sm121
/
launcher


			
				
					
						
						
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							<!doctype html>
<html data-theme="dark">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>sm121</title>
<style>
  :root[data-theme="dark"] {
    --bg: #0d1117; --panel: #161b22; --fg: #e6edf3; --muted: #8b949e;
    --border: #30363d; --accent: #58a6ff; --shade: rgba(0,0,0,.55);
    /* monospace content (raw/logs/jobs/node names) — the Alacritty font (~/.alacritty.toml) */
    --mono: "DMMono Nerd Font", Menlo, ui-monospace, SFMono-Regular, monospace;
    --led-on: #3fb950; --led-off: #f85149; --led-busy: #d29922; --led-free: #30363d;
    --glow-on: 0 0 8px 2px rgba(63,185,80,.55); --glow-busy: 0 0 8px 2px rgba(210,153,34,.55);
    --btn: #21262d; --btn-hover: #30363d;
  }
  :root[data-theme="light"] {
    --bg: #f6f8fa; --panel: #ffffff; --fg: #1f2328; --muted: #656d76;
    --border: #d0d7de; --accent: #0969da; --shade: rgba(31,35,40,.20);
    --mono: "DMMono Nerd Font", Menlo, ui-monospace, SFMono-Regular, monospace;
    --led-on: #1a7f37; --led-off: #cf222e; --led-busy: #9a6700; --led-free: #8c959f;
    --glow-on: 0 0 8px 2px rgba(26,127,55,.35); --glow-busy: 0 0 8px 2px rgba(154,103,0,.35);
    --btn: #f6f8fa; --btn-hover: #eaeef2;
  }
  * { box-sizing: border-box; }
  html, body { height: 100%; }
  body {
    margin: 0; background: var(--bg); color: var(--fg);
    font: 14px/1.45 ui-sans-serif, system-ui, "SF Pro", sans-serif;
    display: flex; flex-direction: column;
    transition: background .25s, color .25s;
  }
  header {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 16px; border-bottom: 1px solid var(--border);
    background: var(--panel); position: sticky; top: 0; z-index: 5;
  }
  header h1 { font-size: 15px; margin: 0; font-weight: 650; letter-spacing: .3px; }
  header .spacer { flex: 1; }
  .ssec { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
  .ssec .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--led-off); }
  .ssec.ok .dot { background: var(--led-on); }
  .ssec.re .dot { animation: pulse 1s infinite; }
  button.tbtn {
    background: var(--btn); color: var(--fg); border: 1px solid var(--border);
    border-radius: 6px; padding: 4px 10px; cursor: pointer; font: inherit; font-size: 13px;
  }
  button.tbtn:hover { background: var(--btn-hover); }

  /* --- window manager ------------------------------------------------------ */
  #winlayer { position: relative; flex: 1; overflow: hidden; }
  .win {
    position: absolute; background: var(--panel); border: 1px solid var(--border);
    border-radius: 10px; display: flex; flex-direction: column;
    box-shadow: 0 6px 24px rgba(0,0,0,.35); animation: winIn .3s ease both;
  }
  /* maximized: the frame disappears and the window IS the layer; its title
     moves into the header (with a restore button) */
  .win.max { border: 0; border-radius: 0; box-shadow: none; }
  .win.max .win-bar, .win.max .win-resize { display: none; }
  /* `display: flex` would override the `hidden` attribute (whose UA rule is
     just `display: none`) — guard it, like .dlg-back does */
  #maxinfo { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--muted); }
  #maxinfo[hidden] { display: none; }
  #maxinfo .maxtitle { color: var(--fg); font-weight: 600; }
  #maxinfo .wbtn { width: 22px; height: 20px; font-size: 12px; }
  .win-bar {
    display: flex; align-items: center; gap: 6px; padding: 7px 10px;
    border-bottom: 1px solid var(--border); cursor: grab; user-select: none;
    font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted);
    flex-shrink: 0;
  }
  .win-bar:active { cursor: grabbing; }
  .win-bar .wtitle { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .wbtn {
    background: none; border: 1px solid transparent; color: var(--muted);
    border-radius: 5px; width: 20px; height: 18px; cursor: pointer; font: inherit; font-size: 12px;
    line-height: 1; padding: 0;
  }
  .wbtn:hover { background: var(--btn-hover); color: var(--fg); }
  .win-body { flex: 1; overflow: auto; padding: 12px 14px; }
  .win-resize {
    position: absolute; right: 0; bottom: 0; width: 14px; height: 14px; cursor: nwse-resize;
    background: linear-gradient(135deg, transparent 50%, var(--border) 50%);
  }
  #dock {
    display: flex; gap: 6px; align-items: center; padding: 6px 12px;
    border-top: 1px solid var(--border); background: var(--panel); min-height: 34px; flex-shrink: 0;
  }
  #dock:empty { display: none; }
  .dock-chip {
    background: var(--btn); color: var(--muted); border: 1px solid var(--border);
    border-radius: 999px; padding: 2px 10px; font-size: 12px; cursor: pointer; font: inherit;
  }
  .dock-chip:hover { color: var(--fg); border-color: var(--accent); }

  /* --- cluster board ------------------------------------------------------- */
  .cluster.anim { animation: winIn .35s ease both; }
  .cluster { margin-bottom: 14px; }
  .cluster-head { display: flex; align-items: baseline; gap: 8px; margin-bottom: 6px; }
  .cluster-head b { font-size: 13px; }
  .cluster-head .free { color: var(--muted); font-size: 12px; }
  .cluster-head .down { color: var(--led-off); font-size: 12px; }
  .cluster-head .soft { color: var(--led-busy); font-size: 12px; }
  .node {
    display: flex; align-items: center; gap: 10px; padding: 5px 0;
    border-bottom: 1px solid var(--border); cursor: pointer;
  }
  .node:hover { background: var(--btn); }
  .node:last-child { border-bottom: none; }
  .led {
    width: 11px; height: 11px; border-radius: 50%; background: var(--led-off);
    transition: background .4s, box-shadow .4s; flex-shrink: 0;
  }
  .led.on { background: var(--led-on); box-shadow: var(--glow-on); }
  .led.b { background: var(--led-busy); box-shadow: var(--glow-busy); }
  .led.off { background: var(--led-off); }
  .led.flip { animation: flip .45s ease; }
  .nname { width: 64px; font-family: var(--mono); font-size: 12.5px; }
  .nmeta { color: var(--muted); font-size: 12px; flex: 1; overflow: hidden; text-overflow: ellipsis; }
  .containers { width: 100%; margin-top: 2px; }
  .crow { display: flex; align-items: center; gap: 8px; padding: 2px 0 2px 21px; font-size: 12px; color: var(--muted); }
  .cled { width: 7px; height: 7px; border-radius: 50%; background: var(--led-busy); box-shadow: var(--glow-busy); flex-shrink: 0; }
  .cname { font-family: var(--mono); color: var(--fg); }
  .actions { display: flex; gap: 8px; align-items: center; margin: 6px 0 0 21px; flex-wrap: wrap; }
  .actions select { font: inherit; }
  .actions input[type=checkbox] {
    appearance: none; -webkit-appearance: none;
    width: 15px; height: 15px; margin: 0; flex-shrink: 0;
    border: 1.5px solid var(--border); border-radius: 4px; background: var(--btn);
    cursor: pointer; position: relative; transition: background .15s, border-color .15s;
  }
  .actions input[type=checkbox]:hover { border-color: var(--accent); }
  .actions input[type=checkbox]:checked { background: var(--accent); border-color: var(--accent); }
  .actions input[type=checkbox]:checked::after {
    content: ""; position: absolute; left: 3.5px; top: 0;
    width: 4px; height: 8px; border: solid #fff; border-width: 0 2px 2px 0;
    transform: rotate(45deg);
  }
  .actions select {
    background: var(--btn); color: var(--fg); border: 1px solid var(--border);
    border-radius: 6px; padding: 2px 6px; font-size: 12.5px; max-width: 260px; height: 26px;
  }
  .actions label { font-size: 12px; color: var(--muted); display: inline-flex; align-items: center; gap: 4px; height: 26px; }
  .actions label input { margin: 0; }
  .strip { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--border); }
  .chip {
    display: inline-flex; align-items: center; gap: 6px; cursor: pointer; user-select: none;
    border: 1px solid var(--border); border-radius: 999px; padding: 3px 10px; font-size: 12px;
    color: var(--muted); background: var(--btn); transition: border-color .15s, color .15s;
  }
  .chip .m { opacity: .7; }
  .chip.active { color: var(--fg); border-color: var(--accent); }
  .abtn {
    background: var(--btn); color: var(--fg); border: 1px solid var(--border);
    border-radius: 6px; padding: 0 12px; cursor: pointer; font: inherit; font-size: 12.5px;
    height: 26px; transition: background .15s;
  }
  .abtn:hover:not(:disabled) { background: var(--btn-hover); }
  .abtn:disabled { opacity: .45; cursor: default; }
  .abtn.danger { color: var(--led-off); }
  .jobs { font-family: var(--mono); font-size: 12px; }
  .job { display: flex; gap: 8px; align-items: baseline; padding: 4px 0; border-bottom: 1px solid var(--border); }
  .job.new { animation: winIn .3s ease both; }
  .job:last-child { border-bottom: none; }
  .jdot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex-shrink: 0; align-self: center; }
  .job.ok .jdot { background: var(--led-on); }
  .job.failed .jdot { background: var(--led-off); }
  .jkind { width: 48px; color: var(--muted); }
  .jmsg { color: var(--muted); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .jjob .jmsg { color: var(--fg); }
  .jobs-empty { color: var(--muted); font-size: 12.5px; padding: 6px 0; }

  /* --- log windows ---------------------------------------------------------- */
  .logwin .win-body { display: flex; flex-direction: column; padding: 0; }
  .logbar {
    display: flex; gap: 8px; align-items: center; padding: 8px 10px;
    border-bottom: 1px solid var(--border); flex-shrink: 0; flex-wrap: wrap;
  }
  .logbar select {
    background: var(--btn); color: var(--fg); border: 1px solid var(--border);
    border-radius: 6px; padding: 2px 6px; font-size: 12px; max-width: 300px; height: 26px;
  }
  .logbar label { font-size: 12px; color: var(--muted); display: inline-flex; gap: 4px; align-items: center; }
  .logbar input[type=checkbox] {
    appearance: none; -webkit-appearance: none; width: 15px; height: 15px; margin: 0;
    border: 1.5px solid var(--border); border-radius: 4px; background: var(--btn);
    cursor: pointer; position: relative;
  }
  .logbar input[type=checkbox]:checked { background: var(--accent); border-color: var(--accent); }
  .logbar input[type=checkbox]:checked::after {
    content: ""; position: absolute; left: 3.5px; top: 0;
    width: 4px; height: 8px; border: solid #fff; border-width: 0 2px 2px 0;
    transform: rotate(45deg);
  }
  .lognote { font-size: 12px; color: var(--muted); flex: 1; }
  .lognote.dead { color: var(--led-busy); }
  .logpre {
    flex: 1; margin: 0; padding: 10px 12px; overflow: auto;
    font: 11.5px/1.5 var(--mono); white-space: pre-wrap;
    word-break: break-word; color: var(--fg);
  }

  /* --- raw content windows --------------------------------------------------- */
  .rawwin .win-body { display: flex; flex-direction: column; padding: 0; }
  .recwin .win-body { padding: 0; }
  .recwin iframe { width: 100%; height: 100%; border: 0; display: block; background: var(--panel); }
  /* the embedded report page resolves `color-scheme: light dark` from this
     element, so it follows the dashboard theme instead of the OS one */
  :root[data-theme="dark"] .recwin iframe { color-scheme: dark; }
  :root[data-theme="light"] .recwin iframe { color-scheme: light; }
  .rawbar {
    display: flex; gap: 8px; align-items: center; padding: 8px 10px;
    border-bottom: 1px solid var(--border); flex-shrink: 0;
  }
  .rawbar select {
    background: var(--btn); color: var(--fg); border: 1px solid var(--border);
    border-radius: 6px; padding: 2px 6px; font-size: 12px; max-width: 320px; height: 26px;
  }
  .rawbar .abtn { height: 26px; }
  .rawnote { font-size: 12px; color: var(--muted); flex: 1; }

  /* --- polish: skeleton + attention ------------------------------------------ */
  .skeleton { height: 14px; border-radius: 6px; margin: 10px 0;
    background: linear-gradient(90deg, var(--btn) 25%, var(--btn-hover) 50%, var(--btn) 75%);
    background-size: 200% 100%; animation: shimmer 1.2s infinite; }
  @keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
  .cled.exited { background: var(--led-off); box-shadow: 0 0 8px 2px rgba(248,81,73,.5); animation: pulse 1.2s infinite; }
  .abtn:disabled { animation: pulse 1.2s infinite; }
  .job.jjob .jdot { animation: pulse 1.2s infinite; }

