Internal Release 0.3.0

Add configurable exception reporter
Avoid leaking tool exceptions by sending them to a configurable exception reporter
Add optional context to pass to tools
Add basic instrumentation data/labels

lib/model_context_protocol/configuration.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module ModelContextProtocol
+  class Configuration
+    attr_accessor :exception_reporter
+    attr_accessor :instrumentation_callback
+
+    def initialize
+      @exception_reporter = ->(exception, context) {} # Default no-op reporter
+      @instrumentation_callback = ->(data) {} # Default no-op callback
+    end
+  end
+end