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dfc901078e
server.py builds an opaque dict at submission time from extra_data and pins it on PromptServer.active_prompt_metadata while main.py's worker drives the prompt. send_sync spreads the dict's key/value pairs onto outgoing payloads so frames carry whatever tags the submission attached (today: workflow_id). The mechanism is intentionally untyped — the transport layer doesn't know what workflow_id means or treat any key specially. Adding a new propagated field requires only a one-line addition in post_prompt; execution.py and comfy_execution/progress.py are not touched. execution.py changes: 0 lines.