The Fact & Gap Checker compares fresh live-research findings against existing brand claims, automatically tagging each memory claim as confirmed, contradicted, or a newly discovered blind spot using a strict classification schema saved directly into the claims and claim_sources tables.

sequenceDiagram
    autonumber
    actor User as SEO Strategist
    participant GM as Grounded Memory Engine
    participant FGC as Fact and Gap Checker
    participant DB as Postgres DB

    User->>GM: Trigger Grounded Validation
    GM->>GM: Multi-round Web Search
    GM->>FGC: Pass Findings and Claims
    FGC->>FGC: Classify Claims Confirmed Contradicted New
    FGC->>DB: Update Verdicts correct incorrect gap
    FGC->>DB: Link Citation Sources per Claim
    DB-->>User: Visual Diff of Knowledge Gaps