Search fixes: Ctrl+K now flags when more matches exist beyond the shown window; page aliases no longer leak to same-named files; and one unparseable page can no longer drop unrelated pages from search. Also: the narrow/mobile top bar no longer pushes buttons off-screen, page-property backlinks (tags:: etc.) render properly in Linked References, recursive and self embeds are guarded, and pressing Enter in page-header properties no longer errors.
