Comprehensive requirements engineering reference covering elicitation techniques (structured interviews, Event Storming, Example Mapping, Story Mapping, JTBD), stakeholder analysis, domain modeling, prioritization frameworks (MoSCoW, RICE, WSJF, Kano), NFR specification with Planguage, AI-assisted RE, EU AI Act obligations, and documentation standards (SRS, BDD/Gherkin, VOLERE). Use when helping with requirements gathering, user story writing, stakeholder workshops, acceptance criteria, backlog refinement, or any requirements analysis task.