These four landing pages already had the site-wide header leaderboard
via <Header />, but no additional in-content banner. Add one 728x90
slot at the bottom of the main column on each, gated on
ADS_728X90.length > 0 and hidden on mobile to match the header
banner's display rules.
- /gear — category landing
- /technology — category landing
- /forum — community landing
- /authors/[slug] — author profile
Brings these pages in line with /show-coverage and /about/* which got
the same treatment earlier.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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