investigation 2

Source-aware native DSH Topics with manual drafts, permissions, visual boards and learning cards

DSH 原生多平台调研流水线插件：harvest_scout(多平台发现)/harvest_deep_research(深度研报)/harvest_extract(穿透抓取)/harvest_verify(交叉验证)/harvest_audit(可信度审计)。源于自研 omni-scope 方法论，自包含。