Deep Research Create high-fidelity research reports with strict format control, evidence mapping, source governance, and multi-pass synthesis. Architecture: Lead Agent + Subagents Context discipline: Keep raw search-result noise in task workspaces. Pass evidence packets to the lead agent, including locators and short source excerpts. Notes are routing aids, not authorities: the lead agent must open the original source for every load-bearing claim, conflicting claim, and exact figure/date/quotation used in the report. Run and asset contract — every invocation Before external retrieval, read re…