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<!DOCTYPE html>
<html lang="zh-Hant">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>DrugOps — Module 3 Protein Preparation</title>
<style>
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700;800&family=IBM+Plex+Sans:wght@300;400;500&display=swap');

:root {
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  --sans: 'IBM Plex Sans', sans-serif;
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}

html[data-theme="light"] {
  color-scheme: light;
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  --amber: #d97706;
  --amber-dim: #fef3c7;
  --red: #dc2626;
  --red-dim: #fee2e2;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 17px; line-height: 1.65; }

.main-col .main { max-width: none; }

/* ── Top toolbar ── */
.panel-toolbar {
  margin-bottom: 1.75rem;
  padding: 1.25rem 1.5rem;
  background: var(--surface);
  border: var(--fw) solid var(--border);
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  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
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}
.panel-toolbar label.lbl-tb {
  font-size: 12px;
  color: var(--text3);
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}
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  min-height: 44px;
}
.panel-toolbar input#sessionInput { flex: 1; min-width: 260px; }
.panel-toolbar input#targetInput { width: 150px; }
.panel-toolbar .btn { padding: 10px 20px; font-size: 14px; }
.panel-toolbar .action-note { font-size: 13px; line-height: 1.5; }
.panel-toolbar code { font-size: 13px; }

/* ── Layout ── */
.main { padding: 2.25rem 2.75rem; max-width: 1280px; }
.pipeline-track { display: flex; flex-direction: column; gap: 1.85rem; }

/* ── Engine Card ── */
.engine { background: var(--surface); border: var(--fw) solid var(--border); border-radius: var(--r-card); overflow: hidden; transition: border-color 0.2s; }
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.engine-header { padding: 1.2rem 1.65rem; display: flex; align-items: center; gap: 1.1rem; cursor: pointer; user-select: none; }
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.engine.done .engine-badge { background: var(--green-dim); color: var(--green); border-color: var(--green); }
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.engine.needs-input .engine-badge { background: var(--amber-dim); color: var(--amber); border-color: var(--amber); }
.engine.error .engine-badge { background: var(--red-dim); color: var(--red); border-color: var(--red); }

@keyframes pulse { 0%,100% { opacity:1 } 50% { opacity:0.5 } }

.engine-title { font-size: 17px; font-weight: 500; color: var(--text); flex: 1; }
.engine-subtitle { font-size: 14px; color: var(--text3); margin-top: 0.2rem; }
.engine-chevron { color: var(--text3); font-size: 14px; transition: transform 0.2s; }
.engine.open .engine-chevron { transform: rotate(180deg); }

.engine-body { display: none; border-top: var(--fw) solid var(--border); }
.engine.open .engine-body { display: block; }

/* ── Stage List ── */
.stage-list { padding: 1.15rem 1.65rem; display: flex; flex-direction: column; gap: 0.65rem; }
.stage-row { display: flex; align-items: center; gap: 0.9rem; padding: 0.65rem 0.95rem; border-radius: var(--r-inner); background: var(--surface2); border: var(--fw) solid transparent; }
.stage-row.warn { border-color: var(--amber); background: var(--amber-dim); }
.stage-row.skip { opacity: 0.5; }
.stage-num { font-family: var(--mono); font-size: 11px; color: var(--text3); min-width: 32px; }
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.stage-status { font-size: 11px; font-weight: 500; padding: 4px 9px; border-radius: 5px; white-space: nowrap; }
.s-auto { background: var(--green-dim); color: var(--green); }
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.s-fail { background: var(--red-dim); color: var(--red); }

/* ── Action Bar ── */
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  border-top: var(--fw) solid var(--border);
  display: flex;
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  align-items: stretch;
  gap: 0.75rem;
}
.action-bar-row {
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  align-items: center;
  gap: 0.75rem;
}
.btn { font-family: var(--mono); font-size: 14px; font-weight: 500; padding: 11px 22px; border-radius: var(--r-inner); border: var(--fw) solid; cursor: pointer; transition: all 0.15s; letter-spacing: 0.04em; min-height: 44px; }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn-primary { background: var(--blue); color: #fff; border-color: var(--blue); }
.btn-primary:hover:not(:disabled) { background: #6ab3ff; }
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.btn-ghost:hover:not(:disabled) { background: var(--surface2); color: var(--text); }
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}
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}
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/* ── Decision Panel ── */
.decision-panel { margin: 0 1.65rem 1.15rem; background: var(--surface2); border: var(--fw) solid var(--amber); border-radius: var(--r-inner); padding: 1.4rem 1.5rem; }
.decision-title { font-size: 14px; font-weight: 500; color: var(--amber); margin-bottom: 0.85rem; letter-spacing: 0.04em; font-family: var(--mono); }
.decision-desc { font-size: 15px; color: var(--text2); margin-bottom: 1rem; line-height: 1.65; }
.decision-desc code { font-size: 14px; }
.decision-options { display: flex; gap: 0.65rem; flex-wrap: wrap; }

/* ── Override Panel ── */
.override-table { width: 100%; border-collapse: collapse; margin: 0.85rem 0; }
.override-table th { font-family: var(--mono); font-size: 11px; color: var(--text3); text-align: left; padding: 0.55rem 0.65rem; border-bottom: var(--fw) solid var(--border); letter-spacing: 0.06em; }
.override-table td { font-family: var(--mono); font-size: 14px; padding: 0.55rem 0.65rem; color: var(--text2); border-bottom: var(--fw) solid var(--border); }
.override-table td:first-child { color: var(--blue); }
.override-table td:last-child { color: var(--green); }

/* ── Engine Select ── */
.engine-select-group { display: flex; gap: 0.85rem; flex-wrap: wrap; align-items: center; }
.radio-btn { display: flex; align-items: center; gap: 0.5rem; cursor: pointer; }
.radio-btn input { accent-color: var(--blue); width: 16px; height: 16px; }
.radio-btn span { font-family: var(--mono); font-size: 14px; color: var(--text2); }

