fix(ketch): wire optional purposes filter for get_consent operation

Author: waleedlatif1

apps/sim/blocks/blocks/ketch.ts

@@ -74,6 +74,15 @@ export const KetchBlock: BlockConfig<KetchResponse> = {
       language: 'json',
       required: true,
     },
+    {
+      id: 'purposesFilter',
+      title: 'Purposes Filter',
+      type: 'code',
+      placeholder: '{"analytics": {}, "marketing": {}}',
+      language: 'json',
+      condition: { field: 'operation', value: 'get_consent' },
+      mode: 'advanced',
+    },
     {
       id: 'purposes',
       title: 'Purposes',
@@ -164,6 +173,13 @@ export const KetchBlock: BlockConfig<KetchResponse> = {
               : params.identities
         }
 
+        if (params.operation === 'get_consent' && params.purposesFilter) {
+          result.purposes =
+            typeof params.purposesFilter === 'string'
+              ? JSON.parse(params.purposesFilter)
+              : params.purposesFilter
+        }
+
         if (params.operation === 'set_consent' && params.purposes) {
           result.purposes =
             typeof params.purposes === 'string' ? JSON.parse(params.purposes) : params.purposes