"use strict";
/* ==========================================================================
   xiaobai-datahub 管理后台 · 第八版「星港中枢」
   一台持续运转的星系：整页星空舞台，中央自转星体 + 4 颗来源卫星沿 2 层完整椭圆
   轨道环绕，滚动只是在同一座星系里移动镜头强调；A2 路由器式 LINK/ACT 信号灯——
   全部由真实接口数据驱动，没有任何模拟流量。
   只有 tushare 的逐次调用（recent_calls）和 eastmoney/tencent/ifind 的健康探测
   （每次拉取 /admin/api/sources 都是一次真实网络探测）能证明"发生过一次事件"，
   因此只有这四路会闪 ACT；ths/xgb/akshare 是预留源，永远不闪。
   ========================================================================== */

/* ---------------------------------------------------------------- 基础工具 */
function $(id) { return document.getElementById(id); }
function esc(value) {
  return String(value ?? "").replace(/[&<>"]/g, (ch) => ({ "&": "&amp;", "<": "&lt;", ">": "&gt;", '"': "&quot;" }[ch]));
}
function timeShort(value) {
  const s = String(value ?? "");
  const m = s.match(/(\d{2}:\d{2}:\d{2})/);
  return m ? m[1] : s.replace("T", " ").slice(0, 16);
}
function clamp(v, a, b) { return Math.max(a, Math.min(b, v)); }

const state = {
  csrf: "",
  scene: 0,
  releaseDate: "",
  reduced: false,
  visible: document.visibilityState === "visible",
  online: navigator.onLine,
  data: { overview: null, sources: null, jobs: null, batches: null, datasets: null, audit: null },
};

async function api(path, options = {}) {
  const headers = Object.assign({ "Content-Type": "application/json" }, options.headers || {});
  if (state.csrf && (options.method || "GET") !== "GET") headers["X-CSRF-Token"] = state.csrf;
  const res = await fetch(path, Object.assign({}, options, { headers, credentials: "same-origin" }));
  const body = await res.json();
  if (!res.ok) {
    const msg = (body.error && body.error.message) || body.error || res.statusText;
    throw new Error(msg);
  }
  return body;
}

function show(id) {
  ["login-view", "change-view", "shell"].forEach((key) => { $(key).hidden = key !== id; });
}

function table(headers, rows) {
  const thead = headers.map((h) => `<th>${esc(h)}</th>`).join("");
  const body = rows.length
    ? rows.map((cols) => `<tr>${cols.map((c) => `<td>${c}</td>`).join("")}</tr>`).join("")
    : `<tr><td colspan="${headers.length}">暂无数据</td></tr>`;
  return `<table><thead><tr>${thead}</tr></thead><tbody>${body}</tbody></table>`;
}

/* ---------------------------------------------------------------- 登录 / 会话 */
async function boot() {
  try {
    const session = await api("/admin/api/session");
    state.csrf = session.csrf;
    $("who").textContent = session.username;
    if (session.must_change) { show("change-view"); return; }
    show("shell");
    enterShell();
  } catch {
    show("login-view");
  }
}

$("login-form").addEventListener("submit", async (event) => {
  event.preventDefault();
  const form = new FormData(event.target);
  $("login-error").hidden = true;
  try {
    const result = await api("/admin/api/login", {
      method: "POST",
      body: JSON.stringify({ username: form.get("username"), password: form.get("password") }),
    });
    state.csrf = result.csrf;
    if (result.must_change) show("change-view");
    else { show("shell"); enterShell(); }
  } catch (err) {
    $("login-error").hidden = false;
    $("login-error").textContent = err.message;
  }
});

$("change-form").addEventListener("submit", async (event) => {
  event.preventDefault();
  const form = new FormData(event.target);
  try {
    await api("/admin/api/change-password", {
      method: "POST",
      body: JSON.stringify({ current: form.get("current"), new_password: form.get("new_password") }),
    });
    show("shell");
    enterShell();
  } catch (err) {
    $("change-error").hidden = false;
    $("change-error").textContent = err.message;
  }
});

$("logout-btn").addEventListener("click", async () => {
  await api("/admin/api/logout", { method: "POST", body: "{}" });
  Poller.stopAll();
  Stage.stop();
  show("login-view");
});

/* ---------------------------------------------------------------- 主题（日/夜） */
function applyTheme(theme) {
  const root = document.documentElement;
  if (theme === "night") root.setAttribute("data-theme", "night");
  else root.removeAttribute("data-theme");
  $("theme-btn").textContent = theme === "night" ? "日间" : "夜间";
  try { localStorage.setItem("hub_theme", theme); } catch { /* ignore storage errors */ }
  Stage.onThemeChange(theme);
}
$("theme-btn").addEventListener("click", () => {
  const current = document.documentElement.getAttribute("data-theme") === "night" ? "night" : "day";
  applyTheme(current === "night" ? "day" : "night");
});

/* ---------------------------------------------------------------- 减少动态效果 & 可见性 & 网络 */
const REDUCE_MQ = matchMedia("(prefers-reduced-motion: reduce)");
function applyReduced(reduced) {
  state.reduced = reduced;
  document.documentElement.classList.toggle("reduced", reduced);
  if (reduced) { Stage.stop(); StaticShell.mount(); }
  else { StaticShell.unmount(); Stage.start(); }
}
REDUCE_MQ.addEventListener("change", (e) => applyReduced(e.matches));

document.addEventListener("visibilitychange", () => {
  state.visible = document.visibilityState === "visible";
  onRuntimeAvailabilityChange();
});
window.addEventListener("online", () => { state.online = true; onRuntimeAvailabilityChange(); });
window.addEventListener("offline", () => { state.online = false; onRuntimeAvailabilityChange(); });

function runtimeAvailable() { return state.visible && state.online; }
function onRuntimeAvailabilityChange() {
  if (!$("shell") || $("shell").hidden) return;
  if (runtimeAvailable()) {
    // 恢复：不补播旧事件——所有通道先静默重建基线，再继续真实轮询
    Poller.resume();
    if (!state.reduced) Stage.resume();
  } else {
    // 隐藏/切页/断网：取消未播闪簇、清空队列、停止循环
    Poller.pause();
    Lamps.clearAll();
    if (!state.reduced) Stage.pause();
  }
  updateCrumbStatus();
}
function updateCrumbStatus() {
  const el = $("crumb");
  if (!el) return;
  if (!state.online) { el.textContent = "网络已断开 · 已暂停实时"; return; }
  if (!state.visible) { el.textContent = "已切至后台 · 已暂停动效"; return; }
  el.textContent = SCENES[state.scene] ? `8766 · ${SCENES[state.scene].label} · 持续运转` : "8766 · 四源汇流 · 持续运转";
}

/* ==========================================================================
   A2 信号灯引擎：只有真实事件才能点亮 ACT。
   - 单一来源的一簇事件最多折叠为 3 次短闪。
   - 全站所有通道共享一个节流阀：任意 1 秒窗口内新起的闪烁簇不超过 3 个，
     各来源互不同步（各自独立的小抖动），不做全局统一节拍。
   ========================================================================== */
const FLASH_ON = 90, FLASH_GAP = 160, MAX_CLUSTER = 3;
const GLOBAL_WINDOW = 1000, GLOBAL_CAP = 3;
const globalFlashStarts = [];
function reserveGlobalSlot(tNow) {
  // 清掉确定已经过去（早于 tNow 一个窗口以上）的排队记录，
  // 未来还会发生的排队起点必须保留，否则后续簇的计算会失去锚点。
  while (globalFlashStarts.length && tNow - globalFlashStarts[0] > GLOBAL_WINDOW) globalFlashStarts.shift();
  const n = globalFlashStarts.length;
  let start;
  if (n < GLOBAL_CAP) {
    // 队列未满：本簇可以立即起闪。
    start = tNow;
  } else {
    // 队列已排到 CAP：新起点必须晚于「倒数第 CAP 个已排队起点」一个窗口以上，
    // 这样任何滚动 1 秒窗口内的新起簇数量都 ≤ CAP，而不是全都挤在同一段延迟里。
    const anchor = globalFlashStarts[n - GLOBAL_CAP];
    start = Math.max(tNow, anchor + GLOBAL_WINDOW + 40 + Math.random() * 120);
  }
  globalFlashStarts.push(start);
  globalFlashStarts.sort((a, b) => a - b);
  return start;
}

class LampChannel {
  constructor(id) { this.id = id; this.bursts = []; this.link = "unknown"; this.lastAt = 0; }
  push(n, kind) {
    const count = clamp(Math.round(n) || 1, 1, MAX_CLUSTER);
    const start = reserveGlobalSlot(performance.now());
    this.bursts.push({ start, n: count, kind: kind || "ok" });
    this.lastAt = Date.now();
  }
  clear() { this.bursts.length = 0; }
  level(tMs) {
    for (let i = this.bursts.length - 1; i >= 0; i--) {
      const b = this.bursts[i];
      const dur = (b.n - 1) * FLASH_GAP + FLASH_ON;
      const dt = tMs - b.start;
      if (dt < 0) continue;
      if (dt <= dur) { const ph = dt % FLASH_GAP; return ph < FLASH_ON ? 1 : 0.1; }
      if (dt <= dur + 260) return 0.22 * (1 - (dt - dur) / 260);
    }
    return 0;
  }
  activeKind(tMs) {
    for (let i = this.bursts.length - 1; i >= 0; i--) {
      const b = this.bursts[i];
      const dur = (b.n - 1) * FLASH_GAP + FLASH_ON + 260;
      if (tMs - b.start <= dur) return b.kind;
    }
    return null;
  }
  prune(tMs) { this.bursts = this.bursts.filter((b) => tMs - b.start < (b.n - 1) * FLASH_GAP + FLASH_ON + 400); }
}
const Lamps = {
  tushare: new LampChannel("tushare"),
  eastmoney: new LampChannel("eastmoney"),
  tencent: new LampChannel("tencent"),
  ifind: new LampChannel("ifind"),
  junction: new LampChannel("junction"),
  tx: new LampChannel("tx"),
  audit: new LampChannel("audit"),
  clearAll() { Object.values(this).forEach((c) => { if (c instanceof LampChannel) c.clear(); }); globalFlashStarts.length = 0; },
};
const FLOW_PROVIDERS = ["tushare", "eastmoney", "tencent", "ifind"];
const FLOW_LABEL = {
  tushare: "tushare · 官方盘后", eastmoney: "eastmoney · 盘中观察",
  tencent: "tencent · 盘中观察", ifind: "ifind · 授权实时",
};
/* 事件脉冲：来源 ACT 起闪 → 沿流道 → 核心接点 → TX；只在真实事件时入队 */
const PACKETS = [];
function emitPacket(providerIdx, kindRollback) {
  PACKETS.push({ src: providerIdx, t0: performance.now(), rb: !!kindRollback });
  if (PACKETS.length > 40) PACKETS.splice(0, PACKETS.length - 40); // 硬上限，防止无限增长
}
function fireSource(provider, n, kind) {
  const idx = FLOW_PROVIDERS.indexOf(provider);
  if (idx < 0) return;
  Lamps[provider].push(n, kind);
  emitPacket(idx, kind === "rollback");
  setTimeout(() => Lamps.junction.push(1, kind), 900);
  setTimeout(() => Lamps.tx.push(1, kind), 1650);
}

