fix: align LLM switch example with SDK API

Author: enyst

examples/01_standalone_sdk/26_runtime_llm_switch.py

@@ -26,15 +26,15 @@
 os.environ.setdefault("OPENHANDS_INLINE_CONVERSATIONS", "false")
 
 # 3. Profiles live under ~/.openhands/llm-profiles by default. We create two
-#    variants that share the same service_id so they can be swapped at runtime.
+#    variants that share the same usage_id so they can be swapped at runtime.
 registry = LLMRegistry()
-service_id = "support-agent"
+usage_id = "support-agent"
 
 base_profile_id = "support-mini"
 alt_profile_id = "support-pro"
 
 base_llm = LLM(
-    service_id=service_id,
+    usage_id=usage_id,
     model="litellm_proxy/anthropic/claude-sonnet-4-5-20250929",
     base_url="https://llm-proxy.eval.all-hands.dev",
     api_key=SecretStr(api_key),
@@ -65,7 +65,7 @@
     workspace=str(workspace_dir),
     persistence_dir=str(persistence_dir),
     conversation_id=conversation_id,
-    visualize=False,
+    visualizer=None,
 )
 
 conversation.send_message(
@@ -111,7 +111,7 @@
     workspace=str(workspace_dir),
     persistence_dir=str(persistence_dir),
     conversation_id=conversation_id,
-    visualize=False,
+    visualizer=None,
 )
 
 print("Reloaded conversation is using profile:", reloaded.state.agent.llm.profile_id)
@@ -140,7 +140,7 @@
     workspace=str(workspace_dir),
     persistence_dir=str(inline_persistence_dir),
     conversation_id=uuid.uuid4(),
-    visualize=False,
+    visualizer=None,
 )
 
 try:

tests/sdk/conversation/local/test_state_serialization.py

@@ -674,7 +674,7 @@ def test_local_conversation_switch_llm_persists_profile(tmp_path, monkeypatch):
         agent=agent,
         workspace=str(workspace_dir),
         persistence_dir=str(persistence_dir),
-        visualize=False,
+        visualizer=None,
     )
     assert isinstance(conversation, LocalConversation)
 
@@ -697,7 +697,7 @@ def test_local_conversation_switch_llm_persists_profile(tmp_path, monkeypatch):
         workspace=str(workspace_dir),
         persistence_dir=str(persistence_dir),
         conversation_id=conversation.id,
-        visualize=False,
+        visualizer=None,
     )
     assert isinstance(reloaded, LocalConversation)
     assert reloaded.state.agent.llm.profile_id == "alt"
@@ -719,7 +719,7 @@ def test_local_conversation_switch_llm_inline_mode_rejected(tmp_path, monkeypatc
         agent=agent,
         workspace=str(tmp_path / "workspace"),
         persistence_dir=str(tmp_path / "persist"),
-        visualize=False,
+        visualizer=None,
     )
     assert isinstance(conversation, LocalConversation)
 
@@ -743,7 +743,7 @@ def test_local_conversation_switch_llm_requires_idle(tmp_path, monkeypatch):
         agent=agent,
         workspace=str(tmp_path / "workspace"),
         persistence_dir=str(tmp_path / "persist"),
-        visualize=False,
+        visualizer=None,
     )
     assert isinstance(conversation, LocalConversation)
 

tests/sdk/llm/test_llm_registry_profiles.py

@@ -344,6 +344,7 @@ def test_profile_serialization_mode_reference_only(tmp_path):
     assert "model" not in ref_data
     assert "usage_id" not in ref_data
 
+
 def test_switch_profile_replaces_active_llm(tmp_path):
     registry = LLMRegistry(profile_dir=tmp_path)
     base_llm = LLM(model="gpt-4o-mini", usage_id="primary")