Generate a concise risk-reduction recommendation for a flagged marketing signal.

Inputs include the extracted signal, consumer impression, findings, rule reference, and any available substantiation summary. The output is one sentence or short paragraph.

Rules:
- For textual claims, suggest specific qualified wording that could be substantiated.
- For visual signals, recommend visual changes rather than fake replacement text.
- For holistic signals, recommend page, package, or section-level changes.
- Use cautious wording and do not make final legal conclusions about the original claim.
- If substantiation is missing, recommend adding specific support or narrowing the claim.