/* ==========================================================================
   数据轮询 + 真实事件识别（只认已经发生的事实，不臆造）
   ========================================================================== */
const Seen = {
  callsMax: -1, jobRunsMax: -1, auditMax: -1,
  batchState: new Map(), pubPublishedAt: new Map(),
  firstOverview: true, firstJobs: true, firstAudit: true, firstBatches: true,
};

async function pollOverview() {
  const data = await api("/admin/api/overview");
  const wasFirst = Seen.firstOverview;
  const calls = data.recent_calls || [];
  let maxId = Seen.callsMax;
  const fresh = [];
  for (const c of calls) { if (c.id > Seen.callsMax) fresh.push(c); if (c.id > maxId) maxId = c.id; }
  Seen.callsMax = maxId;
  Seen.firstOverview = false;
  if (!wasFirst && fresh.length) fireSource("tushare", fresh.length, fresh.some((c) => !c.ok) ? "error" : "ok");
  state.data.overview = data;
  Views.refresh();
}

async function pollSources() {
  const data = await api("/admin/api/sources");
  for (const item of data.items) {
    if (!FLOW_PROVIDERS.includes(item.provider)) continue;
    const health = item.health || {};
    const link = health.state === "ok" || health.state === "empty" ? "ok" : (health.state === "unconfigured" ? "unconfigured" : "error");
    Lamps[item.provider].link = link;
    // 每一次 /admin/api/sources 请求都会对该源做一次真实探测（现网行为），
    // 探测本身完成即是一次真实事件；未配置的源不闪（没有发生过真实调用）。
    if (item.provider !== "tushare" && link !== "unconfigured") {
      Lamps[item.provider].push(1, link === "ok" ? "ok" : "error");
      emitPacket(FLOW_PROVIDERS.indexOf(item.provider), false);
      setTimeout(() => Lamps.junction.push(1, link), 700);
    }
  }
  state.data.sources = data;
  Views.refresh();
}

async function pollJobs() {
  const data = await api("/admin/api/jobs");
  const wasFirst = Seen.firstJobs;
  let maxId = Seen.jobRunsMax;
  const fresh = [];
  for (const r of data.runs || []) { if (r.id > Seen.jobRunsMax) fresh.push(r); if (r.id > maxId) maxId = r.id; }
  Seen.jobRunsMax = maxId;
  Seen.firstJobs = false;
  if (!wasFirst && fresh.length) {
    const anyFail = fresh.some((r) => r.state === "failed");
    Lamps.junction.push(fresh.length, anyFail ? "error" : "ok");
  }
  state.data.jobs = data;
  Stage.freshJobRuns = fresh;
  Views.refresh();
}

async function pollBatches() {
  const date = state.releaseDate || "";
  const data = await api(`/admin/api/batches?date=${encodeURIComponent(date)}`);
  const wasFirst = Seen.firstBatches;
  let changed = false;
  for (const b of data.batches || []) {
    const prev = Seen.batchState.get(b.batch_id);
    if (prev !== b.state) { changed = true; Seen.batchState.set(b.batch_id, b.state); }
  }
  let published = false;
  for (const p of data.publications || []) {
    const key = `${p.dataset}:${p.trade_date}`;
    const prev = Seen.pubPublishedAt.get(key);
    if (prev !== p.published_at) { published = true; Seen.pubPublishedAt.set(key, p.published_at); }
  }
  Seen.firstBatches = false;
  if (!wasFirst && published) Lamps.tx.push(1, "pub");
  else if (!wasFirst && changed) Lamps.junction.push(1, "ok");
  state.data.batches = data;
  Views.refresh();
}

async function pollDatasets() {
  const date = "";
  const data = await api(`/admin/api/datasets?date=${encodeURIComponent(date)}`);
  state.data.datasets = data;
  Views.refresh();
}

async function pollAudit() {
  const data = await api("/admin/api/audit");
  const wasFirst = Seen.firstAudit;
  let maxId = Seen.auditMax;
  const fresh = [];
  for (const a of data.items || []) { if (a.id > Seen.auditMax) fresh.push(a); if (a.id > maxId) maxId = a.id; }
  Seen.auditMax = maxId;
  Seen.firstAudit = false;
  if (!wasFirst && fresh.length) {
    const rollback = fresh.some((a) => String(a.action).includes("rollback"));
    Lamps.audit.push(fresh.length, rollback ? "rollback" : "ok");
  }
  state.data.audit = data;
  Views.refresh();
}

const Poller = (() => {
  const specs = [
    { key: "overview", fn: pollOverview, every: 20000 },
    { key: "sources", fn: pollSources, every: 45000 },
    { key: "jobs", fn: pollJobs, every: 25000 },
    { key: "batches", fn: pollBatches, every: 25000 },
    { key: "datasets", fn: pollDatasets, every: 60000 },
    { key: "audit", fn: pollAudit, every: 20000 },
  ];
  const timers = new Map();
  function tickOne(spec) {
    spec.fn().catch((err) => console.error(`[hub] poll ${spec.key} failed`, err));
  }
  function schedule(spec) {
    clearTimer(spec.key);
    const t = setInterval(() => { if (runtimeAvailable()) tickOne(spec); }, spec.every);
    timers.set(spec.key, t);
  }
  function clearTimer(key) { if (timers.has(key)) { clearInterval(timers.get(key)); timers.delete(key); } }
  function startAll() {
    specs.forEach((spec, i) => { setTimeout(() => { tickOne(spec); schedule(spec); }, i * 160); });
  }
  function stopAll() { specs.forEach((s) => clearTimer(s.key)); }
  function pause() { stopAll(); }
  function resume() {
    // 恢复时先静默重建基线（不补播旧事件），随后正常轮询
    specs.forEach((spec) => { tickOne(spec); schedule(spec); });
  }
  return { startAll, stopAll, pause, resume };
})();

/* ==========================================================================
   六幕场景内容：cabin（控制舱摘要）与 detail（功能抽屉）共用同一份真实数据渲染，
   动效版与「减少动态效果」静态版都调用这里——保证信息与功能完全一致。
   ========================================================================== */
const SCENES = [
  { key: "overview", label: "总览" },
  { key: "sources", label: "数据源" },
  { key: "jobs", label: "调度任务" },
  { key: "release", label: "盘后发布" },
  { key: "datasets", label: "数据集" },
  { key: "audit", label: "审计" },
];
const EOD_LABELS = {
  pending_first_attempt: "等待首次尝试", waiting_upstream: "等待上游", done: "已成功",
  cutoff_failed: "已截止失败", closed_day: "休市",
};
const REV_LABELS = {
  waiting_review: "等待复核", review_failed: "复核失败", aligned: "已追平",
  cutoff: "已截止", pending_publish: "待发布", closed_day: "休市",
};
const PHASE_LABELS = { pre: "盘前", intraday: "盘中", lunch: "午间", eod: "盘后", closed: "休市" };

function todayYmd() {
  const d = new Date(); const pad = (n) => String(n).padStart(2, "0");
  return `${d.getFullYear()}${pad(d.getMonth() + 1)}${pad(d.getDate())}`;
}
if (!state.releaseDate) state.releaseDate = todayYmd();

const Views = {
  listeners: [],
  onChange(fn) { this.listeners.push(fn); },
  refresh() { this.listeners.forEach((fn) => { try { fn(); } catch (e) { console.error(e); } }); },
};

/* ---- 0 总览 ---- */
function cabinOverview() {
  const d = state.data.overview;
  if (!d) return { eyebrow: "SCENE 01 / 总览", title: "四源汇流 · 持续运转", sub: "正在加载真实状态…", rows: [], actions: [] };
  const eod = d.eod_status || {}, rev = d.revision_status || {};
  return {
    eyebrow: "SCENE 01 / 总览",
    title: "四源汇流 · 持续运转",
    sub: `${d.trade_date} · ${PHASE_LABELS[d.session_phase] || d.session_phase}。灯闪一次，就是一次真实调用或探测。`,
    rows: [
      ["今日发布", `${d.publications.length}`, "ok"],
      ["盘后补跑", EOD_LABELS[eod.state] || eod.state || "-", eod.state === "cutoff_failed" ? "fail" : "ok"],
      ["估值复核", REV_LABELS[rev.state] || rev.state || "-", rev.state === "review_failed" ? "fail" : "ok"],
      ["异常批次", `${d.anomalies.length}`, d.anomalies.length ? "fail" : "ok"],
    ],
    actions: [{ label: "进入数据源 →", cls: "pri", action: () => Nav.go(1) }, { label: "查看最近调用", cls: "", action: () => Detail.open("overview") }],
  };
}
function detailOverview() {
  const d = state.data.overview;
  if (!d) return `<h3>总览</h3><div class="dsub">正在加载…</div>`;
  const eod = d.eod_status || {}, rev = d.revision_status || {};
  const eodExtra = [];
  if (eod.state === "waiting_upstream") {
    eodExtra.push(`已试 ${eod.attempts} 次`);
    if (eod.next_retry_at) eodExtra.push(`下次重试 ${esc(timeShort(eod.next_retry_at))}`);
    if (eod.missing_datasets && eod.missing_datasets.length) eodExtra.push(`缺 ${esc(eod.missing_datasets.join(","))}`);
  }
  if (eod.state === "cutoff_failed" && eod.missing_datasets) eodExtra.push(`缺 ${esc(eod.missing_datasets.join(","))}`);
  const revExtra = [];
  if (rev.detail) revExtra.push(esc(String(rev.detail)));
  if (rev.window) revExtra.push(esc(String(rev.window)));
  return `
    <h3>总览 · ${esc(d.trade_date)}</h3>
    <div class="dsub">${esc(PHASE_LABELS[d.session_phase] || d.session_phase)} · 源共 ${d.source_count}</div>
    <div class="cards">
      <div class="card"><div class="muted">交易日</div><strong>${esc(d.trade_date)}</strong></div>
      <div class="card"><div class="muted">阶段</div><strong>${esc(PHASE_LABELS[d.session_phase] || d.session_phase)}</strong></div>
      <div class="card"><div class="muted">今日发布</div><strong>${d.publications.length}</strong></div>
      <div class="card"><div class="muted">盘后补跑</div><strong>${esc(EOD_LABELS[eod.state] || eod.state || "-")}</strong><div class="muted">${eodExtra.join(" · ")}</div></div>
      <div class="card"><div class="muted">估值复核</div><strong>${esc(REV_LABELS[rev.state] || rev.state || "-")}</strong><div class="muted">${revExtra.join(" · ")}</div></div>
      <div class="card"><div class="muted">异常批次</div><strong class="${d.anomalies.length ? "fail" : "ok"}">${d.anomalies.length}</strong></div>
    </div>
    <h3>最近调用（tushare）</h3>
    ${table(["时间", "源", "端点", "结果", "耗时"], d.recent_calls.map((row) => [
      esc(timeShort(row.created_at)), esc(row.provider), esc(row.endpoint),
      row.ok ? '<span class="ok">成功</span>' : `<span class="fail">${esc(row.error)}</span>`,
      `${row.latency_ms ?? "-"} ms`,
    ]))}
  `;
}

