chore: include .env updates for deploy

.env

@@ -15,3 +15,28 @@ NEXT_PUBLIC_API_BASE=/admin139
 
 # Next.js 服务端反代用（可选）
 BACKEND_INTERNAL_URL=http://backend:8080
+
+# ===== OI 题库导入（LLM 识别）=====
+# 对应 scripts/import_winterant_oi.py 的可选识别配置
+OI_LLM_API_URL=http://8.211.173.24:9404/v1/chat/completions
+OI_LLM_API_KEY=sk-2e51c350efdeb41e27fcea4c3116567e514435db291b291e
+OI_LLM_MODEL=qwen3-max
+OI_LLM_STREAM=true
+OI_LLM_RETRY_MAX=5
+OI_LLM_RETRY_SLEEP_SEC=1.5
+
+# ===== 题库导入任务（PDF + LLM）=====
+OI_IMPORT_AUTO_RUN=true
+OI_IMPORT_AUTO_MODE=luogu
+OI_IMPORT_WORKERS=3
+OI_IMPORT_TARGET_TOTAL=5000
+OI_IMPORT_RESUME_ON_RESTART=true
+OI_LOCAL_PDF_DIR=/data/local_pdfs
+OI_IMPORT_CLEAR_EXISTING=true
+OI_IMPORT_CLEAR_SOURCE_PREFIX=winterant/oi
+OI_IMPORT_CLEAR_ALL_PROBLEMS=false
+OI_IMPORT_SKIP_LLM=false
+OI_IMPORT_LLM_LIMIT=0
+OI_IMPORT_MAX_PROBLEMS=0
+OI_IMPORT_DIRECT_FALLBACK=true
+OI_IMPORT_PREFER_DIRECT=true