/* Stage 15 cofactor picker */
.het-select-panel { margin: 0 1.65rem 1rem; background: var(--surface2); border: var(--fw) solid var(--amber); border-radius: var(--r-inner); padding: 1rem 1.15rem; }
.het-select-title { font-family: var(--mono); font-size: 14px; color: var(--amber); margin-bottom: 0.65rem; letter-spacing: 0.04em; }
.het-select-desc { font-size: 15px; color: var(--text2); margin-bottom: 0.75rem; line-height: 1.55; }
.het-table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 13px; }
.het-table th { text-align: left; color: var(--text3); padding: 0.45rem 0.5rem; border-bottom: var(--fw) solid var(--border); font-size: 12px; }
.het-table td { padding: 0.45rem 0.5rem; border-bottom: 1px solid var(--border); color: var(--text2); }
.het-table tr:hover td { background: var(--surface); }
.het-kind { font-size: 11px; padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border); }
.het-kind.metal { color: var(--amber); border-color: var(--amber); background: var(--amber-dim); }
.het-kind.het { color: var(--blue); border-color: var(--blue); background: var(--blue-dim); }
.het-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.75rem; align-items: center; }
.het-count { font-size: 13px; color: var(--text3); }
.het-row-btns { display: flex; gap: 0.35rem; }
.het-row-btns button { font-family: var(--mono); font-size: 12px; padding: 3px 10px; border-radius: 4px; border: var(--fw) solid var(--border); background: var(--surface); color: var(--text3); cursor: pointer; }
.het-row-btns button.on-keep { color: var(--green); border-color: var(--green); background: var(--green-dim, rgba(0,200,100,.12)); }
.het-row-btns button.on-remove { color: var(--red); border-color: var(--red); background: rgba(200,60,60,.12); }
.het-row-btns button:not(.on-keep):not(.on-remove):hover { border-color: var(--text2); color: var(--text2); }
.het-mode-on { border-color: var(--amber) !important; color: var(--amber) !important; }

/* ── Log ── */
.log-box { margin: 0 1.65rem 1.15rem; background: #0a0c10; border: var(--fw) solid var(--border); border-radius: var(--r-inner); padding: 1rem 1.15rem; font-family: var(--mono); font-size: 13px; color: var(--text3); max-height: 220px; overflow-y: auto; line-height: 1.85; }
.log-box .ok { color: var(--green); }
.log-box .warn { color: var(--amber); }
.log-box .err { color: var(--red); }
.log-box .info { color: var(--blue); }

/* ── Connector ── */
.connector { display: flex; align-items: center; padding: 0 2rem; gap: 0.65rem; }
.connector-line { flex: 1; height: var(--fw); background: var(--border); }
.connector-label { font-family: var(--mono); font-size: 12px; color: var(--text3); }

/* ── Flags ── */
.flag-row { display: flex; gap: 0.65rem; flex-wrap: wrap; padding: 0.95rem 1.65rem; border-top: var(--fw) solid var(--border); }
.flag { font-family: var(--mono); font-size: 11px; padding: 5px 11px; border-radius: 5px; background: var(--surface2); color: var(--text3); border: var(--fw) solid var(--border); }
.flag.warn { color: var(--amber); border-color: var(--amber); background: var(--amber-dim); }
.flag.skip { color: var(--text3); }

/* ── Summary ── */
.summary-bar { margin-top: 1.75rem; background: var(--surface); border: var(--fw) solid var(--green); border-radius: var(--r-card); padding: 1.5rem 1.65rem; display: none; }
.summary-bar.visible { display: block; }
.summary-title { font-family: var(--mono); font-size: 13px; color: var(--green); letter-spacing: 0.08em; margin-bottom: 0.95rem; }
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.summary-item { background: var(--surface2); border-radius: var(--r-inner); padding: 1rem 1.1rem; border: var(--fw) solid var(--border); }
.summary-item .lbl { font-size: 13px; color: var(--text3); margin-bottom: 0.35rem; }
.summary-item .val { font-family: var(--mono); font-size: 14px; color: var(--text); }

/* Engine C 完成後 — 摘要區動作按鈕 */
.summary-actions {
  margin-top: 1.25rem;
  padding-top: 1.15rem;
  border-top: var(--fw) solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}
.btn-creadrug-3d {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: var(--r-inner);
  border: 2px solid var(--green);
  background: var(--green-dim);
  color: var(--green);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: filter 0.15s, background 0.15s, color 0.15s;
  white-space: nowrap;
}
.btn-creadrug-3d:hover {
  background: var(--green);
  color: #000;
  filter: brightness(1.05);
}
.btn-m4-next {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: var(--r-inner);
  border: 2px solid var(--blue);
  background: var(--blue-dim);
  color: var(--blue);
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: filter 0.15s, background 0.15s, color 0.15s;
  white-space: nowrap;
}
.btn-m4-next:hover:not(:disabled) {
  background: var(--blue);
  color: #fff;
  filter: brightness(1.05);
}
.btn-m4-next:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}
</style>
<link rel="stylesheet" href="../../assets/molgate.css" onerror="this.onerror=null;this.href='/assets/molgate.css'">
<link rel="stylesheet" href="../../assets/molgate_panel_scale.css" onerror="this.onerror=null;this.href='/assets/molgate_panel_scale.css'">
<link rel="stylesheet" href="../../assets/molgate_ai_sidebar.css" onerror="this.onerror=null;this.href='/assets/molgate_ai_sidebar.css'">
<script src="../../assets/molgate.js" onerror="this.onerror=null;this.src='/molgate_ui_shared.js'"></script>
</head>
<body data-molgate-module="3">

<div class="mg-top-bar">
  <div class="mg-toolbar">
    <button type="button" class="nav-btn" id="mgNavPrev" onclick="molgateNavPrev()" data-zh="← 上一頁" data-en="← Previous">← 上一頁</button>
    <button type="button" class="nav-btn" id="mgNavNext" onclick="molgateNavNext()" data-zh="下一頁 →" data-en="Next →">下一頁 →</button>
    <div class="theme-btns" aria-label="Theme">
      <button type="button" class="theme-btn active" data-theme="dark" onclick="setTheme('dark')" data-zh="深色" data-en="Dark">深色</button>
      <button type="button" class="theme-btn" data-theme="light" onclick="setTheme('light')" data-zh="淺色" data-en="Light">淺色</button>
    </div>
    <div class="lang-btns">
      <button type="button" class="lang-btn active" data-lang="zh" onclick="molgateSetLang('zh')">中文</button>
      <button type="button" class="lang-btn" data-lang="en" onclick="molgateSetLang('en')">EN</button>
    </div>
  </div>
</div>
<div class="mg-chrome">
  <div class="header">
    <div class="molgate-logo">
      <div class="molgate-logo-main"><span class="logo-mol">Drug</span><span class="logo-gate">Ops</span></div>
      <div class="logo-sub">CreaDrug · module-3 · protein-prep</div>
    </div>
  </div>
  <div class="header-meta session-info">
    <div>session <b id="sid">—</b></div>
    <div>target <b id="tgt">—</b> · pdb <b id="pdb">—</b></div>
  </div>
</div>

