feat: make Web UI mood dropdowns Evil Mode-aware

- Disable per-server mood controls when Evil Miku is active
- Show explanatory notice for disabled server mood dropdowns
- Populate global mood dropdown with evil moods when Evil Mode is on
- Fix initialization race condition by awaiting evil mode status first
- Add CSS styles for disabled mood controls

bot/static/js/core.js

@@ -383,7 +383,7 @@ async function loadProfilePictureMetadata() {
 // DOMContentLoaded — main initialization
 // ============================================================================
 
-document.addEventListener('DOMContentLoaded', function() {
+document.addEventListener('DOMContentLoaded', async function() {
   initTabState();
   initTabWheelScroll();
   initLogsScrollDetection();
@@ -391,12 +391,13 @@ document.addEventListener('DOMContentLoaded', function() {
   initModalAccessibility();
   initPromptSourceToggle();
 
+  // Load evil mode status FIRST so mood dropdowns populate with the correct list
+  await checkEvilModeStatus();
+
   loadStatus();
-  loadServers();
-  populateMoodDropdowns();
+  loadServers(); // internally calls populateMoodDropdowns() with correct evilMode
   loadLastPrompt();
   loadLogs();
-  checkEvilModeStatus();
   checkBipolarModeStatus();
   checkGPUStatus();
   refreshLanguageStatus();