  /* --- serve flags (CLI parity) + node logs button + dock menu ---------------- */
  .fnode {
    background: var(--btn); color: var(--muted); border: 1px solid var(--border);
    border-radius: 6px; padding: 2px 6px; font-size: 12px; height: 26px; max-width: 140px;
  }
  .flags summary {
    cursor: pointer; font-size: 12px; color: var(--muted); height: 26px;
    display: inline-flex; align-items: center; padding: 0 8px;
    border: 1px dashed var(--border); border-radius: 6px; user-select: none;
  }
  .flags summary:hover { color: var(--fg); border-color: var(--accent); }
  .flags-in {
    display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px;
    padding: 8px; background: var(--btn); border-radius: 6px;
  }
  .flags-in label { font-size: 12px; color: var(--muted); display: inline-flex; align-items: center; gap: 4px; }
  .flags-in input[type=checkbox] {
    appearance: none; -webkit-appearance: none; width: 14px; height: 14px; margin: 0;
    border: 1.5px solid var(--border); border-radius: 4px; background: var(--bg);
    cursor: pointer; position: relative;
  }
  .flags-in input[type=checkbox]:checked { background: var(--accent); border-color: var(--accent); }
  .flags-in input[type=checkbox]:checked::after {
    content: ""; position: absolute; left: 3px; top: 0; width: 3.5px; height: 7px;
    border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg);
  }
  .flags-in input[type=text] {
    background: var(--bg); color: var(--fg); border: 1px solid var(--border);
    border-radius: 5px; padding: 1px 5px; font: inherit; font-size: 12px; height: 22px;
  }
  .logsbtn { margin-left: auto; height: 20px; font-size: 11px; padding: 0 8px; flex-shrink: 0; }
  .win.flash { outline: 2px solid var(--accent); outline-offset: -1px; }
  .dockmenu {
    position: fixed; bottom: 44px; right: 12px; display: flex; flex-direction: column; gap: 4px;
    background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 8px;
    box-shadow: 0 12px 40px rgba(0,0,0,.5); z-index: 300; animation: winIn .15s ease both;
  }
  /* window switcher menu (header): same look, anchored below the header */
  .winmenu { position: fixed; top: 42px; right: 12px; bottom: auto;
    display: flex; flex-direction: column; gap: 2px;
    background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 8px;
    box-shadow: 0 12px 40px rgba(0,0,0,.5); z-index: 300; animation: winIn .15s ease both; }
  .winmenu .dock-chip { text-align: left; }
  .winmenu .wmax-on { font-weight: 600; }

  /* --- confirm dialog ------------------------------------------------------- */
  .dlg-back[hidden] { display: none; }
  .dlg-back {
    position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 400;
    display: flex; align-items: center; justify-content: center; animation: fadeIn .15s ease;
  }
  .dlg {
    background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
    padding: 18px; width: min(460px, 92vw); max-height: 80vh; overflow: auto;
    box-shadow: 0 12px 40px rgba(0,0,0,.5); animation: winIn .2s ease both;
  }
  .dlg h3 { margin: 0 0 10px; font-size: 14px; }
  .dlg .body { font-size: 13px; color: var(--fg); margin-bottom: 12px; }
  .dlg .body code { font-family: var(--mono); font-size: 12px; background: var(--btn); padding: 1px 5px; border-radius: 4px; }
  .dlg .cbox { font-family: var(--mono); font-size: 12px; color: var(--muted); margin: 8px 0 0; padding: 8px; background: var(--btn); border-radius: 6px; }
  .dlg .cbox li { margin: 2px 0; }
  .dlg input {
    width: 100%; background: var(--btn); color: var(--fg); border: 1px solid var(--border);
    border-radius: 6px; padding: 6px 8px; font: inherit; margin: 8px 0;
  }
  .dlg .row { display: flex; justify-content: flex-end; gap: 8px; }
  @keyframes flip { 0% { transform: scale(1); } 40% { transform: scale(1.5); } 100% { transform: scale(1); } }
  @keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
  @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
  @keyframes winIn { from { opacity: 0; transform: translateY(-4px) scale(.985); } to { opacity: 1; transform: none; } }
  @media (prefers-reduced-motion: reduce) {
    *, .led, .led.flip, .ssec.re .dot, .cluster, .job, .dlg, .win, .skeleton, .cled.exited, .abtn:disabled { animation: none !important; }
  }

  /* --- topology map ------------------------------------------------------- */
  #topo { height: 100%; overflow: hidden; }
  #topo svg { width: 100%; height: 100%; display: block; }
  #topo .topo-empty { height: 100%; display: grid; place-items: center; color: var(--muted); }
  #topo text { font: 12px/1.25 ui-sans-serif, system-ui; fill: var(--fg); }
  #topo .sub { fill: var(--muted); font-size: 10px; }
  #topo .dev { transition: opacity .5s, filter .5s; }
  #topo .dev.unpowered { opacity: .7; filter: grayscale(1); }
  #topo .dev.unpowered .body { fill: var(--bg); stroke-dasharray: 4 3; filter: none; }
  #topo .dev .body { fill: color-mix(in srgb, var(--fg) 5%, var(--panel)); stroke: color-mix(in srgb, var(--fg) 55%, transparent); stroke-width: 1.4; filter: drop-shadow(0 1px 2px var(--shade)); }
  #topo .dev .top { fill: color-mix(in srgb, var(--fg) 12%, transparent); }
  #topo .dev .vent { fill: color-mix(in srgb, var(--fg) 32%, transparent); }
  #topo .dev .plate { fill: color-mix(in srgb, var(--fg) 10%, var(--panel)); }
  #topo .dev .nm { font-size: 12.5px; font-weight: 600; }
  #topo .dev .ip { font-size: 10px; fill: var(--muted); font-family: var(--mono); }
  #topo .dev .ctr { fill: color-mix(in srgb, var(--muted) 22%, transparent); stroke: color-mix(in srgb, var(--muted) 60%, transparent); }
  #topo .dev .ctr.hot { fill: color-mix(in srgb, var(--led-busy) 35%, transparent); }
  #topo .dev .ctrt { font-size: 8.5px; fill: var(--muted); }
  #topo .dev.planned .body { stroke-dasharray: 4 4; opacity: .5; }
  .pled { fill: var(--led-free); }
  .pled.on { fill: var(--led-on); filter: drop-shadow(0 0 3px var(--led-on)); }
  .pled.b { fill: var(--led-busy); filter: drop-shadow(0 0 3px var(--led-busy)); animation: pulse 1.6s infinite; }
  .pled.off { fill: var(--led-off); }
  #topo .cable { fill: none; stroke-linecap: round; stroke-linejoin: round; }
  #topo .c-200g { stroke: color-mix(in srgb, var(--accent) 78%, transparent); stroke-width: 2.6; }
  #topo .c-dac { stroke: color-mix(in srgb, #a371f7 78%, transparent); stroke-width: 2.6; }
  #topo .c-10g { stroke: color-mix(in srgb, var(--muted) 68%, transparent); stroke-width: 1.5; }
  #topo .flow { opacity: 0; transition: opacity .6s; }
  #topo .flow.live { opacity: .9; }
  #topo .flow.c-200g { stroke: var(--accent); stroke-dasharray: 4 10; animation: flow 1.1s linear infinite; }
  #topo .flow.c-dac { stroke: #a371f7; stroke-dasharray: 4 10; animation: flow 1.1s linear infinite; }
  #topo .flow.c-10g { stroke: color-mix(in srgb, var(--fg) 50%, transparent); stroke-width: 1.5; stroke-dasharray: 3 9; animation: flow 1.6s linear infinite; }
  /* bus-mode crossings: the 10g run hops over the 200g lane */
  #topo .bridge { fill: none; stroke: color-mix(in srgb, var(--fg) 70%, transparent); stroke-width: 1.5; }
  #topo .cablemode { cursor: pointer; fill: var(--muted); font-size: 11px; }
  #topo .cablemode:hover { fill: var(--fg); text-decoration: underline; }
  @keyframes flow { to { stroke-dashoffset: -14; } }
  #topo .port { fill: var(--led-free); }
  #topo .port.on { fill: var(--led-on); }
  #topo .swbox { fill: color-mix(in srgb, var(--fg) 5%, var(--panel)); stroke: color-mix(in srgb, var(--fg) 55%, transparent); stroke-width: 1.4; }
  #topo .sw .swbox { transition: stroke .4s; }
  #topo .sw.ib.on .swbox { stroke: color-mix(in srgb, var(--led-on) 65%, transparent); filter: drop-shadow(0 0 5px color-mix(in srgb, var(--led-on) 35%, transparent)); }
  #topo .sw.ib.off .swbox { stroke: color-mix(in srgb, var(--led-off) 75%, transparent); }
  #topo .sw.ib.unk .swbox { stroke: color-mix(in srgb, var(--led-busy) 60%, transparent); }
  #topo .fan .fbody { fill: color-mix(in srgb, var(--fg) 5%, var(--panel)); stroke: color-mix(in srgb, var(--fg) 55%, transparent); stroke-width: 1.4; }
  #topo .fan .blade { fill: color-mix(in srgb, var(--fg) 34%, transparent); }
  #topo .fan .hub { fill: color-mix(in srgb, var(--fg) 50%, transparent); }
  #topo .fan .blades { transform-origin: 770px 318px; animation: spin 1.4s linear infinite; }
  #topo .fan.off .blades { animation: none; opacity: .4; }
  #topo .fan.unk .blades { animation: spin 4s linear infinite; opacity: .55; }
  @keyframes spin { to { transform: rotate(1turn); } }
  #topo .cluster-frame { cursor: pointer; }
  #topo .cluster-frame:hover .frame { stroke-width: 2.2; }
  #topo .fchip { cursor: pointer; }
  #topo .fchip:hover rect { stroke-width: 2; }
  #topo .fchip.down { filter: saturate(.5); }
  #topo .frame { stroke-width: 1.5; transition: opacity .4s; }
  #topo .cluster-frame.down .frame { stroke-dasharray: 5 4; opacity: .5; }
  #topo .fchip rect { fill: var(--panel); stroke-width: 1.2; }
  #topo .fchip text { font-size: 10.5px; letter-spacing: .3px; font-weight: 600; }
  #topo .fchip .cdot { fill: var(--led-off); }
  #topo .fchip .cdot.on { fill: var(--led-on); }
  #topo .legend text { font-size: 10.5px; fill: var(--muted); }
</style>
</head>
<body>
<header>
  <h1>sm121</h1>
  <div id="maxinfo" hidden><span>⛶</span><span class="maxtitle" id="max-title"></span>
    <button class="wbtn" id="max-restore" title="restore window size">❐</button>
    <button class="wbtn" id="max-min" title="minimize">–</button>
    <button class="wbtn" id="max-close" title="close">×</button></div>
  <div class="spacer"></div>
  <button class="tbtn" id="winmenu" title="all open windows (switch without losing maximize state)">▦</button>
  <div class="ssec" id="sse"><span class="dot"></span><span id="sse-t">connecting…</span></div>
  <button class="tbtn" id="theme">◐</button>
</header>
<div id="winlayer"></div>
<div id="dock"></div>
<div class="dlg-back" id="dlg" hidden>
  <div class="dlg">
    <h3 id="dlg-title"></h3>
    <div class="body" id="dlg-body"></div>
    <div class="row">
      <button class="tbtn" id="dlg-cancel">Cancel</button>
      <button class="abtn" id="dlg-ok">Confirm</button>
    </div>
  </div>
</div>
<script>
"use strict";
// Auth: the server may gate data endpoints with `--token` (required off
// loopback). The token travels as `?token=...` (SSE EventSource cannot set
// headers) — a one-shot URL param is promoted to localStorage, and every
// data URL is wrapped with auth(). The /recipes iframe is same-origin, so
// the embedded report page reads the same localStorage.
const TOKEN = (() => {
  const q = new URLSearchParams(location.search).get("token");
  if (q) localStorage.setItem("sm121token", q);
  return localStorage.getItem("sm121token") || "";
})();
const auth = (p) => TOKEN ? p + (p.includes("?") ? "&" : "?") + "token=" + encodeURIComponent(TOKEN) : p;
function showTokenPrompt() {
  const d = document.createElement("div");
  d.style.cssText = "position:fixed;inset:0;z-index:100;background:var(--shade);display:flex;align-items:center;justify-content:center";
  const card = document.createElement("div");
  card.style.cssText = "background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:24px;max-width:360px";
  card.innerHTML = "<h3 style='margin:0 0 8px'>Dashboard token</h3>" +
    "<p style='color:var(--muted);font-size:13px'>Data endpoints require the token passed to <code>sm121 web --token</code>. It is kept in this browser only (localStorage).</p>" +
    "<input id='tok' type='password' placeholder='token' autocomplete='off' style='width:100%;box-sizing:border-box;padding:8px;background:var(--bg);color:var(--fg);border:1px solid var(--border);border-radius:6px'>";
  const btn = document.createElement("button");
  btn.textContent = "Connect";
  btn.style.cssText = "margin-top:10px;padding:8px 16px;background:var(--accent);color:#fff;border:0;border-radius:6px;cursor:pointer";
  const apply = () => { const v = document.getElementById("tok").value.trim(); if (v) { localStorage.setItem("sm121token", v); location.reload(); } };
  btn.onclick = apply;
  card.querySelector("input").addEventListener("keydown", (e) => { if (e.key === "Enter") apply(); });
  card.appendChild(btn);
  d.appendChild(card);
  document.body.appendChild(d);
  document.getElementById("tok").focus();
}
const $ = (s) => document.querySelector(s);
const esc = (s) => String(s ?? "").replace(/[&<>"']/g, (c) => ({"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#39;"}[c]));
const state = { snap: null, jobs: new Map(), recipes: [], active: localStorage.getItem("sm121-active") || "", panel: null, shown: new Set(), flags: {} };

