fix: replace emoji characters with SVG icons in buttons and labels

- Endpoint copy buttons: 📋 → ICON_CLONE (3 places)
- Scene preset "used by": 🔗 → ICON_LINK
- Automation webhook condition: 🔗 → ICON_WEB
- Add "No Emoji" rule to contexts/frontend.md

server/src/wled_controller/static/js/features/automations.ts

@@ -9,7 +9,7 @@ import { showToast, showConfirm, setTabRefreshing } from '../core/ui.ts';
 import { Modal } from '../core/modal.ts';
 import { CardSection } from '../core/card-sections.ts';
 import { updateTabBadge, updateSubTabHash } from './tabs.ts';
-import { ICON_SETTINGS, ICON_START, ICON_PAUSE, ICON_CLOCK, ICON_AUTOMATION, ICON_HELP, ICON_OK, ICON_TIMER, ICON_MONITOR, ICON_RADIO, ICON_SCENE, ICON_CLONE, ICON_TRASH, ICON_CIRCLE_OFF, ICON_UNDO } from '../core/icons.ts';
+import { ICON_SETTINGS, ICON_START, ICON_PAUSE, ICON_CLOCK, ICON_AUTOMATION, ICON_HELP, ICON_OK, ICON_TIMER, ICON_MONITOR, ICON_RADIO, ICON_SCENE, ICON_CLONE, ICON_TRASH, ICON_CIRCLE_OFF, ICON_UNDO, ICON_WEB } from '../core/icons.ts';
 import * as P from '../core/icon-paths.ts';
 import { wrapCard } from '../core/card-colors.ts';
 import { TagInput, renderTagChips } from '../core/tag-input.ts';
@@ -247,7 +247,7 @@ const CONDITION_PILL_RENDERERS: Record<string, ConditionPillRenderer> = {
         return `<span class="stream-card-prop">${ICON_MONITOR} ${t('automations.condition.display_state')}: ${stateLabel}</span>`;
     },
     mqtt: (c) => `<span class="stream-card-prop stream-card-prop-full">${ICON_RADIO} ${t('automations.condition.mqtt')}: ${escapeHtml(c.topic || '')} = ${escapeHtml(c.payload || '*')}</span>`,
-    webhook: (c) => `<span class="stream-card-prop">&#x1F517; ${t('automations.condition.webhook')}</span>`,
+    webhook: (c) => `<span class="stream-card-prop">${ICON_WEB} ${t('automations.condition.webhook')}</span>`,
 };
 
 function createAutomationCard(automation: Automation, sceneMap = new Map()) {