[Bug] Chat page crashes with "Cannot access 'ep' before initialization" when starting conversation from App Management

DB-GPT image: eosphorosai/dbgpt-openai:v0.8.1 API: /api/v1/model/types returns ["gpt-5.5"] Browser console: ReferenceError: Cannot access 'ep' before initialization Chunk: /_next/static/chunks/7249-7c2d276c108978d8.js Scene: App Management -> Start Conversation