v0.8.3 — Animated boot splash

A cosmetic touch for startup.

Added

• Boot splash. Launching tuiboard paints a tuiboard wordmark (FIGlet "Rectangles", in the tool's light-yellow accent) the instant the process starts, so the ~1s cold start (runtime + store build + first calendar/agents read) isn't a blank terminal. The launcher animates the booting dots while the dashboard process loads in parallel, then hands the screen over cleanly — no startup time added. The cursor is hidden during the splash and restored on exit. Set TUIBOARD_NO_SPLASH=1 to disable; it also no-ops when output isn't a TTY or the terminal is tiny.

Full notes: CHANGELOG