Turn a question or topic into an evidence-backed, cited research output (literature review, technical report, option comparison, project scoping). Default Engineer mode (define question -> multi-source search -> cross-verify -> structured output); Philosopher mode for truly mapping a field's threads and debates. Can call the deep-research skill for heavy fan-out. Saves to outputs/research/. Use when the user says "research X", "do a survey of", or invokes the skill.
