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- # PaperGraph backend env template.
- # Copy to backend/.env and fill local secrets.
- # LLM API
- # OpenAI-compatible chat endpoint.
- LLM_API_KEY=your-llm-api-key
- LLM_BASE_URL=https://api.deepseek.com/v1
- LLM_MODEL_ID=deepseek-v4-flash
- # Set to 1 if local proxy causes EOF/SSL errors.
- LLM_DISABLE_PROXY=1
- # Optional aliases:
- # OPENAI_API_KEY=your-openai-compatible-api-key
- # OPENAI_BASE_URL=https://api.openai.com/v1
- # OPENAI_MODEL=gpt-4o-mini
- # AIHUBMIX_API_KEY=your-aihubmix-api-key
- # AIHUBMIX_BASE_URL=https://aihubmix.com/v1
- # AIHUBMIX_MODEL_ID=your-model-id
- # Embedding API
- # Optional memory embeddings.
- EMBED_MODEL_TYPE=dashscope
- EMBED_MODEL_NAME=text-embedding-v4
- EMBED_API_KEY=your-embedding-api-key
- EMBED_BASE_URL=https://dashscope.aliyuncs.com/compatible-mode/v1
- # Academic search APIs
- NCBI_EMAIL=
- NCBI_API_KEY=
- # OpenAlex polite-pool email; blank is allowed.
- OPENALEX_MAILTO=
- # Optional web pre-search / proceedings discovery.
- TAVILY_PRESEARCH_ENABLED=true
- TAVILY_API_KEY=
- # App
- APP_NAME=PaperGraph
- APP_VERSION=0.1.0
- DEBUG=true
- HOST=0.0.0.0
- PORT=8000
- CORS_ORIGINS=http://localhost:5173,http://localhost:3000,http://127.0.0.1:5173,http://127.0.0.1:3000
- # Default runtime data path is backend/data.
- # DATA_DIR=/absolute/path/to/DeLunnLi-PaperGraph/backend/data
- # DOWNLOADS_DIR=/absolute/path/to/DeLunnLi-PaperGraph/backend/downloads/papers
- LOG_LEVEL=INFO
- # Search / ranking tuning
- PAPERGRAPH_SEARCH_AGENT_WALL_SEC=420
- PAPERGRAPH_SEARCH_RECALL_WALL_SEC=60.0
- PAPERGRAPH_SEARCH_ARXIV_FALLBACK_WALL_SEC=15.0
- PAPERGRAPH_SEARCH_RECALL_HTTP_TIMEOUT_SEC=18.0
- PAPERGRAPH_SEARCH_HTTP_MAX_ATTEMPTS=2
- PAPERGRAPH_DBLP_MAX_ATTEMPTS=2
- PAPERGRAPH_RECALL_MAX_CANDIDATES=24
- PAPERGRAPH_FINE_RANK_CANDIDATES=15
- PAPERGRAPH_FINE_RANK_TIMEOUT_SEC=30
- PAPERGRAPH_FINE_RANK_ABSTRACT_CHARS=200
- PAPERGRAPH_FINE_RANK_PIPELINE_WALL_SEC=25.0
- PAPERGRAPH_PROCEEDINGS_SUPPLEMENT_ENABLED=true
- PAPERGRAPH_PROCEEDINGS_SUPPLEMENT_MIN_CANDIDATES=8
- PAPERGRAPH_PROCEEDINGS_AUTO_DISCOVER=true
- # PAPERGRAPH_TAVILY_VENUE_DOMAINS_JSON=/absolute/path/to/tavily_venue_domains.json
- # Daily recommendations
- PAPERGRAPH_DAILY_AUTO_REFRESH=true
- PAPERGRAPH_DAILY_AUTO_REFRESH_IDLE_SEC=90
- PAPERGRAPH_DAILY_AUTO_REFRESH_POLL_SEC=180
- PAPERGRAPH_DAILY_AUTO_REFRESH_STARTUP_GRACE_SEC=120
- PAPERGRAPH_DAILY_ARXIV_HTTP_TIMEOUT_SEC=45.0
- PAPERGRAPH_DAILY_ARXIV_HTTP_MAX_ATTEMPTS=3
- # Empty means built-in arXiv category defaults.
- DAILY_ARXIV_CS_CATEGORIES=
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