sequenceDiagram
    autonumber
    actor User
    participant Router as Link Optimizer Router
    participant Parser as HTML Parser
    participant Gemini as Gemini Model
    participant LinkBERT as LinkBERT Service

    User->>Router: Submit URL or HTML
    Router->>Parser: Extract text & anchor spans
    Parser-->>Router: Flat text & char offsets

    par Parallel Evaluation
        Router->>Gemini: Classify money vs filler links
        Gemini-->>Router: Commercial link verdicts
    and
        Router->>LinkBERT: Score link probabilities
        LinkBERT-->>Router: Word tokens & probability scores
    end

    Router->>Router: Correlate verdicts & scores by offset
    Router-->>User: Visualized text with overlay & slider