Systematic review Phase 6 — Risk of bias assessment using RoB 2.0, ROBINS-I, QUADAS-2, QUIPS, and JBI tools for EM/critical care SRs. Use when the user needs to assess study quality, select the correct RoB tool, apply domain-level judgments, generate robvis visualizations, or interpret risk of bias. Trigger on "risk of bias", "RoB", "RoB 2", "ROBINS-I", "QUADAS-2", "QUIPS", "quality assessment", "robvis", "traffic light", "sensitivity analysis", "study quality". Use ONLY when assessing risk of bias or methodological quality.