<div class="app-shell">
  <div class="main-col">
<div class="main">
<div class="panel-toolbar">
  <label class="lbl-tb" for="sessionInput">SESSION</label>
  <input id="sessionInput" type="text" placeholder="16 位 hex,例 93e44ebf6158878c" autocomplete="off" list="sessionList">
  <datalist id="sessionList"></datalist>
  <label class="lbl-tb" for="targetInput">TARGET</label>
  <input id="targetInput" type="text" placeholder="由 stage_03 帶入,可改">
  <button type="button" class="btn btn-ghost" id="btnLoad" onclick="loadStatus()">載入狀態</button>
  <span class="action-note" id="toolbarNote">先載入 session,再執行引擎(經 gateway :8780 代理,無需另開終端)</span>
</div>

<div class="pipeline-track">

<!-- ═══ ENGINE A ═══ -->
<div class="engine active open" id="engA">
  <div class="engine-header">
    <div class="engine-badge">ENGINE A</div>
    <div>
      <div class="engine-title" id="engATitleMain">全自動清理層</div>
      <div class="engine-subtitle" id="engASubtitle">Stage 10 / 11 / 12 / 13 / 14 → cleaned.pdb</div>
    </div>
  </div>
  <div class="engine-body">
    <div class="stage-list" id="stagesA">
      <div class="stage-row"><span class="stage-num">10</span><span class="stage-name">蛋白家族分類</span><span class="stage-val">—</span><span class="stage-status s-auto" style="display:none">AUTO</span></div>
      <div class="stage-row"><span class="stage-num">11</span><span class="stage-name">結構態確認</span><span class="stage-val">—</span><span class="stage-status s-auto" style="display:none">AUTO</span></div>
      <div class="stage-row"><span class="stage-num">12</span><span class="stage-name">污染鏈移除</span><span class="stage-val">—</span><span class="stage-status s-auto" style="display:none">AUTO</span></div>
      <div class="stage-row"><span class="stage-num">13</span><span class="stage-name">缺失環評估</span><span class="stage-val">—</span><span class="stage-status s-auto" style="display:none">AUTO</span></div>
      <div class="stage-row"><span class="stage-num">14</span><span class="stage-name">去結晶水</span><span class="stage-val">—</span><span class="stage-status s-auto" style="display:none">AUTO</span></div>
    </div>
    <div class="action-bar">
      <div class="action-bar-row">
        <button class="btn btn-primary" id="btnA" onclick="runEngineA()">▶ Run Engine A</button>
      </div>
      <span class="action-note" id="noteA">狀態:待執行(全自動)</span>
    </div>
    <div class="log-box" id="logA" style="display:none"></div>
  </div>
</div>

<div class="connector"><div class="connector-line"></div><div class="connector-label">cleaned.pdb</div><div class="connector-line"></div></div>

<!-- ═══ ENGINE B ═══ -->
<div class="engine open" id="engB">
  <div class="engine-header">
    <div class="engine-badge">ENGINE B</div>
    <div>
      <div class="engine-title">人機決策層</div>
      <div class="engine-subtitle">Stage 15 / 17 + Flag 16 / 18 → prep_decisions.json</div>
    </div>
  </div>
  <div class="engine-body">
    <div class="stage-list" id="stagesB">
      <div class="stage-row"><span class="stage-num">15</span><span class="stage-name">輔因子/金屬</span><span class="stage-val">—</span><span class="stage-status" style="display:none"></span></div>
      <div class="stage-row skip"><span class="stage-num">16</span><span class="stage-name">PROPKA 滴定態</span><span class="stage-val">占位跳過</span><span class="stage-status s-skip">SKIPPED</span></div>
      <div class="stage-row"><span class="stage-num">17</span><span class="stage-name">關鍵殘基 Override</span><span class="stage-val">—</span><span class="stage-status" style="display:none"></span></div>
      <div class="stage-row skip"><span class="stage-num">18</span><span class="stage-name">鹽橋分析</span><span class="stage-val">占位跳過</span><span class="stage-status s-skip">SKIPPED</span></div>
    </div>

    <div class="het-select-panel" id="hetSelectPanel" style="display:none;">
      <div class="het-actions">
        <button type="button" class="btn btn-ghost btn-sm" id="btnS15Pick" onclick="setS15Mode('pick')">逐一挑選</button>
        <button type="button" class="btn btn-ghost btn-sm" id="btnS15RemoveAll" onclick="applyS15RemoveAll()">全部刪除</button>
        <span class="het-count" id="hetSelectCount"></span>
      </div>
      <div style="overflow-x:auto;">
        <table class="het-table">
          <thead>
            <tr><th>Resname</th><th>Chain</th><th>ResSeq</th><th>操作</th></tr>
          </thead>
          <tbody id="hetSelectBody">
            <tr><td colspan="4" style="color:var(--text3);">—</td></tr>
          </tbody>
        </table>
      </div>
    </div>

    <div class="action-bar">
      <div class="action-bar-row">
        <button class="btn btn-primary" id="btnB" onclick="runEngineB()" disabled>▶ Run Engine B</button>
      </div>
      <span class="action-note" id="noteB">等待 Engine A 完成</span>
    </div>
    <div class="log-box" id="logB" style="display:none"></div>
    <div class="flag-row" id="flagsB" style="display:none"></div>
  </div>
</div>

<div class="connector"><div class="connector-line"></div><div class="connector-label">prep_decisions.json</div><div class="connector-line"></div></div>

