[9.2] 🌊 Streams simulation API: relax validation (#239856)

Manual backport of #239851

---------

Co-authored-by: kibanamachine <[email protected]>

Author: flash1293

oas_docs/bundle.json

@@ -53990,6 +53990,10 @@
                                                                 },
                                                                 "type": "array"
                                                               },
+                                                              {
+                                                                "items": {},
+                                                                "type": "array"
+                                                              },
                                                               {}
                                                             ]
                                                           },
@@ -60837,6 +60841,10 @@
                                                                 },
                                                                 "type": "array"
                                                               },
+                                                              {
+                                                                "items": {},
+                                                                "type": "array"
+                                                              },
                                                               {}
                                                             ]
                                                           },
@@ -67955,6 +67963,10 @@
                                                 },
                                                 "type": "array"
                                               },
+                                              {
+                                                "items": {},
+                                                "type": "array"
+                                              },
                                               {}
                                             ]
                                           },
@@ -71145,6 +71157,10 @@
                                                 },
                                                 "type": "array"
                                               },
+                                              {
+                                                "items": {},
+                                                "type": "array"
+                                              },
                                               {}
                                             ]
                                           },

oas_docs/output/kibana.yaml

@@ -59345,6 +59345,8 @@ paths:
                                                                     nullable: true
                                                                   - not: {}
                                                               type: array
+                                                            - items: {}
+                                                              type: array
                                                             - {}
                                                         type: object
                                                       - anyOf:
@@ -62889,6 +62891,8 @@ paths:
                                                                     nullable: true
                                                                   - not: {}
                                                               type: array
+                                                            - items: {}
+                                                              type: array
                                                             - {}
                                                         type: object
                                                       - anyOf:
@@ -66650,6 +66654,8 @@ paths:
                                                     nullable: true
                                                   - not: {}
                                               type: array
+                                            - items: {}
+                                              type: array
                                             - {}
                                         type: object
                                       - anyOf:
@@ -68296,6 +68302,8 @@ paths:
                                                     nullable: true
                                                   - not: {}
                                               type: array
+                                            - items: {}
+                                              type: array
                                             - {}
                                         type: object
                                       - anyOf:

x-pack/platform/packages/shared/kbn-streams-schema/src/shared/record_types.ts

@@ -18,17 +18,17 @@ export const primitive: z.ZodType<Primitive> = z.union([
 ]);
 
 export interface RecursiveRecord {
-  [key: PropertyKey]: Primitive | Primitive[] | RecursiveRecord;
+  [key: PropertyKey]: Primitive | Primitive[] | unknown[] | RecursiveRecord;
 }
 
 export const recursiveRecord: z.ZodType<RecursiveRecord> = z.lazy(() =>
-  z.record(z.union([primitive, z.array(primitive), recursiveRecord]))
+  z.record(z.union([primitive, z.array(primitive), z.array(z.unknown()), recursiveRecord]))
 );
 
-export type FlattenRecord = Record<PropertyKey, Primitive | Primitive[]>;
+export type FlattenRecord = Record<PropertyKey, Primitive | Primitive[] | unknown[]>;
 
 export const flattenRecord: z.ZodType<FlattenRecord> = z.record(
-  z.union([primitive, z.array(primitive)])
+  z.union([primitive, z.array(primitive), z.array(z.unknown())])
 );
 
 export const sampleDocument = recursiveRecord;