/* ---- 1 数据源 ---- */
function cabinSources() {
  const d = state.data.sources;
  if (!d) return { eyebrow: "SCENE 02 / 数据源", title: "四路来源 · 各闪各的", sub: "正在加载真实状态…", rows: [], actions: [] };
  const live = d.items.filter((it) => FLOW_PROVIDERS.includes(it.provider));
  const reserved = d.items.filter((it) => !FLOW_PROVIDERS.includes(it.provider));
  const rows = live.map((it) => {
    const h = it.health || {};
    const okish = h.state === "ok" || h.state === "empty";
    return [FLOW_LABEL[it.provider] || it.provider, `${h.latency_ms ?? "-"} ms · ${esc(h.state || "-")}`, okish ? "ok" : "warn"];
  });
  rows.push([`预留源 ${reserved.length} 个`, "未接入 · 无真实调用", "warn"]);
  return {
    eyebrow: "SCENE 02 / 数据源", title: "四路来源 · 各闪各的",
    sub: "点击任一端口双灯，详情从它的空间位置展开。灯闪代表真实探测或调用刚发生。",
    rows,
    actions: [{ label: "查看全部来源", cls: "pri", action: () => Detail.open("sources") }],
  };
}
function detailSources() {
  const d = state.data.sources;
  if (!d) return `<h3>数据源</h3><div class="dsub">正在加载…</div>`;
  const html = `<h3>数据源</h3><div class="dsub">LINK 常亮表示健康；ACT 只在真实探测/调用发生时短闪</div>` +
    table(["源", "角色", "状态", "凭据", "操作"], d.items.map((item) => {
      const cred = item.credential || {};
      const credText = cred.configured ? `已配置 · ${esc(cred.last4 || "****")}` : "未配置";
      return [
        esc(item.provider), esc(item.role),
        esc((item.health && (item.health.state || item.health.status)) || "-"),
        credText,
        `<button class="btn ghost" data-probe="${esc(item.provider)}">探测一次</button>`,
      ];
    }));
  return html;
}
function bindSourcesDetail(root) {
  root.querySelectorAll("[data-probe]").forEach((btn) => {
    btn.addEventListener("click", async () => {
      const provider = btn.dataset.probe;
      btn.disabled = true;
      try {
        const result = await api(`/admin/api/sources/${provider}/probe`, { method: "POST", body: "{}" });
        if (FLOW_PROVIDERS.includes(provider)) {
          const ok = result.state === "ok" || result.state === "empty";
          fireSource(provider, 1, ok ? "ok" : "error");
        }
        alert(JSON.stringify(result));
        await pollSources();
        Detail.reopen();
      } finally { btn.disabled = false; }
    });
  });
}

/* ---- 2 调度任务 ---- */
function cabinJobs() {
  const d = state.data.jobs;
  if (!d) return { eyebrow: "SCENE 03 / 调度任务", title: "时间轮 · 任务接力", sub: "正在加载真实状态…", rows: [], actions: [] };
  const runs = d.runs || [];
  const latest = runs[0];
  const failedRecent = runs.slice(0, 20).filter((r) => r.state === "failed").length;
  return {
    eyebrow: "SCENE 03 / 调度任务", title: "时间轮 · 任务接力",
    sub: "环上的每个节点对应一个真实定时任务；节点接力亮起来自最近一次真实运行。",
    rows: [
      ["最近运行", latest ? `${esc(latest.job_id)} · ${esc(latest.state)}` : "暂无", latest && latest.state === "failed" ? "fail" : "ok"],
      ["最近 20 次失败", `${failedRecent}`, failedRecent ? "fail" : "ok"],
      ["任务总数", `${d.jobs.length}`, "ok"],
    ],
    actions: [{ label: "查看调度日志", cls: "pri", action: () => Detail.open("jobs") }],
  };
}
function detailJobs() {
  const d = state.data.jobs;
  if (!d) return `<h3>调度任务</h3><div class="dsub">正在加载…</div>`;
  return `
    <h3>调度任务</h3>
    ${table(["任务", "时刻", "操作"], d.jobs.map((job) => [
      `${esc(job.id)} · ${esc(job.title)}`, esc(job.at),
      `<button class="btn ghost" data-run="${esc(job.id)}">手动触发</button>`,
    ]))}
    <h3>最近运行</h3>
    ${table(["ID", "任务", "状态", "开始", "结束", "错误"], d.runs.map((row) => [
      row.id, esc(row.job_id),
      `<span class="${row.state === "failed" ? "fail" : row.state === "running" ? "warn" : "ok"}">${esc(row.state)}</span>`,
      esc(timeShort(row.started_at)), esc(timeShort(row.finished_at)), esc(row.error || ""),
    ]))}
  `;
}
function bindJobsDetail(root) {
  root.querySelectorAll("[data-run]").forEach((btn) => {
    btn.addEventListener("click", async () => {
      const date = prompt("交易日 YYYYMMDD（可留空=今天）", "") || "";
      btn.disabled = true;
      try {
        await api(`/admin/api/jobs/${btn.dataset.run}/run`, { method: "POST", body: JSON.stringify({ trade_date: date }) });
        await pollJobs();
        Detail.reopen();
      } finally { btn.disabled = false; }
    });
  });
}

/* ---- 3 盘后发布 ---- */
function cabinRelease() {
  const d = state.data.batches;
  if (!d) return { eyebrow: "SCENE 04 / 盘后发布", title: "校验 → 暂存 → 发布", sub: "正在加载真实状态…", rows: [], actions: [] };
  const pubs = d.publications || [];
  const rollbacks = pubs.filter((p) => p.prev_batch).length;
  const failedBatches = (d.batches || []).filter((b) => b.state === "failed").length;
  return {
    eyebrow: "SCENE 04 / 盘后发布", title: "校验 → 暂存 → 发布",
    sub: `${d.trade_date} · RX 批次穿过三层，TX 给出回执；校验失败走红色回滚分叉。`,
    rows: [
      ["活跃发布", `${pubs.length} 个数据集`, "ok"],
      ["可回滚", `${rollbacks}`, rollbacks ? "warn" : "ok"],
      ["批次异常", `${failedBatches}`, failedBatches ? "fail" : "ok"],
    ],
    actions: [{ label: "查看批次与发布", cls: "pri", action: () => Detail.open("release") }],
  };
}
function detailRelease() {
  const d = state.data.batches;
  if (!d) return `<h3>盘后发布</h3><div class="dsub">正在加载…</div>`;
  return `
    <h3>盘后发布 ${esc(d.trade_date)}</h3>
    <div class="toolbar">
      <label>日期 <input id="rel-date" value="${esc(d.trade_date)}" /></label>
      <button type="button" class="btn ghost" id="rel-load">查看</button>
      <button type="button" class="btn warn" id="rel-backfill">补数</button>
    </div>
    <h3>当前映射</h3>
    ${table(["数据集", "活跃批次", "上一批次", "状态", "发布时间", "操作"], d.publications.map((row) => [
      esc(row.dataset), esc(row.active_batch), esc(row.prev_batch), esc(row.state), esc(row.published_at),
      row.prev_batch ? `<button class="btn danger" data-rollback="${esc(row.dataset)}">回滚</button>` : "-",
    ]))}
    <h3>批次</h3>
    ${table(["batch_id", "数据集", "状态", "行数", "错误"], d.batches.map((row) => [
      esc(row.batch_id), esc(row.dataset),
      `<span class="${row.state === "failed" ? "fail" : "ok"}">${esc(row.state)}</span>`,
      row.rows_out ?? "", esc(row.error || ""),
    ]))}
  `;
}
function bindReleaseDetail(root) {
  root.querySelector("#rel-load").addEventListener("click", async () => {
    state.releaseDate = root.querySelector("#rel-date").value.trim();
    await pollBatches();
    Detail.reopen();
  });
  root.querySelector("#rel-backfill").addEventListener("click", () => dangerous("backfill"));
  root.querySelectorAll("[data-rollback]").forEach((btn) => {
    btn.addEventListener("click", () => dangerous("rollback", btn.dataset.rollback));
  });
}
async function dangerous(kind, dataset) {
  const date = state.releaseDate || "";
  const ds = dataset || prompt("数据集（daily/valuation/moneyflow/auction/stocks→A组整批；index_daily→B组；或 reference）", "daily");
  if (!ds) return;
  const password = prompt("二次确认：输入管理密码");
  if (!password) return;
  const confirmWord = `${ds}:${date}`;
  const typed = prompt(`请输入确认词：${confirmWord}`);
  if (!typed) return;
  const path = kind === "rollback" ? "/admin/api/rollback" : "/admin/api/backfill";
  try {
    await api(path, { method: "POST", body: JSON.stringify({ dataset: ds, trade_date: date, password, confirm: typed }) });
    if (kind === "rollback") Lamps.tx.push(1, "rollback");
    await pollBatches();
    await pollAudit();
    Detail.reopen();
  } catch (err) {
    alert(err.message);
  }
}

/* ---- 4 数据集 ---- */
function cabinDatasets() {
  const d = state.data.datasets;
  if (!d) return { eyebrow: "SCENE 05 / 数据集", title: "六面展开 · 数据集空间", sub: "正在加载真实状态…", rows: [], actions: [] };
  const pubs = d.publications || [];
  return {
    eyebrow: "SCENE 05 / 数据集", title: "六面展开 · 数据集空间",
    sub: `${d.trade_date} · 核心面片翻开成数据集，稳定显示日期与状态。`,
    rows: pubs.slice(0, 4).map((p) => [esc(p.dataset), `${esc(p.state)} · ${esc(timeShort(p.published_at))}`, p.state === "published" ? "ok" : "warn"]),
    actions: [{ label: "查看差异报告", cls: "pri", action: () => Detail.open("datasets") }],
  };
}
function detailDatasets() {
  const d = state.data.datasets;
  if (!d) return `<h3>数据集</h3><div class="dsub">正在加载…</div>`;
  return `
    <h3>数据集 / 质量 ${esc(d.trade_date)}</h3>
    ${table(["数据集", "批次", "状态", "发布时间"], d.publications.map((row) => [
      esc(row.dataset), esc(row.active_batch), esc(row.state), esc(row.published_at),
    ]))}
    <h3>源间差异</h3>
    ${table(["指标", "左", "右", "偏差", "样本"], d.diff_reports.map((row) => [
      esc(row.metric), esc(row.left_value), esc(row.right_value), esc(row.deviation), row.sample_count ?? "",
    ]))}
  `;
}