/*FLAGS-LT:START*/
// Pure: build the POST /api/serve body from cluster + recipe + dry + the
// per-cluster flags state. Absent keys are omitted (server defaults win):
// fit "" = bare --fit (whole cluster), mirror "" = bare --mirror (default
// path); a non-empty path wins over the bare checkbox.
function serveBody(cluster, recipe, dry, f) {
  const body = { cluster, recipe, dry_run: !!dry };
  if (f.node) body.node = f.node;
  if (f.solo) body.solo = true;
  if (f.force) body.force = true;
  if (f.clear) body.clear = true;
  if (f.keep) body.keep = true;
  const fit = String(f.fit || "").trim();
  if (fit) body.fit = fit;
  else if (f.fitAll) body.fit = "";
  const mir = String(f.mirror || "").trim();
  if (mir) body.mirror = mir;
  else if (f.mirrorAll) body.mirror = "";
  return body;
}
function flagsOf(cluster) {
  return (state.flags[cluster] = state.flags[cluster] || { node: "", solo: false, force: false, clear: false, keep: false, fit: "", fitAll: false, mirror: "", mirrorAll: false });
}
/*FLAGS-LT:END*/

/*SNAP-LT:START*/
// Pure: same fleet + jobs? (`ts` changes on every probe, so it is
// excluded). Used to skip DOM rebuilds when nothing changed — no blink.
// (log-attaches are intentionally excluded: they change out-of-band and are
// tracked in their own windows, not the cluster board)
function sameSnapshot(a, b) {
  return JSON.stringify({ c: a.clusters, j: a.jobs }) === JSON.stringify({ c: b.clusters, j: b.jobs });
}
/*SNAP-LT:END*/

// --- theme ---------------------------------------------------------------
const root = document.documentElement;
root.dataset.theme = localStorage.getItem("sm121-theme") || (matchMedia("(prefers-color-scheme: light)").matches ? "light" : "dark");
$("#max-restore").onclick = () => maxedHandle?.unmaximize();
$("#max-min").onclick = () => maxedHandle?.minimize();
$("#max-close").onclick = () => maxedHandle?.close();
$("#theme").onclick = () => {
  root.dataset.theme = root.dataset.theme === "dark" ? "light" : "dark";
  localStorage.setItem("sm121-theme", root.dataset.theme);
};

// --- window manager ------------------------------------------------------
// Vanilla win manager: absolute windows, drag by titlebar, corner resize,
// minimize/close to the dock (chip to restore), click-to-front z-order.
let ztop = 20;
const wins = {};      // named windows: { topo, state, jobs }
// every window ever created (named, logs, raw, recipes) — the dock lists
// minimized ones from here, so a window can't be minimized into nowhere
const winRegistry = new Set();
const logWins = new Map(); // attach_id -> { win, pre, buf, paused, ... }
const front = (el) => { el.style.zIndex = ++ztop; };

// Multiple windows can be maximized at once — each keeps its own state —
// but only one is shown: the rest stay maximized and merely hidden, and
// the header switcher (▦) moves between them without losing anything.
let maxedHandle = null; // the maximized window currently on screen
function showMaxTitle(h) {
  if (maxedHandle && maxedHandle !== h) maxedHandle.win.style.display = "none";
  maxedHandle = h;
  h.win.style.display = "";
  front(h.win);
  $("#max-title").textContent = h.title;
  $("#maxinfo").hidden = false;
}
function hideMaxTitle(h) {
  if (maxedHandle !== h) return;
  maxedHandle = null;
  // a still-maximized window behind this one comes to the front of the
  // maximized stack — the layer never goes back to bare
  const others = [...winRegistry].filter(
    (x) => x !== h && x.isMaximized() && !x.isClosed() && x.win.isConnected,
  );
  if (others.length) showMaxTitle(others[others.length - 1]);
  else $("#maxinfo").hidden = true;
}

// Bring any open window forward: un-minimize if needed, and if it is
// maximized, make it the one shown (hiding the other maximized ones).
function activateWindow(h) {
  if (h.isMinimized()) h.restore();
  if (h.isMaximized()) {
    for (const o of winRegistry)
      if (o !== h && o.isMaximized() && !o.isClosed() && o.win.isConnected) o.win.style.display = "none";
    h.win.style.display = "";
    showMaxTitle(h);
  } else front(h.win);
  saveWinState();
}
let winMenuEl = null;
function toggleWinMenu() {
  if (winMenuEl) { winMenuEl.remove(); winMenuEl = null; return; }
  const m = document.createElement("div");
  m.className = "winmenu";
  const open = [...winRegistry].filter((h) => !h.isClosed() && h.win.isConnected);
  const glyph = (h) => (h.isMaximized() ? "⛶ " : h.isMinimized() ? "– " : "▪ ");
  for (const h of open) {
    const b = document.createElement("button");
    b.className = "dock-chip" + (h === maxedHandle ? " wmax-on" : "");
    b.textContent = glyph(h) + h.label;
    b.title = (h.isMaximized() ? "maximized" : h.isMinimized() ? "minimized" : "floating") + " — click to show";
    b.onclick = () => { winMenuEl.remove(); winMenuEl = null; activateWindow(h); };
    m.appendChild(b);
  }
  document.body.appendChild(m);
  winMenuEl = m;
  setTimeout(() => addEventListener("click", () => { m.remove(); winMenuEl = null; }, { once: true }), 0);
}
$("#winmenu").onclick = (e) => { e.stopPropagation(); toggleWinMenu(); };

// --- window layout persistence -------------------------------------------
// The dashboard has no session: geometry, minimized/closed/maximized and
// which optional windows are open are kept in localStorage and restored on
// load (log windows come back from the server's attach registry instead).
const WS_KEY = "sm121-wins";
let restoring = false; // don't write half-restored state back
function readWinState() {
  try { return JSON.parse(localStorage.getItem(WS_KEY) || "{}"); } catch { return {}; }
}
function saveWinState() {
  if (restoring) return;
  const st = {};
  const put = (k, h) => {
    st[k] = { ...h.geometry(), min: h.isMinimized(), closed: h.isClosed(), max: h.isMaximized() };
  };
  for (const [k, h] of Object.entries(wins)) put(k, h);
  if (recipesWin) put("recipes", recipesWin);
  if (rawWin) put("raw", rawWin);
  try { localStorage.setItem(WS_KEY, JSON.stringify(st)); } catch { /* private mode */ }
}
// Re-open an optional window (recipes/raw) exactly as it was left.
function restoreWindow(key, open) {
  const st = readWinState()[key];
  if (!st || st.closed) return;
  Promise.resolve(open(st)).then((h) => {
    if (st.max) h.maximize();
    else if (st.min) h.minimize();
  });
}

// Windows keep px geometry, so a shrinking layer (dock appears, browser
// resize) would push their bottom edge out of view — clamp them back in.
function fitToLayer() {
  const layer = $("#winlayer");
  const W = layer.clientWidth, H = layer.clientHeight;
  for (const h of winRegistry) {
    const w = h.win;
    if (!w.isConnected || w.classList.contains("max")) continue;
    const left = parseFloat(w.style.left) || 0, top = parseFloat(w.style.top) || 0;
    if (left + w.offsetWidth > W) w.style.width = Math.max(240, W - left) + "px";
    if (top + w.offsetHeight > H) {
      if (top > H - 120) w.style.top = Math.max(0, H - 200) + "px";
      w.style.height = Math.max(140, H - (parseFloat(w.style.top) || 0)) + "px";
    }
  }
}

function makeWin({ id, title, short, x, y, w, h, bodyHtml, onClosed, extraCls, removeOnClose }) {
  const win = document.createElement("section");
  win.className = "win" + (extraCls ? " " + extraCls : "");
  if (id) win.id = id;
  win.style.cssText = `left:${x}px;top:${y}px;width:${w}px;height:${h}px;z-index:${++ztop}`;
  const bar = document.createElement("div");
  bar.className = "win-bar";
  bar.innerHTML = `<span class="wtitle">${esc(title)}</span>
    <button class="wbtn" data-act="max" title="maximize">▢</button>
    <button class="wbtn" data-act="min" title="minimize">–</button>
    <button class="wbtn" data-act="close" title="close">×</button>`;
  const body = document.createElement("div");
  body.className = "win-body";
  body.innerHTML = bodyHtml;
  const rz = document.createElement("div");
  rz.className = "win-resize";
  win.append(bar, body, rz);
  $("#winlayer").appendChild(win);
  const closed = { value: false };
  const doMin = () => {
    // minimize keeps the maximize state: a maximized window minimized goes
    // to the maximized stack (▦ switcher) and comes back full-screen
    win.style.display = "none";
    if (maxedHandle === handle) hideMaxTitle(handle);
    renderDock();
    saveWinState();
  };
  bar.querySelector('[data-act="min"]').onclick = doMin;
  // maximize = drop the frame and fill the window layer (the dock is a
  // sibling below it, so it stays usable); the title moves to the header
  const maxBtn = bar.querySelector('[data-act="max"]');
  let geom = null;
  const unmax = () => {
    if (!geom) return;
    win.classList.remove("max");
    Object.assign(win.style, geom);
    geom = null;
    maxBtn.textContent = "▢";
    maxBtn.title = "maximize";
    hideMaxTitle(handle);
    saveWinState();
  };
  maxBtn.onclick = () => {
    front(win);
    if (geom) { unmax(); return; }
    geom = { left: win.style.left, top: win.style.top, width: win.style.width, height: win.style.height };
    win.classList.add("max");
    win.style.left = "0px";
    win.style.top = "0px";
    win.style.width = "100%";
    win.style.height = "100%";
    maxBtn.textContent = "❐";
    maxBtn.title = "restore size";
    showMaxTitle(handle);
    saveWinState();
  };
  const doClose = () => {
    closed.value = true;
    hideMaxTitle(handle);
    if (removeOnClose) {
      // log/recipes/raw: gone for good (reopened from the ＋ menu)
      win.remove();
      winRegistry.delete(handle);
    } else {
      // named windows stay addressable: the dock offers a ＋ chip
      win.style.display = "none";
    }
    renderDock();
    saveWinState();
    if (onClosed) onClosed();
  };
  bar.querySelector('[data-act="close"]').onclick = doClose;
  bar.addEventListener("pointerdown", (e) => {
    if (e.target.closest(".wbtn") || win.classList.contains("max")) return;
    front(win);
    const ox = win.offsetLeft, oy = win.offsetTop; // baseline — read ONCE
    drag(
      e.clientX,
      e.clientY,
      (dx, dy) => {
        win.style.left = Math.max(0, ox + dx) + "px";
        win.style.top = Math.max(0, oy + dy) + "px";
      },
      saveWinState,
    );
  });
  rz.addEventListener("pointerdown", (e) => {
    e.stopPropagation();
    front(win);
    const ow = win.offsetWidth, oh = win.offsetHeight; // baseline — read ONCE
    drag(
      e.clientX,
      e.clientY,
      (dx, dy) => {
        win.style.width = Math.max(240, ow + dx) + "px";
        win.style.height = Math.max(140, oh + dy) + "px";
      },
      saveWinState,
    );
  });
  win.addEventListener("pointerdown", () => front(win));
  const handle = {
    win, body, title,
    label: short || title,
    unmaximize: unmax,
    minimize: doMin,
    close: doClose,
    maximize: () => maxBtn.onclick(),
    isMaximized: () => !!geom,
    setGeometry(g) {
      if (!g) return;
      const px = (v, d) => (Number.isFinite(parseFloat(v)) ? parseFloat(v) : d);
      win.style.left = Math.max(0, px(g.left, 0)) + "px";
      win.style.top = Math.max(0, px(g.top, 0)) + "px";
      win.style.width = Math.max(240, px(g.width, 600)) + "px";
      win.style.height = Math.max(140, px(g.height, 400)) + "px";
    },
    // the normal (un-maximized) rect — that is what gets persisted
    geometry: () => {
      const g = geom || { left: win.style.left, top: win.style.top, width: win.style.width, height: win.style.height };
      return { left: g.left, top: g.top, width: g.width, height: g.height };
    },
    restore() { win.style.display = ""; closed.value = false; front(win); renderDock(); },
    // a hidden maximized window is display:none but NOT minimized — it
    // waits in the maximized stack, reachable from the ▦ switcher
    isMinimized: () => win.style.display === "none" && !geom,
    isClosed: () => closed.value,
  };
  winRegistry.add(handle);
  return handle;
}

