- New agent_documents table: id/userId/sessionId/type/title/content/summary/tags/createdAt/updatedAt - 3 indexes: user_id, user_id+type, user_id+session_id - Add 'document' to AgentToolTypes enum - Add document tool seed (sortOrder=150, needsApproval=1) - Migration 0002_noisy_ronan.sql generated and applied Co-authored-by: CodeFree <codefree@chinatelcom.cn>