flowchart LR
    A[Scan Draft Links] --> B{Is Target URL?}
    B -- Yes --> C[Shield: Keep Link Intact]
    B -- No --> D{HTTP Status Check}
    D -- Live 2xx/3xx --> E[Keep Link]
    D -- Dead/4xx/5xx --> F[Unwrap to Plain Text]
    C --> G[Validate Link Placement]
    E --> G
    F --> G