feat: M0-M2 骨架落地（服务端/前端/宿主/数据库/积分引擎）

- server: Go 单二进制骨架，embed 内嵌前端，配置/迁移/HTTP 路由
- store: system.db + event.db 两套迁移，业务表 + 种子数据
- domain: 积分引擎（并列三口径/计分通道/流水/排名/破纪录）+ 68 个测试
- web: Vite + Vue 三入口骨架 + shared 层（类型/API/WebSocket 客户端）
- console: Electron 宿主骨架（选屏/防熄屏/进程守护/托盘）

console/renderer/app.js

@@ -0,0 +1,130 @@
+'use strict'
+
+const el = {
+  version: document.getElementById('app-version'),
+  stateDot: document.getElementById('state-dot'),
+  stateLabel: document.getElementById('state-label'),
+  stateDetail: document.getElementById('state-detail'),
+  url: document.getElementById('k-url'),
+  pid: document.getElementById('k-pid'),
+  restarts: document.getElementById('k-restarts'),
+  power: document.getElementById('k-power'),
+  exe: document.getElementById('k-exe'),
+  config: document.getElementById('k-config'),
+  configWarning: document.getElementById('config-warning'),
+  displayList: document.getElementById('display-list'),
+  log: document.getElementById('log'),
+  autoscroll: document.getElementById('autoscroll'),
+  btnStart: document.getElementById('btn-start'),
+  btnStop: document.getElementById('btn-stop'),
+  btnRestart: document.getElementById('btn-restart'),
+  btnRelayout: document.getElementById('btn-relayout'),
+  btnOpenAdmin: document.getElementById('btn-open-admin'),
+  btnClearLog: document.getElementById('btn-clear-log')
+}
+
+const DOT_CLASS = {
+  running: 'ok',
+  starting: 'warn',
+  stopping: 'warn',
+  crashed: 'err',
+  stopped: ''
+}
+
+let lastStatus = null
+
+function renderStatus(status) {
+  lastStatus = status
+  el.version.textContent = status.appVersion ? `v${status.appVersion}` : ''
+
+  el.stateDot.className = `dot ${status.healthy ? 'ok' : DOT_CLASS[status.state] || ''}`
+  el.stateLabel.textContent = status.stateLabel || status.state
+  el.stateDetail.textContent = status.healthy
+    ? '健康检查通过'
+    : status.lastError || (status.state === 'stopped' ? '服务未运行' : '等待健康检查')
+
+  el.url.textContent = status.url || '—'
+  el.pid.textContent = status.pid || '—'
+  el.restarts.textContent = status.restarts ? `${status.restarts} 次` : '0 次'
+  el.power.textContent = status.powerSaveBlocked ? '已启用（阻止显示器休眠）' : '未启用'
+  el.exe.textContent = status.exePath || '—'
+  el.config.textContent = status.configPath || '—'
+
+  if (status.configWarning) {
+    el.configWarning.hidden = false
+    el.configWarning.textContent = status.configWarning
+  } else {
+    el.configWarning.hidden = true
+  }
+
+  const busy = ['starting', 'running', 'stopping'].includes(status.state)
+  el.btnStart.disabled = busy
+  el.btnStop.disabled = !busy
+  el.btnRestart.disabled = !busy
+
+  renderDisplays(status.displays || [])
+}
+
+function renderDisplays(displays) {
+  el.displayList.textContent = ''
+  if (!displays.length) {
+    const li = document.createElement('li')
+    li.className = 'muted'
+    li.textContent = '尚未打开大屏窗口'
+    el.displayList.append(li)
+    return
+  }
+  for (const item of displays) {
+    const li = document.createElement('li')
+    const page = document.createElement('span')
+    page.className = 'page'
+    page.textContent = `屏 ${item.displayId} · ${item.page}`
+    const url = document.createElement('span')
+    url.className = 'url'
+    url.textContent = item.url || '（加载中）'
+    li.append(page, url)
+    el.displayList.append(li)
+  }
+}
+
+function appendLog(line) {
+  const atBottom = el.log.scrollTop + el.log.clientHeight >= el.log.scrollHeight - 8
+  el.log.textContent += `${line}\n`
+  if (el.autoscroll.checked && atBottom) {
+    el.log.scrollTop = el.log.scrollHeight
+  }
+}
+
+function setLog(lines) {
+  el.log.textContent = lines.length ? `${lines.join('\n')}\n` : ''
+  el.log.scrollTop = el.log.scrollHeight
+}
+
+async function refresh() {
+  renderStatus(await window.consoleApi.getStatus())
+}
+
+function bindActions() {
+  el.btnStart.addEventListener('click', async () => renderStatus(await window.consoleApi.startService()))
+  el.btnStop.addEventListener('click', async () => renderStatus(await window.consoleApi.stopService()))
+  el.btnRestart.addEventListener('click', async () => renderStatus(await window.consoleApi.restartService()))
+  el.btnRelayout.addEventListener('click', async () => renderStatus(await window.consoleApi.relayoutDisplays()))
+  el.btnClearLog.addEventListener('click', async () => {
+    await window.consoleApi.clearLog()
+    setLog([])
+  })
+  el.btnOpenAdmin.addEventListener('click', () => {
+    const url = (lastStatus && lastStatus.adminUrl) || 'http://127.0.0.1:8080/admin'
+    window.consoleApi.openExternal(url)
+  })
+}
+
+async function boot() {
+  bindActions()
+  window.consoleApi.onStatus(renderStatus)
+  window.consoleApi.onLog(appendLog)
+  setLog(await window.consoleApi.getLog())
+  await refresh()
+}
+
+boot()