runtime: switch executor to adapter registry

crates/crank-runtime/src/request_context.rs

@@ -51,6 +51,34 @@ impl RuntimeRequestContext {
     }
 }
 
+impl From<ResponseCacheScope> for crank_core::ResponseCacheScope {
+    fn from(value: ResponseCacheScope) -> Self {
+        Self {
+            workspace_key: value.workspace_key,
+            agent_key: value.agent_key,
+        }
+    }
+}
+
+impl From<&ResponseCacheScope> for crank_core::ResponseCacheScope {
+    fn from(value: &ResponseCacheScope) -> Self {
+        Self {
+            workspace_key: value.workspace_key.clone(),
+            agent_key: value.agent_key.clone(),
+        }
+    }
+}
+
+impl From<&RuntimeRequestContext> for crank_core::RuntimeRequestContext {
+    fn from(value: &RuntimeRequestContext) -> Self {
+        Self {
+            request_id: value.request_id.clone(),
+            correlation_id: value.correlation_id.clone(),
+            response_cache_scope: value.response_cache_scope.as_ref().map(Into::into),
+        }
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::RuntimeRequestContext;