feat: add streaming core domain model

crates/crank-core/src/operation.rs

@@ -6,6 +6,7 @@ use serde_json::Value;
 use crate::{
     ids::{AuthProfileId, DescriptorId, OperationId, SampleId},
     protocol::{ExportMode, GraphqlOperationType, HttpMethod, Protocol},
+    streaming::StreamingConfig,
 };
 
 fn default_operation_category() -> String {
@@ -73,7 +74,7 @@ pub struct ProtocolOptions {
     pub grpc: Option<GrpcProtocolOptions>,
 }
 
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub struct ExecutionConfig {
     pub timeout_ms: u64,
     #[serde(skip_serializing_if = "Option::is_none")]
@@ -84,6 +85,8 @@ pub struct ExecutionConfig {
     pub headers: BTreeMap<String, String>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub protocol_options: Option<ProtocolOptions>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub streaming: Option<StreamingConfig>,
 }
 
 #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
@@ -143,7 +146,7 @@ pub struct ConfigExport {
     pub export_mode: ExportMode,
 }
 
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub struct Operation<TSchema, TMapping> {
     pub id: OperationId,
     pub name: String,
@@ -267,6 +270,7 @@ mod tests {
                 auth_profile_ref: Some(AuthProfileId::new("auth_01")),
                 headers: BTreeMap::new(),
                 protocol_options: Some(ProtocolOptions::default()),
+                streaming: None,
             },
             tool_description: ToolDescription {
                 title: "Create CRM lead".to_owned(),
@@ -342,6 +346,7 @@ mod tests {
                 auth_profile_ref: Some(AuthProfileId::new("auth_01")),
                 headers: BTreeMap::new(),
                 protocol_options: Some(ProtocolOptions::default()),
+                streaming: None,
             },
             tool_description: ToolDescription {
                 title: "Create CRM lead".to_owned(),