mikael-lovqvists-claude-agent
9aba8057a8
- protocol.yaml: SSoT for the binary framing protocol (12 record types) - codegen/gen.mjs: generates C header/source and Node ESM from protocol.yaml - c-backend: ALSA sequencer with drift-free clock_nanosleep tick thread, pattern store (hierarchical sub-patterns), Unix socket server - node-server: Express 5 web app — REST API, SSE for real-time beat events, step-sequencer frontend with pending-edit / explicit-save flow Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
238 lines
6.2 KiB
HTML
238 lines
6.2 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>MIDI Sequencer</title>
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<style>
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*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
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:root {
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--bg: #1a1a2e;
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--surface: #16213e;
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--surface2: #0f3460;
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--accent: #e94560;
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--accent2: #533483;
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--text: #eaeaea;
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--text-dim: #888;
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--step-off: #1e2a42;
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--step-on: #e94560;
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--step-pend: #7a2233;
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--step-active: #f0a500;
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--border: #2a3a5e;
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--radius: 6px;
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}
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body {
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background: var(--bg);
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color: var(--text);
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font-family: 'Courier New', monospace;
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font-size: 14px;
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min-height: 100vh;
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display: flex;
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flex-direction: column;
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}
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header {
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background: var(--surface);
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border-bottom: 1px solid var(--border);
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padding: 12px 20px;
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display: flex;
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align-items: center;
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gap: 16px;
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}
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header h1 { font-size: 18px; letter-spacing: 2px; color: var(--accent); }
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.status-dot {
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width: 8px; height: 8px; border-radius: 50%;
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background: #444;
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transition: background 0.3s;
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}
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.status-dot.connected { background: #2ecc71; }
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.status-dot.playing { background: var(--accent); animation: pulse 0.5s infinite alternate; }
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@keyframes pulse { from { opacity: 1; } to { opacity: 0.4; } }
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main { flex: 1; display: flex; gap: 0; }
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/* Sidebar */
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.sidebar {
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width: 240px;
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background: var(--surface);
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border-right: 1px solid var(--border);
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display: flex;
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flex-direction: column;
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padding: 12px;
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gap: 12px;
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}
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.sidebar h2 { font-size: 11px; letter-spacing: 2px; color: var(--text-dim); text-transform: uppercase; }
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.pattern-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; }
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.pattern-item {
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padding: 8px 10px;
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border-radius: var(--radius);
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cursor: pointer;
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border: 1px solid transparent;
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display: flex;
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align-items: center;
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gap: 8px;
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}
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.pattern-item:hover { background: var(--surface2); }
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.pattern-item.active { border-color: var(--accent); background: var(--surface2); }
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.pattern-item .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
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.pattern-item .steps { font-size: 11px; color: var(--text-dim); }
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/* Transport */
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.transport {
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display: flex; gap: 8px; flex-wrap: wrap;
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}
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/* Content area */
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.content {
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flex: 1;
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padding: 20px;
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display: flex;
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flex-direction: column;
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gap: 16px;
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overflow-y: auto;
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}
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.panel {
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background: var(--surface);
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border: 1px solid var(--border);
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border-radius: var(--radius);
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padding: 16px;
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}
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.panel-header {
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display: flex;
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align-items: center;
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gap: 12px;
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margin-bottom: 14px;
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}
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.panel-header h2 { font-size: 12px; letter-spacing: 2px; color: var(--text-dim); text-transform: uppercase; }
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/* Buttons */
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button {
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background: var(--surface2);
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color: var(--text);
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border: 1px solid var(--border);
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border-radius: var(--radius);
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padding: 6px 14px;
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cursor: pointer;
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font-family: inherit;
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font-size: 13px;
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transition: background 0.15s;
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}
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button:hover { background: var(--accent2); border-color: var(--accent2); }
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button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
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button.primary:hover { background: #c73452; }
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button.danger { background: #7a1a2e; border-color: #9b2a3e; }
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button.danger:hover { background: #9b2a3e; }
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button:disabled { opacity: 0.4; cursor: not-allowed; }
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/* Inputs */
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input, select {
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background: var(--bg);
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color: var(--text);
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border: 1px solid var(--border);
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border-radius: var(--radius);
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padding: 5px 10px;
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font-family: inherit;
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font-size: 13px;
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}
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input:focus, select:focus { outline: none; border-color: var(--accent); }
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input[type="number"] { width: 80px; }
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label { font-size: 12px; color: var(--text-dim); }
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.field-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
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/* Step grid */
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.step-grid {
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display: grid;
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gap: 4px;
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}
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.note-row {
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display: flex;
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align-items: center;
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gap: 4px;
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}
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.note-label {
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width: 36px;
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text-align: right;
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font-size: 11px;
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color: var(--text-dim);
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flex-shrink: 0;
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}
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.step-btn {
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width: 28px;
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height: 28px;
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border-radius: 3px;
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background: var(--step-off);
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border: 1px solid var(--border);
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cursor: pointer;
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padding: 0;
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position: relative;
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transition: background 0.05s;
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flex-shrink: 0;
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}
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.step-btn.on { background: var(--step-on); border-color: var(--accent); }
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.step-btn.pending { background: var(--step-pend); border-color: #7a2233; }
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.step-btn.current { box-shadow: 0 0 0 2px var(--step-active); }
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/* Velocity bar inside step button */
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.step-btn .vel-bar {
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position: absolute;
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bottom: 0; left: 0; right: 0;
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height: 3px;
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background: rgba(255,255,255,0.4);
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border-radius: 0 0 3px 3px;
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}
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.empty-state { color: var(--text-dim); text-align: center; padding: 40px; }
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.sub-ref-list { display: flex; flex-direction: column; gap: 4px; }
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.sub-ref-item {
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display: flex; align-items: center; gap: 8px;
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background: var(--surface2); border-radius: var(--radius); padding: 6px 10px;
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font-size: 12px;
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}
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.sub-ref-item .label { flex: 1; }
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</style>
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</head>
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<body>
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<header>
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<h1>MIDI SEQUENCER</h1>
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<div class="status-dot" id="backend-dot" title="Backend connection"></div>
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<div class="status-dot" id="play-dot" title="Playing"></div>
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<span id="status-label" style="font-size:12px;color:var(--text-dim)">disconnected</span>
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<div style="flex:1"></div>
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<label>BPM</label>
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<input type="number" id="bpm-input" value="120" min="1" max="300" step="0.1" style="width:70px">
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<button id="set-tempo-btn">Set Tempo</button>
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</header>
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<main>
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<aside class="sidebar">
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<h2>Patterns</h2>
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<div class="transport">
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<button id="play-btn" class="primary">▶ Play</button>
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<button id="stop-btn">■ Stop</button>
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</div>
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<div class="pattern-list" id="pattern-list"></div>
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<button id="new-pattern-btn">+ New Pattern</button>
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</aside>
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<div class="content" id="content">
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<div class="empty-state">Select or create a pattern to get started.</div>
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</div>
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</main>
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<script type="module" src="app.mjs"></script>
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</body>
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</html>
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