/* ---- 5 审计 ---- */
function cabinAudit() {
  const d = state.data.audit;
  if (!d) return { eyebrow: "SCENE 06 / 审计", title: "时间尾迹 · 全程留痕", sub: "正在加载真实状态…", rows: [], actions: [] };
  const items = d.items || [];
  const latest = items[0];
  return {
    eyebrow: "SCENE 06 / 审计", title: "时间尾迹 · 全程留痕",
    sub: "输出流在核心后方留下轨迹，发布、操作、回滚沿轨迹展开。",
    rows: latest ? [[esc(latest.actor), `${esc(latest.action)} · ${esc(timeShort(latest.created_at))}`, String(latest.action).includes("rollback") ? "warn" : "ok"]] : [],
    actions: [{ label: `查看审计（共 ${items.length} 条）`, cls: "pri", action: () => Detail.open("audit") }],
  };
}
function detailAudit() {
  const d = state.data.audit;
  if (!d) return `<h3>审计</h3><div class="dsub">正在加载…</div>`;
  return `<h3>审计</h3><div class="dsub">共 ${d.items.length} 条 · 最新在前</div>` +
    table(["时间", "操作者", "动作", "对象", "详情"], d.items.map((row) => [
      esc(timeShort(row.created_at)), esc(row.actor), esc(row.action), esc(row.target), esc(row.detail),
    ]));
}

const SCENE_CABIN = [cabinOverview, cabinSources, cabinJobs, cabinRelease, cabinDatasets, cabinAudit];
const SCENE_DETAIL = [detailOverview, detailSources, detailJobs, detailRelease, detailDatasets, detailAudit];
const SCENE_BIND = [null, bindSourcesDetail, bindJobsDetail, bindReleaseDetail, null, null];

const Detail = {
  openKey: null,
  open(key) {
    const idx = SCENES.findIndex((s) => s.key === key);
    if (idx < 0) return;
    this.openKey = key;
    if (state.reduced) return; // 静态版直接内嵌显示，无需抽屉
    Stage.renderDetail(idx);
  },
  reopen() { if (this.openKey && !state.reduced) this.open(this.openKey); },
  close() { this.openKey = null; if (!state.reduced) Stage.closeDetail(); },
};

const Nav = {
  go(idx) {
    if (state.reduced) { StaticShell.scrollTo(idx); return; }
    Stage.scrollToScene(idx);
  },
};

/* ==========================================================================
   canvas 2D 自写透视投影引擎（第八版「星港中枢」）——HEL-536/537/538 唯一施工口径：
   整页星空舞台，中央自转星体 + 4 颗来源卫星沿 2 层完整椭圆轨道环绕，
   4 条入线 + 2 条去向线（发布/审计），A2 双灯永远最顶层、永不遮挡。
   响应式安全盒钳制（HEL-538 最终公式）：
     x0=cabinW+24, x1=W-24, y0=64, y1=H-118, CX=(x0+x1)/2, CY=(y0+y1)/2
     S = min((CX-x0)/1.28, (x1-CX)/1.28, (CY-y0)/(1.28*0.52), (y1-CY)/(1.28*0.52))
   所有世界坐标元素（轨道/卫星/去向端/尾迹≤1.02/幕2外扩轨道≤1.175）落在
   ±1.28（横）×±0.6656（纵）包络内，构造性不出安全盒。
   星体自转、卫星环绕、数据流为常态运行（真实时钟驱动，不随滚动），
   六幕滚动只切换镜头强调（轨道展开/任务环/发布分层/数据集面片/审计尾迹），
   LINK/ACT 双灯语义与 A2 事件引擎完全复用原有真实事件驱动逻辑，未做任何模拟。
   ========================================================================== */
const Stage = (() => {
  let canvas, ctx, W = 0, H = 0, DPR = 1;
  let running = false, rafId = null;
  let PAL, C;
  const T0 = performance.now();
  const D2R = Math.PI / 180;

  /* ---------- HEL-538 最终包络与几何常量 ---------- */
  const FIT_X = 1.28, SQUASH = 0.52, FIT_Y = FIT_X * SQUASH; // 0.6656
  const STAR_R = 0.28;
  const ORBIT_OUTER_A0 = 0.94, ORBIT_INNER_A0 = 0.70, ORBIT_OUTER_A_SOURCES = 1.175;
  const GOOUT_R = 1.25, TX_ANGLE = -20 * D2R, AUD_ANGLE = 25 * D2R;

  const SAT_DEFS = [
    { provider: "tushare", sub: "官方盘后", orbit: "outer", phase: 200 * D2R, speed: .028, dir: -1 },
    { provider: "eastmoney", sub: "资讯 · 涨停", orbit: "outer", phase: 20 * D2R, speed: .022, dir: -1 },
    { provider: "tencent", sub: "行情快照", orbit: "inner", phase: 140 * D2R, speed: .034, dir: 1 },
    { provider: "ifind", sub: "授权实时", orbit: "inner", phase: 320 * D2R, speed: .026, dir: 1 },
  ];
  const SAT_NAME = { tushare: "Tushare", eastmoney: "东方财富", tencent: "腾讯", ifind: "iFinD" };

  const Geo = { CX: 0, CY: 0, S: 380, x0: 0, x1: 0, y0: 0, y1: 0, satLinePts: [], txPts: null, audPts: null };

  function mulberry32(seed) {
    let a = seed;
    return function () {
      a |= 0; a = (a + 0x6D2B79F5) | 0;
      let t = Math.imul(a ^ (a >>> 15), 1 | a);
      t = (t + Math.imul(t ^ (t >>> 7), 61 | t)) ^ t;
      return ((t ^ (t >>> 14)) >>> 0) / 4294967296;
    };
  }

  function initPalette() {
    PAL = {
      night: { bgA: "#05080F", bgB: "#0A1322", cyan: "#2FD8CE", blue: "#4A86FF", amber: "#FFB84D", red: "#FF6B6B",
        ink: "#E8EEFC", dim: "#9AA6C4", face: "rgba(58,96,180,", edge: "rgba(140,190,255,", slab: "rgba(47,216,206,", ring: "rgba(120,170,255,",
        chan: ["rgba(150,205,255,", "rgba(120,180,255,", "rgba(185,175,255,", "rgba(255,214,160,"] },
      day: { bgA: "#E8ECF5", bgB: "#F7F9FF", cyan: "#0A9C93", blue: "#2F63D6", amber: "#B97A0E", red: "#D64F4F",
        ink: "#1B2547", dim: "#5B6785", face: "rgba(120,160,235,", edge: "rgba(47,99,214,", slab: "rgba(10,156,147,", ring: "rgba(47,99,214,",
        chan: ["rgba(47,99,214,", "rgba(10,124,146,", "rgba(109,93,214,", "rgba(190,120,10,"] },
    };
    C = PAL[document.documentElement.getAttribute("data-theme") === "night" ? "night" : "day"];
  }
  const SPHERE_STOPS = {
    night: [[0, "#F2FAFF"], [.12, "#C9E7FF"], [.4, "#7FB2EA"], [.7, "#3E6FAE"], [1, "#16305E"]],
    day: [[0, "#FFFFFF"], [.12, "#EAF6FF"], [.4, "#A9CCF0"], [.7, "#5488C4"], [1, "#2E5A94"]],
  };
  const LAND_SPOTS = (() => {
    const rnd = mulberry32(7712), arr = [];
    for (let i = 0; i < 9; i++) arr.push({ a: rnd() * Math.PI * 2, r: .15 + rnd() * .55, s: .05 + rnd() * .06 });
    return arr;
  })();

  const setAdd = () => { ctx.globalCompositeOperation = (C === PAL.night ? "lighter" : "source-over"); };
  function roundRect(x, y, w, h, r) {
    ctx.beginPath(); ctx.moveTo(x + r, y); ctx.arcTo(x + w, y, x + w, y + h, r); ctx.arcTo(x + w, y + h, x, y + h, r);
    ctx.arcTo(x, y + h, x, y, r); ctx.arcTo(x, y, x + w, y, r); ctx.closePath();
  }

  /* ---------- 响应式安全盒（HEL-538 §一，唯一施工口径） ---------- */
  function computeSafeBox() {
    const cabinEl = $("cabin");
    const cabinW = (cabinEl && cabinEl.getBoundingClientRect().width) || 300;
    const x0 = cabinW + 24, x1 = W - 24, y0 = 64, y1 = H - 118;
    const cx = (x0 + x1) / 2, cy = (y0 + y1) / 2;
    const s = Math.max(40, Math.min((cx - x0) / FIT_X, (x1 - cx) / FIT_X, (cy - y0) / FIT_Y, (y1 - cy) / FIT_Y));
    Geo.x0 = x0; Geo.x1 = x1; Geo.y0 = y0; Geo.y1 = y1; Geo.CX = cx; Geo.CY = cy; Geo.S = s;
  }
  function proj(wx, wy) { return { x: Geo.CX + wx * Geo.S, y: Geo.CY - wy * Geo.S }; }
  function bpLerp(v1024, v1440) { const t = clamp((W - 1024) / (1440 - 1024), 0, 1); return v1024 + (v1440 - v1024) * t; }
  function chipSize() { return { w: bpLerp(96, 120), h: bpLerp(38, 42) }; }
  function lampSize() { return { w: bpLerp(14, 16), h: 6 }; }

