更新环境变量配置，调整模型名称获取方式，新增Dify API相关配置，删除无用的脚本文件，优化意图识别逻辑，添加LLM提取词条逻辑

.env

@@ -1,5 +1,16 @@
 OPENAI_API_KEY=sk-xxaiabmfhzwwpijuledllkmkzhzwsqeicjxmjwnvriqpwmpk
 OPENAI_API_BASE=https://api.siliconflow.cn/v1/
-LLM_MODEL_NAME=deepseek-ai/DeepSeek-V3
-# LLM_MODEL_NAME=deepseek-ai/DeepSeek-R1
-RERANKER_MODEL_NAME=bge-reranker-v2-m3
+MODEL_NAME=deepseek-ai/DeepSeek-V3
+MINI_MODEL_NAME=Qwen/Qwen2.5-72B-Instruct-128K
+# MODEL_NAME=deepseek-ai/DeepSeek-R1
+RERANKER_MODEL_NAME=bge-reranker-v2-m3
+
+DIFY_BSAE_URL=http://10.1.16.39/v1
+DIFY_APP_KEY=app-wUdkWJx5zeOvmvBUZizMoSw3
+DIFY_DATASET_KEY=dataset-skLjmPVonjHo119OWNf3kAmY
+
+DIFY_PG_HOST = 10.1.16.39
+DIFY_PG_PORT = 5432
+DIFY_PG_USER = postgres
+DIFY_PG_PASSWORD = difyai123456
+DIFY_PG_DATABASE = dify