Audit and fix duplicate title tags across a site

A Screaming Frog crawl of [yourdomain.com] just flagged 340 pages with duplicate
title tags, out of 2,100 total indexed URLs. Spot-checking a few, some are clearly a
templating bug (auto-generated titles all reading "Shop | Store Name") and some are
genuinely near-duplicate product pages that probably shouldn't both exist.

CRAWL EXPORT (paste the duplicate title report, URL + title columns): [paste here]
SITE TYPE: [WooCommerce store selling phone cases]

Work through this the way you'd triage a technical audit for a client who's paying
by the hour, so grouping matters more than volume:
1. Cluster the 340 URLs into buckets by root cause: (a) a template outputting the
   same title on every page of a type, e.g. all paginated category pages, (b)
   near-duplicate or variant pages that should probably be canonicalized or merged,
   (c) genuinely distinct pages that just happen to share a title by coincidence.
2. For bucket (a), propose one dynamic title template that would fix all affected
   URLs at once (e.g. "{Category Name} - Page {n} | Store Name") rather than
   rewriting each title individually, since that's the actual fix.
3. For bucket (b), recommend for each cluster whether to merge the pages, add a
   canonical tag, or differentiate the titles because the products are different
   enough to deserve their own snippet, and say which signal made you decide that.
4. For bucket (c), write unique, specific titles for up to 15 of the highest-traffic
   examples (paste titles I should prioritize if I have Analytics data).
5. Flag if more than 10% of the duplicates are on paginated or filtered URLs, since
   that usually means a faceted navigation indexing problem, not a title-writing
   problem, and the fix is a noindex or canonical strategy, not new titles.