function drag(sx, sy, move, done) {
  const st = { x: sx, y: sy };
  const mv = (e) => move(e.clientX - st.x, e.clientY - st.y);
  const up = () => {
    removeEventListener("pointermove", mv);
    removeEventListener("pointerup", up);
    if (done) done();
  };
  addEventListener("pointermove", mv);
  addEventListener("pointerup", up);
}

function renderDock() {
  const dock = $("#dock");
  dock.innerHTML = "";
  const chip = (label, fn) => {
    const b = document.createElement("button");
    b.className = "dock-chip";
    b.textContent = label;
    b.onclick = fn;
    dock.appendChild(b);
  };
  const min = [...winRegistry].filter((h) => h.isMinimized() && h.win.isConnected);
  // "– " = minimized (still open), "＋ " = closed (bring it back)
  for (const h of min) chip((h.isClosed() ? "＋ " : "– ") + h.label, h.restore);
  if (!min.length && !rawWin) chip("＋ raw config / recipe / effective", openRaw);
  // New-window menu (plan): State / Logs / Jobs / Raw.
  const plus = document.createElement("button");
  plus.className = "dock-chip plus";
  plus.textContent = "＋";
  plus.title = "new window";
  plus.onclick = (e) => { e.stopPropagation(); toggleDockMenu(); };
  dock.appendChild(plus);
  fitToLayer(); // the dock just appeared/disappeared → the layer resized
}
let dockMenuEl = null;
function closeDockMenu() { if (dockMenuEl) { dockMenuEl.remove(); dockMenuEl = null; } }
function toggleDockMenu() {
  if (dockMenuEl) { closeDockMenu(); return; }
  const m = document.createElement("div");
  m.className = "dockmenu";
  const item = (label, fn) => {
    const b = document.createElement("button");
    b.className = "dock-chip";
    b.textContent = label;
    b.onclick = () => { closeDockMenu(); fn(); };
    m.appendChild(b);
  };
  item("topo", () => activateWindow(wins.topo));
  item("state", () => activateWindow(wins.state));
  item("jobs", () => activateWindow(wins.jobs));
  item("recipes", openRecipes);
  item("logs…", openLogsPicker);
  item("raw", openRaw);
  document.body.appendChild(m);
  dockMenuEl = m;
  setTimeout(() => addEventListener("click", closeDockMenu, { once: true }), 0);
}

// Open a logs window from the dock: pick a node (★ = running containers).
function openLogsPicker() {
  const snap = state.snap;
  const body = document.createElement("div");
  body.className = "body";
  const sel = document.createElement("select");
  sel.style.cssText = "width:100%;margin:8px 0;padding:6px;background:var(--btn);color:var(--fg);border:1px solid var(--border);border-radius:6px;";
  if (snap) for (const c of snap.clusters) for (const n of c.nodes) {
    const o = document.createElement("option");
    o.value = c.name + "|" + n.name;
    o.textContent = (n.containers.length ? "★ " : "") + c.name + " / " + n.name + (n.containers.length ? " (" + n.containers.length + ")" : "");
    sel.appendChild(o);
  }
  body.innerHTML = `Open a logs window for a node (★ = has sm121 containers).`;
  body.appendChild(sel);
  openDialogHtml("open logs", body, () => {
    const i = sel.value.indexOf("|");
    openLog(sel.value.slice(0, i), sel.value.slice(i + 1));
  });
}

// --- SSE -------------------------------------------------------------------
function sse(cls, txt) { $("#sse").className = "ssec " + cls; $("#sse-t").textContent = txt; }
/*SSE-LT:START*/
function connectSSE() {
  // the fleet polls every 30s, so a working stream is never silent for
  // long (plus 15s server keepalive comments). If it IS silent, the chip
  // is lying — rebuild the stream instead of trusting "open".
  const POLL_MS = 30000, STALE_MS = 3 * POLL_MS + 5000;
  let es = null, last = Date.now();
  const bounce = (txt) => {
    if (es) es.close();
    sse("re", txt);
    es = new EventSource(auth("/events"));
    // connection is up and a snapshot is already on its way — don't sit on
    // "connecting…" for a whole poll interval
    es.onopen = () => { last = Date.now(); sse("ok", "live"); };
    es.onmessage = (e) => {
      last = Date.now();
      sse("ok", "live");
      let ev;
      try { ev = JSON.parse(e.data); } catch { return; }
      if (ev.type === "state") onState(ev.snapshot);
      else if (ev.type === "job") onJob(ev);
      else if (ev.type === "log") onLog(ev);
    };
    es.onerror = () => {
      sse("re", "reconnecting…");
      // readyState CLOSED = EventSource gave up for good — only a fresh
      // object reconnects (the server replays the snapshot, so it heals
      // without a manual page reload)
      if (es.readyState === 2) setTimeout(() => bounce("reconnecting…"), 1000);
    };
  };
  bounce("connecting…");
  setInterval(() => {
    if (document.visibilityState === "visible" && Date.now() - last > STALE_MS) bounce("resyncing…");
  }, POLL_MS);
  // back from a frozen/sleeping tab or a network hop: check immediately
  document.addEventListener("visibilitychange", () => {
    if (document.visibilityState === "visible" && Date.now() - last > 40000) bounce("resyncing…");
  });
  addEventListener("online", () => bounce("reconnecting…"));
}
/*SSE-LT:END*/

// --- state render ------------------------------------------------------------
function ledState(n) { return n.reachable ? (n.occupied ? "b" : "on") : "off"; }
function meta(n, c) {
  if (!n.reachable) return "offline";
  if (!c.up) return "online — cluster offline";
  if (n.occupied) return n.containers.map((x) => x.status).join(", ");
  return "free";
}
function clusterReason(c) {
  let r = "";
  if (c.up) r = "";
  else if (c.switch_off) r = "switch off";
  else {
    const off = c.nodes.filter((n) => !n.reachable).map((n) => n.name);
    r = off.length + " node" + (off.length === 1 ? "" : "s") + " offline" + (off.length ? " (" + off.join(", ") + ")" : "");
  }
  if (c.soft_off && c.soft_off.length) r = (r ? r + " · " : "") + "⚙ " + c.soft_off.join(", ") + " off";
  return r;
}
function renderCluster(c, prev, animate) {
  const el = document.createElement("div");
  el.className = "cluster" + (animate ? " anim" : "");
  const head = document.createElement("div");
  head.className = "cluster-head";
  if (c.up) {
    const soft = c.soft_off && c.soft_off.length ? `<span class="soft" title="non-blocking entity off">⚙ ${esc(c.soft_off.join(", "))} off</span>` : "";
    head.innerHTML = `<b>${esc(c.name)}</b><span class="free">${c.free} free</span>${soft}`;
  } else {
    head.innerHTML = `<b>${esc(c.name)}</b><span class="down">⏻ offline — ${esc(clusterReason(c))}</span>`;
  }
  el.appendChild(head);
  const prevNodes = prev ? Object.fromEntries(prev.nodes.map((n) => [n.name, n])) : {};
  for (const n of c.nodes) {
    const row = document.createElement("div");
    row.className = "node";
    row.title = "open logs for " + n.name;
    const cls = ledState(n);
    const flip = prevNodes[n.name] && ledState(prevNodes[n.name]) !== cls ? " flip" : "";
    row.innerHTML = `<span class="led ${cls}${flip}"></span>
      <span class="nname">${esc(n.name)}</span>
      <span class="nmeta" title="${esc(n.ssh_ip)}">${esc(meta(n, c))}</span>
      <button class="abtn logsbtn" title="open logs for ${esc(n.name)}">▤ logs</button>`;
    row.querySelector(".logsbtn").onclick = (e) => { e.stopPropagation(); openLog(c.name, n.name); };
    row.onclick = () => openLog(c.name, n.name);
    el.appendChild(row);
    if (n.occupied && n.containers.length) {
      const box = document.createElement("div");
      box.className = "containers";
      for (const x of n.containers) {
        const crow = document.createElement("div");
        crow.className = "crow";
        const dead = /exited|dead/i.test(x.status);
        crow.innerHTML = `<span class="cled${dead ? " exited" : ""}"></span><span class="cname">${esc(x.name)}</span><span>${esc(x.recipe)} · ${esc(x.status)}</span>`;
        box.appendChild(crow);
      }
      el.appendChild(box);
    }
  }
  el.appendChild(actionBar(c, prevNodes));
  return el;
}
function actionBar(c, prevNodes) {
  const bar = document.createElement("div");
  bar.className = "actions";
  if (!c.up) {
    // Down cluster: serve/stop are meaningless — only power actions apply.
    bar.appendChild(abtn("power-" + c.name, "power on", () => doPower("on", c.name), ""));
    bar.appendChild(abtn("pwswitch-" + c.name, "switch", () => doPower("switch", c.name), ""));
    return bar;
  }
  const sel = document.createElement("select");
  sel.id = "recipe-" + c.name;
  if (!state.recipes.length) {
    sel.innerHTML = "<option value=''></option>";
  } else {
    for (const r of state.recipes) {
      const o = document.createElement("option");
      o.value = r.name;
      o.textContent = r.name + (r.deploy === "tmux" ? " (tmux)" : "");
      sel.appendChild(o);
    }
  }
  bar.appendChild(sel);
  const dry = document.createElement("label");
  dry.innerHTML = `<input type="checkbox" id="dry-${esc(c.name)}"> dry-run`;
  bar.appendChild(dry);
  // Serve flags (CLI parity): solo / force / clear / keep / fit / mirror / node.
  // Values persist in state.flags across re-renders.
  const f = flagsOf(c.name);
  const nodeSel = document.createElement("select");
  nodeSel.className = "fnode";
  nodeSel.title = "target node (default: cluster selection)";
  nodeSel.innerHTML = `<option value=''>node: auto</option>` + c.nodes.map((n) => `<option value='${esc(n.name)}'>${esc(n.name)}</option>`).join("");
  nodeSel.value = f.node || "";
  nodeSel.onchange = () => { f.node = nodeSel.value; };
  const det = document.createElement("details");
  det.className = "flags";
  det.innerHTML = `<summary title="solo · force · fit · clear · mirror · keep (keep containers after stop)">⚙ flags</summary>
    <div class="flags-in">
      <label><input type="checkbox" id="fsolo-${esc(c.name)}"> solo</label>
      <label><input type="checkbox" id="fforce-${esc(c.name)}"> force</label>
      <label><input type="checkbox" id="fclear-${esc(c.name)}" title="clear cgroup memory limits (sudo) on launch nodes"> clear</label>
      <label><input type="checkbox" id="fkeep-${esc(c.name)}" title="keep containers after stop"> keep</label>
      <label title="scale TP to N nodes / whole cluster">fit <input type="checkbox" id="ffitb-${esc(c.name)}" title="bare --fit: whole cluster">all <input type="text" id="ffit-${esc(c.name)}" placeholder="N" size="3"></label>
      <label title="per-node HF mirror">mirror <input type="checkbox" id="fmirr-${esc(c.name)}" title="bare --mirror: ~/.cache/hf-models">~ <input type="text" id="fmirror-${esc(c.name)}" placeholder="~/.cache/hf-models" size="18"></label>
    </div>`;
  const wire = (id, key, isText) => {
    const el = det.querySelector("#" + id);
    if (isText) { el.value = f[key] || ""; el.oninput = () => { f[key] = el.value; }; }
    else { el.checked = !!f[key]; el.onchange = () => { f[key] = el.checked; }; }
  };
  wire("fsolo-" + c.name, "solo");
  wire("fforce-" + c.name, "force");
  wire("fclear-" + c.name, "clear");
  wire("fkeep-" + c.name, "keep");
  wire("ffitb-" + c.name, "fitAll");
  wire("ffit-" + c.name, "fit", true);
  wire("fmirr-" + c.name, "mirrorAll");
  wire("fmirror-" + c.name, "mirror", true);
  bar.appendChild(det);
  bar.appendChild(nodeSel);
  bar.appendChild(abtn("serve-" + c.name, "serve", () => doServe(c.name)));
  bar.appendChild(abtn("stop-" + c.name, "stop", () => doStop(c.name), "danger"));
  bar.appendChild(abtn("power-" + c.name, "power off", () => doPower("off", c.name), "danger"));
  bar.appendChild(abtn("pwswitch-" + c.name, "switch", () => doPower("switch", c.name), ""));
  return bar;
}
function abtn(id, label, fn, cls) {
  const b = document.createElement("button");
  b.className = "abtn " + (cls || "");
  b.id = id;
  b.textContent = label;
  b.onclick = fn;
  return b;
}
function onState(snap, force) {
  const prev = state.snap;
  updateLogNotes(snap); // runs even on no-churn ticks (attaches change out-of-band)
  if (!force && prev && sameSnapshot(prev, snap)) {
    state.snap = snap; // adopt the fresh attaches state; no DOM churn
    return; // nothing else changed — no rebuild
  }
  state.snap = snap;
  state.jobs = new Map(snap.jobs.map((j) => [j.id, j]));
  renderTopo(snap);
  if (!snap.clusters.find((c) => c.name === state.active)) {
    state.active = snap.clusters[0] ? snap.clusters[0].name : "";
  }
  // control state must survive the rebuild (recipe pick, dry-run tick)
  const activeName = state.active;
  const keepRecipe = recipeOf(activeName);
  const keepDry = dryOf(activeName);
  const animate = state.panel !== activeName; // first paint or cluster switch
  state.panel = activeName;
  const box = $("#clusters");
  box.innerHTML = "";
  const active = snap.clusters.find((c) => c.name === activeName);
  if (active) {
    box.appendChild(renderCluster(active, prev ? prev.clusters.find((p) => p.name === activeName) : null, animate));
  }
  restoreControls(activeName, keepRecipe, keepDry);
  // compact fleet strip: one chip per cluster, click to make it active
  const strip = document.createElement("div");
  strip.className = "strip";
  for (const c of snap.clusters) {
    const chip = document.createElement("div");
    chip.className = "chip" + (c.name === state.active ? " active" : "");
    const dot = c.up ? (c.free > 0 ? "on" : "b") : "off";
    const m = c.up ? c.free + " free" : "⏻ OFF";
    chip.title = clusterReason(c);
    chip.innerHTML = `<span class="led ${dot}"></span>${esc(c.name)}<span class="m">${m}</span>`;
    chip.onclick = () => { state.active = c.name; localStorage.setItem("sm121-active", c.name); onState(state.snap, true); };
    strip.appendChild(chip);
  }
  box.appendChild(strip);
  renderJobs();
}
function restoreControls(name, recipe, dry) {
  if (!name) return;
  const d = document.getElementById("dry-" + name);
  if (d && dry) d.checked = true;
  const sel = document.getElementById("recipe-" + name);
  if (sel && recipe) {
    for (const o of sel.options) if (o.value === recipe) { sel.value = recipe; break; }
  }
}

