Add transaction trace filters to Grafana Tempo datasource

Add xrpl.tx.hash (static), xrpl.tx.local and xrpl.tx.status
(dynamic) search filters for Phase 3 transaction span attributes.

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

docker/telemetry/grafana/provisioning/datasources/tempo.yaml

@@ -7,6 +7,7 @@
 # Each phase adds filters for the span attributes it introduces.
 # Phase 1b (infra): Base filters — node identity, service, span name, status.
 # Phase 2 (RPC):    RPC command, status, role filters.
+# Phase 3 (TX):     Transaction hash, local/peer origin, status.
 
 apiVersion: 1
 
@@ -96,3 +97,19 @@ datasources:
             operator: "="
             scope: span
             type: dynamic
+          # Phase 3: Transaction tracing filters
+          - id: tx-hash
+            tag: xrpl.tx.hash
+            operator: "="
+            scope: span
+            type: static
+          - id: tx-origin
+            tag: xrpl.tx.local
+            operator: "="
+            scope: span
+            type: dynamic
+          - id: tx-status
+            tag: xrpl.tx.status
+            operator: "="
+            scope: span
+            type: dynamic