feat: redesign match play and add broadcast tooling

streamer/tourney/Dockerfile

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+# Build from the repository root:
+# docker build -f streamer/tourney/Dockerfile -t vash-tourney streamer
+FROM oven/bun:1 AS build
+WORKDIR /src
+COPY tv/main.ts tv/main.ts
+COPY agent.ts obs.ts tosu.ts tourney.ts ./
+RUN bun build tv/main.ts --compile --minify --outfile /vash-tv \
+ && bun build agent.ts --compile --minify --outfile /vash-agent
+
+FROM debian:bookworm-slim
+RUN sed -i 's/Components: main/Components: main contrib/' /etc/apt/sources.list.d/debian.sources \
+ && dpkg --add-architecture i386 \
+ && apt-get update \
+ && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+    wine wine32:i386 wine64 xvfb ffmpeg chromium tini ca-certificates \
+    fonts-noto-core fonts-noto-cjk fonts-noto-color-emoji xdotool tesseract-ocr \
+    pulseaudio pulseaudio-utils x11vnc novnc websockify libfuse2 \
+    winetricks cabextract wget unzip \
+ && rm -rf /var/lib/apt/lists/* \
+ && useradd --create-home --uid 1000 tv
+COPY --from=build /vash-tv /usr/local/bin/vash-tv
+COPY --from=build /vash-agent /usr/local/bin/vash-agent
+COPY tourney/start.sh /usr/local/bin/vash-tourney-start
+RUN chmod +x /usr/local/bin/vash-tourney-start
+USER tv
+ENV WINEPREFIX=/data/wine WINEARCH=win32 GAMEPLAY_DISPLAY=:98 GAMEPLAY_WIDTH=1280 GAMEPLAY_HEIGHT=720 \
+    OSU_EXE=/data/osu/osu!.exe TOSU_BIN=/data/tosu/tosu PULSE_SOURCE=vash.monitor
+WORKDIR /home/tv
+VOLUME /data
+EXPOSE 6080
+ENTRYPOINT ["tini", "-g", "--", "vash-tourney-start"]

streamer/tourney/start.sh

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+#!/bin/sh
+set -eu
+
+: "${GAMEPLAY_DISPLAY:=:98}"
+: "${GAMEPLAY_WIDTH:=1280}"
+: "${GAMEPLAY_HEIGHT:=720}"
+: "${OSU_EXE:=/data/osu/osu!.exe}"
+: "${TOSU_BIN:=/data/tosu/tosu}"
+
+if [ ! -f "$OSU_EXE" ]; then
+  echo "Missing $OSU_EXE. Mount a dedicated osu! stable installation at /data/osu." >&2
+  exit 1
+fi
+
+Xvfb "$GAMEPLAY_DISPLAY" -screen 0 "${GAMEPLAY_WIDTH}x$((GAMEPLAY_HEIGHT + 220))x24" -nolisten tcp &
+export DISPLAY="$GAMEPLAY_DISPLAY"
+sleep 2
+
+if [ -n "${VNC_PASSWORD:-}" ]; then
+  x11vnc -storepasswd "$VNC_PASSWORD" /tmp/vash-vnc.pass >/dev/null
+  x11vnc -display "$GAMEPLAY_DISPLAY" -rfbauth /tmp/vash-vnc.pass -rfbport 5900 -forever -shared -quiet &
+  websockify --web=/usr/share/novnc 0.0.0.0:6080 127.0.0.1:5900 &
+fi
+
+pulseaudio --start --exit-idle-time=-1
+pactl load-module module-null-sink sink_name=vash >/dev/null
+export PULSE_SINK=vash
+
+# On first use, run osu! normally in the VNC screen, sign in with Remember
+# Username/Password, then restart without OSU_SETUP. The agent writes
+# tournament.cfg only after this setup run has ended.
+if [ "${OSU_SETUP:-0}" = 1 ]; then
+  if [ -f "$(dirname "$OSU_EXE")/tournament.cfg" ]; then
+    echo "OSU_SETUP needs a fresh installation without tournament.cfg." >&2
+    exit 1
+  fi
+  if [ "${OSU_DOTNET:-0}" = 1 ]; then
+    winetricks -q dotnet48
+  fi
+  cd "$(dirname "$OSU_EXE")"
+  exec wine "$OSU_EXE"
+fi
+
+if [ ! -x "$TOSU_BIN" ]; then
+  echo "Missing executable $TOSU_BIN. Mount the tosu Linux build at /data/tosu/tosu." >&2
+  exit 1
+fi
+if [ -z "${VASH_SERVER:-}" ] || [ -z "${VASH_CHANNEL:-}" ] || [ -z "${VASH_TOKEN:-}" ]; then
+  echo "Set VASH_SERVER, VASH_CHANNEL and VASH_TOKEN." >&2
+  exit 1
+fi
+
+export TOSU_OSU_PATH="$(dirname "$OSU_EXE")"
+(
+  while :; do
+    "$TOSU_BIN" || true
+    echo "tosu stopped; restarting in 3 seconds" >&2
+    sleep 3
+  done
+) &
+(
+  while :; do
+    AUTO_JOIN=1 vash-agent --server "$VASH_SERVER" --channel "$VASH_CHANNEL" --token "$VASH_TOKEN" --osu-exe "$OSU_EXE" --auto-join || true
+    echo "Vash agent stopped; restarting in 3 seconds" >&2
+    sleep 3
+  done
+) &
+exec vash-tv