Initial bass-manage Qt Quick / Kirigami control panel.

PipeWire LFE/center mix UI with live pw-cli controls and conf save/reload.

icons/align-center-horizontal.svg

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+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="#000000"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="M2 12h20" />
+  <path d="M10 16v4a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2v-4" />
+  <path d="M10 8V4a2 2 0 0 0-2-2H6a2 2 0 0 0-2 2v4" />
+  <path d="M20 16v1a2 2 0 0 1-2 2h-2a2 2 0 0 1-2-2v-1" />
+  <path d="M14 8V7c0-1.1.9-2 2-2h2a2 2 0 0 1 2 2v1" />
+</svg>

icons/audio-lines.svg

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+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="#000000"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="M2 10v3" />
+  <path d="M6 6v11" />
+  <path d="M10 3v18" />
+  <path d="M14 8v7" />
+  <path d="M18 5v13" />
+  <path d="M22 10v3" />
+</svg>

icons/refresh-cw.svg

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+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="#000000"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="M3 12a9 9 0 0 1 9-9 9.75 9.75 0 0 1 6.74 2.74L21 8" />
+  <path d="M21 3v5h-5" />
+  <path d="M21 12a9 9 0 0 1-9 9 9.75 9.75 0 0 1-6.74-2.74L3 16" />
+  <path d="M8 16H3v5" />
+</svg>

icons/save.svg

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+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="#000000"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="M15.2 3a2 2 0 0 1 1.4.6l3.8 3.8a2 2 0 0 1 .6 1.4V19a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2z" />
+  <path d="M17 21v-7a1 1 0 0 0-1-1H8a1 1 0 0 0-1 1v7" />
+  <path d="M7 3v4a1 1 0 0 0 1 1h7" />
+</svg>

icons/sliders-horizontal.svg

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+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="#000000"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="M10 5H3" />
+  <path d="M12 19H3" />
+  <path d="M14 3v4" />
+  <path d="M16 17v4" />
+  <path d="M21 12h-9" />
+  <path d="M21 19h-5" />
+  <path d="M21 5h-7" />
+  <path d="M8 10v4" />
+  <path d="M8 12H3" />
+</svg>

icons/speaker.svg

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+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="#000000"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <rect width="16" height="20" x="4" y="2" rx="2" />
+  <path d="M12 6h.01" />
+  <circle cx="12" cy="14" r="4" />
+  <path d="M12 14h.01" />
+</svg>

icons/timer.svg

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+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="#000000"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <line x1="10" x2="14" y1="2" y2="2" />
+  <line x1="12" x2="15" y1="14" y2="11" />
+  <circle cx="12" cy="14" r="8" />
+</svg>

icons/volume-2.svg

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+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="#000000"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="M11 4.702a.705.705 0 0 0-1.203-.498L6.413 7.587A1.4 1.4 0 0 1 5.416 8H3a1 1 0 0 0-1 1v6a1 1 0 0 0 1 1h2.416a1.4 1.4 0 0 1 .997.413l3.383 3.384A.705.705 0 0 0 11 19.298z" />
+  <path d="M16 9a5 5 0 0 1 0 6" />
+  <path d="M19.364 18.364a9 9 0 0 0 0-12.728" />
+</svg>