feat: scaffold gold_monitor web hub, API, PM2 deploy and docs

app/static/css/app.css

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+:root {
+  --bg: #0a0a10;
+  --panel: #12121a;
+  --panel2: #1a1a29;
+  --border: #242435;
+  --text: #f0f0f5;
+  --muted: #9a9ab0;
+  --accent: #4cc2ff;
+  --accent2: #7b42ff;
+  --green: #0ecb81;
+  --red: #f6465d;
+  --warn: #e6a23c;
+}
+
+* { box-sizing: border-box; }
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei UI", sans-serif;
+  background: var(--bg);
+  color: var(--text);
+  min-height: 100vh;
+}
+a { color: var(--accent); text-decoration: none; }
+a:hover { text-decoration: underline; }
+
+.topbar {
+  display: flex;
+  align-items: center;
+  gap: 18px;
+  padding: 12px 20px;
+  border-bottom: 1px solid var(--border);
+  background: #0d0d16;
+  position: sticky;
+  top: 0;
+  z-index: 20;
+}
+.brand {
+  font-weight: 700;
+  background: linear-gradient(90deg, var(--accent), var(--accent2));
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  margin-right: 8px;
+}
+.nav a {
+  color: var(--muted);
+  margin-right: 14px;
+  font-size: 14px;
+}
+.nav a.active, .nav a:hover { color: var(--text); text-decoration: none; }
+.topbar .right { margin-left: auto; color: var(--muted); font-size: 13px; }
+
+.wrap { max-width: 1200px; margin: 0 auto; padding: 20px; }
+.grid { display: grid; gap: 14px; }
+.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
+.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
+@media (max-width: 900px) {
+  .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
+}
+
+.card {
+  background: var(--panel);
+  border: 1px solid var(--border);
+  border-radius: 14px;
+  padding: 16px 18px;
+  box-shadow: 0 8px 24px rgba(0,0,0,.25);
+}
+.card h2, .card h3 { margin: 0 0 12px; font-size: 16px; }
+.muted { color: var(--muted); font-size: 13px; }
+.stat { font-size: 28px; font-weight: 700; }
+
+.btn {
+  display: inline-block;
+  border: 0;
+  border-radius: 10px;
+  padding: 10px 14px;
+  background: linear-gradient(90deg, #3aa8e0, #6a3ad8);
+  color: #fff;
+  font-weight: 600;
+  cursor: pointer;
+}
+.btn.secondary { background: #2a2a3d; }
+.btn.danger { background: #8b2e3c; }
+.btn:hover { filter: brightness(1.08); }
+
+input, select, textarea {
+  width: 100%;
+  padding: 10px 12px;
+  border-radius: 10px;
+  border: 1px solid #2e2e45;
+  background: var(--panel2);
+  color: var(--text);
+  outline: none;
+}
+input:focus, select:focus, textarea:focus { border-color: var(--accent); }
+label { display: block; margin: 0 0 6px; color: #a9a9ff; font-size: 13px; }
+.form-row { margin-bottom: 12px; }
+
+table { width: 100%; border-collapse: collapse; font-size: 13px; }
+th, td { padding: 10px 8px; border-bottom: 1px solid var(--border); text-align: left; }
+th { color: var(--muted); font-weight: 600; }
+.tag {
+  display: inline-block;
+  padding: 2px 8px;
+  border-radius: 999px;
+  font-size: 12px;
+  background: #222235;
+}
+.tag.green { color: var(--green); background: rgba(14,203,129,.12); }
+.tag.red { color: var(--red); background: rgba(246,70,93,.12); }
+.tag.gray { color: var(--muted); }
+
+.flash {
+  padding: 10px 12px;
+  border-radius: 10px;
+  margin-bottom: 12px;
+  font-size: 14px;
+}
+.flash.ok { background: rgba(14,203,129,.12); color: var(--green); }
+.flash.error { background: rgba(246,70,93,.12); color: var(--red); }
+
+.chart-grid {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 12px;
+}
+.chart-box {
+  background: #0e0e18;
+  border: 1px solid var(--border);
+  border-radius: 12px;
+  padding: 10px;
+  min-height: 220px;
+}
+.chart-box h4 { margin: 0 0 8px; font-size: 13px; color: var(--muted); }
+.chart-canvas { width: 100%; height: 180px; display: block; }
+.empty-chart {
+  height: 180px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: var(--muted);
+  font-size: 13px;
+}

app/static/js/charts.js

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+/** 轻量蜡烛图（无外部依赖），用于复盘四周期预览 */
+(function () {
+  function drawCandleChart(canvas, bars) {
+    if (!canvas || !bars || !bars.length) return;
+    const dpr = window.devicePixelRatio || 1;
+    const cssW = canvas.clientWidth || 400;
+    const cssH = canvas.clientHeight || 180;
+    canvas.width = cssW * dpr;
+    canvas.height = cssH * dpr;
+    const ctx = canvas.getContext("2d");
+    ctx.scale(dpr, dpr);
+
+    const pad = 8;
+    let min = Infinity, max = -Infinity;
+    bars.forEach((b) => {
+      min = Math.min(min, b.low);
+      max = Math.max(max, b.high);
+    });
+    if (!(max > min)) {
+      max = min + 1;
+    }
+    const w = cssW - pad * 2;
+    const h = cssH - pad * 2;
+    const n = bars.length;
+    const slot = w / n;
+
+    ctx.clearRect(0, 0, cssW, cssH);
+    ctx.fillStyle = "#0e0e18";
+    ctx.fillRect(0, 0, cssW, cssH);
+
+    const yOf = (p) => pad + ((max - p) / (max - min)) * h;
+
+    bars.forEach((b, i) => {
+      const x = pad + i * slot + slot * 0.5;
+      const up = b.close >= b.open;
+      ctx.strokeStyle = up ? "#0ecb81" : "#f6465d";
+      ctx.fillStyle = ctx.strokeStyle;
+      ctx.beginPath();
+      ctx.moveTo(x, yOf(b.high));
+      ctx.lineTo(x, yOf(b.low));
+      ctx.stroke();
+      const y1 = yOf(b.open);
+      const y2 = yOf(b.close);
+      const top = Math.min(y1, y2);
+      const bh = Math.max(1, Math.abs(y2 - y1));
+      ctx.fillRect(x - Math.max(1, slot * 0.3), top, Math.max(2, slot * 0.6), bh);
+    });
+  }
+
+  document.querySelectorAll("canvas.chart-canvas").forEach((el) => {
+    try {
+      const bars = JSON.parse(el.dataset.bars || "[]");
+      drawCandleChart(el, bars);
+    } catch (e) {
+      console.warn(e);
+    }
+  });
+})();