Review the attached Google Ads search-terms export. Produce a review memo, not account changes.

Business and offer: [describe what is sold and excluded]
Campaign goals and approved conversions: [define]
Account currency and reporting dates: [define]
Typical conversion delay and attribution window: [define]
Brand terms and protected queries: [list]
Existing negative keywords and match types: [attach if available]

1. Check which columns and date ranges are present. Ask for missing business context. Do not invent conversion tracking health, attribution settings, revenue, or unavailable search terms.
2. Calculate totals from the supplied rows using code. Keep data-derived facts separate from judgments. Note that an export may not contain every query.
3. Group findings into retain, investigate, and possible negative candidates. Explain each decision using the exact query, row identifier, metrics, and business relevance.
4. Do not equate zero conversions with wasted spend. Check the reporting window, sample size, conversion delay, tracking quality, and intent. Flag missing evidence.
5. For each possible negative, propose a match type and scope. Check conflicts with protected terms, converting queries, and relevant offers. Give the reviewer a reason to accept or reject it.
6. Return: data checks; an evidence table; proposed actions; unresolved questions; and a review checklist. Do not promise savings or modify the account.

If an installed skill is used, identify its name and version. If it is unavailable, say so and perform only the review described here.