Checkpoint-1 polish (Konrad):
- 'From (optional)' — the parenthetical is now ~50% smaller (0.6rem)
so the label's primary text dominates, matching his intent of a
subordinate hint rather than a competing word.
- 'Until' — adds a small info-circle icon with a Bootstrap tooltip
reading 'Single month select'. Inline small-font text was my first
attempt but wrapped to two lines inside the narrow column; the icon
tooltip keeps the label tidy while the hint is one hover away.
Bootstrap tooltip auto-init (base.html) handles the binding —
matches CLAUDE.md's global tooltip pattern.
No functional change. 47/47 tests still green (no view code touched).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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