Merge branch 'dhk-v3' into 'master'

ceshi1

See merge request knowledge-base-bj/deerflow-server!2

offline-backend-20260512/backend/CLAUDE.md

@@ -1,5 +1,5 @@
 # CLAUDE.md
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+d
 This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
 
 ## Project Overview