Files
dify/api/core/workflow
Yansong Zhang d9d1e9b63a fix(api): resolve Agent V2 node E2E runtime issues
Fixes discovered during end-to-end testing of Agent workflow execution:

1. ModelManager instantiation: use ModelManager.for_tenant() instead of
   ModelManager() which requires a ProviderManager argument
2. Variable template resolution: use VariableTemplateParser(template).format()
   instead of non-existent resolve_template() static method
3. invoke_llm() signature: remove unsupported 'user' keyword argument
4. Event dispatch: remove ModelInvokeCompletedEvent from _run() yield
   (graphon base Node._dispatch doesn't support it via singledispatch)
5. NodeRunResult metadata: use WorkflowNodeExecutionMetadataKey enum keys
   (TOTAL_TOKENS, TOTAL_PRICE, CURRENCY) instead of arbitrary string keys
6. SSE topic mismatch: use AppMode.AGENT (not ADVANCED_CHAT) in
   retrieve_events() so publisher and subscriber share the same channel
7. Celery task routing: add AppMode.AGENT to workflow_execute_task._run_app()
   alongside ADVANCED_CHAT

All issues verified fixed: Agent V2 node successfully invokes LLM and
returns "Hello there!" through the full SSE streaming pipeline.

Made-with: Cursor
2026-04-08 16:21:12 +08:00
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