- AgentDocumentDrawer: delete button in list cards and detail view header
with confirm dialog, auto-refresh list after delete
- Drawer now re-fetches on every open (not just first time)
- agent-document service: add getMemoryContext(userId) — queries all
memory-type docs, wraps in <memory> tag
- chat-engine: inject memory context into systemPrompt for logged-in users
Co-authored-by: CodeFree <codefree@chinatelcom.cn>