refactor: consolidate 3 DOMContentLoaded listeners into single init block

- Extract initTabState, initTabWheelScroll, initVisibilityPolling,
  initChatImagePreview, initModalAccessibility as named functions
- Move polling interval vars to outer scope for accessibility
- Single DOMContentLoaded calls all init functions in logical order
- Replace scattered listeners with comment markers at original locations

bot/static/index.html

@@ -1848,28 +1848,32 @@ function switchTab(tabId) {
   }
 }
 
-// Initialize
+// ============================================================================
-document.addEventListener('DOMContentLoaded', function() {
+// Initialization — all setup in one DOMContentLoaded
-  // Restore persisted tab from localStorage
+// ============================================================================
+
+let statusInterval, logsInterval, argsInterval;
+
+function startPolling() {
+  if (!statusInterval) statusInterval = setInterval(loadStatus, 10000);
+  if (!logsInterval) logsInterval = setInterval(loadLogs, 5000);
+  if (!argsInterval) argsInterval = setInterval(loadActiveArguments, 5000);
+}
+
+function stopPolling() {
+  clearInterval(statusInterval); statusInterval = null;
+  clearInterval(logsInterval); logsInterval = null;
+  clearInterval(argsInterval); argsInterval = null;
+}
+
+function initTabState() {
   const savedTab = localStorage.getItem('miku-active-tab');
   if (savedTab && document.getElementById(savedTab)) {
     switchTab(savedTab);
   }
-  
+}
-  loadStatus();
+
-  loadServers();
+function initTabWheelScroll() {
-  loadLastPrompt();
-  loadLogs();
-  checkEvilModeStatus();  // Check evil mode on load
-  checkBipolarModeStatus();  // Check bipolar mode on load
-  checkGPUStatus();  // Check GPU selection on load
-  refreshLanguageStatus();  // Check language mode on load
-  console.log('🚀 DOMContentLoaded - initializing figurine subscribers list');
-  refreshFigurineSubscribers();
-  loadProfilePictureMetadata();
-  initLogsScrollDetection();  // Set up log auto-scroll tracking
-  
-  // Enable mouse wheel horizontal scrolling on tab bar
   const tabButtonsEl = document.querySelector('.tab-buttons');
   if (tabButtonsEl) {
     tabButtonsEl.addEventListener('wheel', function(e) {
@@ -1879,22 +1883,9 @@ document.addEventListener('DOMContentLoaded', function() {
       }
     }, { passive: false });
   }
-  
+}
-  // Set up periodic updates with visibility-aware polling
+
-  let statusInterval, logsInterval, argsInterval;
+function initVisibilityPolling() {
-  
-  function startPolling() {
-    if (!statusInterval) statusInterval = setInterval(loadStatus, 10000);
-    if (!logsInterval) logsInterval = setInterval(loadLogs, 5000);
-    if (!argsInterval) argsInterval = setInterval(loadActiveArguments, 5000);
-  }
-  
-  function stopPolling() {
-    clearInterval(statusInterval); statusInterval = null;
-    clearInterval(logsInterval); logsInterval = null;
-    clearInterval(argsInterval); argsInterval = null;
-  }
-  
   document.addEventListener('visibilitychange', () => {
     if (document.hidden) {
       stopPolling();
@@ -1905,7 +1896,71 @@ document.addEventListener('DOMContentLoaded', function() {
       console.log('▶️ Tab visible — polling resumed');
     }
   });
+}
+
+function initChatImagePreview() {
+  const imageInput = document.getElementById('chat-image-file');
+  if (imageInput) {
+    imageInput.addEventListener('change', function(e) {
+      const file = e.target.files[0];
+      if (file) {
+        const reader = new FileReader();
+        reader.onload = function(event) {
+          const preview = document.getElementById('chat-image-preview');
+          const previewImg = document.getElementById('chat-image-preview-img');
+          previewImg.src = event.target.result;
+          preview.style.display = 'block';
+        };
+        reader.readAsDataURL(file);
+      }
+    });
+  }
+}
+
+function initModalAccessibility() {
+  const editModal = document.getElementById('edit-memory-modal');
+  const createModal = document.getElementById('create-memory-modal');
+  if (editModal) {
+    editModal.setAttribute('role', 'dialog');
+    editModal.setAttribute('aria-modal', 'true');
+    editModal.setAttribute('aria-label', 'Edit Memory');
+    editModal.addEventListener('click', function(e) {
+      if (e.target === this) closeEditMemoryModal();
+    });
+  }
+  if (createModal) {
+    createModal.setAttribute('role', 'dialog');
+    createModal.setAttribute('aria-modal', 'true');
+    createModal.setAttribute('aria-label', 'Create Memory');
+    createModal.addEventListener('click', function(e) {
+      if (e.target === this) closeCreateMemoryModal();
+    });
+  }
+}
+
+document.addEventListener('DOMContentLoaded', function() {
+  // Tab & UI initialization
+  initTabState();
+  initTabWheelScroll();
+  initLogsScrollDetection();
+  initChatImagePreview();
+  initModalAccessibility();
   
+  // Load initial data
+  loadStatus();
+  loadServers();
+  loadLastPrompt();
+  loadLogs();
+  checkEvilModeStatus();
+  checkBipolarModeStatus();
+  checkGPUStatus();
+  refreshLanguageStatus();
+  refreshFigurineSubscribers();
+  loadProfilePictureMetadata();
+  loadVoiceDebugMode();
+  
+  // Start polling with visibility awareness
+  initVisibilityPolling();
   startPolling();
 });
 
@@ -4980,28 +5035,7 @@ function toggleChatImageUpload() {
   }
 }
 
-// Preview uploaded image
+// (Chat image preview + voice debug mode init moved to consolidated DOMContentLoaded)
-document.addEventListener('DOMContentLoaded', function() {
-  const imageInput = document.getElementById('chat-image-file');
-  if (imageInput) {
-    imageInput.addEventListener('change', function(e) {
-      const file = e.target.files[0];
-      if (file) {
-        const reader = new FileReader();
-        reader.onload = function(event) {
-          const preview = document.getElementById('chat-image-preview');
-          const previewImg = document.getElementById('chat-image-preview-img');
-          previewImg.src = event.target.result;
-          preview.style.display = 'block';
-        };
-        reader.readAsDataURL(file);
-      }
-    });
-  }
-  
-  // Load voice debug mode setting
-  loadVoiceDebugMode();
-});
 
 // Load voice debug mode setting from server
 async function loadVoiceDebugMode() {
@@ -5889,26 +5923,7 @@ document.addEventListener('keydown', function(e) {
   }
 });
 
-document.addEventListener('DOMContentLoaded', function() {
+// (Modal accessibility init moved to consolidated DOMContentLoaded)
-  const editModal = document.getElementById('edit-memory-modal');
-  const createModal = document.getElementById('create-memory-modal');
-  if (editModal) {
-    editModal.setAttribute('role', 'dialog');
-    editModal.setAttribute('aria-modal', 'true');
-    editModal.setAttribute('aria-label', 'Edit Memory');
-    editModal.addEventListener('click', function(e) {
-      if (e.target === this) closeEditMemoryModal();
-    });
-  }
-  if (createModal) {
-    createModal.setAttribute('role', 'dialog');
-    createModal.setAttribute('aria-modal', 'true');
-    createModal.setAttribute('aria-label', 'Create Memory');
-    createModal.addEventListener('click', function(e) {
-      if (e.target === this) closeCreateMemoryModal();
-    });
-  }
-});
 
 async function saveNewMemory() {
   const collection = document.getElementById('create-memory-collection').value;