fix: harmonize wave colors from album covers

apps/web/src/pages/HomePage.tsx

@@ -41,8 +41,6 @@ const ICONS: Record<string, string> = {
   rainy: waveRainyIcon,
 };
 
-const WAVE_COLORS: [string, string, string] = ['#2F80FF', '#7C5CFF', '#35D3FF'];
-
 type Tr = (key: string) => string;
 
 /** Главная: для нового пользователя без истории — сначала онбординг вкуса, затем волна. */
@@ -97,8 +95,6 @@ function WaveHome() {
   const waveOn = st.wave !== null;
   const playing = waveOn && st.playing;
   const track = waveOn ? st.track : null;
-  const colors: [string, string, string] =
-    track?.album.cover_colors.length === 3 ? (track.album.cover_colors as [string, string, string]) : WAVE_COLORS;
 
   const run = (fn: () => Promise<void> | void) => {
     setError(null);
@@ -129,7 +125,7 @@ function WaveHome() {
         readAudio={player.readAudio}
         bpm={track?.features?.bpm ?? undefined}
         energy={track?.features?.energy ?? undefined}
-        colors={colors}
+        colors={track?.album.cover_colors}
         theme={document.documentElement.dataset.theme === 'light' ? 'light' : 'dark'}
         size={320}
         label={t(playing ? 'wave.pause' : 'wave.start')}

apps/web/src/widgets/wave/WaveButton.tsx

@@ -1,4 +1,5 @@
-import { useEffect, useRef, type MouseEvent as ReactMouseEvent, type ReactNode } from 'react';
+import { wavePalette, WAVE_COLORS } from '@pipu/core';
+import { useEffect, useMemo, useRef, type MouseEvent as ReactMouseEvent, type ReactNode } from 'react';
 
 import { drawLiquid, drawOrb, step, type WaveState } from './draw';
 
@@ -8,7 +9,7 @@ export interface WaveButtonProps {
   readAudio?: () => { bass: number; mid: number; treble: number };
   bpm?: number;
   energy?: number;
-  colors?: [string, string, string];
+  colors?: readonly string[];
   theme?: 'dark' | 'light';
   interactive?: boolean;
   size?: number;
@@ -17,8 +18,6 @@ export interface WaveButtonProps {
   children?: ReactNode;
 }
 
-const DEFAULT_COLORS: [string, string, string] = ['#2F80FF', '#7C5CFF', '#35D3FF'];
-
 function prefersReducedMotion(): boolean {
   return typeof window !== 'undefined' && !!window.matchMedia?.('(prefers-reduced-motion: reduce)').matches;
 }
@@ -29,6 +28,7 @@ function prefersReducedMotion(): boolean {
  */
 export function WaveButton(props: WaveButtonProps) {
   const size = props.size ?? 320;
+  const colors = useMemo(() => wavePalette(props.colors), [props.colors]);
   const audioRef = useRef(props.readAudio);
   audioRef.current = props.readAudio;
   const canvasRef = useRef<HTMLCanvasElement>(null);
@@ -36,7 +36,7 @@ export function WaveButton(props: WaveButtonProps) {
   const wrapRef = useRef<HTMLDivElement>(null);
   const st = useRef<WaveState>({
     hover: 0, hoverT: 0, press: 0, pressV: 0, pressT: 0, mx: 0, my: 0, ang: 0, t: 0, amp: 0, pulse: 0,
-    speed: 1, phase: 0, variant: 'orb', playing: false, bpm: 100, energy: 0.6, colors: DEFAULT_COLORS,
+    speed: 1, phase: 0, variant: 'orb', playing: false, bpm: 100, energy: 0.6, colors: WAVE_COLORS,
     dark: true, reduced: false, size,
   });
   // Пропсы читаются в цикле анимации через ref — перерисовка React не нужна.
@@ -45,7 +45,7 @@ export function WaveButton(props: WaveButtonProps) {
   s.playing = !!props.playing;
   s.bpm = props.bpm ?? 100;
   s.energy = props.energy ?? 0.6;
-  s.colors = props.colors ?? DEFAULT_COLORS;
+  s.colors = colors;
   s.dark = props.theme !== 'light';
   s.size = size;