- drop the redundant isLoadingMore boolean from the background-loading
store; derive from inFlight > 0 in the selector
- pull _active_source_root_paths out of get_library_stats and reuse it
from get_duplicate_groups (same is_active + admin-scope check, now
in one place)
- drop p.rstrip('/') in the duplicates folder-scope filter (SourceRoot
paths are never written with a trailing slash)
- match Timeline's initial-load affordance to the new bottom indicator
(Loader2 spinner + ellipsis instead of plain "Loading photos...")
- trim narrative comments that explained what the surrounding code does
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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