  /* ---------- 基础绘制原语（世界坐标 → 屏幕坐标） ---------- */
  function _dotAt(x, y, rPx, colorPrefix, alpha, glow) {
    ctx.save(); setAdd();
    if (C !== PAL.night) alpha = Math.min(1, alpha * 1.4);
    if (glow) {
      const g = ctx.createRadialGradient(x, y, 0, x, y, rPx * 3);
      g.addColorStop(0, colorPrefix + (.5 * alpha).toFixed(3) + ")"); g.addColorStop(1, colorPrefix + "0)");
      ctx.fillStyle = g; ctx.beginPath(); ctx.arc(x, y, rPx * 3, 0, 7); ctx.fill();
    }
    ctx.fillStyle = colorPrefix + alpha.toFixed(3) + ")";
    ctx.beginPath(); ctx.arc(x, y, rPx, 0, 7); ctx.fill();
    ctx.restore();
  }
  function dotWorld(pt, rPx, colorPrefix, alpha, glow) { const q = proj(pt.wx, pt.wy); _dotAt(q.x, q.y, rPx, colorPrefix, alpha, glow); return q; }
  function polyGlowWorld(pts, colorPrefix, alpha, width, dashPhase) {
    ctx.save(); setAdd();
    const al0 = C !== PAL.night ? Math.min(1, alpha * 1.5) : alpha;
    for (let i = 0; i < pts.length - 1; i++) {
      const a = proj(pts[i].wx, pts[i].wy), b = proj(pts[i + 1].wx, pts[i + 1].wy);
      let al = al0;
      if (dashPhase != null) al *= .4 + .6 * Math.max(0, Math.sin((i / pts.length) * 14 - dashPhase));
      ctx.strokeStyle = colorPrefix + al.toFixed(3) + ")";
      ctx.lineWidth = width * clamp(Geo.S / 380, .7, 1.3); ctx.lineCap = "round";
      ctx.beginPath(); ctx.moveTo(a.x, a.y); ctx.lineTo(b.x, b.y); ctx.stroke();
    }
    ctx.restore();
  }
  function bezQuadWorld(p0, c, p1, n) {
    const pts = [];
    for (let i = 0; i <= n; i++) { const t = i / n, u = 1 - t; pts.push({ wx: u * u * p0.wx + 2 * u * t * c.wx + t * t * p1.wx, wy: u * u * p0.wy + 2 * u * t * c.wy + t * t * p1.wy }); }
    return pts;
  }
  function lampAt(x, y, linkState, level, kind) {
    const { w, h } = lampSize(); const gap = h * .8, pad = 3;
    ctx.save();
    ctx.globalAlpha = .95;
    ctx.fillStyle = C === PAL.night ? "rgba(6,12,24,.82)" : "rgba(255,255,255,.94)";
    ctx.strokeStyle = C.edge + ".5)"; ctx.lineWidth = 1;
    roundRect(x - w / 2 - pad, y - h - gap / 2 - pad, w + pad * 2, h * 2 + gap + pad * 2, h * .7 + pad); ctx.fill(); ctx.stroke();
    const linkColor = linkState === "ok" ? C.cyan : linkState === "error" ? C.red : C.dim;
    const linkAlpha = linkState === "ok" ? .65 : linkState === "error" ? .6 : .28;
    ctx.globalAlpha = linkAlpha; ctx.fillStyle = linkColor; ctx.shadowColor = linkColor;
    ctx.shadowBlur = (linkState === "ok" || linkState === "error") ? 6 : 0;
    roundRect(x - w / 2, y - h - gap / 2, w, h, h / 2); ctx.fill();
    ctx.shadowBlur = 0;
    const actColor = (kind === "error" || kind === "rollback") ? C.red : C.amber;
    if (level > 0) { ctx.globalAlpha = .3 + .7 * level; ctx.fillStyle = actColor; ctx.shadowColor = actColor; ctx.shadowBlur = 14 * level; }
    else { ctx.globalAlpha = .16; ctx.fillStyle = C.amber; }
    roundRect(x - w / 2, y + gap / 2, w, h, h / 2); ctx.fill();
    ctx.restore();
  }

  /* ---------- 六幕镜头强调参数（纯几何/结构语言，不引入相机旋转，安全盒钳制天然对全部取值有效） ---------- */
  const CH = [
    { outerA: ORBIT_OUTER_A0, taskRing: 0, explode: .10, unfold: 0, trail: 0, srcExpand: 0 },
    { outerA: ORBIT_OUTER_A_SOURCES, taskRing: 0, explode: .10, unfold: 0, trail: 0, srcExpand: 1 },
    { outerA: ORBIT_OUTER_A0, taskRing: 1, explode: .08, unfold: 0, trail: 0, srcExpand: 0 },
    { outerA: ORBIT_OUTER_A0, taskRing: 0, explode: .90, unfold: 0, trail: 0, srcExpand: 0 },
    { outerA: ORBIT_OUTER_A0, taskRing: 0, explode: .12, unfold: 1, trail: 0, srcExpand: 0 },
    { outerA: ORBIT_OUTER_A0, taskRing: 0, explode: .10, unfold: 0, trail: 1, srcExpand: 0 },
  ];
  function smooth(t) { return t * t * (3 - 2 * t); }
  function lerpK(a, b, f) { const o = {}; for (const k in a) o[k] = a[k] + (b[k] - a[k]) * f; return o; }
  function chapterAt(p) {
    const i = clamp(Math.floor(p), 0, 4), f = smooth(clamp(p - i, 0, 1));
    return { ...lerpK(CH[i], CH[i + 1], f), idx: clamp(Math.round(p), 0, 5) };
  }
  function progress() { const max = Math.max(1, document.body.scrollHeight - innerHeight); return clamp((scrollY / max) * 5, 0, 5); }

  /* ---------- 星空背景（两层 ≤120 颗静态星 + 两团低透明星云，离屏缓存，仅 resize/换主题重绘） ---------- */
  let bgCanvas = null, bgKey = "";
  function drawBackdrop() {
    const key = `${W}|${H}|${C === PAL.night ? "n" : "d"}`;
    if (!bgCanvas || bgKey !== key) {
      bgCanvas = document.createElement("canvas");
      bgCanvas.width = Math.max(1, Math.round(W)); bgCanvas.height = Math.max(1, Math.round(H));
      const bctx = bgCanvas.getContext("2d");
      const bg = bctx.createRadialGradient(W * .5, H * .42, 40, W * .5, H * .5, Math.max(W, H) * .8);
      bg.addColorStop(0, C.bgB); bg.addColorStop(1, C.bgA);
      bctx.fillStyle = bg; bctx.fillRect(0, 0, W, H);
      const neb1 = bctx.createRadialGradient(W * .16, H * .22, 10, W * .16, H * .22, W * .30);
      neb1.addColorStop(0, C.face + ".10)"); neb1.addColorStop(1, C.face + "0)");
      bctx.fillStyle = neb1; bctx.beginPath(); bctx.ellipse(W * .16, H * .22, W * .30, H * .20, 0, 0, 7); bctx.fill();
      const neb2 = bctx.createRadialGradient(W * .86, H * .78, 10, W * .86, H * .78, W * .26);
      neb2.addColorStop(0, C.slab + ".08)"); neb2.addColorStop(1, C.slab + "0)");
      bctx.fillStyle = neb2; bctx.beginPath(); bctx.ellipse(W * .86, H * .78, W * .26, H * .18, 0, 0, 7); bctx.fill();
      const rnd = mulberry32(20260913);
      [[68, .85], [34, 1.3], [14, 1.9]].forEach(([n, rr]) => {
        for (let i = 0; i < n; i++) {
          const x = rnd() * W, y = rnd() * H;
          bctx.globalAlpha = .16 + rnd() * .22;
          bctx.fillStyle = C.dim; bctx.beginPath(); bctx.arc(x, y, rr, 0, 7); bctx.fill();
        }
      });
      bctx.globalAlpha = 1;
      bgKey = key;
    }
    ctx.drawImage(bgCanvas, 0, 0, W, H);
  }

  /* ---------- 轨道（2 层完整椭圆，L2） ---------- */
  function drawOrbitEllipse(a, b) {
    ctx.save(); setAdd();
    ctx.strokeStyle = C.ring + ".4)"; ctx.lineWidth = 1.1;
    ctx.beginPath();
    for (let i = 0; i <= 96; i++) {
      const ang = i / 96 * Math.PI * 2;
      const q = proj(Math.cos(ang) * a, Math.sin(ang) * b);
      if (i === 0) ctx.moveTo(q.x, q.y); else ctx.lineTo(q.x, q.y);
    }
    ctx.stroke();
    ctx.restore();
  }

  /* ---------- 星体（自转球体 + 数据大陆 + 处理环 + 校验/暂存/发布分层，L4/L5） ---------- */
  function drawSlabs(q, r, explode) {
    if (explode < .25) return;
    const names = ["校验", "暂存", "发布"];
    for (let s = 0; s < 3; s++) {
      const t = s - 1;
      const yOff = t * (r * .85 + explode * r * .55);
      const rw = r * 1.5, rh = Math.max(10, r * .22);
      ctx.save();
      ctx.globalAlpha = .55 + explode * .3;
      ctx.fillStyle = C.slab + (.08 + explode * .08).toFixed(3) + ")";
      ctx.strokeStyle = C.slab + ".55)"; ctx.lineWidth = 1;
      roundRect(q.x - rw / 2, q.y + yOff - rh / 2, rw, rh, rh / 2); ctx.fill(); ctx.stroke();
      if (explode > .5) {
        ctx.fillStyle = C.ink; ctx.font = `600 ${Math.max(10, rh * .42)}px "Noto Sans SC"`;
        ctx.textAlign = "center"; ctx.fillText(names[s], q.x, q.y + yOff + rh * .16); ctx.textAlign = "left";
      }
      ctx.restore();
    }
  }
  function drawSphere(explode) {
    const q = proj(0, 0), r = Geo.S * STAR_R;
    if (r <= 0) return;
    ctx.save(); setAdd();
    const halo = ctx.createRadialGradient(q.x, q.y, r * .55, q.x, q.y, r * 2.0);
    halo.addColorStop(0, C.slab + (C === PAL.night ? ".16)" : ".10)")); halo.addColorStop(1, C.slab + "0)");
    ctx.fillStyle = halo; ctx.beginPath(); ctx.arc(q.x, q.y, r * 2.0, 0, 7); ctx.fill();
    ctx.restore();

    ctx.save();
    ctx.beginPath(); ctx.arc(q.x, q.y, r, 0, 7); ctx.clip();
    const grad = ctx.createRadialGradient(q.x - r * .32, q.y - r * .34, r * .05, q.x, q.y, r * 1.05);
    SPHERE_STOPS[C === PAL.night ? "night" : "day"].forEach(([o, col]) => grad.addColorStop(o, col));
    ctx.fillStyle = grad; ctx.fillRect(q.x - r, q.y - r, r * 2, r * 2);

    const rot = ((performance.now() - T0) / 1000) * .05;
    ctx.globalCompositeOperation = C === PAL.night ? "lighter" : "multiply";
    LAND_SPOTS.forEach((spot) => {
      const ang = spot.a + rot;
      const lx = q.x + Math.cos(ang) * r * spot.r * .9, ly = q.y + Math.sin(ang) * r * spot.r * .55;
      const rr = r * spot.s;
      const g2 = ctx.createRadialGradient(lx, ly, 0, lx, ly, rr);
      g2.addColorStop(0, C.slab + (C === PAL.night ? ".5)" : ".22)")); g2.addColorStop(1, C.slab + "0)");
      ctx.fillStyle = g2; ctx.beginPath(); ctx.arc(lx, ly, rr, 0, 7); ctx.fill();
    });
    ctx.globalCompositeOperation = "source-over";

    const shade = ctx.createRadialGradient(q.x - r * .3, q.y - r * .32, r * .35, q.x, q.y, r * 1.02);
    shade.addColorStop(0, "rgba(0,0,0,0)");
    shade.addColorStop(1, C === PAL.night ? "rgba(2,6,18,.55)" : "rgba(25,55,105,.22)");
    ctx.fillStyle = shade; ctx.fillRect(q.x - r, q.y - r, r * 2, r * 2);
    ctx.restore();

    ctx.save();
    ctx.strokeStyle = C.edge + ".55)"; ctx.lineWidth = 1.2;
    ctx.beginPath(); ctx.arc(q.x, q.y, r, 0, 7); ctx.stroke();
    ctx.restore();

    ctx.save(); setAdd();
    ctx.strokeStyle = C.ring + ".5)"; ctx.lineWidth = 1;
    ctx.beginPath(); ctx.ellipse(q.x, q.y, r * 1.25, r * .30, -.18, 0, Math.PI * 2); ctx.stroke();
    ctx.restore();

