cache: define response cache boundaries

crates/crank-core/src/lib.rs

@@ -41,9 +41,9 @@ pub use observability::{
 };
 pub use operation::{
     ConfigExport, ExecutionConfig, GeneratedDraft, GeneratedDraftStatus, GraphqlTarget,
-    GrpcProtocolOptions, GrpcTarget, Operation, OperationStatus, ProtocolOptions, RestTarget,
-    RetryPolicy, Samples, SoapProtocolOptions, SoapTarget, Target, ToolDescription, ToolExample,
-    WebsocketProtocolOptions, WebsocketTarget,
+    GrpcProtocolOptions, GrpcTarget, Operation, OperationStatus, ProtocolOptions,
+    ResponseCachePolicy, RestTarget, RetryPolicy, Samples, SoapProtocolOptions, SoapTarget, Target,
+    ToolDescription, ToolExample, WebsocketProtocolOptions, WebsocketTarget,
 };
 pub use protocol::{AuthKind, ExportMode, GraphqlOperationType, HttpMethod, Protocol};
 pub use secret::{Secret, SecretKind, SecretStatus, SecretVersion};

crates/crank-core/src/operation.rs

@@ -107,6 +107,11 @@ pub struct RetryPolicy {
     pub max_attempts: u32,
 }
 
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+pub struct ResponseCachePolicy {
+    pub ttl_ms: u64,
+}
+
 #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Default)]
 pub struct GrpcProtocolOptions {
     pub use_tls: bool,
@@ -148,6 +153,8 @@ pub struct ExecutionConfig {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub retry_policy: Option<RetryPolicy>,
     #[serde(skip_serializing_if = "Option::is_none")]
+    pub response_cache: Option<ResponseCachePolicy>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub auth_profile_ref: Option<AuthProfileId>,
     #[serde(default, skip_serializing_if = "BTreeMap::is_empty")]
     pub headers: BTreeMap<String, String>,