// --- topology map -------------------------------------------------------------
// The physical layer behind the windows: 8 GX10 boxes on a 2×4 grid, the
// 200G fabric switch and the passive 10G switch in the middle corridor,
// DAC direct links, HA glyphs (fan) and cluster frames. The structure is
// rebuilt only when the topo signature changes (config edit); state ticks
// just flip classes so flow/pulse/spin animations keep running.
const TG_W = 1060, TG_H = 540;
const tgPos = (i) => {
  const cx = 20 + (i % 4) * 255;
  return { x: cx + 37, y: i < 4 ? 74 : 386, w: 180, h: 104, dcx: cx + 127 };
};
const tgSlot = (n) => {
  const m = String(n).match(/\d+/);
  return m ? +m[0] : 999;
};
const tgIdx = (t, name) => t.nodes.findIndex((n) => n === name);
// cluster identity colors — green/red stay reserved for up/down state
const TG_HUES = ["#58a6ff", "#a371f7", "#f778ba", "#f0883e", "#39c5cf", "#e3b341", "#ff7b72", "#79c0ff", "#d2a8ff", "#ffa657"];
const hueOf = (name) => {
  let h = 0;
  for (const c of String(name)) h = (h * 31 + c.charCodeAt(0)) >>> 0;
  return TG_HUES[h % TG_HUES.length];
};

function topoSig(t) {
  return t.nodes.join(",") + "|" + t.links.map((l) => l.kind + l.a + ">" + l.b).join(",")
    + "|" + t.switches.map((s) => s.entity).join(",");
}

function tgCablePath(l, t) {
  const bi = tgIdx(t, l.b);
  if (bi < 0) return "";
  const b = tgPos(bi);
  if (l.kind === "10g") {
    const px = 396 + bi * 38;
    if (bi < 4) { // row0: device bottom → 10G switch top
      const ex = b.dcx + 40, ey = b.y + b.h;
      return `M ${ex} ${ey} C ${ex} ${ey + 26} ${px} ${ey + 6} ${px} 210`;
    }
    return `M ${b.dcx} ${b.y} C ${b.dcx} ${b.y - 50} ${px} ${b.y - 80} ${px} 266`;
  }
  if (l.kind === "200g") {
    const fi = t.links.filter((x) => x.kind === "200g").findIndex((x) => x.b === l.b);
    const px = 396 + (fi % 4) * 80;
    if (bi < 4) { // row0: device bottom → fabric switch top
      const ex = b.dcx - 40, ey = b.y + b.h;
      return `M ${ex} ${ey} C ${ex} ${ey + 76} ${px} ${ey + 66} ${px} 290`;
    }
    // row1: device top → fabric switch bottom — an S-curve inside the 40px
    // corridor (switch bottom 346 .. device top 386) so the last approach
    // to the port is vertical, not a slide in from the side
    const ex = b.dcx - 40, ey = b.y;
    return `M ${ex} ${ey} C ${ex} 363 ${px} 363 ${px} 346`;
  }
  // dac: arc between adjacent device tops
  const ai = tgIdx(t, l.a);
  if (ai < 0) return "";
  const a = tgPos(ai);
  const mx = (a.x + a.w + b.x) / 2;
  return `M ${a.x + a.w - 4} ${a.y + 14} C ${mx} ${a.y - 22} ${mx} ${a.y - 22} ${b.x + 4} ${b.y + 14}`;
}

function devSvg(name, i) {
  const d = tgPos(i);
  return `<g class="dev" data-dev="${esc(name)}" transform="translate(${d.x},${d.y})">
    <title>${esc(name)}</title>
    <rect class="body" width="${d.w}" height="${d.h}" rx="10"/>
    <rect class="top" x="4" y="3" width="${d.w - 8}" height="7" rx="3.5"/>
    <rect class="vent" x="14" y="24" width="5" height="24" rx="2.5"/>
    <rect class="vent" x="23" y="24" width="5" height="24" rx="2.5"/>
    <rect class="vent" x="32" y="24" width="5" height="24" rx="2.5"/>
    <rect class="ctr" x="122" y="18" width="52" height="15" rx="7.5"/>
    <text class="ctrt" x="148" y="29" text-anchor="middle">…</text>
    <rect class="plate" x="1" y="62" width="${d.w - 2}" height="41" rx="8"/>
    <text class="nm" x="12" y="79">${esc(name)}</text>
    <text class="ip" x="12" y="94">…</text>
    <circle class="pled" cx="166" cy="74" r="4"/>
  </g>`;
}

function swSvg(sw, entries) {
  const label = sw.kind === "lan" ? "10G switch"
    : sw.entity.includes(".") ? sw.entity.split(".")[1] : sw.entity;
  const ib = sw.kind === "ib";
  const y = ib ? 290 : 210;
  const sub = ib ? "200G fabric · HA" : "passive · no HA";
  const step = ib ? 80 : 38;
  // ib ports sit 4+4 across two edges (the box fits 4 per edge at step 80);
  // lan ports keep the continuous index (step 38 fits 8 across 2 rows)
  const rows = entries.map((p) => { const col = ib ? p.i % 4 : p.i; return `<rect class="port" data-${ib ? "fab" : "lan"}port="${esc(p.name)}"
    x="${396 + col * step - 7}" y="${p.top ? y + 2 : y + 49}" width="14" height="7" rx="2"/>`; }).join("");
  return `<g class="sw ${sw.kind}" data-sw="${esc(sw.entity)}" transform="translate(0,0)">
    <title>${esc(sw.entity)}</title>
    <rect class="swbox" x="370" y="${y}" width="320" height="56" rx="8"/>
    ${rows}
    <text x="386" y="${y + 32}">${esc(label)}</text>
    <text class="sub" x="386" y="${y + 46}">${sub}</text>
    ${ib ? '<circle class="pled swled" cx="672" cy="' + (y + 40) + '" r="4"/>' : ""}
  </g>`;
}

function fanSvg(sw) {
  return `<g class="fan" data-sw="${esc(sw.entity)}">
    <title>${esc(sw.entity)}</title>
    <circle class="fbody" cx="770" cy="318" r="26"/>
    <g class="blades">
      <path class="blade" d="M770 294 C 781 298 783 310 775 316 L 770 318 Z"/>
      <path class="blade" d="M770 294 C 781 298 783 310 775 316 L 770 318 Z" transform="rotate(120 770 318)"/>
      <path class="blade" d="M770 294 C 781 298 783 310 775 316 L 770 318 Z" transform="rotate(240 770 318)"/>
      <circle class="hub" cx="770" cy="318" r="5"/>
    </g>
    <text class="sub" x="770" y="362" text-anchor="middle">${esc(sw.entity.split(".")[1] || sw.entity)}</text>
  </g>`;
}

function topoFrames(snap) {
  const t = snap.topo;
  // clusters with identical node sets share one frame (several chips on
  // it) — no doubled rectangles, no mutual-containment depth inflation
  const seen = new Map();
  const groups = [];
  for (const c of snap.clusters) {
    const key = c.nodes.map((n) => n.name).sort().join("|");
    if (seen.has(key)) seen.get(key).clusters.push(c);
    else {
      const g = { clusters: [c], nodes: c.nodes.map((n) => n.name) };
      seen.set(key, g);
      groups.push(g);
    }
  }
  const contains = (a, b) => b.nodes.every((n) => a.nodes.includes(n));
  const depthOf = (x) => groups.filter((o) => o !== x && contains(o, x)).length;
  // pads grow with cluster rank in its region: the outermost (most
  // containing) cluster sits furthest out on BOTH edges, so label chips
  // land on separate "floors" and frame edges never stack into one line;
  // inner frames hug their nodes
  const pad = (g) => {
    const d = depthOf(g);
    const region = groups.filter((o) => o.nodes.some((n) => g.nodes.includes(n)));
    const rmax = Math.max(...region.map(depthOf));
    return { x: 14 + 10 * (rmax - d), top: 12 + 18 * (rmax - d), bottom: 12 + 5 * (rmax - d) };
  };
  const rects = [];
  for (const g of groups) {
    const ps = g.nodes.map((n) => tgPos(tgIdx(t, n))).filter(Boolean);
    if (!ps.length) continue;
    const p = pad(g);
    const x = Math.min(...ps.map((q) => q.x)) - p.x;
    const y = Math.min(...ps.map((q) => q.y)) - p.top;
    const w = Math.max(...ps.map((q) => q.x + q.w)) + p.x - x;
    const h = Math.max(...ps.map((q) => q.y + q.h)) + p.bottom - y;
    rects.push({ g, x, y, w, h, area: w * h });
  }
  rects.sort((a, b) => b.area - a.area); // big frames behind, nested on top
  // a chip never shares its hue with a frame that contains its frame
  // (containers sort first — bigger area — so their hues are final)
  for (const r of rects) {
    const containers = rects.filter((o) => o !== r && o.x <= r.x && o.y <= r.y
      && o.x + o.w >= r.x + r.w && o.y + o.h >= r.y + r.h);
    for (const c of r.g.clusters) {
      let hue = hueOf(c.name);
      while (containers.some((o) => o.hue === hue)) {
        hue = TG_HUES[(TG_HUES.indexOf(hue) + 1) % TG_HUES.length];
      }
      c._hue = hue;
    }
    r.hue = r.g.clusters[0]._hue;
  }
  // chip bands: chips sharing a frame-top floor get x-staggered so labels
  // never overlap (merged frames put several chips on one frame)
  const bands = new Map();
  for (const r of rects) {
    for (const c of r.g.clusters) (bands.get(r.y) ?? bands.set(r.y, []).get(r.y)).push({ r, c });
  }
  for (const band of bands.values()) {
    band.sort((a, b) => a.r.x - b.r.x || a.c.name.localeCompare(b.c.name));
    let cursor = -1e9;
    for (const chip of band) {
      chip.cw = chip.c.name.length * 6.6 + 30;
      chip.x = Math.max(chip.r.x + 12, cursor);
      cursor = chip.x + chip.cw + 6;
    }
  }
  state.topoGroupTitles = {};
  for (const r of rects) {
    state.topoGroupTitles[r.g.clusters[0].name] = r.g.clusters.map((c) => c.name).join(" · ");
  }
  // two layers: frame rects (below cables/devices) and chips (topmost —
  // opaque badges, nothing shows through, always clickable)
  let frames = "", chips = "";
  for (const r of rects) {
    frames += `<g class="cluster-frame" data-cluster="${esc(r.g.clusters[0].name)}">
    <title>${esc(r.g.clusters.map((c) => c.name).join(" · "))}</title>
    <rect class="frame" style="stroke:${r.hue};fill:color-mix(in srgb, ${r.hue} 6%, transparent)"
      x="${r.x}" y="${r.y}" width="${r.w}" height="${r.h}" rx="14"/>
  </g>`;
  }
  for (const r of rects) {
    for (const c of r.g.clusters) {
      const chip = bands.get(r.y).find((x) => x.c === c);
      chips += `<g class="fchip" data-cluster="${esc(c.name)}" transform="translate(${chip.x},${r.y - 8})">
      <title>${esc(c.name)}</title>
      <rect width="${chip.cw}" height="16" rx="8" style="stroke:${c._hue}"/>
      <circle class="cdot" cx="10" cy="8" r="3.5"/>
      <text x="18" y="12" style="fill:${c._hue}">${esc(c.name)}</text>
    </g>`;
    }
  }
  return { frames, chips };
}

function cablesSvg(t, bus) {
  let out = "";
  for (const l of t.links) {
    const p = bus ? tgCablePathBus(l, t) : tgCablePath(l, t);
    if (!p) continue;
    const key = `${l.kind}|${l.a}|${l.b}`;
    out += `<path class="cable c-${l.kind}" d="${p}"/>`;
    out += `<path class="cable c-${l.kind} flow" data-flow="${esc(key)}" d="${p}"/>`;
  }
  if (bus) out += bridgesSvg(t);
  return out;
}