    drawSlabs(q, r, explode);
  }

  /* ---------- 卫星：轨道位置 / 连线 / 本体 / 芯片标签 / 双灯 ---------- */
  function computeSats(K, vtSec) {
    const outerA = K.outerA, outerB = outerA * SQUASH, innerA = ORBIT_INNER_A0, innerB = innerA * SQUASH;
    return SAT_DEFS.map((def, i) => {
      const a = def.orbit === "outer" ? outerA : innerA, b = def.orbit === "outer" ? outerB : innerB;
      const angle = def.phase + def.dir * def.speed * vtSec;
      const wx = Math.cos(angle) * a, wy = Math.sin(angle) * b;
      return { def, i, wx, wy, back: Math.sin(angle) > .02 };
    });
  }
  function satAnchorAndSurf(s) {
    const d = Math.hypot(s.wx, s.wy) || 1, ux = s.wx / d, uy = s.wy / d;
    return { anchor: { wx: s.wx - ux * .09, wy: s.wy - uy * .09 }, surf: { wx: ux * STAR_R * 1.05, wy: uy * STAR_R * 1.05 }, ux, uy };
  }
  const flowSeeds = SAT_DEFS.map(() => Array.from({ length: 6 }, (_, i) => ({ o: i / 6, w: .6 + (i % 3) * .18 })));
  function drawFlowDotsGeneric(seeds, pts, colorPrefix, alphaScale, speed) {
    const vt = performance.now() - T0;
    seeds.forEach((fs) => {
      const u = (fs.o + vt * speed * fs.w) % 1;
      const pt = pts[Math.min(pts.length - 1, Math.floor(u * (pts.length - 1)))];
      dotWorld(pt, Math.max(1.6, Geo.S * .007) * fs.w, colorPrefix, .85 * alphaScale, fs.w > 1.0);
    });
  }
  function drawSatBody(s, front) {
    const q = proj(s.wx, s.wy);
    _dotAt(q.x, q.y, Math.max(2.4, Geo.S * .012), C.chan[s.i], front ? .95 : .35, front);
  }
  function drawSatLink(s, front) {
    const { anchor, surf, ux, uy } = satAnchorAndSurf(s);
    const mid = { wx: (anchor.wx + surf.wx) / 2, wy: (anchor.wy + surf.wy) / 2 };
    const px = -uy, py = ux, bow = (s.i % 2 ? -1 : 1) * .10;
    const ctrl = { wx: mid.wx + px * bow, wy: mid.wy + py * bow };
    const pts = bezQuadWorld(anchor, ctrl, surf, 22);
    Geo.satLinePts[s.i] = pts;
    const colorPrefix = C.chan[s.i], alpha = front ? .6 : .26;
    polyGlowWorld(pts, colorPrefix, alpha, 2.0, null);
    drawFlowDotsGeneric(flowSeeds[s.i], pts, colorPrefix, front ? 1 : .5, .00012);
    drawSatBody(s, front);
  }
  function drawSatChip(s, K) {
    const q = proj(s.wx, s.wy);
    const dx = q.x - Geo.CX, dy = q.y - Geo.CY, d = Math.hypot(dx, dy) || 1, ux = dx / d, uy = dy / d;
    const { w: cw, h: ch } = chipSize();
    const ax = q.x + ux * 14, ay = q.y + uy * 14;
    let bx = ax - (ux < 0 ? cw : 0), by = ay - ch / 2;
    if (bx < Geo.x0) bx = ax; if (bx + cw > Geo.x1) bx = ax - cw;
    bx = clamp(bx, Geo.x0, Geo.x1 - cw); by = clamp(by, Geo.y0, Geo.y1 - ch);
    const colorSolid = C.chan[s.i] + ".9)";
    ctx.save();
    ctx.fillStyle = C === PAL.night ? "rgba(10,17,36,.82)" : "rgba(255,255,255,.88)";
    ctx.strokeStyle = C.edge + ".35)"; ctx.lineWidth = 1;
    roundRect(bx, by, cw, ch, 9); ctx.fill(); ctx.stroke();
    ctx.save(); roundRect(bx, by, 4, ch, 2); ctx.fillStyle = colorSolid; ctx.fill(); ctx.restore();
    ctx.fillStyle = C.ink; ctx.font = `600 ${Math.max(11, ch * .32)}px "Noto Sans SC"`;
    ctx.fillText(SAT_NAME[s.def.provider] || s.def.provider, bx + 12, by + ch * .42);
    ctx.fillStyle = C.dim; ctx.font = `${Math.max(9, ch * .21)}px "DejaVu Sans Mono"`;
    ctx.fillText(s.def.sub, bx + 12, by + ch * .72);
    ctx.strokeStyle = C.edge + ".4)";
    ctx.beginPath(); ctx.moveTo(ax, ay); ctx.lineTo(bx + (ux < 0 ? cw : 0), by + ch / 2); ctx.stroke();
    if (K.srcExpand > .3) {
      const info = ((state.data.sources && state.data.sources.items) || []).find((it) => it.provider === s.def.provider) || {};
      const health = info.health || {};
      ctx.fillStyle = C.cyan; ctx.font = `${Math.max(9, ch * .19)}px "DejaVu Sans Mono"`;
      ctx.fillText(`${health.latency_ms ?? "-"}ms · ${health.state || "-"}`, bx + 12, by + ch - 4);
    }
    ctx.restore();
  }
  function drawSatLamps(sats) {
    const nowMs = performance.now();
    Stage.portScreen = sats.map((s) => {
      const q = proj(s.wx, s.wy), provider = s.def.provider;
      lampAt(q.x, q.y + lampSize().h * 1.8, Lamps[provider].link, Lamps[provider].level(nowMs), Lamps[provider].activeKind(nowMs));
      return { x: q.x, y: q.y, hide: false };
    });
  }
  function drawSatChips(sats, K) { sats.forEach((s) => drawSatChip(s, K)); }

  /* ---------- 去向端：发布(TX) / 审计(AUD)，半径 1.25，保留 HEL-538 空间关系 ---------- */
  function goOutFar(angle) { return { wx: Math.cos(angle) * GOOUT_R, wy: Math.sin(angle) * GOOUT_R }; }
  function goOutSurf(angle) { return { wx: Math.cos(angle) * STAR_R * 1.05, wy: Math.sin(angle) * STAR_R * 1.05 }; }
  const txFlowSeeds = Array.from({ length: 4 }, (_, i) => ({ o: i / 4, w: .7 + (i % 2) * .2 }));
  const audFlowSeeds = Array.from({ length: 3 }, (_, i) => ({ o: i / 3, w: .7 + (i % 2) * .2 }));
  function drawGoOutLines() {
    const txSurf = goOutSurf(TX_ANGLE), txFar = goOutFar(TX_ANGLE);
    const audSurf = goOutSurf(AUD_ANGLE), audFar = goOutFar(AUD_ANGLE);
    const txCtrl = { wx: (txSurf.wx + txFar.wx) / 2, wy: (txSurf.wy + txFar.wy) / 2 + .08 };
    const audCtrl = { wx: (audSurf.wx + audFar.wx) / 2, wy: (audSurf.wy + audFar.wy) / 2 - .06 };
    Geo.txPts = bezQuadWorld(txSurf, txCtrl, txFar, 24);
    Geo.audPts = bezQuadWorld(audSurf, audCtrl, audFar, 24);
    polyGlowWorld(Geo.txPts, C.slab, .55, 2.3, null);
    polyGlowWorld(Geo.audPts, C.edge, .38, 1.7, null);
    drawFlowDotsGeneric(txFlowSeeds, Geo.txPts, C.slab, 1, .00016);
    drawFlowDotsGeneric(audFlowSeeds, Geo.audPts, C.edge, 1, .00012);
  }
  function drawGoOutLabels() {
    const txQ = proj(goOutFar(TX_ANGLE).wx, goOutFar(TX_ANGLE).wy);
    const audQ = proj(goOutFar(AUD_ANGLE).wx, goOutFar(AUD_ANGLE).wy);
    const lw = lampSize().w;
    ctx.save(); ctx.textAlign = "right";
    ctx.fillStyle = C.ink; ctx.font = `600 ${Math.max(11, Geo.S * .027)}px "Noto Sans SC"`;
    ctx.fillText("盘后发布", txQ.x - lw - 6, txQ.y - 8);
    ctx.fillStyle = C.dim; ctx.font = `${Math.max(9, Geo.S * .02)}px "DejaVu Sans Mono"`;
    ctx.fillText("TX 回执", txQ.x - lw - 6, txQ.y + 9);
    ctx.fillStyle = C.ink; ctx.font = `600 ${Math.max(11, Geo.S * .027)}px "Noto Sans SC"`;
    ctx.fillText("审计留痕", audQ.x - lw - 6, audQ.y - 8);
    ctx.textAlign = "left"; ctx.restore();
  }
  const JUNCTION_ANGLE = 165 * D2R;
  function drawJunctionAndEndpointLamps() {
    const nowMs = performance.now();
    const jq = proj(Math.cos(JUNCTION_ANGLE) * STAR_R * .92, Math.sin(JUNCTION_ANGLE) * STAR_R * .92);
    lampAt(jq.x, jq.y, "ok", Lamps.junction.level(nowMs), Lamps.junction.activeKind(nowMs));
    const txQ = proj(goOutFar(TX_ANGLE).wx, goOutFar(TX_ANGLE).wy);
    lampAt(txQ.x, txQ.y, "ok", Lamps.tx.level(nowMs), Lamps.tx.activeKind(nowMs));
    const audQ = proj(goOutFar(AUD_ANGLE).wx, goOutFar(AUD_ANGLE).wy);
    lampAt(audQ.x, audQ.y, "ok", Lamps.audit.level(nowMs), Lamps.audit.activeKind(nowMs));
  }
  function drawPublishLabels(alpha) {
    if (alpha < .05) return;
    const q = proj(0, 0), r = Geo.S * STAR_R;
    ctx.save(); ctx.globalAlpha = alpha;
    ctx.font = "600 11px \"Noto Sans SC\"";
    ctx.fillStyle = C.cyan; ctx.fillText("RX 批次入口", q.x - r * 1.35, q.y + r * 1.1);
    ctx.fillStyle = C.red; ctx.fillText("失败 → 回滚分叉", q.x + r * .15, q.y + r * 1.2);
    ctx.restore();
  }

