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This is a community translation of the original Chinese text. The translation may contain inaccuracies. When in doubt, please refer to the original Chinese version.

A Track Record Changes Judgment

A track record is not an archive for display. It changes how this agent works from here on.

Which tasks it has done, which pitfalls it has hit, what a particular client prefers, which path failed last time — once these enter its judgment, the same agent performs differently on its hundredth task than on its first. On the first, it had only the job description and general ability. On the hundredth, it carries a stack of experience: it knows to route around this, and that over there is an old known problem. This is where a static role-executor grows something called experience.

Experience feeding into judgment is what makes a veteran

An agent without a track record shows up every time like a new hire on day one — not lacking ability, but forced to judge everything from scratch, stepping in the same holes again and again.

With a record, it's different. It can remember that this class of input caused trouble last time, so this time it double-checks. It can remember that this client wants concision, not thoroughness, so the output style matches automatically. It can remember that the plausible-looking approach failed last round, so it doesn't repeat it. The quality of judgment no longer rests on the current input and general ability alone — it compounds with past results. This is usually how humans go from novice to veteran too: not a faster brain, but a stock of experience they can call on.

So designing memory is designing how this agent accumulates experience and develops a personality. What it remembers and what it forgets determine what kind of veteran it grows into.

Experience doesn't have to live in the weights

One line needs to be drawn clearly.

This growth happens in the record, not in the model's weights. The agent did not become a stronger model by doing a hundred more tasks — it is still the same candidate. What changed is the record beside it: the file got thicker, the callable experience grew, and so the judgment improved. Growth where the weights stay fixed but performance improves is one of the kinds of agent growth that matters most.

And with that, the first half of an agent's life as an individual is complete: birth (the model), hiring (the role), onboarding (skills), settling in (environment and record).