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… 实测)
问题 (0.16.1-0.16.9 实测):
1. setModel 透传形态与 0.16 后端 schema 不匹配: 桥发 {sessionId, modelId}
字符串, 后端要 model 对象 → 必报 -32602 "expected object, received
undefined; Unrecognized key: modelId"。即 0.16 时代 setModel 从未真正
可用, ACP client 无法切换会话模型。
2. headless 场景模型解析跟随 personal provider registry / App「上次使用」,
client 无法按会话指定模型: App 里选了什么, spawn 出的引擎就默认用什么
(provider 目录不含 config.json 静态 provider, env 三件套在 personal
registry 存在时被无视)。
修复/新增:
- setModel: 改为 {sessionId, model} 原样透传 ModelSelection 对象
{providerId, modelId, options?: {reasoningLevel}}。旧 modelId 形态移除
(在 0.16 后端从未通过 schema, 保留只会让调用方误以为已生效)。
- session/new 新增可选 model:
* 字符串形态 ("GLM-5.3"): 按 create 快照 settings.model.available 的
catalog 解析, 补 reasoningLevel=reasoning.defaultLevel;
* 对象形态: 原样透传;
* create 成功后经 session/setModel 应用, 失败则 session/new 整体报错。
刻意不透传给 create 本身: 0.16.9 实测 create 的初始 model 形参接受对象
但丢 options, turn 阶段报 ModelProtocolError "Reasoning level is
required for <provider>/<model>"; setModel 路径无此问题。
实测 (ZCode App 3.14.0 / CLI 0.16.9, personal provider bigmodel-api):
- session/new {model: "GLM-5.3"} → session/prompt → stopReason=end_turn;
- setModel {model: {providerId, modelId, options:{reasoningLevel:max}}} →
ok → prompt → end_turn;
- setModel 缺 options (无 reasoning 的模型除外) → turn 失败, 与 catalog
defaultLevel 补齐后通过。
测试: M5 改写 (对象透传/缺参 -32602/旧形态拒绝) + C4 系列 7 例 (字符串
catalog 解析/无 reasoning 条目/对象透传/未知 modelId/setModel 失败连带
new 失败/不带 model 向后兼容/非法形态)。547 passed + 34 subtests。
0.16 stdio 下 mode=plan 是 advisory (工具照常自动执行, 实测), 快照 diff 只是 事后发现; 引擎 session/create 的 toolAllowlist/toolDenylist 映射 PermissionService 硬 deny/allow, 是唯一的会话级前置只读手段。非空字符串数组 原样透传 (空条目剔除), 缺省/空数组/非数组时 create 参数与旧版逐字一致。 C5/C5a 回归用例; 全套 549 passed + 34 subtests。
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基于 #52（session/new model 钉定）之上的增量提交，只评审最后一个 commit（20fa2b0）。
动机
0.16 stdio 下
mode=plan是 advisory——工具照常自动执行，调用方只能在事后（快照 diff）发现越界。会话级前置只读目前没有手段：引擎session/create的toolAllowlist/toolDenylist映射PermissionService的硬 deny/allow，不经过权限模式判断、hook 也不能覆盖，正是这个缺口需要的原语。变更
session/new新增可选toolAllowlist/toolDenylist（非空字符串数组，空条目剔除）原样并入session/create参数。缺省、空数组或非数组时 create 参数与旧版逐字一致（向后兼容：不传名单的调用方行为不变；传了名单而后端拒收未知字段时，create 的报错如实透出）。测试
pytest tests/ -q→ 549 passed + 34 subtests