Internal Release 0.5.1

- Allow protocol version to be set at the server level through configuration instead of a class method, providing more flexibility in protocol version management [#43](https://github.com/Shopify/mcp-ruby/pull/43) @topherbullock

- Fixed instrumentation handling to ensure accurate timing information and proper error reporting [#42](https://github.com/Shopify/mcp-ruby/pull/42) @tobiasbales
  - Improved error handling and reporting in the server
  - Fixed timing information collection in instrumentation
  - Added proper error types for different failure scenarios
  - Enhanced test coverage for error cases

- [Allow protocol version to be set at the server level #43](https://github.com/Shopify/mcp-ruby/pull/43) @topherbullock
- [Fix instrumentation handling #42](https://github.com/Shopify/mcp-ruby/pull/42) @tobiasbales

test/instrumentation_test_helper.rb

@@ -15,10 +15,10 @@ module InstrumentationTestHelper
   end
 
   def assert_instrumentation_data(expected_data)
-    data = instrumentation_helper.data.dup
+    data = instrumentation_helper.data.dup || {}
     duration = data.delete(:duration)
-    assert_not_nil(duration, "Duration is not set")
-    assert_operator(duration, :>=, 0, "Duration is not positive or zero")
+    assert_not_nil(duration, "Duration should always be set")
+    assert_operator(duration, :>=, 0, "Duration should be positive or zero")
     assert_equal(expected_data, data, "Instrumentation data does not match expected data")
   end
 end