<!-- ═══ ENGINE C ═══ -->
<div class="engine open" id="engC">
  <div class="engine-header">
    <div class="engine-badge">ENGINE C</div>
    <div>
      <div class="engine-title"><span id="engCTitleMain">Receptor 準備</span><span class="prep-eta-inline" id="engCEta"> · 預估 4~8 分鐘</span></div>
      <div class="engine-subtitle" id="engCSubtitle">Stage 19 / 20 → receptor.pdbqt</div>
    </div>
  </div>
  <div class="engine-body">
    <div class="stage-list" id="stagesC">
      <div class="stage-row"><span class="stage-num">19</span><span class="stage-name">apo PDB → PDBQT</span><span class="stage-val">—</span><span class="stage-status" style="display:none"></span></div>
      <div class="stage-row"><span class="stage-num">20</span><span class="stage-name">幾何 QC</span><span class="stage-val">—</span><span class="stage-status" style="display:none"></span></div>
    </div>
    <div class="action-bar">
      <div class="action-bar-row">
        <div class="engine-select-group">
          <label class="radio-btn"><input type="radio" name="eng" value="auto" checked><span>auto</span></label>
          <label class="radio-btn"><input type="radio" name="eng" value="obabel"><span>obabel</span></label>
          <label class="radio-btn"><input type="radio" name="eng" value="meeko"><span>meeko</span></label>
        </div>
        <button class="btn btn-primary" id="btnC" onclick="runEngineC()" disabled>▶ Run Engine C</button>
      </div>
      <span class="action-note" id="noteC">狀態:等待 Engine B 完成</span>
    </div>
    <div class="log-box" id="logC" style="display:none"></div>
  </div>
</div>

<!-- ═══ SUMMARY ═══ -->
<div class="summary-bar" id="summary">
  <div class="summary-title">MODULE 3 COMPLETE ✓</div>
  <div class="summary-grid">
    <div class="summary-item"><div class="lbl">cleaned.pdb</div><div class="val" id="sumClean">—</div></div>
    <div class="summary-item"><div class="lbl">chains 保留</div><div class="val" id="sumChains">—</div></div>
    <div class="summary-item"><div class="lbl">水分子移除</div><div class="val" id="sumWater">—</div></div>
    <div class="summary-item"><div class="lbl">receptor.pdbqt</div><div class="val" id="sumPdbqt">—</div></div>
    <div class="summary-item"><div class="lbl">引擎</div><div class="val" id="sumEngine">—</div></div>
    <div class="summary-item"><div class="lbl">Flags</div><div class="val" id="sumFlags">—</div></div>
  </div>
  <div class="summary-actions">
    <a class="btn-creadrug-3d" id="btnCreadrug3dSummary" href="#" target="_blank" rel="noopener noreferrer"
       data-zh="🔬 看 3D 結構(CreaDrug)" data-en="🔬 View 3D structure (CreaDrug)">🔬 看 3D 結構(CreaDrug)</a>
    <button type="button" class="btn-m4-next" id="btnGoModule4Summary" onclick="goModule4()"
       data-zh="繼續 Module 4 →" data-en="Continue to Module 4 →">繼續 Module 4 →</button>
  </div>
</div>

</div><!-- pipeline-track -->
</div><!-- main -->
  </div><!-- main-col -->

  <aside class="mg-ai-sidebar" id="mgAiSidebar">
    <div class="mg-ai-head">
      <h2 data-zh="170B · AI 助手" data-en="170B · AI Assistant">170B · AI 助手</h2>
      <div class="mg-ai-opts">
        <label><input type="checkbox" id="mgAiShowRaw"> <span data-zh="顯示原始串流(含思考/CoT 類文字)" data-en="Show raw stream (CoT)">顯示原始串流(含思考/CoT 類文字)</span></label>
        <label><input type="checkbox" id="mgAiStream" checked> <span data-zh="串流輸出" data-en="Stream output">串流輸出</span></label>
      </div>
    </div>
    <div class="mg-ai-scroll">
      <div class="mg-ai-static" id="mgAiStatic">
        <div class="mg-ai-hint-box" data-zh="可詢問蛋白清理、Stage 15 輔因子決策與 receptor 準備相關問題。" data-en="Ask about protein cleanup, Stage 15 cofactors, and receptor prep.">可詢問蛋白清理、Stage 15 輔因子決策與 receptor 準備相關問題。</div>
      </div>
      <div class="mg-ai-messages" id="mgAiMessages" aria-live="polite"></div>
    </div>
    <div class="mg-ai-foot">
      <div class="mg-ai-input-row">
        <textarea id="mgAiInput" rows="2" placeholder="輸入訊息…(Enter 送出,Shift+Enter 換行)"></textarea>
        <button type="button" class="btn-mg-ai-send" id="mgAiSend" data-zh="送出" data-en="Send">送出</button>
      </div>
      <div class="mg-ai-actions">
        <button type="button" class="btn btn-ghost" id="mgAiStop" disabled data-zh="停止生成" data-en="Stop">停止生成</button>
        <button type="button" class="btn btn-ghost" id="mgAiClear" data-zh="清除對話" data-en="Clear chat">清除對話</button>
      </div>
      <p class="mg-ai-foot-hint">經同源後端轉發至 <strong>170B AI</strong> 推理服務。</p>
    </div>
  </aside>
</div><!-- app-shell -->

<script>
// DrugOps Module 3 panel — 與 molgate_module3_server.py 連線(同源 /api)

function toggle(id) {
  document.getElementById(id).classList.toggle('open');
}

function setEngineState(id, state) {
  const el = document.getElementById(id);
  el.classList.remove('active','running','needs-input','done','error');
  if (state) el.classList.add(state);
  const badge = el.querySelector('.engine-badge');
  const labels = { active:'READY', running:'RUNNING...', 'needs-input':'ACTION NEEDED', done:'DONE ✓', error:'ERROR' };
  const prefix = id === 'engA' ? 'ENGINE A' : id === 'engB' ? 'ENGINE B' : 'ENGINE C';
  badge.textContent = state ? `${prefix} · ${labels[state]||state}` : prefix;
}

function setStageResult(listId, stageIdx, val, statusClass, statusText) {
  const rows = document.querySelectorAll(`#${listId} .stage-row`);
  if (!rows[stageIdx]) return;
  const row = rows[stageIdx];
  row.querySelector('.stage-val').textContent = val;
  const s = row.querySelector('.stage-status');
  if (!statusText) {
    s.style.display = 'none';
    return;
  }
  s.className = 'stage-status ' + statusClass;
  s.textContent = statusText;
  s.style.display = '';
}

function clearLog(logId) {
  const box = document.getElementById(logId);
  box.innerHTML = '';
  box.style.display = 'none';
}

function appendLog(logId, msg, cls='') {
  const box = document.getElementById(logId);
  box.style.display = '';
  const line = document.createElement('div');
  if (cls) line.className = cls;
  line.textContent = msg;
  box.appendChild(line);
  box.scrollTop = box.scrollHeight;
}