  /* ---------- 事件脉冲（沿卫星线路→星体接点→TX/审计），复用真实事件 PACKETS 队列 ---------- */
  const TRAVEL_IN = 900, TRAVEL_OUT = 750;
  function drawPackets() {
    const nowMs = performance.now();
    for (let k = PACKETS.length - 1; k >= 0; k--) {
      const pk = PACKETS[k]; const dt = nowMs - pk.t0;
      if (dt > TRAVEL_IN + TRAVEL_OUT + 400) { PACKETS.splice(k, 1); continue; }
      const col = pk.rb ? "rgba(255,107,107," : "rgba(255,214,150,";
      if (dt < TRAVEL_IN) {
        const u = dt / TRAVEL_IN, pts = Geo.satLinePts[pk.src]; if (!pts) continue;
        for (let j = 0; j < 5; j++) { const uu = Math.min(1, u - j * .03); if (uu < 0) break; const pt = pts[Math.floor(uu * (pts.length - 1))]; dotWorld(pt, Math.max(1.8, Geo.S * .009) * (1 - j * .15), col, .9 - j * .15, j === 0); }
      } else {
        const u = (dt - TRAVEL_IN) / TRAVEL_OUT, pts = pk.rb ? Geo.audPts : Geo.txPts; if (!pts) continue;
        for (let j = 0; j < 5; j++) { const uu = Math.min(1, u - j * .03); if (uu < 0) break; const pt = pts[Math.floor(uu * (pts.length - 1))]; dotWorld(pt, Math.max(1.7, Geo.S * .008) * (1 - j * .15), col, .85 - j * .14, j === 0); }
      }
    }
  }

  /* ---------- 幕2：调度任务环（沿外轨分布真实任务节点） ---------- */
  function drawTasksRing(a, b, amt) {
    const jobsData = state.data.jobs; if (!jobsData) return;
    const jobs = jobsData.jobs || [], runs = jobsData.runs || [];
    const latestByJob = new Map();
    for (const r of runs) if (!latestByJob.has(r.job_id)) latestByJob.set(r.job_id, r);
    const n = Math.max(1, jobs.length);
    const nowMs = performance.now();
    jobs.forEach((job, i) => {
      const ang = (i / n) * Math.PI * 2 + Math.PI * .08;
      const q = proj(Math.cos(ang) * a, Math.sin(ang) * b);
      const run = latestByJob.get(job.id), st = run ? run.state : "never";
      const color = st === "failed" ? "rgba(255,107,107," : st === "ok" ? "rgba(47,216,206," : st === "running" ? "rgba(255,184,77," : "rgba(150,160,190,";
      _dotAt(q.x, q.y, (st === "never" ? 2.6 : 4.2) * clamp(Geo.S / 380, .7, 1.3), color, (st === "never" ? .35 : .9) * amt, st !== "never");
      const isFresh = (Stage.freshJobRuns || []).some((r) => r.job_id === job.id);
      if (isFresh) lampAt(q.x, q.y - 16, "ok", Lamps.junction.level(nowMs), st === "failed" ? "error" : "ok");
      ctx.save(); ctx.globalAlpha = .6 * amt; ctx.fillStyle = st === "failed" ? C.red : C.dim;
      ctx.font = `${Math.max(9, Geo.S * .026)}px "Noto Sans SC"`; ctx.textAlign = "center";
      ctx.fillText(String(job.title || job.id).slice(0, 8), q.x, q.y - 12); ctx.textAlign = "left"; ctx.restore();
    });
  }

  /* ---------- 幕5：数据集大陆标记（星体表面 6 个锚点展开信息卡） ---------- */
  const CONTINENT_ANGLES = [30, 90, 150, 210, 270, 330].map((d) => d * D2R);
  function drawDatasetContinents(amt) {
    const pubs = (state.data.datasets && state.data.datasets.publications) || [];
    const r = STAR_R * 1.18;
    ctx.save(); ctx.globalAlpha = clamp(amt, 0, 1);
    CONTINENT_ANGLES.forEach((ang, i) => {
      const ds = pubs[i]; if (!ds) return;
      const q = proj(Math.cos(ang) * r, Math.sin(ang) * r);
      _dotAt(q.x, q.y, Math.max(2.2, Geo.S * .01), C.slab, .9, true);
      const dx = q.x - Geo.CX, dy = q.y - Geo.CY, d = Math.hypot(dx, dy) || 1, ux = dx / d, uy = dy / d;
      let x = q.x + ux * 78 - 75, y = q.y + uy * 46 - 20;
      x = clamp(x, Geo.x0, Geo.x1 - 150); y = clamp(y, Geo.y0, Geo.y1 - 40);
      ctx.strokeStyle = C.edge + ".4)"; ctx.beginPath(); ctx.moveTo(q.x, q.y); ctx.lineTo(x + 75, y + 20); ctx.stroke();
      ctx.fillStyle = C.face + ".16)"; ctx.strokeStyle = C.edge + ".55)"; ctx.lineWidth = 1;
      roundRect(x, y, 150, 40, 8); ctx.fill(); ctx.stroke();
      ctx.fillStyle = C.ink; ctx.font = "600 12px \"Noto Sans SC\""; ctx.fillText(String(ds.dataset || ""), x + 10, y + 17);
      ctx.fillStyle = C.dim; ctx.font = "10px \"DejaVu Sans Mono\""; ctx.fillText(`${ds.active_batch || ""} · ${ds.state || ""}`, x + 10, y + 32);
    });
    ctx.restore();
  }

  /* ---------- 幕6：审计时间尾迹（星体后方，半径 ≤1.02） ---------- */
  function drawAuditTrail(amt) {
    if (amt < .05) return;
    const items = ((state.data.audit && state.data.audit.items) || []).slice(0, 5);
    const n = Math.max(1, items.length);
    ctx.save();
    for (let i = 0; i < n; i++) {
      const t = i / Math.max(1, n - 1);
      // 角度收窄在 150°~210°（星体左后方），半径 ≤1.02，确保 |wy|<=0.51、|wx|<=1.02，
      // 双双落在 ±1.28×±0.6656 硬包络内（不依赖某一档具体安全盒的富余量）
      const ang = D2R * (150 + t * 60), rad = STAR_R * 1.43 + t * (1.02 - STAR_R * 1.43);
      const q = proj(Math.cos(ang) * rad, Math.sin(ang) * rad);
      const a = items[i];
      ctx.globalAlpha = amt * (1 - t * .5);
      // _dotAt 的 colorPrefix 需要 "rgba(r,g,b," 前缀形态（供其内部拼接 alpha/")"），
      // 不能直接传 C.red/C.cyan 这类完整 hex；复用既有的失败态红与 C.slab 青色前缀，不新增色值
      const col = a && String(a.action).includes("rollback") ? "rgba(255,107,107," : C.slab;
      _dotAt(q.x, q.y, Math.max(2.2, Geo.S * .01), col, .8, true);
      if (a) {
        ctx.fillStyle = C.ink; ctx.font = `${Math.max(9, Geo.S * .022)}px "Noto Sans SC"`;
        ctx.fillText(`${a.action || ""} · ${a.target || ""}`.slice(0, 20), q.x + 10, q.y + 3);
        ctx.fillStyle = C.dim; ctx.font = `${Math.max(8, Geo.S * .018)}px "DejaVu Sans Mono"`;
        ctx.fillText(timeShort(a.created_at), q.x + 10, q.y + 14);
      }
    }
    ctx.restore();
  }

  /* ---------- 主循环 ---------- */
  const publicApi = { portScreen: [], freshJobRuns: [] };

  function scheduleNav() { document.querySelectorAll("#rail .stop").forEach((el) => { el.onclick = () => Nav.go(+el.dataset.i); }); }
  function buildCabinShell() {
    $("rail").innerHTML = SCENES.map((s, i) => `<div class="stop" data-i="${i}"><i></i>${esc(s.label)}</div>`).join('<div class="sep"></div>');
    scheduleNav();
  }
  function resize() {
    if (!canvas) return;
    DPR = Math.min(devicePixelRatio || 1, 2);
    const r = canvas.parentElement.getBoundingClientRect();
    W = r.width; H = r.height;
    canvas.width = W * DPR; canvas.height = H * DPR;
    ctx.setTransform(DPR, 0, 0, DPR, 0, 0);
  }
  function positionDetail(idx) {
    const el = $("detail");
    let anchor = null;
    if (idx === 1 && Stage.portScreen.length) anchor = Stage.portScreen.find((q) => q && !q.hide);
    if (anchor) {
      el.style.left = clamp(anchor.x + 34, 20, W - 380) + "px";
      el.style.top = clamp(anchor.y - 40, 16, H - 260) + "px";
    } else {
      el.style.left = Math.max(20, W / 2 - 180) + "px";
      el.style.top = "20px";
    }
  }
  function onCanvasClick(e) {
    const r = canvas.getBoundingClientRect(), x = e.clientX - r.left, y = e.clientY - r.top;
    let best = -1, bd = 30 * 30;
    Stage.portScreen.forEach((q, i) => { if (!q) return; const d = (q.x - x) ** 2 + (q.y - y) ** 2; if (d < bd) { bd = d; best = i; } });
    const sphereR = Geo.S * STAR_R;
    const coreHit = Math.hypot(x - Geo.CX, y - Geo.CY) < sphereR * 1.3;
    if (best >= 0 || coreHit) Detail.open(SCENES[state.scene].key);
    else Detail.close();
  }

  let cabinIdx = -1;
  function renderCabin(idx) {
    const c = SCENE_CABIN[idx]();
    const el = $("cabin");
    el.innerHTML = `<div class="eyebrow">${esc(c.eyebrow)}</div><h2>${esc(c.title)}</h2><div class="sub">${esc(c.sub)}</div>
      <div class="rows">${c.rows.map((r) => `<div class="row"><span class="dotlamp${r[2] === "fail" ? " fail" : r[2] === "warn" ? " warn" : ""}"></span><span>${esc(r[0])}</span><span class="fill"></span><b class="mono">${esc(r[1])}</b></div>`).join("")}</div>
      <div class="actions">${c.actions.map((a, i) => `<button class="btn ${esc(a.cls)}" data-act="${i}">${esc(a.label)}</button>`).join("")}</div>`;
    el.querySelectorAll("[data-act]").forEach((btn, i) => { btn.onclick = c.actions[i].action; });
  }
  function syncUI(idx, p) {
    // 脏标记驱动：只在幕次真正切换时才重建 #cabin / 重新定位 rail，
    // 不再每帧（60x/秒）重建，避免真实鼠标点击/输入所在节点被整体替换；
    // 同幕内的数据更新交给下方 Views.onChange（真实数据变化时才刷新）。
    if (idx !== cabinIdx) {
      const el = $("cabin");
      el.classList.add("hide");
      setTimeout(() => { renderCabin(idx); el.classList.remove("hide"); }, 180);
      cabinIdx = idx;
      document.querySelectorAll("#rail .stop").forEach((el2, i) => el2.classList.toggle("on", i === idx));
      $("hint").classList.toggle("off", p > .15);
      $("crumb").textContent = `8766 · ${SCENES[idx].label} · 持续运转`;
      $("phase").textContent = `${idx + 1} / ${SCENES.length}`;
      state.scene = idx;
    }
  }
  Views.onChange(() => {
    if (running && cabinIdx >= 0) renderCabin(cabinIdx);
    if (Detail.openKey && !$("detail").classList.contains("closed")) Detail.reopen();
  });

  function render() {
    if (!canvas) return;
    computeSafeBox();
    drawBackdrop();
    const p = progress();
    const K = chapterAt(p);
    const vtSec = (performance.now() - T0) / 1000;
    const sats = computeSats(K, vtSec);

    drawOrbitEllipse(K.outerA, K.outerA * SQUASH);
    drawOrbitEllipse(ORBIT_INNER_A0, ORBIT_INNER_A0 * SQUASH);

    if (K.trail > .05) drawAuditTrail(K.trail);

    sats.filter((s) => s.back).forEach((s) => drawSatLink(s, false));
    drawSphere(K.explode);
    if (K.taskRing > .05) drawTasksRing(K.outerA, K.outerA * SQUASH, K.taskRing);
    sats.filter((s) => !s.back).forEach((s) => drawSatLink(s, true));

    drawGoOutLines();
    drawPackets();

    if (K.unfold > .3) drawDatasetContinents(Math.min(1, (K.unfold - .3) * 1.6));
    drawPublishLabels(Math.max(0, Math.min(1, (K.explode - .3) / .55)));

    drawSatChips(sats, K);
    drawGoOutLabels();

    drawSatLamps(sats);
    drawJunctionAndEndpointLamps();

    const nowMs = performance.now();
    Object.values(Lamps).forEach((ch) => { if (ch instanceof LampChannel) ch.prune(nowMs); });
    syncUI(K.idx, p);
  }
  function loop() { if (!running) return; render(); rafId = requestAnimationFrame(loop); }

