The two filter rows (📄 file/ext + 📁 folder) didn't really earn their
header real estate. Browse is for navigating directory structure;
ad-hoc filters across a tree of mixed file types and depths weren't
the right affordance, and the visual weight competed with the column
headers and the breadcrumb. Removed entirely:
- template.html: dropped both <tr class="filter-row"> rows in <thead>,
the related "Filter rows" help section, and the empty-state copy
that mentioned the 📄/📁 rows.
- init.js: dropped state.filters (file/folder/ext slots).
- events.js: dropped the .column-filter[data-filter] input wiring.
- tree.js: dropped recomputeVisibility() and the n.visible plumbing
in visibleIds() and updateCount(). Render is now a straight depth-
first walk over expanded subtrees; the count is just total rows.
setFilter is removed from the public API.
- css/tree.css: dropped .filter-row*, .filter-row__icon, and the
browse-local .column-filter rules (.column-filter is also defined
in shared/base.css for tools that still use it; that stays).
No test changes — tests/browse.spec.js never exercised filters.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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