function flushLog(logId, text, ok) {
  clearLog(logId);
  if (!text) return;
  const cls = ok ? 'ok' : 'err';
  text.split('\n').forEach(line => {
    if (line.length) appendLog(logId, line, cls);
  });
}

function applyFlagsFromPrep(prep) {
  const flagRow = document.getElementById('flagsB');
  const flags = (prep && prep.flags) ? prep.flags : [];
  if (!flags.length) {
    flagRow.style.display = 'none';
    flagRow.innerHTML = '';
    return;
  }
  flagRow.style.display = '';
  flagRow.innerHTML = flags.map(f => {
    const skip = /SKIPPED/i.test(f);
    return `<span class="flag ${skip ? 'skip' : 'warn'}">${escapeHtml(String(f))}</span>`;
  }).join('');
}

function escapeHtml(s) {
  return s.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
}

let M3_HET_DETECTED = [];
let M3_HET_CHOICE = {};
let M3_S15_NEEDS_CONFIRM = false;
let M3_S15_SCANNED = false;
let M3_S15_MODE = null;
let M3_S15_READY = false;

function hetKey(d) {
  return `${d.resname}|${d.chain}|${d.resseq}`;
}

function setS15Mode(mode) {
  M3_S15_MODE = mode;
  M3_HET_CHOICE = {};
  M3_S15_READY = false;
  document.getElementById('btnS15Pick').classList.toggle('het-mode-on', mode === 'pick');
  document.getElementById('btnS15RemoveAll').classList.remove('het-mode-on');
  if (M3_HET_DETECTED.length) renderHetRows();
  updateHetSelectCount();
  updateEngineBNote();
}

function applyS15RemoveAll() {
  M3_S15_MODE = 'remove_all';
  M3_HET_CHOICE = {};
  M3_HET_DETECTED.forEach((_, i) => { M3_HET_CHOICE[i] = 'remove'; });
  M3_S15_READY = true;
  document.getElementById('btnS15Pick').classList.remove('het-mode-on');
  document.getElementById('btnS15RemoveAll').classList.add('het-mode-on');
  renderHetRows();
  updateHetSelectCount();
  updateEngineBNote();
}

function setHetChoice(i, choice) {
  M3_S15_MODE = 'pick';
  M3_HET_CHOICE[i] = choice;
  document.getElementById('btnS15Pick').classList.add('het-mode-on');
  document.getElementById('btnS15RemoveAll').classList.remove('het-mode-on');
  const row = document.getElementById('het-row-' + i);
  if (row) {
    row.querySelector('[data-act=keep]').classList.toggle('on-keep', choice === 'keep');
    row.querySelector('[data-act=remove]').classList.toggle('on-remove', choice === 'remove');
  }
  M3_S15_READY = M3_HET_DETECTED.every((_, j) => M3_HET_CHOICE[j] === 'keep' || M3_HET_CHOICE[j] === 'remove');
  updateHetSelectCount();
  updateEngineBNote();
}

function renderHetRows() {
  const tbody = document.getElementById('hetSelectBody');
  tbody.innerHTML = M3_HET_DETECTED.map((d, i) => {
    const c = M3_HET_CHOICE[i];
    return `<tr id="het-row-${i}">
      <td>${escapeHtml(String(d.resname))}</td>
      <td>${escapeHtml(String(d.chain))}</td>
      <td>${escapeHtml(String(d.resseq))}</td>
      <td><div class="het-row-btns">
        <button type="button" data-act="keep" class="${c === 'keep' ? 'on-keep' : ''}" onclick="setHetChoice(${i},'keep')">保留</button>
        <button type="button" data-act="remove" class="${c === 'remove' ? 'on-remove' : ''}" onclick="setHetChoice(${i},'remove')">刪除</button>
      </div></td>
    </tr>`;
  }).join('');
}

function resetStage15UiState() {
  M3_HET_DETECTED = [];
  M3_HET_CHOICE = {};
  M3_S15_MODE = null;
  M3_S15_READY = false;
  M3_S15_NEEDS_CONFIRM = false;
  M3_S15_SCANNED = false;
}

function renderHetSelectPanel(detected, indexFlagged, needsConfirm) {
  const panel = document.getElementById('hetSelectPanel');
  M3_HET_DETECTED = detected || [];
  M3_HET_CHOICE = {};
  M3_S15_MODE = null;
  M3_S15_READY = false;
  M3_S15_NEEDS_CONFIRM = !!needsConfirm || M3_HET_DETECTED.length > 0 || (indexFlagged || []).length > 0;
  M3_S15_SCANNED = true;
  document.getElementById('btnS15Pick').classList.remove('het-mode-on');
  document.getElementById('btnS15RemoveAll').classList.remove('het-mode-on');
  if (!M3_S15_NEEDS_CONFIRM) {
    panel.style.display = 'none';
    document.getElementById('hetSelectCount').textContent = '';
    M3_S15_READY = true;
    updateEngineBNote();
    return;
  }
  panel.style.display = '';
  if (!M3_HET_DETECTED.length && (indexFlagged || []).length) {
    document.getElementById('hetSelectBody').innerHTML =
      `<tr><td colspan="4" style="color:var(--amber);">Index 標記:${escapeHtml(indexFlagged.join(', '))} — 請按「全部刪除」或「逐一挑選」後再 Run Engine B</td></tr>`;
    document.getElementById('hetSelectCount').textContent = '須人手確認';
    updateEngineBNote();
    return;
  }
  renderHetRows();
  updateHetSelectCount();
  updateEngineBNote();
}

function updateHetSelectCount() {
  const n = M3_HET_DETECTED.length;
  const el = document.getElementById('hetSelectCount');
  if (!n) { el.textContent = ''; return; }
  if (M3_S15_MODE === 'remove_all') {
    el.textContent = `${n} 項 · 全部刪除`;
    return;
  }
  if (M3_S15_MODE === 'pick') {
    const done = M3_HET_DETECTED.filter((_, i) => M3_HET_CHOICE[i]).length;
    const kept = M3_HET_DETECTED.filter((_, i) => M3_HET_CHOICE[i] === 'keep').length;
    el.textContent = `${done}/${n} · 保留 ${kept}`;
    return;
  }
  el.textContent = `${n} 項`;
}

function collectHetKeep() {
  if (M3_S15_MODE === 'remove_all') return [];
  return M3_HET_DETECTED.filter((d, i) => M3_HET_CHOICE[i] === 'keep');
}