// Bus mode: row-1 (bottom) cables route as right-angle runs along two
// shared lanes — 200g at y=366 (in the 40px corridor under the fabric
// switch), 10g at y=278 (the 24px gap between the two switches). A 10g
// cable whose vertical would cut the fabric switch detours around its
// nearer side. Where a 10g run crosses the 200g lane it hops over it on
// a bridge arc, so crossings read as intentional.
function tgCablePathBus(l, t) {
  const bi = tgIdx(t, l.b);
  if (bi < 0 || bi < 4) return tgCablePath(l, t); // row 0 and DAC unchanged
  const b = tgPos(bi);
  if (l.kind === "200g") {
    const ex = b.dcx - 40;
    const fi = t.links.filter((x) => x.kind === "200g").findIndex((x) => x.b === l.b);
    const px = 396 + (fi % 4) * 80;
    return `M ${ex} 386 L ${ex} 366 L ${px} 366 L ${px} 346`;
  }
  // 10g: up the device side, across the inter-switch gap, down to the port
  const px = 396 + bi * 38;
  const x = b.dcx;
  if (x < 370 || x > 690) return `M ${x} 386 L ${x} 278 L ${px} 278 L ${px} 266`;
  const side = x < 530 ? 350 : 710; // nearest clearance past the fabric box
  return `M ${x} 386 L ${x} 366 L ${side} 366 L ${side} 278 L ${px} 278 L ${px} 266`;
}

// Small semicircle hops where a 10g row-1 vertical crosses the 200g lane.
function bridgesSvg(t) {
  const lane = t.links
    .filter((l) => l.kind === "200g")
    .map((l) => {
      const bi = tgIdx(t, l.b);
      if (bi < 4) return null;
      const b = tgPos(bi);
      const ex = b.dcx - 40;
      const fi = t.links.filter((x) => x.kind === "200g").findIndex((x) => x.b === l.b);
      const px = 396 + (fi % 4) * 80;
      return { y: 366, x1: Math.min(ex, px), x2: Math.max(ex, px) };
    })
    .filter(Boolean);
  let out = "";
  for (const l of t.links.filter((l) => l.kind === "10g")) {
    const bi = tgIdx(t, l.b);
    if (bi < 4) continue;
    const x = tgPos(bi).dcx;
    // detour devices turn ON the lane (a T-junction) — only a vertical that
    // spans the lane (outer devices, x outside the fabric box) gets a hop
    if (x >= 370 && x <= 690) continue;
    for (const h of lane)
      if (x > h.x1 + 2 && x < h.x2 - 2)
        out += `<path class="bridge b-10g" d="M ${x - 5} ${h.y} A 5 5 0 0 1 ${x + 5} ${h.y}"/>`;
  }
  return out;
}

function switchesSvg(t) {
  const fi = {};
  const fabEntries = t.links.filter((l) => l.kind === "200g").map((l) => ({
    name: l.b, i: (fi[l.b] = fi[l.b] ?? Object.keys(fi).length), top: fi[l.b] < 4,
  }));
  const lanEntries = t.nodes.map((n, i) => ({ name: n, i, top: i < 4 }));
  const glyphs = t.switches.map((s) => s.kind === "aux" ? fanSvg(s) : swSvg(s, fabEntries)).join("");
  // the passive 10G switch has no HA entity — the UI draws it explicitly
  return glyphs + swSvg({ entity: "lan", kind: "lan" }, lanEntries);
}

const devsSvg = (t) => t.nodes.map((n, i) => devSvg(n, i)).join("");

function legendSvg(bus) {
  return `<g class="legend" transform="translate(20,526)">
    <line x1="0" y1="0" x2="26" y2="0" class="cable c-200g"/><text x="32" y="4">200G fabric</text>
    <line x1="120" y1="0" x2="146" y2="0" class="cable c-dac"/><text x="152" y="4">DAC direct</text>
    <line x1="240" y1="0" x2="266" y2="0" class="cable c-10g"/><text x="272" y="4">10G mgmt</text>
    <circle cx="352" cy="0" r="4" class="pled on"/><text x="362" y="4">plug on</text>
    <circle cx="428" cy="0" r="4" class="pled off"/><text x="438" y="4">plug off / HA?</text>
    <text x="560" y="4" class="cablemode" data-topobus="1">cables: ${bus ? "bus + bridges" : "direct"} ▸</text>
  </g>`;
}

// Per-tick state update: flip LED/port/frame/flow classes in place —
// the SVG skeleton survives, so CSS animations keep running.
// Power policy for fabric ports and their cable flows: a port is green only
// when its switch reports ON (unknown is tolerated) AND the node is
// occupied — an HA-OFF switch cannot carry traffic, so all of its ports
// stay gray even if a node still reports a running container.
/*TOPOPORT:START*/
function fabPortOn(swOn, occupied) {
  return swOn !== false && !!occupied;
}
/*TOPOPORT:END*/

function topoTick(snap) {
  const t = snap.topo;
  const ns = {};
  for (const c of snap.clusters) for (const n of c.nodes) {
    const s = (ns[n.name] ||= { reachable: false, occupied: false, ha: undefined, containers: [] });
    s.reachable ||= n.reachable;
    s.occupied ||= n.occupied;
    if (!s.ip) s.ip = n.ssh_ip;
    if (n.ha !== null) s.ha = n.ha;
    for (const ct of n.containers) if (!s.containers.some((x) => x.name === ct.name)) s.containers.push(ct);
  }
  for (const name of t.nodes) {
    const g = document.querySelector(`#topo g[data-dev="${CSS.escape(name)}"]`);
    const s = ns[name];
    if (!g || !s) continue;
    const led = g.querySelector(".pled");
    if (led) led.setAttribute("class", "pled " + (s.reachable ? (s.occupied ? "b" : "on") : "off"));
    g.classList.toggle("unpowered", s.ha === false);
    const ip = g.querySelector(".ip");
    if (ip) ip.textContent = s.ip || "";
    const ctr = g.querySelector(".ctrt"), chip = g.querySelector(".ctr");
    const recipes = [...new Set(s.containers.map((x) => x.recipe))];
    if (ctr) ctr.textContent = s.containers.length ? `${s.containers.length}·${recipes[0].slice(0, 7)}` : "idle";
    if (chip) chip.classList.toggle("hot", s.containers.length > 0);
    const tt = g.querySelector("title");
    if (tt) tt.textContent = `${name} · ${s.ip || ""} · ${s.reachable ? (s.occupied ? "serving" : "free") : "down"}`
      + (s.ha === false ? " · plug OFF" : "")
      + (s.containers.length ? " · " + s.containers.map((x) => x.name).join(", ") : "");
  }
  const swStateOf = (ent) => t.states.find((x) => x.entity === ent)?.on;
  for (const l of t.links) {
    const fl = document.querySelector(`#topo path[data-flow="${CSS.escape(l.kind + "|" + l.a + "|" + l.b)}"]`);
    if (!fl) continue;
    const B = ns[l.b], A = l.kind === "dac" ? ns[l.a] : null;
    fl.classList.toggle("live", l.kind === "10g" ? !!B?.reachable
      : l.kind === "200g" ? fabPortOn(swStateOf(l.a), B?.occupied)
      : !!(B?.occupied && A?.occupied));
  }
  for (const name of t.nodes) {
    const lp = document.querySelector(`#topo rect[data-lanport="${CSS.escape(name)}"]`);
    if (lp) lp.classList.toggle("on", !!ns[name]?.reachable);
    const fp = document.querySelector(`#topo rect[data-fabport="${CSS.escape(name)}"]`);
    if (fp) {
      const swEnt = fp.closest("[data-sw]")?.dataset?.sw;
      fp.classList.toggle("on", fabPortOn(swStateOf(swEnt), ns[name]?.occupied));
    }
  }
  for (const sw of t.switches) {
    const st = t.states.find((x) => x.entity === sw.entity);
    const g = document.querySelector(`#topo [data-sw="${CSS.escape(sw.entity)}"]`);
    if (!g) continue;
    const cls = st?.on === true ? "on" : st?.on === false ? "off" : "unk";
    g.classList.remove("on", "off", "unk");
    g.classList.add(cls);
    const led = g.querySelector(".swled");
    if (led) led.setAttribute("class", "pled swled " + (st?.on === true ? "on" : st?.on === false ? "off" : ""));
    const tt = g.querySelector("title");
    if (tt) tt.textContent = `${sw.entity} · ${st?.on === true ? "on" : st?.on === false ? "OFF" : "state unknown"}`;
  }
  for (const c of snap.clusters) {
    const st = `${c.up ? `up · ${c.free} free` : "down"}${c.switch_off ? " · HA switch off" : ""}`;
    for (const g of document.querySelectorAll(`#topo [data-cluster="${CSS.escape(c.name)}"]`)) {
      g.classList.toggle("down", !c.up);
      const dot = g.querySelector(".cdot");
      if (dot) dot.setAttribute("class", "cdot " + (c.up ? "on" : "off"));
      const tt = g.querySelector("title");
      if (tt) tt.textContent = `${(state.topoGroupTitles || {})[c.name] || c.name} · ${st}`;
    }
  }
}

function renderTopo(snap) {
  const host = document.getElementById("topo");
  const t = snap.topo;
  if (!host || !t) return;
  if (state.topoBus === undefined) state.topoBus = localStorage.getItem("sm121-topobus") === "1";
  const sig = topoSig(t) + (state.topoBus ? ":bus" : ":direct");
  if (state.topoSig !== sig) {
    state.topoSig = sig;
    const tf = topoFrames(snap);
    host.innerHTML = `<svg viewBox="0 0 ${TG_W} ${TG_H}" preserveAspectRatio="xMidYMid meet">
      ${tf.frames}${cablesSvg(t, state.topoBus)}${switchesSvg(t)}${devsSvg(t)}${legendSvg(state.topoBus)}${tf.chips}
    </svg>`;
    for (const g of host.querySelectorAll("[data-cluster]")) {
      g.onclick = () => {
        state.active = g.dataset.cluster;
        localStorage.setItem("sm121-active", state.active);
        if (wins.state) wins.state.isMinimized() ? wins.state.restore() : front(wins.state.win);
        onState(state.snap, true);
      };
    }
    // cable-mode toggle (legend): direct bezier runs ↔ bus + bridge arcs
    const cm = host.querySelector("[data-topobus]");
    if (cm)
      cm.onclick = () => {
        state.topoBus = !state.topoBus;
        localStorage.setItem("sm121-topobus", state.topoBus ? "1" : "0");
        state.topoSig = ""; // force a re-render with the other mode
        renderTopo(state.snap || snap);
      };
  }
  topoTick(snap);
}

