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* 📥 fix: Use Endpoint-Aware Default Model on Imported Conversations Claude conversations imported from claude.ai's data export display "gpt-4o-mini" in the chat UI until the page is refreshed, and any attempt to send a message before refreshing fails with "The model 'gpt-4o-mini' is not available for Anthropic." Root cause: ImportBatchBuilder.finishConversation() unconditionally defaulted the saved conversation's `model` field to openAISettings.model.default, regardless of `this.endpoint`. Claude exports don't carry a model name, so every imported Claude conversation landed with endpoint=anthropic but model=gpt-4o-mini. Fix: pick the default based on `this.endpoint` via a small lookup (openAI -> gpt-4o-mini, anthropic -> claude-3-5-sonnet-latest), keeping the existing OpenAI default as the fallback for unknown endpoints. Fixes #12844 * 🪄 refactor: Resolve Import Default Model From `modelsConfig` Replace the hardcoded per-endpoint default lookup added in the previous commit with a runtime resolver that consults the same models config the chat UI uses (`getModelsConfig` in ModelController -> `loadDefaultModels` + `loadConfigModels`). This way an imported conversation defaults to a model the LibreChat instance has actually configured / discovered for the endpoint, instead of a hardcoded constant that may not exist on this deployment. Resolution order: 1. First non-empty model in `modelsConfig[endpoint]`. 2. Per-endpoint hardcoded fallback (anthropic/openAI settings) if the runtime config is empty for the endpoint or `getModelsConfig` throws. 3. `openAISettings.model.default` if even the per-endpoint fallback is missing (unknown endpoint). `importBatchBuilder.finishConversation` now accepts an optional `defaultModel` argument; each importer resolves it once at the top via `resolveImportDefaultModel({ endpoint, requestUserId, userRole })` and threads it through. ChatGPT message-level model selection also falls back to the resolved default before the hardcoded gpt-4o-mini. |
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| controllers | ||
| middleware | ||
| routes | ||
| services | ||
| utils | ||
| cleanup.js | ||
| experimental.js | ||
| index.js | ||
| index.spec.js | ||
| socialLogins.js | ||