async function scanStage15Hets() {
  const sid = document.getElementById('sessionInput').value.trim();
  const target = currentTarget();
  if (!sid || !target) return;
  resetStage15UiState();
  const panel = document.getElementById('hetSelectPanel');
  const tbody = document.getElementById('hetSelectBody');
  panel.style.display = '';
  tbody.innerHTML = '<tr><td colspan="4" style="color:var(--text3);">掃描輔因子候選…</td></tr>';
  document.getElementById('engB').classList.add('open');
  try {
    const d = await apiGet('/api/stage15/detect?session=' + encodeURIComponent(sid) + '&target=' + encodeURIComponent(target));
    renderHetSelectPanel(d.detected || [], d.index_flagged || [], d.needs_confirm);
    if (M3_S15_NEEDS_CONFIRM) {
      setEngineState('engB', 'needs-input');
      document.getElementById('noteB').textContent = 'Stage 15:請逐一挑選或全部刪除';
    }
  } catch (e) {
    tbody.innerHTML = `<tr><td colspan="4" style="color:var(--red);">${escapeHtml(String(e))}</td></tr>`;
    M3_S15_SCANNED = false;
    updateEngineBNote();
  }
}

function syncEngineBButton(aDone, bDone) {
  const btn = document.getElementById('btnB');
  const note = document.getElementById('noteB');
  if (!aDone) { note.textContent = '等待 Engine A'; btn.disabled = true; return; }
  if (bDone) { note.textContent = '已完成'; btn.disabled = true; return; }
  if (!M3_S15_SCANNED) { note.textContent = '…'; btn.disabled = true; return; }
  if (M3_S15_NEEDS_CONFIRM && !M3_S15_READY) {
    note.textContent = M3_S15_MODE ? 'Stage 15:請完成逐項選擇' : 'Stage 15:請按「逐一挑選」或「全部刪除」';
    btn.disabled = true;
    return;
  }
  note.textContent = '';
  btn.disabled = false;
}

function updateEngineBNote() {
  const aDone = document.getElementById('btnB').getAttribute('data-a-done') === '1';
  const bDone = document.getElementById('btnB').getAttribute('data-b-done') === '1';
  syncEngineBButton(aDone, bDone);
}

function buildCreadrug3dUrl() {
  const sid = document.getElementById('sessionInput').value.trim();
  const tgt = currentTarget();
  if (typeof molgateCreadrugUrl === 'function') {
    return molgateCreadrugUrl({ view: 'receptor', session: sid, target: tgt });
  }
  const IS_FILE = location.protocol === 'file:';
  const base = IS_FILE
    ? '../../../CreaDrug24/creadrug_showboard_24.html'
    : 'https://stromapath.com/creadrug24/creadrug_showboard_24.html';
  const params = new URLSearchParams({ view: 'receptor', src: 'molgate' });
  if (sid) params.set('session', sid);
  if (tgt) params.set('target', tgt);
  if (!IS_FILE) params.set('api', location.origin);
  const sep = base.includes('?') ? '&' : '?';
  return base + sep + params.toString();
}

function buildModule4Url() {
  const sid = document.getElementById('sessionInput').value.trim();
  const tgt = currentTarget();
  if (!sid || !/^[a-fA-F0-9]{16}$/i.test(sid)) return null;
  const qs = 'session=' + encodeURIComponent(sid) + '&target=' + encodeURIComponent(tgt || '');
  return (typeof molgateModuleUrl === 'function') ? molgateModuleUrl(4, qs) : ('/module/4?' + qs);
}

function goModule4() {
  const url = buildModule4Url();
  if (!url) {
    const lang = (localStorage.getItem('molgate-lang') || 'zh') === 'en' ? 'en' : 'zh';
    alert(lang === 'en' ? 'Load a valid session and target first.' : '請先載入有效 session 與 target');
    return;
  }
  window.location.href = url;
}

function updateModule3CompleteActions(engineCDone) {
  if (!engineCDone) return;
  const url = buildCreadrug3dUrl();
  const btn3d = document.getElementById('btnCreadrug3dSummary');
  if (btn3d) btn3d.href = url;
  const btnM4 = document.getElementById('btnGoModule4Summary');
  if (btnM4) btnM4.disabled = !buildModule4Url();
}

function applyStatus(d) {
  if (!d || !d.ok) {
    document.getElementById('sid').textContent = '—';
    document.getElementById('tgt').textContent = '—';
    document.getElementById('pdb').textContent = '—';
    setEngineState('engA', '');
    setEngineState('engB', '');
    setEngineState('engC', '');
    document.getElementById('btnA').disabled = true;
    document.getElementById('btnB').disabled = true;
    document.getElementById('btnC').disabled = true;
    document.getElementById('noteB').textContent = '先載入有效 session';
    document.getElementById('noteC').textContent = prepTimeWaitNoteC();
    document.getElementById('summary').classList.remove('visible');
    return;
  }

  document.getElementById('sid').textContent = d.session_id;
  document.getElementById('tgt').textContent = d.target || '—';
  document.getElementById('pdb').textContent = d.pdb_id || '—';
  if (d.target && !document.getElementById('targetInput').value.trim()) {
    document.getElementById('targetInput').value = d.target;
  }

  (d.engine_a.stages || []).forEach((row, i) => {
    setStageResult('stagesA', i, row.val, row.statusClass, row.statusText);
  });

  (d.engine_b.stages || []).forEach((row, i) => {
    setStageResult('stagesB', i, row.val, row.statusClass, row.statusText);
  });

