isInWorkflow was a proxy for 'this panel's model config reaches
fetch_model_config', which is false for the knowledge-retrieval metadata
filter and single-retrieval model, and for tool/trigger model-selector
params rendered through form-input-item — the field showed up there but the
backend never consumed it. Gate the rule on an explicit
supportFirstTokenTimeout prop passed only by the LLM, question classifier
and parameter extractor panels, and extend the help text with the
inter-token semantics of the read window.
L1nSn0w
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