ci(hermes-voice): build on roomy ARM accelerator

ci/Jenkinsfile.hermes-voice-image

@@ -18,7 +18,6 @@ spec:
     fsGroupChangePolicy: OnRootMismatch
   nodeSelector:
     kubernetes.io/arch: arm64
-    node-role.kubernetes.io/worker: "true"
   affinity:
     nodeAffinity:
       requiredDuringSchedulingIgnoredDuringExecution:
@@ -26,7 +25,10 @@ spec:
           - matchExpressions:
               - key: kubernetes.io/hostname
                 operator: In
-                values: [titan-15, titan-17]
+                # Voice images expand the large Jetson base and two Whisper
+                # models. Keep that transient I/O on the roomy idle
+                # accelerator, away from Longhorn and the live speech node.
+                values: [titan-20]
   imagePullSecrets:
     - name: harbor-bstein-robot
   containers:

testing/tests/test_hermes_voice_release.py

@@ -21,7 +21,8 @@ def test_voice_pipeline_binds_component_source_digest_and_release() -> None:
     assert "PUBLISH HERMES TTS" in pipeline
     assert "archiveArtifacts(" in pipeline
     assert '"SETFCAP"' in pipeline
-    assert "values: [titan-15, titan-17]" in pipeline
+    assert "values: [titan-20]" in pipeline
+    assert 'node-role.kubernetes.io/worker: "true"' not in pipeline
     assert "ephemeral-storage: 10Gi" in pipeline
     assert "ephemeral-storage: 20Gi" in pipeline
     assert "privileged: true" not in pipeline