EventHandler

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Common fields

• id: stable handler id
• handler_name: callable/function name
• handler_file_path: optional source path metadata
• handler_timeout: optional per-handler timeout override
• handler_slow_timeout: optional slow-warning override
• handler_registered_at / handler_registered_ts
• event_pattern: subscribed key (EventType or '*')
• eventbus_name, eventbus_id

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bus.on(...) and bus.off(...)

entry = bus.on(MyEvent, handler)
bus.off(MyEvent, entry)

const entry = bus.on(MyEvent, handler)
bus.off(MyEvent, entry)

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Serialization

payload = entry.to_json_dict()
restored = EventHandler.from_json_dict(payload, handler=real_handler)

const payload = entry.toJSON()
const restored = EventHandler.fromJSON(payload, realHandler)

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Notes

• Function bodies are not serialized.
• Rehydration restores metadata; execution behavior requires re-binding a real callable.