Phase 2: Complete RPC tracing — interface, macros, attributes, tests

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/libxrpl/telemetry/Telemetry.cpp

@@ -93,6 +93,12 @@ public:
         return false;
     }
 
+    bool
+    shouldTraceLedger() const override
+    {
+        return false;
+    }
+
     opentelemetry::nostd::shared_ptr<trace_api::Tracer>
     getTracer(std::string_view) override
     {
@@ -241,6 +247,12 @@ public:
         return setup_.tracePeer;
     }
 
+    bool
+    shouldTraceLedger() const override
+    {
+        return setup_.traceLedger;
+    }
+
     opentelemetry::nostd::shared_ptr<trace_api::Tracer>
     getTracer(std::string_view name) override
     {