• 新增 agent：Command Code（commandcode.ai）。在 magpie 里给它选模型：走 magpie 的模型会在 ~/.commandcode/providers.json 里加一个免 key 的 magpie provider（模型列表即 magpie 的目录），并把 settings.json 的 model 设为 magpie/<provider>/<model>；它自带的模型照常可选；default 会撤掉 magpie 的条目。注意：即使用 magpie 的模型，Command Code 仍需先用它自己的账号登录（cmd login）。(#32)

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• New agent: Command Code (commandcode.ai). Pick its model in magpie: a model through magpie adds a keyless magpie provider to ~/.commandcode/providers.json (the catalog as its models) and sets settings.json's model to magpie/<provider>/<model>; its own models stay pickable, and default takes magpie's entry out. Command Code still wants its own sign-in (cmd login), even for models through magpie. (#32)