  (d.engine_c.stages || []).forEach((row, i) => {
    setStageResult('stagesC', i, row.val, row.statusClass, row.statusText);
  });

  applyFlagsFromPrep(d.engine_b.prep);

  const aDone = d.engine_a.complete;
  const bDone = d.engine_b.complete;
  const bStale = d.engine_b.stage15_stale;
  const effectiveBDone = bDone && !bStale;
  const cDone = d.engine_c.complete;

  document.getElementById('btnA').disabled = false;
  document.getElementById('btnB').setAttribute('data-a-done', aDone ? '1' : '0');
  document.getElementById('btnB').setAttribute('data-b-done', effectiveBDone ? '1' : '0');
  document.getElementById('btnC').disabled = !d.engine_b.ready_for_engine_e;

  setEngineState('engA', aDone ? 'done' : 'active');
  setEngineState('engB', effectiveBDone ? 'done' : (aDone ? 'active' : ''));
  setEngineState('engC', cDone ? 'done' : (d.engine_b.ready_for_engine_e ? 'active' : ''));

  document.getElementById('noteC').textContent = d.engine_b.ready_for_engine_e
    ? prepTimeReadyNoteC()
    : prepTimeWaitNoteC();

  if (effectiveBDone) {
    document.getElementById('hetSelectPanel').style.display = 'none';
  } else if (!aDone) {
    resetStage15UiState();
    document.getElementById('hetSelectPanel').style.display = 'none';
  }
  syncEngineBButton(aDone, effectiveBDone);

  const sm = d.summary || {};
  if (cDone) {
    document.getElementById('sumClean').textContent = sm.cleaned_rel || '—';
    document.getElementById('sumChains').textContent = sm.chains || '—';
    document.getElementById('sumWater').textContent = sm.water_removed || '—';
    document.getElementById('sumPdbqt').textContent = sm.receptor_rel || '—';
    document.getElementById('sumEngine').textContent = sm.engine_c || '—';
    const fl = sm.flags && sm.flags.length ? sm.flags.join(' · ') : '—';
    document.getElementById('sumFlags').textContent = fl;
    document.getElementById('summary').classList.add('visible');
  } else {
    document.getElementById('summary').classList.remove('visible');
  }
  updateModule3CompleteActions(cDone);
  return { aDone, effectiveBDone, bStale };
}

async function apiGet(path) {
  const url = (typeof molgateResolveUrl === 'function') ? molgateResolveUrl(path) : path;
  const r = await fetch(url);
  if (!r.ok) throw new Error(await r.text());
  return r.json();
}

async function apiPostRun(body) {
  const runUrl = (typeof molgateResolveUrl === 'function') ? molgateResolveUrl('/api/run') : '/api/run';
  const r = await fetch(runUrl, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify(body),
  });
  let j;
  try {
    j = await r.json();
  } catch (_) {
    throw new Error('後端回應不是 JSON(請確認已啟動 molgate_module3_server.py)');
  }
  if (j.error && !j.status) throw new Error(j.error);
  return j;
}

async function loadSessionList() {
  try {
    const j = await apiGet('/api/sessions');
    const dl = document.getElementById('sessionList');
    dl.innerHTML = (j.sessions || []).map(s => `<option value="${s}">`).join('');
  } catch (_) { /* ignore */ }
}

async function maybeScanStage15AfterStatus(flags) {
  if (!flags) return;
  const { aDone, effectiveBDone, bStale } = flags;
  if (aDone && (!effectiveBDone || bStale)) {
    await scanStage15Hets();
  }
}

async function loadStatus() {
  const sid = document.getElementById('sessionInput').value.trim();
  document.getElementById('toolbarNote').textContent = '讀取中…';
  try {
    const d = await apiGet('/api/status?session=' + encodeURIComponent(sid));
    const flags = applyStatus(d);
    await maybeScanStage15AfterStatus(flags);
    document.getElementById('toolbarNote').textContent = d.ok ? '已同步磁碟 stage JSON' : (d.error || '錯誤');
  } catch (e) {
    document.getElementById('toolbarNote').textContent =
      '無法連線後端 — 請執行 bin\\restart_clean.bat(gateway 會自動啟動 Module 3 後端 :8765)';
    console.error(e);
  }
}

function currentTarget() {
  const t = document.getElementById('targetInput').value.trim();
  const t2 = document.getElementById('tgt').textContent.trim();
  return t || (t2 && t2 !== '—' ? t2 : '');
}

function prepTimeRunningNoteA() {
  return (localStorage.getItem('molgate-lang') || 'zh') === 'en'
    ? 'Status: running…'
    : '狀態:執行中…';
}

function prepTimeRunningNoteC() {
  return prepTimeRunningNoteA();
}

function prepTimeIdleNoteA() {
  return (localStorage.getItem('molgate-lang') || 'zh') === 'en'
    ? 'Status: ready to run (automated)'
    : '狀態:待執行(全自動)';
}

function prepTimeIdleNoteC() {
  return (localStorage.getItem('molgate-lang') || 'zh') === 'en'
    ? 'Status: waiting for Engine B'
    : '狀態:等待 Engine B 完成';
}

function prepTimeReadyNoteC() {
  return (localStorage.getItem('molgate-lang') || 'zh') === 'en'
    ? 'Status: ready — click Run Engine C'
    : '狀態:可執行 — 請按 Run Engine C';
}

function prepTimeWaitNoteC() {
  return prepTimeIdleNoteC();
}


async function runEngineA() {
  const sid = document.getElementById('sessionInput').value.trim();
  const target = currentTarget();
  if (!sid || !target) { alert('請填 session 與 target'); return; }
  const btn = document.getElementById('btnA');
  const noteA = document.getElementById('noteA');
  btn.disabled = true;
  if (noteA) noteA.textContent = prepTimeRunningNoteA();
  setEngineState('engA', 'running');
  clearLog('logA');
  try {
    const j = await apiPostRun({ engine: 'a', session: sid, target });
    flushLog('logA', j.output || '', j.ok);
    resetStage15UiState();
    const flags = applyStatus(j.status);
    if (!j.ok) setEngineState('engA', 'error');
    else await maybeScanStage15AfterStatus(flags);
    if (noteA) noteA.textContent = prepTimeIdleNoteA();
  } catch (e) {
    appendLog('logA', String(e), 'err');
    setEngineState('engA', 'error');
    if (noteA) noteA.textContent = prepTimeIdleNoteA();
    await loadStatus();
  }
}

async function runEngineB() {
  const sid = document.getElementById('sessionInput').value.trim();
  const target = currentTarget();
  if (!sid || !target) { alert('請填 session 與 target'); return; }
  if (!M3_S15_SCANNED) {
    alert('請先完成 Stage 15 掃描(Engine A 完成後會自動掃描)');
    return;
  }
  if (M3_S15_NEEDS_CONFIRM && !M3_S15_READY) {
    alert('請先按「逐一挑選」或「全部刪除」,完成 Stage 15 人機決策後再 Run Engine B');
    return;
  }
  if (M3_S15_NEEDS_CONFIRM && !M3_S15_MODE) {
    alert('請先選擇「逐一挑選」或「全部刪除」');
    return;
  }
  const btn = document.getElementById('btnB');
  btn.disabled = true;
  setEngineState('engB', 'running');
  clearLog('logB');
  const body = { engine: 'b', session: sid, target };
  if (M3_S15_NEEDS_CONFIRM) {
    body.stage15_confirmed = true;
    body.stage15_mode = M3_S15_MODE;
    body.stage15_keep = collectHetKeep();
  }
  try {
    const j = await apiPostRun(body);
    flushLog('logB', j.output || '', j.ok);
    const flags = applyStatus(j.status);
    await maybeScanStage15AfterStatus(flags);
    if (!j.ok) setEngineState('engB', 'error');
  } catch (e) {
    appendLog('logB', String(e), 'err');
    setEngineState('engB', 'error');
    await loadStatus();
  }
}

