::Routing)
     }
 }
+
+impl ApiEventMetric for crate::open_router::DecideGatewayResponse {
+    fn get_api_event_type(&self) -> Option<ApiEventsType> {
+        Some(ApiEventsType::Routing)
+    }
+}
+
+impl ApiEventMetric for crate::open_router::OpenRouterDecideGatewayRequest {
+    fn get_api_event_type(&self) -> Option<ApiEventsType> {
+        Some(ApiEventsType::Routing)
+    }
+}
+
+impl ApiEventMetric for crate::open_router::UpdateScorePayload {
+    fn get_api_event_type(&self) -> Option<ApiEventsType> {
+        Some(ApiEventsType::Routing)
+    }
+}
+
+impl ApiEventMetric for crate::open_router::UpdateScoreResponse {
+    fn get_api_event_type(&self) -> Option<ApiEventsType> {
+        Some(ApiEventsType::Routing)
+    }
+}

crates/api_models/src/open_router.rs

@@ -26,6 +26,41 @@ pub struct OpenRouterDecideGatewayRequest {
     pub elimination_enabled: Option<bool>,
 }
 
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DecideGatewayResponse {
+    pub decided_gateway: Option<String>,
+    pub gateway_priority_map: Option<serde_json::Value>,
+    pub filter_wise_gateways: Option<serde_json::Value>,
+    pub priority_logic_tag: Option<String>,
+    pub routing_approach: Option<String>,
+    pub gateway_before_evaluation: Option<String>,
+    pub priority_logic_output: Option<PriorityLogicOutput>,
+    pub reset_approach: Option<String>,
+    pub routing_dimension: Option<String>,
+    pub routing_dimension_level: Option<String>,
+    pub is_scheduled_outage: Option<bool>,
+    pub is_dynamic_mga_enabled: Option<bool>,
+    pub gateway_mga_id_map: Option<serde_json::Value>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct PriorityLogicOutput {
+    pub is_enforcement: Option<bool>,
+    pub gws: Option<Vec<String>>,
+    pub priority_logic_tag: Option<String>,
+    pub gateway_reference_ids: Option<HashMap<String, String>>,
+    pub primary_logic: Option<PriorityLogicData>,
+    pub fallback_logic: Option<PriorityLogicData>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct PriorityLogicData {
+    pub name: Option<String>,
+    pub status: Option<String>,
+    pub failure_reason: Option<String>,
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
 #[serde(rename_all = "SCREAMING_SNAKE_CASE")]
 pub enum RankingAlgorithm {