test out this format

lib/policy_service_web/controllers/policy_controller.ex

@@ -13,10 +13,6 @@ defmodule PolicyServiceWeb.PolicyController do
   tags(["Policies"])
   security([%{"bearerAuth" => []}])
 
-  # ---------------------------------------------------------------------------
-  # GET /api/policies
-  # ---------------------------------------------------------------------------
-
   operation(:index,
     summary: "List policies",
     parameters: [
@@ -24,20 +20,24 @@ defmodule PolicyServiceWeb.PolicyController do
       "page[size]": [in: :query, type: :integer, required: false],
       filters: [
         in: :query,
-        schema: %OpenApiSpex.Schema{
+        required: false,
+        explode: true,
+        description: """
+        Apply filters in Flop format.
+
+        Example: filters[0][field]=status&filters[0][op]==&filters[0][value]=created
+        """,
+        schema: %{
           type: :array,
-          items: %OpenApiSpex.Schema{
+          items: %{
             type: :object,
             properties: %{
-              field: %OpenApiSpex.Schema{type: :string},
-              op: %OpenApiSpex.Schema{type: :string, default: "=="},
-              value: %OpenApiSpex.Schema{type: :string}
+              field: %{type: :string, description: "Field to filter on"},
+              op: %{type: :string, description: "Operator (e.g., ==, !=, ~>)"},
+              value: %{type: :string, description: "Filter value"}
             }
           }
-        },
-        required: false,
-        style: :deepObject,
-        explode: true
+        }
       ],
       "order_by[]": [in: :query, type: :string, required: false]
     ],