fix: Model validation error when saving AI model configuration

[xqliu]

有个编辑 model 时候 block 的 bug fix #246

重现：我创建了一个 AI 模型，但是 model name 输错了（输成了 deepseek) 然后再次编辑这个 model 想要清空 model name 就报错了

Bug Description

When attempting to save a new AI model configuration (e.g., adding a DeepSeek model), the system displays an error message "模型不存在" (Model does not exist), even when the model has been selected from the dropdown list.

Root Cause

In web/src/components/AITradersPage.tsx line 281, the handleSaveModelConfig function validates the model by searching only in supportedModels:

const modelToUpdate = supportedModels?.find(m => m.id === modelId);
if (\!modelToUpdate) {
  alert(t('modelNotExist', language));
  return;
}

This validation fails when:

1. User creates a new model configuration
2. The model is not found in supportedModels (which comes from the default user's configuration)

Steps to Reproduce

1. Navigate to AI Traders page
2. Click "Add AI Model"
3. Select a model from the dropdown (e.g., DeepSeek)
4. Enter API Key
5. Click Save
6. Error: "模型不存在"

Proposed Solution

Update the validation logic to check both allModels (user's configured models) and supportedModels:

const existingModel = allModels?.find(m => m.id === modelId);
let updatedModels;

// Find model from either configured or supported lists
const modelToUpdate = existingModel || supportedModels?.find(m => m.id === modelId);
if (\!modelToUpdate) {
  alert(t('modelNotExist', language));
  return;
}

Related

• PR test: Add minimal UT infrastructure and fix Issue #227 #229 fixes a similar issue for editing traders, but does not address this model configuration save issue
• This is a separate bug in the model configuration workflow

Environment

• Browser: Chrome/Firefox
• Version: Latest dev branch

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🤖 Generated with Claude Code

[xqliu]

[Hansen1018]

最新DEV无法兼容

[xqliu]

最新DEV无法兼容

无法兼容说的是啥呀，这个已经合并进去了，还有问题吗？

[Hansen1018]

还是不能修改交易员设置

[xqliu]

本地试了下，是可以的，应该是这个 PR fix 了问题 #337

[xqliu]

@Hansen1018