async function runEngineC() {
  const sid = document.getElementById('sessionInput').value.trim();
  const target = currentTarget();
  if (!sid || !target) { alert('請填 session 與 target'); return; }
  const engine_c = document.querySelector('input[name="eng"]:checked').value;
  const btn = document.getElementById('btnC');
  const noteC = document.getElementById('noteC');
  btn.disabled = true;
  if (noteC) noteC.textContent = prepTimeRunningNoteC();
  setEngineState('engC', 'running');
  clearLog('logC');
  try {
    const j = await apiPostRun({ engine: 'c', session: sid, target, engine_c });
    flushLog('logC', j.output || '', j.ok);
    applyStatus(j.status);
    if (!j.ok) setEngineState('engC', 'error');
    if (noteC) noteC.textContent = prepTimeIdleNoteC();
  } catch (e) {
    appendLog('logC', String(e), 'err');
    setEngineState('engC', 'error');
    if (noteC) noteC.textContent = prepTimeIdleNoteC();
    await loadStatus();
  }
}

const M3_I18N = {
  zh: {
    btnLoad: '載入狀態',
    toolbarNote: '先載入 session,再執行引擎',
    engA_title: '全自動清理層',
    engA_sub: 'Stage 10 / 11 / 12 / 13 / 14 → cleaned.pdb',
    engB_title: '人機決策層',
    engB_sub: 'Stage 15 / 17 + Flag 16 / 18 → prep_decisions.json',
    engC_title: 'Receptor 準備',
    engC_eta: ' · 預估 4~8 分鐘',
    engC_sub: 'Stage 19 / 20 → receptor.pdbqt',
    runA: '▶ Run Engine A',
    noteA: '狀態:待執行(全自動)',
    noteC_ready: '狀態:可執行 — 請按 Run Engine C',
    noteC_wait: '狀態:等待 Engine B 完成',
    runB: '▶ Run Engine B',
    runC: '▶ Run Engine C',
    creadrug3d: '🔬 看 3D 結構(CreaDrug)',
    goModule4: '繼續 Module 4 →',
  },
  en: {
    btnLoad: 'Load status',
    toolbarNote: 'Load session first, then run engines',
    engA_title: 'Automated cleanup',
    engA_sub: 'Stage 10–14 → cleaned.pdb',
    engB_title: 'Human-in-the-loop',
    engB_sub: 'Stage 15 / 17 + flags → prep_decisions.json',
    engC_title: 'Receptor prep',
    engC_eta: ' · est. 4–8 min',
    engC_sub: 'Stage 19 / 20 → receptor.pdbqt',
    runA: '▶ Run Engine A',
    noteA: 'Status: ready to run (automated)',
    noteC_ready: 'Status: ready — click Run Engine C',
    noteC_wait: 'Status: waiting for Engine B',
    runB: '▶ Run Engine B',
    runC: '▶ Run Engine C',
    creadrug3d: '🔬 View 3D structure (CreaDrug)',
    goModule4: 'Continue to Module 4 →',
  },
};

function applyM3Lang(l) {
  const lang = l === 'en' ? 'en' : 'zh';
  const t = M3_I18N[lang] || M3_I18N.zh;
  const set = (id, key) => { const el = document.getElementById(id); if (el && t[key]) el.textContent = t[key]; };
  set('btnLoad', 'btnLoad');
  set('toolbarNote', 'toolbarNote');
  const engATitleMain = document.getElementById('engATitleMain');
  if (engATitleMain) engATitleMain.textContent = t.engA_title;
  const engASubtitle = document.getElementById('engASubtitle');
  if (engASubtitle) engASubtitle.textContent = t.engA_sub;
  const engB = document.querySelector('#engB .engine-title');
  const engBs = document.querySelector('#engB .engine-subtitle');
  if (engB) engB.textContent = t.engB_title;
  if (engBs) engBs.textContent = t.engB_sub;
  const engCTitleMain = document.getElementById('engCTitleMain');
  const engCEta = document.getElementById('engCEta');
  if (engCTitleMain) engCTitleMain.textContent = t.engC_title;
  if (engCEta) engCEta.textContent = t.engC_eta;
  const engCSubtitle = document.getElementById('engCSubtitle');
  if (engCSubtitle) engCSubtitle.textContent = t.engC_sub;
  const btnA = document.getElementById('btnA');
  if (btnA) btnA.textContent = t.runA;
  const noteA = document.getElementById('noteA');
  if (noteA) noteA.textContent = t.noteA;
  const noteC = document.getElementById('noteC');
  if (noteC) {
    const btnC = document.getElementById('btnC');
    noteC.textContent = (btnC && !btnC.disabled) ? t.noteC_ready : t.noteC_wait;
  }
  const btnB = document.getElementById('btnB');
  if (btnB) btnB.textContent = t.runB;
  const btnC = document.getElementById('btnC');
  if (btnC) btnC.textContent = t.runC;
  document.querySelectorAll('.btn-creadrug-3d').forEach((el) => {
    if (t.creadrug3d) el.textContent = t.creadrug3d;
  });
  document.querySelectorAll('.btn-m4-next').forEach((el) => {
    if (t.goModule4) el.textContent = t.goModule4;
  });
}

window.molgatePanelSetLang = applyM3Lang;

(function init() {
  loadSessionList();
  const params = new URLSearchParams(location.search);
  const q = params.get('session');
  const tg = params.get('target');
  if (tg) document.getElementById('targetInput').value = tg.trim();
  if (q) {
    document.getElementById('sessionInput').value = q;
    loadStatus();
  }
  try { applyM3Lang(localStorage.getItem('molgate-lang') || 'zh'); } catch (_) {}
})();
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