icon.png replaces the scaffold placeholder — resized to 512x512 and
palette-quantized (1.9MB source -> 52.9KB) to stay close to the packaging
guide's 40 KiB guidance with no visible quality loss at icon size. Verified
station-master_x86_64.s9pk builds clean with a single icon.* file (the
packer errors on more than one) and `s9pk inspect` confirms icon.png is
packed correctly.
The `ui` interface now opens at `/play.html` instead of `/`. Root serves
index.html, the game's marketing splash — identical to the public static
solitaire site, and with no lobby or Multiplayer button on it; both live on
play.html (src/web/main.ts's `start()`, reached from index.html's door
link). That page is right for a stranger landing on the public site, wrong
for someone who just installed a dedicated multiplayer server and found
what looked like the same solitaire page with no way to host or join a
game. Verified: fetching /play.html from inside the container and over the
service's public address both return the page with the Multiplayer button
present.
Reinstalled on phoenix.local after each change.
