Merge branch 'master' into master-nj

Keep Win7 flowchart SVG labels and bring over Mermaid syntax repair plus HTML chart color downleveling.

Co-authored-by: Cursor <cursoragent@cursor.com>

AGENTS.md

@@ -11,6 +11,13 @@ This is a customized offline deployment of **DeerFlow** — a LangGraph-based AI
 
 Managed together via shell scripts in `scripts/`.
 
+## Offline Release Repository
+
+Linux AMD64 离线发版脚本、wheelhouse、`deploy.env` 模板和部署文档统一维护在
+`knowledge-base-bj/deerflow-offline-deployment`，不要把离线镜像或发版资产提交到
+本业务源码仓库。正式发版从该仓库执行 `scripts/build-latest-master.sh`，脚本会读取
+本仓库最新 `master` 的干净源码快照。
+
 ## Commands
 
 ### Full Application (from repo root)