# 系统配置 RECURSION_LIMIT=25 TIMEOUT=300 RETRY_LIMIT=3 DEBUG_MODE=False LOG_LEVEL=INFO # 模型配置 OPENAI_MODEL=gpt-4o GEMINI_MODEL=gemini-2.5-flash GEMINI_API_KEY=AIzaSyAkt1l9Kw1CQgHFzTpla0vgt0OE53fr-BI LANGSMITH_TRACING=true LANGSMITH_ENDPOINT=https://api.smith.langchain.com LANGSMITH_API_KEY=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 LANGSMITH_PROJECT=aigc_what_decode