feat(router): add sdk_next_action in payment method list response (#9922)

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

crates/api_models/src/payment_methods.rs

@@ -2044,6 +2044,10 @@ pub struct PaymentMethodListResponse {
 
     /// flag that indicates whether to calculate tax on the order amount
     pub is_tax_calculation_enabled: bool,
+
+    /// indicates the next action to be performed by the SDK
+    #[schema(value_type = SdkNextAction)]
+    pub sdk_next_action: payments::SdkNextAction,
 }
 
 #[cfg(feature = "v1")]

crates/api_models/src/payments.rs

@@ -8113,6 +8113,8 @@ pub enum NextActionCall {
     AwaitMerchantCallback,
     /// The next action is to deny the payment with an error message
     Deny { message: String },
+    /// The next action is to perform eligibility check
+    EligibilityCheck,
 }
 
 #[derive(Debug, Clone, Eq, PartialEq, serde::Serialize, serde::Deserialize, ToSchema)]