Kaia Counter Free — v0.1.0-dev6

Development rule
- dev4 remains untouched.
- dev5 was created as a separate new generation by transcribing dev4.

Changes from dev4
- Note is one line only in Free.
- Note is limited to 120 characters.
- Note remains plain text only; links and HTML are unavailable.
- Button text allows at most 2 intentional lines.
- Button text is limited to 72 characters.
- Browser/device responsive wrapping is NOT restricted.
- Other editable text fields keep dev4's newline + auto-grow behavior.

Upgrade behavior
- Existing user settings remain stored under the same Kaia Counter Free option namespace.
- Updating the plugin does not reset customized text or selected palettes.
- Existing dev3/dev4 default-title migration remains in place.

Unchanged Free boundaries
- 6 digits
- XXXXXX mask
- 12-hour lock
- standard font and text size
- 10 preset palettes
- no clickable links in Free editable text
- no rolling animation
