Bundle frontend with esbuild, serve fonts offline, fix dashboard

- Add esbuild bundling: JS (IIFE, minified, sourcemapped) and CSS into
  single dist/ files, replacing 15+ individual CSS links and CDN scripts
- Bundle Chart.js and ELK.js from npm instead of CDN (fully offline)
- Serve DM Sans and Orbitron fonts locally from static/fonts/
- Fix dashboard automation card stretching full width (max-width: 500px)
- Fix time_of_day condition not localized in automation cards
- Add Chrome browser tools context file for MCP testing workflow
- Update frontend context with bundling docs and Chrome tools reference

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/src/wled_controller/static/js/core/graph-layout.js

@@ -2,7 +2,7 @@
  * Graph layout via ELK.js — converts entity data into positioned nodes/edges.
  */
 
-/* global ELK */
+import ELK from 'elkjs/lib/elk.bundled.js';
 
 const NODE_WIDTH = 190;
 const NODE_HEIGHT = 56;

server/src/wled_controller/static/js/features/dashboard.js

@@ -681,7 +681,8 @@ function renderDashboardAutomation(automation, sceneMap = new Map()) {
                 return `${apps} (${matchLabel})`;
             }
             if (c.condition_type === 'startup') return t('automations.condition.startup');
-            return c.condition_type;
+            if (c.condition_type === 'time_of_day') return t('automations.condition.time_of_day');
+            return t(`automations.condition.${c.condition_type}`) || c.condition_type;
         });
         const logic = automation.condition_logic === 'and' ? ' & ' : ' | ';
         condSummary = parts.join(logic);

server/src/wled_controller/static/js/features/perf-charts.js

@@ -3,6 +3,10 @@
  * History is seeded from the server-side ring buffer on init.
  */
 
+import { Chart, registerables } from 'chart.js';
+Chart.register(...registerables);
+window.Chart = Chart;  // expose globally for targets.js, dashboard.js
+
 import { API_BASE, getHeaders } from '../core/api.js';
 import { t } from '../core/i18n.js';
 import { dashboardPollInterval } from '../core/state.js';