// --- jobs ---------------------------------------------------------------------
// "Running" entries come from the docker labels (sm121.recipe / sm121.cluster)
// on live containers — jobs don't need to have started from this dashboard.
// One row per launcher job, NOT per node×cluster: a container is visible on
// every cluster sharing its node, so the board used to look entirely busy.
/*JOBS-LT:START*/
function runningFromLabels() {
  const m = new Map();
  if (!state.snap) return [];
  for (const c of state.snap.clusters) {
    if (!c.up) continue; // down clusters report no containers
    for (const n of c.nodes) {
      for (const x of n.containers) {
        const key = x.cluster + "|" + x.recipe;
        let r = m.get(key);
        if (!r) m.set(key, (r = { cluster: x.cluster, recipe: x.recipe, nodes: [], statuses: new Set() }));
        if (!r.nodes.includes(n.name)) r.nodes.push(n.name);
        r.statuses.add(x.status);
      }
    }
  }
  const nat = (a, b) => a.localeCompare(b, undefined, { numeric: true });
  return [...m.values()].map((r) => ({ ...r, nodes: r.nodes.sort(nat), statuses: [...r.statuses].sort(nat) }));
}
/*JOBS-LT:END*/
function renderJobs() {
  const box = $("#jobs");
  box.innerHTML = "";
  const prevShown = state.shown;
  state.shown = new Set();
  const row = (key, cls, html) => {
    const el = document.createElement("div");
    el.className = "job " + cls + (prevShown.has(key) ? "" : " new");
    el.innerHTML = html;
    box.appendChild(el);
    state.shown.add(key);
    return el;
  };
  const run = runningFromLabels();
  if (run.length) {
    const h = document.createElement("div");
    h.className = "jobs-empty"; h.textContent = "running (docker labels)";
    box.appendChild(h);
    for (const r of run) {
      const many = r.nodes.length > 1;
      row("c:" + r.cluster + ":" + r.recipe, "jjob",
        `<span class="jdot"></span><span class="jkind">serve</span>
        <span class="jmsg">${esc(r.cluster)}:${esc(r.recipe || "?")} — ${r.nodes.length} node${many ? "s" : ""} (${esc(r.nodes.join(", "))}) · ${esc(r.statuses.join(", "))}</span>`);
    }
  }
  const js = [...state.jobs.values()].sort((a, b) => b.started - a.started);
  if (!run.length && !js.length) { box.innerHTML = '<div class="jobs-empty">no sm121 containers running, no actions yet — serve / stop / power started from this dashboard appear here</div>'; return; }
  if (run.length) {
    const sep = document.createElement("div");
    sep.className = "jobs-empty"; sep.textContent = "actions";
    box.appendChild(sep);
  }
  for (const j of js) {
    const cls = j.status === "ok" ? "ok" : j.status === "failed" ? "failed" : "jjob";
    const when = new Date(j.started * 1000).toLocaleTimeString();
    row("j:" + j.id, cls, `<span class="jdot"></span><span class="jkind">${esc(j.kind)}</span>
      <span class="jmsg">${esc(j.cluster)}${j.recipe ? ":" + esc(j.recipe) : ""} — ${esc(j.message)} <span>(${when})</span></span>`);
    setBtnBusy(j, j.status === "running");
  }
}
function setBtnBusy(j, busy) {
  // power jobs disable both the off and switch buttons (the job event
  // doesn't carry the action)
  const keys = j.kind === "power" ? ["power", "pwswitch"] : [j.kind];
  for (const k of keys) {
    const el = document.getElementById(k + "-" + j.cluster);
    if (el) el.disabled = busy;
  }
}

// --- job events ------------------------------------------------------------------
function onJob(ev) {
  if (ev.event === "started") {
    state.jobs.set(ev.id, { id: ev.id, kind: ev.kind, cluster: ev.cluster, recipe: ev.recipe, status: "running", message: ev.message, started: Date.now() / 1000 });
  }
  const j = state.jobs.get(ev.id);
  if (j && ev.event !== "started") {
    j.message = ev.message;
    j.status = ev.event === "ok" ? "ok" : "failed";
  }
  renderJobs();
}

// Stream-end notes: the snapshot carries attaches[].done; surface a
// re-attach hint in each log window whose stream died.
function updateLogNotes(snap) {
  for (const w of logWins.values()) {
    if (!w.attach || !snap.attaches) continue;
    const a = snap.attaches.find((x) => x.id === w.attach);
    const note = w.win.querySelector(".lognote");
    if (!note) continue;
    if (a && a.done && !note.classList.contains("dead")) {
      note.textContent = "stream ended — click ↻ to re-attach";
      note.classList.add("dead");
    }
  }
}
function attachDone(attachId) {
  if (!attachId) return true;
  const a = state.snap && state.snap.attaches ? state.snap.attaches.find((x) => x.id === attachId) : null;
  return a ? a.done : false;
}
function flashWin(win) {
  win.classList.add("flash");
  setTimeout(() => win.classList.remove("flash"), 700);
}

// --- log windows -------------------------------------------------------------------
const MAX_PRE_LINES = 1000;
// ponytail: trimPre re-splits the whole text per line (O(n)); fine at log
// rates — ring it (line array) if a busy container makes this visible.
function trimPre(pre) {
  const t = pre.textContent;
  if (t.split("\n").length > MAX_PRE_LINES + 1) {
    pre.textContent = t.split("\n").slice(-MAX_PRE_LINES).join("\n");
  }
}
function appendLogLine(w, line) {
  if (w.paused) { w.buf += line + "\n"; return; }
  preSet(w, w.pre.textContent + line + "\n");
}
function preSet(w, text) {
  w.pre.textContent = text;
  trimPre(w.pre);
  if (!w.paused) w.pre.scrollTop = w.pre.scrollHeight;
}
function onLog(ev) {
  const w = logWins.get(ev.attach);
  if (!w) return; // window closed (or from another tab) — nothing to show
  appendLogLine(w, ev.line);
}
async function openLog(cluster, node, recipe) {
  const snap = state.snap;
  const c = snap ? snap.clusters.find((x) => x.name === cluster) : null;
  const n = c ? c.nodes.find((x) => x.name === node) : null;
  if (!n) return;
  // A window for this node is already open and no specific recipe asked for
  // → front it with feedback; if its stream died, re-attach (fresh history).
  if (!recipe) {
    for (const w of logWins.values()) if (w.cluster === cluster && w.node === node) {
      front(w.win);
      flashWin(w.win);
      if (w.attach && attachDone(w.attach)) reattachLog(w); // dead stream → fresh
      return;
    }
  }
  recipe = recipe || (n.containers[0] ? n.containers[0].recipe : "");
  const win = makeWin({
    title: "logs: " + node + (recipe ? " · " + recipe : ""),
    short: "logs: " + node,
    x: 20 + (logWins.size * 26) % 240, y: 20 + (logWins.size * 26) % 160,
    w: Math.min(620, innerWidth - 40), h: Math.min(420, innerHeight * 0.6),
    bodyHtml: `<div class="logbar">
      <select title="container on ${esc(node)}"></select>
      <label><input type="checkbox" class="logpause"> pause</label>
      <button class="abtn logcopy">copy</button>
      <button class="abtn logrefresh" title="re-attach (fresh history + stream)">↻</button>
      <span class="lognote"></span>
    </div><pre class="logpre"></pre>`,
    extraCls: "logwin",
    removeOnClose: true,
    onClosed: () => {
      const w = [...logWins.entries()].find(([, x]) => x.node === node && x.cluster === cluster && x.win === win.win);
      if (w) detachLog(w[0]);
    },
  });
  const w = { cluster, node, recipe, rank: n.rank, win: win.win, pre: win.body.querySelector(".logpre"), buf: "", paused: false };
  win.body.querySelector(".logcopy").onclick = async () => {
    try { await navigator.clipboard.writeText(w.pre.textContent); } catch {}
  };
  win.body.querySelector(".logrefresh").onclick = () => { if (w.attach) reattachLog(w); };
  const pauseCb = win.body.querySelector(".logpause");
  pauseCb.onchange = () => {
    w.paused = pauseCb.checked;
    if (!w.paused && w.buf) { preSet(w, w.pre.textContent + w.buf); w.buf = ""; }
  };
  const sel = win.body.querySelector("select");
  for (const x of n.containers) {
    const o = document.createElement("option");
    o.value = x.recipe;
    o.textContent = x.name + " · " + x.recipe;
    sel.appendChild(o);
  }
  if (n.containers.length) sel.value = recipe;
  sel.onchange = async () => {
    if (!sel.value) return;
    const cur = [...logWins.entries()].find(([, x]) => x.win === win.win);
    if (cur) detachLog(cur[0], false); // drop the old stream, keep this window
    await attachLog(w, sel.value);
  };
  const note = win.body.querySelector(".lognote");
  // No containers AND no explicit recipe → nothing to attach; just the note.
  // An explicit recipe attaches anyway (the snapshot may lag the fleet —
  // the container can be running but not yet probed).
  if (!n.containers.length && !recipe) {
    note.textContent = "no sm121 containers on " + node + " — nothing to stream";
    note.classList.add("dead");
    logWins.set("noop:" + cluster + ":" + node, { ...w, attach: null });
    return;
  }
  await attachLog(w, recipe || (n.containers[0] ? n.containers[0].recipe : ""));
}
async function attachLog(w, recipe) {
  w.recipe = recipe;
  w.win.querySelector(".wtitle").textContent = "logs: " + w.node + " · " + recipe;
  const post = await api("/api/logs", { cluster: w.cluster, node: w.node, recipe, rank: w.rank });
  w.attach = post.attach_id;
  preSet(w, (post.history || []).join("\n"));
  // Re-key: a select-change swap detached the old entry under its old id.
  for (const [k] of [...logWins.entries()]) {
    if (logWins.get(k).win === w.win && logWins.get(k).attach !== post.attach_id) logWins.delete(k);
  }
  logWins.set(post.attach_id, w);
  const note = w.win.querySelector(".lognote");
  note.textContent = "";
  note.classList.remove("dead");
}
function detachLog(attachId, hide = true) {
  const w = logWins.get(attachId);
  if (!w) return;
  logWins.delete(attachId);
  if (w.attach) fetch(auth("/api/logs"), { method: "DELETE", headers: { "content-type": "application/json" }, body: JSON.stringify({ attach_id: w.attach }) }).catch(() => {});
  if (hide && w.win && w.win.isConnected) { w.win.style.display = "none"; renderDock(); }
}

// Re-attach an existing window: drop the old stream (window stays) and
// start a fresh one (new 200-line history + follow).
async function reattachLog(w) {
  const recipe = w.recipe;
  if (w.attach) detachLog(w.attach, false);
  await attachLog(w, recipe);
}

// --- raw content windows ---------------------------------------------------------
// One window, a kind selector: config / effective / recipe:<name>. Content is
// verbatim from the server (effective is pretty JSON); copy grabs the text.
let rawWin = null;
let recipesWin = null;
// The recipes panel IS the `sm121 report --serve` page, nested by the
// server at /recipes and embedded as-is: table, grouping, stars, the /r/
// viewer and live updates stay one implementation (paths prefix-rewritten
// server-side, theme inherited through the iframe's color-scheme).
function openRecipes(g) {
  if (recipesWin) { activateWindow(recipesWin); return recipesWin; } // shows a minimized/hidden-max one too
  const r = (k, d) => (g && Number.isFinite(parseFloat(g[k])) ? parseFloat(g[k]) : d);
  recipesWin = makeWin({
    id: "win-recipes", title: "Recipes", x: r("left", 24), y: r("top", 24),
    w: r("width", Math.min(1180, innerWidth - 48)), h: r("height", Math.min(760, innerHeight - 80)),
    bodyHtml: `<iframe src="${auth("/recipes")}" title="recipes report"></iframe>`,
    extraCls: "recwin",
    removeOnClose: true,
    onClosed: () => { recipesWin = null; },
  });
  saveWinState();
  return recipesWin;
}

async function openRaw(g) {
  if (rawWin) { activateWindow(rawWin); return rawWin; }
  const r = (k, d) => (g && Number.isFinite(parseFloat(g[k])) ? parseFloat(g[k]) : d);
  const handle = makeWin({
    title: "raw", x: r("left", 20), y: r("top", 20),
    w: r("width", Math.min(680, innerWidth - 40)), h: r("height", Math.min(460, innerHeight * 0.65)),
    bodyHtml: `<div class="rawbar">
      <select></select>
      <button class="abtn rawcopy">copy</button>
      <span class="rawnote"></span>
    </div><pre class="logpre rawpre"></pre>`,
    extraCls: "rawwin",
    removeOnClose: true,
    onClosed: () => { rawWin = null; },
  });
  rawWin = handle;
  const sel = handle.body.querySelector("select");
  const pre = handle.body.querySelector(".rawpre");
  const note = handle.body.querySelector(".rawnote");
  handle.body.querySelector(".rawcopy").onclick = async () => {
    try { await navigator.clipboard.writeText(pre.textContent); } catch {}
  };
  const fill = () => {
    // rebuild only when the recipe set changed (works with zero recipes:
    // config/effective are always selectable; recipe data may live in an
    // external workspace).
    const sig = state.recipes.map((r) => r.name).join(",");
    if (sel.dataset.sig === sig && sel.options.length) return;
    sel.dataset.sig = sig;
    const cur = sel.value;
    sel.innerHTML = "";
    for (const kind of ["config", "effective", "recipe:", ...state.recipes.map((r) => "recipe:" + r.name)]) {
      const o = document.createElement("option");
      o.value = kind === "recipe:" ? "" : kind;
      o.textContent = kind === "effective" ? "effective (merged config)" : kind;
      if (kind === "recipe:") { o.disabled = true; o.textContent = "— recipes —"; }
      sel.appendChild(o);
    }
    sel.value = cur || "config";
    load();
  };
  let seq = 0;
  async function load() {
    const kind = sel.value;
    const mine = ++seq; // responses can land out of order — last one wins
    note.textContent = "";
    if (!kind) return;
    const path = kind === "config" ? "/api/raw/config" : kind === "effective" ? "/api/raw/effective" : "/api/raw/recipe/" + encodeURIComponent(kind.slice("recipe:".length));
    try {
      const res = await fetch(auth(path));
      const text = await res.text();
      if (mine !== seq) return; // a newer selection already answered
      if (!res.ok) { note.textContent = "error: " + text; return; }
      if (kind === "effective") {
        try { pre.textContent = JSON.stringify(JSON.parse(text), null, 2); } catch { pre.textContent = text; }
      } else pre.textContent = text;
    } catch (e) { if (mine === seq) note.textContent = "error: " + e.message; }
  }
  sel.onchange = load;
  fill(); // config/effective are always available; recipes fill in later
  state.onRecipesReady = fill; // recipes may arrive after the first open
  saveWinState();
  return handle;
}

