submits a query or a task Retrieval (multi-source) Relevant content is fetched from available sources (usually the index). Safety starts even at this stage. Ranking Retrieved content scored & ordered by relevance, quality, authority, freshness Evidence synthesis Top-ranked items are merged, de-duplicated, summarized, and structured into clean evidence blocks. Safety filtering Evidence is checked against safety, compliance, and policy constraints (PII, harmful content, etc.)