[全量] 初始化项目代码、配置、文档及Agent协同harness

.gitignore

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+# IDE
+.vscode
+.idea
+
+# Models
+./models/**
+
+# Node
+chat_web_front/node_modules/
+
+# Java
+chat_web_backend/target/
+backend/jdk*/
+backend/jdk-*.tar.gz
+backend/chat_web_yj.jar
+backend/nohup.out
+
+# Python
+langchain-chat/nltk_data/
+langchain-chat/knowledge_base/
+langchain-chat/__pycache__/
+langchain-chat/**/__pycache__/
+**/__pycache__/
+*.pyc
+
+# MySQL data
+mysql/mysql-8.4.4/mysql_bind/
+mysql/mysql.tar.gz
+
+# Milvus data
+milvus/volumes/
+
+# Logs
+logs/
+*.log
+nohup.out
+nohup_start.out
+
+# Temp files
+backend/temp/
+backend/files/
+chat_web_backend/temp/
+chat_web_backend/files/
+chat_web_front/dist/
+
+# Sub-repo git dirs (these are nested repos)
+chat_web_front/.git/
+chat_web_backend/.git/
+langchain-chat/.git/
+
+# Docker images
+/opt/docker-images/
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Claude
+.claude/