only to_unsafe_h when there is a schema to check it

lib/action_figure/core.rb

@@ -183,6 +183,8 @@ def notify
     private
 
     def normalize_params(kwargs)
+      return kwargs unless contract
+
       raw = kwargs[:params]
       return kwargs unless raw.respond_to?(:to_unsafe_h)
 

test/action_figure/core_test.rb

@@ -202,7 +202,10 @@ def call(params:)
     assert_equal({ name: "Tad" }, result[:json][:data])
   end
 
-  def test_params_with_to_unsafe_h_are_unwrapped_without_schema
+  def test_params_with_to_unsafe_h_pass_through_without_schema
+    # Without a params_schema there is nothing to validate or whitelist, so
+    # to_unsafe_h must NOT be called — the raw params object passes through
+    # untouched and the action handles it (e.g. via strong params) itself.
     fake_params = Class.new do
       def initialize(hash) = @hash = hash
       def to_unsafe_h = @hash
@@ -216,10 +219,11 @@ def call(params:)
       end
     end
 
-    result = action.call(params: fake_params.new({ name: "Tad" }))
+    raw = fake_params.new({ name: "Tad" })
+    result = action.call(params: raw)
 
     assert_equal :ok, result[:status]
-    assert_equal({ name: "Tad" }, result[:json][:data])
+    assert_same raw, result[:json][:data]
   end
 end