  Object.assign(publicApi, {
    init() {
      canvas = $("scene"); ctx = canvas.getContext("2d");
      initPalette();
      addEventListener("resize", resize);
      resize();
      buildCabinShell();
      canvas.addEventListener("click", onCanvasClick);
      $("detailClose").addEventListener("click", () => Detail.close());
      // 相机（安全盒缩放 S）由 render() 每帧直接读取 scrollY + 窗口尺寸计算，
      // 天然免疫快速/反向滚动排队问题，无需额外监听 scroll 事件。
    },
    onThemeChange() { initPalette(); bgKey = ""; },
    start() { if (!running) { running = true; scheduleNav(); loop(); } },
    resume() { this.start(); },
    pause() { running = false; if (rafId) cancelAnimationFrame(rafId); rafId = null; },
    stop() { this.pause(); },
    scrollToScene(idx) {
      const track = $("track");
      const secH = track.offsetHeight / 6;
      scrollTo({ top: track.offsetTop + idx * secH, behavior: "smooth" });
    },
    renderDetail(idx) {
      const body = SCENE_DETAIL[idx]();
      $("detailBody").innerHTML = body;
      if (SCENE_BIND[idx]) SCENE_BIND[idx]($("detailBody"));
      positionDetail(idx);
      $("detail").classList.remove("closed");
    },
    closeDetail() { $("detail").classList.add("closed"); },
  });

  return publicApi;
})();

/* ==========================================================================
   减少动态效果版：六幕静态区块，正常滚动，无位移/旋转/闪烁，信息与功能等价。
   ========================================================================== */
const StaticShell = (() => {
  let mounted = false;
  function drawStaticDiagram(canvasEl, seedAngle) {
    // 星体中枢（第八版）静态版：星体 + 2 层完整椭圆轨道 + 4 颗卫星 + 指向星体的静态流向箭头。
    // 与动效版同一套几何语言，只是冻结自转/环绕/闪烁——信息与功能保持等价。
    const ctx = canvasEl.getContext("2d");
    const W = canvasEl.width = canvasEl.clientWidth * 2;
    const H = canvasEl.height = canvasEl.clientHeight * 2;
    const night = document.documentElement.getAttribute("data-theme") === "night";
    ctx.fillStyle = night ? "#0A1020" : "#F1F4FC";
    ctx.fillRect(0, 0, W, H);
    const cx = W / 2, cy = H / 2;
    const ringColor = night ? "rgba(140,190,255,.4)" : "rgba(47,99,214,.35)";
    const rOuterX = Math.min(W, H) * .42, rOuterY = rOuterX * .52;
    const rInnerX = rOuterX * .74, rInnerY = rInnerX * .52;
    ctx.strokeStyle = ringColor; ctx.lineWidth = 1.4;
    [[rOuterX, rOuterY], [rInnerX, rInnerY]].forEach(([rx, ry]) => {
      ctx.beginPath(); ctx.ellipse(cx, cy, rx, ry, 0, 0, Math.PI * 2); ctx.stroke();
    });
    const starR = Math.min(W, H) * .13;
    const grad = ctx.createRadialGradient(cx - starR * .3, cy - starR * .3, starR * .1, cx, cy, starR);
    grad.addColorStop(0, night ? "#EAF6FF" : "#FFFFFF");
    grad.addColorStop(1, night ? "#2E5A94" : "#5488C4");
    ctx.fillStyle = grad; ctx.beginPath(); ctx.arc(cx, cy, starR, 0, Math.PI * 2); ctx.fill();
    // 四颗卫星：固定角度（每个诊断图用 seedAngle 做轻微错位，避免六幕图完全重复）
    // 识别色沿用统一设计 Token --chan1..4（与动效版 PAL.chan 同源，不叠加新配色）
    const colors = night ? ["#96CDFF", "#78B4FF", "#B9AFFF", "#FFD6A0"] : ["#2F63D6", "#0A7C92", "#6D5DD6", "#BE780A"];
    const angles = [200, 20, 140, 320].map((d) => (d + seedAngle * 12) * Math.PI / 180);
    const radii = [[rOuterX, rOuterY], [rOuterX, rOuterY], [rInnerX, rInnerY], [rInnerX, rInnerY]];
    angles.forEach((ang, i) => {
      const [rx, ry] = radii[i];
      const sx = cx + Math.cos(ang) * rx, sy = cy + Math.sin(ang) * ry;
      ctx.strokeStyle = colors[i]; ctx.globalAlpha = .6; ctx.lineWidth = 1.6;
      ctx.beginPath(); ctx.moveTo(sx, sy); ctx.lineTo(cx, cy); ctx.stroke();
      const mx = sx + (cx - sx) * .35, my = sy + (cy - sy) * .35;
      const ah = Math.atan2(cy - sy, cx - sx);
      ctx.save(); ctx.translate(mx, my); ctx.rotate(ah);
      ctx.beginPath(); ctx.moveTo(-6, -4); ctx.lineTo(6, 0); ctx.lineTo(-6, 4); ctx.closePath();
      ctx.fillStyle = colors[i]; ctx.globalAlpha = .85; ctx.fill();
      ctx.restore();
      ctx.globalAlpha = 1;
      ctx.fillStyle = colors[i]; ctx.beginPath(); ctx.arc(sx, sy, 5, 0, Math.PI * 2); ctx.fill();
    });
  }
  function lampChipHTML(provider) {
    const lamp = Lamps[provider];
    const linkOn = lamp.link === "ok";
    const recent = Date.now() - lamp.lastAt < 8000;
    const label = FLOW_LABEL[provider] || provider;
    return `<span class="lampchip"><span class="lk${linkOn ? " on" : ""}"></span><span class="ac${recent ? " on recent" : ""}"></span>${esc(label)}
      ${lamp.lastAt ? `<span class="muted">· ACT ${Math.max(0, Math.round((Date.now() - lamp.lastAt) / 1000))}s 前</span>` : '<span class="muted">· 无最近事件</span>'}</span>`;
  }
  function sceneBlockHTML(idx) {
    const s = SCENES[idx];
    const cab = SCENE_CABIN[idx]();
    return `
      <section class="scene-static" id="static-${s.key}" data-scene="${idx}">
        <div class="scene-head"><span class="eyebrow">${esc(cab.eyebrow)}</span><h2>${esc(cab.title)}</h2></div>
        <canvas class="diagram" id="diagram-${idx}"></canvas>
        <div class="scene-static-sub muted">${esc(cab.sub)}</div>
        ${idx === 1 ? `<div class="lamprow">${FLOW_PROVIDERS.map(lampChipHTML).join("")}</div>` : ""}
        <div class="cards">${cab.rows.map((r) => `<div class="card"><div class="muted">${esc(r[0])}</div><strong class="${r[2] === "fail" ? "fail" : r[2] === "warn" ? "warn" : ""}">${esc(r[1])}</strong></div>`).join("")}</div>
        <div id="static-detail-${idx}">${SCENE_DETAIL[idx]()}</div>
      </section>`;
  }
  function rebindScene(idx) {
    const root = $(`static-detail-${idx}`);
    if (SCENE_BIND[idx]) SCENE_BIND[idx](root);
  }
  function rerenderScene(idx) {
    const cab = SCENE_CABIN[idx]();
    const section = document.querySelector(`.scene-static[data-scene="${idx}"]`);
    if (!section) return;
    const cardsEl = section.querySelector(".cards");
    if (cardsEl) cardsEl.innerHTML = cab.rows.map((r) => `<div class="card"><div class="muted">${esc(r[0])}</div><strong class="${r[2] === "fail" ? "fail" : r[2] === "warn" ? "warn" : ""}">${esc(r[1])}</strong></div>`).join("");
    if (idx === 1) { const lr = section.querySelector(".lamprow"); if (lr) lr.innerHTML = FLOW_PROVIDERS.map(lampChipHTML).join(""); }
    const detailEl = $(`static-detail-${idx}`);
    if (detailEl) { detailEl.innerHTML = SCENE_DETAIL[idx](); rebindScene(idx); }
  }
  function mount() {
    if (mounted) return;
    mounted = true;
    $("staticNav").innerHTML = SCENES.map((s, i) => `<button data-i="${i}">${esc(s.label)}</button>`).join("");
    $("staticNav").querySelectorAll("button").forEach((btn, i) => {
      btn.addEventListener("click", () => { setActive(i); scrollToInternal(i); });
    });
    $("staticScenes").innerHTML = SCENES.map((_, i) => sceneBlockHTML(i)).join("");
    SCENES.forEach((_, i) => { drawStaticDiagram($(`diagram-${i}`), i * .5); rebindScene(i); });
    setActive(0);
    Views.onChange(refreshAll);
  }
  function refreshAll() { if (mounted) SCENES.forEach((_, i) => rerenderScene(i)); }
  function setActive(i) {
    $("staticNav").querySelectorAll("button").forEach((b, j) => b.classList.toggle("active", j === i));
    state.scene = i;
    $("crumb").textContent = `8766 · ${SCENES[i].label} · 持续运转`;
    $("phase").textContent = `${i + 1} / ${SCENES.length}`;
  }
  function scrollToInternal(i) {
    const el = document.querySelector(`.scene-static[data-scene="${i}"]`);
    if (el) el.scrollIntoView({ behavior: "smooth", block: "start" });
  }
  function unmount() { /* CSS 控制显隐，无需清空内容，避免频繁重建 DOM */ }
  return { mount, unmount, scrollTo: scrollToInternal };
})();

/* ==========================================================================
   启动
   ========================================================================== */
function enterShell() {
  Stage.init();
  applyReduced(REDUCE_MQ.matches);
  const savedTheme = (() => { try { return localStorage.getItem("hub_theme"); } catch { return null; } })();
  applyTheme(savedTheme === "night" ? "night" : "day");
  Poller.startAll();
  updateCrumbStatus();
}

boot();