fix: set gen_ai.operation.name for tool spans to "execute_tool"

Author: oleksii-leonov

lib/opentelemetry/instrumentation/ruby_llm/patches/chat.rb

@@ -58,6 +58,7 @@ def complete(&)
 
           def execute_tool(tool_call)
             attributes = {
+              "gen_ai.operation.name" => "execute_tool",
               "gen_ai.tool.name" => tool_call.name,
               "gen_ai.tool.call.id" => tool_call.id,
               "gen_ai.tool.call.arguments" => tool_call.arguments.to_json,

test/instrumentation_test.rb

@@ -168,6 +168,7 @@ def execute(expression:)
     tool_span = tool_spans.first
     assert_equal OpenTelemetry::Trace::SpanKind::INTERNAL, tool_span.kind
     assert_equal "execute_tool calculator", tool_span.name
+    assert_equal "execute_tool", tool_span.attributes["gen_ai.operation.name"]
     assert_equal "calculator", tool_span.attributes["gen_ai.tool.name"]
     assert_equal '{"expression":"2+2"}', tool_span.attributes["gen_ai.tool.call.arguments"]
     assert_equal "4", tool_span.attributes["gen_ai.tool.call.result"]