Merge branch 'pratik/otel-phase6-statsd' into pratik/otel-phase7-native-metrics

# Conflicts:
#	src/test/csf/Peer.h

include/xrpl/telemetry/SpanGuard.h

@@ -170,6 +170,10 @@
 #include <string_view>
 #include <utility>
 
+namespace protocol {
+class TraceContext;
+}  // namespace protocol
+
 namespace xrpl::telemetry {
 
 /**
@@ -436,6 +440,20 @@ public:
     [[nodiscard]] TraceBytes
     getTraceBytes() const;
 
+    /**
+     * Inject the calling thread's currently-active OTel context into a
+     * protobuf TraceContext message for cross-node propagation.
+     *
+     * Encapsulates `RuntimeContext::GetCurrent()` + `injectToProtobuf`
+     * so callers in app-layer code (e.g. RCLConsensus broadcasting
+     * TMProposeSet / TMValidation) don't depend on any OTel headers.
+     * No-op if telemetry is disabled or no span is active.
+     *
+     * @param proto The protobuf TraceContext to populate.
+     */
+    static void
+    injectCurrentContextToProtobuf(protocol::TraceContext& proto);
+
     // --- Attribute setters (explicit overloads, no OTel types) ---------
 
     /**
@@ -613,6 +631,11 @@ public:
     {
         return {};
     }
+
+    static void
+    injectCurrentContextToProtobuf(protocol::TraceContext&)
+    {
+    }
     // NOLINTEND(readability-convert-member-functions-to-static)
 
     void