refactor: update web-client files - replace old HTML/JS/CSS with new droidAssist implementation

- Remove old: assist.html, index.html, script.js, styles.css, AI robot.lottie
- Add new: droidAssist.html, droidAssist.css, droidAssist.js, animation.lottie
- Restructure web-client files into html/ directory

web-client/html/droidAssist.html

@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<html lang="ru">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
+  <title>Droid Assistant</title>
+  
+  <!-- Стили -->
+  <link rel="stylesheet" href="droidAssist.css">
+</head>
+<body>
+
+<div class="particles" id="particles"></div>
+
+<div class="connection-badge">
+  <div class="status-dot" id="statusDot"></div>
+  <span id="statusLabel">Отключено</span>
+</div>
+
+<div class="assistant-container">
+
+  <div class="animation-wrapper idle" id="animationWrapper">
+    <canvas id="lottie-canvas" width="700" height="700"></canvas>
+    <div class="loading-overlay" id="loadingOverlay">
+      <div class="spinner"></div>
+    </div>
+  </div>
+
+  <div class="status-text" id="statusText">В ОЖИДАНИИ</div>
+
+  <div class="volume-container">
+    <div class="volume-header">
+      <span>🔊 Громкость</span>
+      <span class="volume-value" id="volumeValue">80%</span>
+    </div>
+    <input type="range" class="volume-slider" id="volumeSlider" min="0" max="100" value="80" step="1">
+    <div class="volume-buttons">
+      <button class="vol-btn" id="volDownBtn">🔉 -10%</button>
+      <button class="vol-btn" id="volUpBtn">🔊 +10%</button>
+    </div>
+  </div>
+
+  <div class="debug-buttons">
+    <button class="debug-btn" onclick="goToState('yes')">👍 Yes</button>
+    <button class="debug-btn" onclick="goToState('thinking')">🤔 Think</button>
+    <button class="debug-btn" onclick="goToState('alert')">⚠️ Alert</button>
+    <button class="debug-btn" onclick="goToState('no')">❌ No</button>
+    <button class="debug-btn" onclick="goToState('jump')">🦘 Jump</button>
+    <button class="debug-btn" onclick="goToState('idle')">😐 Idle</button>
+  </div>
+
+  <div class="transcript-box">
+    <div class="transcript-label">💬 Последняя фраза</div>
+    <div class="transcript-text" id="transcriptText">—</div>
+  </div>
+</div>
+
+<!-- Скрипт как модуль (нужен для импорта DotLottie) -->
+<script type="module" src="droidAssist.js"></script>
+
+</body>
+</html>