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Cannot detect zombie flows based on state types instead of names. #21734

Description

@NicholasPini

Bug summary

I am following this guide to detect zombie flows: https://docs.prefect.io/v3/advanced/detect-zombie-flows

This works as intended, but there is a problem: it expects state NAMES, which means that a flow finishing in a state of type COMPLETED but with a custom name will be considered a zombie flow. As far as I know (I have asked Marvin about it) it is not possible to expect a state type. Is this case? I believe it should be possible to work with state types in event triggers and automations (I think you can match state types but not expect them).

Version info

Version:              3.6.12
API version:          0.8.4
Python version:       3.12.12
Git commit:           eb710303
Built:                Tue, Jan 20, 2026 06:20 PM
OS/Arch:              darwin/arm64
Profile:              latitudo40
Server type:          server
Pydantic version:     2.12.5
Server:
  Database:           sqlite
  SQLite version:     3.50.4
Integrations:
  prefect-aws:        0.7.4

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