- Introduce new fields for voice, speed, and language in the AssistantConfig and ProviderCredential models to support TTS and ASR configurations.
- Update the database schema and seeding script to accommodate the new fields, ensuring backward compatibility.
- Implement credential testing endpoints and logic to validate OpenAI-compatible credentials, enhancing user experience and reliability.
- Modify frontend components to include new fields in the credential forms and improve connection testing feedback.
- Refactor related services and API interactions to support the new credential testing feature.
- Change 'DeepSeek-V3' to 'DeepSeek-Chat' and update its API key.
- Rename 'OpenAI TTS' to 'SiliconFlow-CosyVoice2-0.5B' and update its details.
- Add new models: 'SiliconFlow-TeleSpeechASR' and 'SiliconFlow-Qwen3-Embedding-4B' with corresponding API keys and configurations.
- Adjust existing entries to ensure consistency in the database seeding process.