// --- actions -----------------------------------------------------------------------
const cur = () => state.snap;
function recipeOf(cluster) {
  const sel = document.getElementById("recipe-" + cluster);
  return sel ? sel.value : "";
}
function dryOf(cluster) {
  const d = document.getElementById("dry-" + cluster);
  return d ? d.checked : false;
}
async function api(path, body) {
  const res = await fetch(auth(path), { method: "POST", headers: { "content-type": "application/json" }, body: JSON.stringify(body) });
  if (!res.ok) {
    if (res.status === 401) { showTokenPrompt(); throw new Error("unauthorized"); }
    let m = res.status;
    try { m = (await res.json()).error || m; } catch {}
    throw new Error(m);
  }
  return res.json();
}
function doServe(cluster) {
  const recipe = recipeOf(cluster);
  if (!recipe) { alert("pick a recipe first"); return; }
  const body = serveBody(cluster, recipe, dryOf(cluster), flagsOf(cluster));
  if (body.dry_run) {
    api("/api/serve", body).then((r) => openDialog("dry-run: " + r.job, "started (watch the jobs window)", () => {}));
    return;
  }
  openDialog(`serve ${recipe} on ${cluster}`, `Launches <code>${esc(recipe)}</code> on cluster <code>${esc(cluster)}</code>.`, () => {
    api("/api/serve", body).catch((e) => openDialog("serve failed", esc(e.message), () => {}, true));
  });
}
function doStop(cluster) {
  const snap = cur();
  const c = snap ? snap.clusters.find((x) => x.name === cluster) : null;
  const containers = (c ? c.nodes : []).flatMap((n) => n.containers.map((x) => ({ ...x, node: n.name })));
  // stop what is actually running here — never the whole recipe catalogue
  const running = [...new Set(containers.map((x) => x.recipe).filter(Boolean))];
  if (!running.length) {
    // up but nothing detected: fall back to the serve-form pick (a stale
    // serve the probe missed is still worth stopping)
    const recipe = recipeOf(cluster);
    if (!recipe) { alert(`nothing is running on ${cluster}`); return; }
    stopDialog(cluster, recipe, containers);
    return;
  }
  if (running.length === 1) { stopDialog(cluster, running[0], containers); return; }
  const body = document.createElement("div");
  body.className = "body";
  body.innerHTML = `Several recipes are running on <code>${esc(cluster)}</code> — pick the one to stop:`;
  const sel = document.createElement("select");
  sel.style.cssText = "width:100%;margin:8px 0;padding:6px;background:var(--btn);color:var(--fg);border:1px solid var(--border);border-radius:6px;";
  for (const r of running) {
    const o = document.createElement("option");
    o.value = r; o.textContent = r;
    sel.appendChild(o);
  }
  body.appendChild(sel);
  openDialogHtml(`stop ${cluster}`, body, () => stopDialog(cluster, sel.value, containers));
}

function stopDialog(cluster, recipe, containers) {
  const snap = cur();
  const c = snap ? snap.clusters.find((x) => x.name === cluster) : null;
  const body = document.createElement("div");
  body.className = "body";
  const nodeSel = document.createElement("select");
  nodeSel.id = "stopnode";
  nodeSel.title = "stop on one node instead of all";
  nodeSel.innerHTML = `<option value=''>all nodes</option>` + (c ? c.nodes.map((n) => `<option value='${esc(n.name)}'>${esc(n.name)}</option>`).join("") : "");
  const list = containers.length
    ? `<ul class="cbox">${containers.map((x) => `<li><b>${esc(x.name)}</b> — ${esc(x.status)} <span class="dim">on ${esc(x.node)}</span></li>`).join("")}</ul>`
    : `<div class="cbox">no containers detected on ${esc(cluster)} (recipe may not be running here)</div>`;
  body.innerHTML = `Will run <code>sm121 stop</code> for <code>${esc(recipe)}</code> on <code>${esc(cluster)}</code>. Node: <span data-stopnode></span>. Currently running:${list}`;
  body.querySelector("[data-stopnode]").replaceWith(nodeSel);
  openDialogHtml(`stop ${recipe}`, body, () => {
    api("/api/stop", { cluster, recipe, node: nodeSel.value || undefined }).catch((e) => openDialog("stop failed", esc(e.message), () => {}, true));
  });
}
function doPower(action, cluster) {
  if (action === "off") {
    const snap = cur();
    const c = snap ? snap.clusters.find((x) => x.name === cluster) : null;
    const busy = c ? c.nodes.filter((n) => n.occupied) : [];
    if (busy.length) {
      openDialog(`power off ${cluster} blocked`,
        `Cluster has ${busy.length} occupied node(s): <code>${esc(busy.map((n) => n.name).join(", "))}</code>. Stop its workloads first.`,
        () => {}, true);
      return;
    }
    twoStep(`power off ${cluster}`,
      `Shuts down <b>all nodes</b> of <code>${esc(cluster)}</code> (SSH then Home Assistant). This can kill live traffic.`,
      cluster, () => {
        api("/api/power", { action: "off", cluster }).catch((e) => openDialog("power failed", esc(e.message), () => {}, true));
      });
    return;
  }
  if (action === "switch") {
    const snap = cur();
    const names = snap ? snap.clusters.map((c) => c.name) : [];
    const body = document.createElement("div");
    body.className = "body";
    let inner = `Power <code>${esc(cluster)}</code> off and bring up another cluster instead.`;
    const sel = document.createElement("select");
    sel.style.cssText = "width:100%;margin:8px 0;padding:6px;background:var(--btn);color:var(--fg);border:1px solid var(--border);border-radius:6px;";
    for (const n of names.filter((n) => n !== cluster)) {
      const o = document.createElement("option");
      o.value = n; o.textContent = n;
      sel.appendChild(o);
    }
    body.innerHTML = inner;
    body.appendChild(sel);
    openDialogHtml(`power switch from ${cluster}`, body, () => {
      const to = sel.value;
      api("/api/power", { action: "switch", cluster, to }).catch((e) => openDialog("power failed", esc(e.message), () => {}, true));
    });
    return;
  }
  twoStep(`power on ${cluster}`, `Turns on <code>${esc(cluster)}</code> via Home Assistant (SSH is not used).`, cluster, () => {
    api("/api/power", { action: "on", cluster }).catch((e) => openDialog("power failed", esc(e.message), () => {}, true));
  });
}
function twoStep(title, bodyHtml, nameToType, go) {
  openDialogHtml(title, (() => { const d = document.createElement("div"); d.className = "body"; d.innerHTML = bodyHtml; return d; })(),
    () => {}, { twoStep: nameToType, go });
}

// --- dialog -----------------------------------------------------------------------
let dlg = { ok: null, twoStep: null };
function openDialog(title, bodyHtml, go, danger) {
  $("#dlg-title").textContent = title;
  $("#dlg-body").innerHTML = bodyHtml;
  const ok = $("#dlg-ok");
  ok.style.display = "";
  ok.textContent = "Confirm";
  ok.className = "abtn" + (danger ? " danger" : "");
  dlg = { ok: go, twoStep: null };
  $("#dlg").hidden = false;
}
function openDialogHtml(title, bodyEl, go, opts) {
  $("#dlg-title").textContent = title;
  $("#dlg-body").innerHTML = "";
  $("#dlg-body").appendChild(bodyEl);
  const ok = $("#dlg-ok");
  ok.style.display = "";
  if (opts && opts.twoStep) {
    ok.style.display = "none";
    const wrap = document.createElement("div");
    wrap.innerHTML = `<div style="font-size:12.5px;color:var(--muted)">Type <b>${esc(opts.twoStep)}</b> to confirm.</div>
      <input id="dlg-type" placeholder="${esc(opts.twoStep)}" autocomplete="off">`;    $("#dlg-body").appendChild(wrap);
    const inp = wrap.querySelector("#dlg-type");
    inp.oninput = () => {
      if (inp.value === opts.twoStep) {
        ok.style.display = "";
        ok.textContent = "⚡ Confirm power action";
        ok.className = "abtn danger";
      } else { ok.style.display = "none"; }
    };
    // `go` (the parameter) is the no-op placeholder twoStep passes — the
    // real action lives in opts.go; storing `go` made every two-step
    // confirm (power on/off) close the dialog and do nothing
    dlg = { ok: null, twoStep: opts.twoStep, go: opts.go };
  } else {
    dlg = { ok: go, twoStep: null };
  }
  $("#dlg").hidden = false;
}
$("#dlg-ok").onclick = () => {
  const go = dlg.twoStep ? dlg.go : dlg.ok;
  $("#dlg").hidden = true;
  if (go) go();
};
$("#dlg-cancel").onclick = () => { $("#dlg").hidden = true; };
document.addEventListener("keydown", (e) => { if (e.key === "Escape") $("#dlg").hidden = true; });

// --- boot ---------------------------------------------------------------------------
function initManagedWindows() {
  const W = innerWidth;
  // vertical budget = the actual window layer (header/dock already excluded);
  // +40 reserve for the dock, which appears when a window gets minimized
  const L = Math.max(420, $("#winlayer").clientHeight);
  // topology map: the primary window (left); state/jobs stack on the right
  const tw = Math.max(560, Math.floor(W * 0.58));
  const rx = tw + 30, rw = Math.max(340, W - rx - 12);
  // the map is a fixed-aspect drawing: size its window to the drawing, or
  // the SVG letterboxes itself with big empty bands above and below
  const TH = Math.min(Math.round(tw * (TG_H / TG_W)) + 34, L - 260);
  wins.topo = makeWin({
    id: "win-topo", title: "Topology", x: 12, y: 12,
    w: tw, h: TH,
    bodyHtml: `<div id="topo"><div class="topo-empty">waiting for the first fleet scan…</div></div>`,
  });
  wins.jobs = makeWin({
    id: "win-jobs", title: "Jobs", x: 12, y: TH + 24,
    w: tw, h: L - TH - 24,
    bodyHtml: `<div class="jobs" id="jobs"><div class="jobs-empty">no sm121 containers running, no actions yet — serve / stop / power started from this dashboard appear here</div></div>`,
  });
  wins.state = makeWin({
    id: "win-state", title: "Cluster state", x: rx, y: 12,
    w: rw, h: L - 12,
    bodyHtml: `<div id="clusters"><div class="skeleton"></div><div class="skeleton"></div><div class="skeleton"></div></div>`,
  });
  // last session's layout wins over the defaults
  const st = readWinState();
  restoring = true;
  for (const [k, h] of Object.entries(wins)) {
    const g = st[k];
    if (!g) continue;
    if (g.closed) { h.close(); continue; }
    h.setGeometry(g);
    if (g.max) h.maximize();
    else if (g.min) h.minimize();
  }
  restoring = false;
  fitToLayer();
  renderDock();
}
async function boot() {
  initManagedWindows();
  try {
    const res = await fetch(auth("/api/state"));
    if (res.status === 401) { showTokenPrompt(); }
    if (res.ok) {
      const snap = await res.json();
      onState(snap);
      // Restore log windows from other tabs / previous session (idempotent
      // attach: a live stream is reused, a finished one re-streams history).
      for (const a of snap.attaches || []) {
        if (![...logWins.values()].some((w) => w.cluster === a.cluster && w.node === a.node)) {
          openLog(a.cluster, a.node, a.recipe);
        }
      }
    }
  } catch {}
  try {
    const res = await fetch(auth("/api/recipes"));
    if (res.ok) {
      const d = await res.json();
      state.recipes = (d.recipes || []).sort((a, b) => a.name.localeCompare(b.name));
      if (state.snap) onState(state.snap, true); // force: sameSnapshot would skip the identical fleet
      if (state.onRecipesReady) { const f = state.onRecipesReady; delete state.onRecipesReady; f(); }
    }
  } catch {}
  connectSSE();
  // 30 s heartbeat refresh (mirrors the server poll; harmless if state is identical)
  addEventListener("resize", fitToLayer);
  // optional windows (their own SSE/API calls are cheap and idempotent)
  restoreWindow("recipes", openRecipes);
  restoreWindow("raw", openRaw);
  setInterval(async () => {
    try {
      const res = await fetch(auth("/api/state"));
      if (res.ok) onState(await res.json());
    } catch {}
  }, 30000);
}
boot();
</script>
</body>
</html>