feat(theme): add simple-large preset, xl scale and clean up channel badge dots

Implement the Simple Large-font theme preset and xl font scale options to enhance interface accessibility. Remove status indicator dots from channel badges in logs to keep the table layout visual and clean.

web/default/src/lib/theme-customization.ts

@@ -37,6 +37,11 @@ export const THEME_PRESETS = [
     name: 'Anthropic',
     swatches: ['oklch(0.984 0.005 95)', 'oklch(0.685 0.142 38)'],
   },
+  {
+    value: 'simple-large',
+    name: 'Simple Large-font',
+    swatches: ['oklch(0.15 0 0)', 'oklch(0.99 0 0)'],
+  },
   {
     value: 'underground',
     name: 'Underground',
@@ -76,7 +81,7 @@ export const THEME_PRESETS = [
 
 export type ThemePreset = (typeof THEME_PRESETS)[number]['value']
 export type ThemeRadius = 'default' | 'none' | 'sm' | 'md' | 'lg' | 'xl'
-export type ThemeScale = 'default' | 'sm' | 'lg'
+export type ThemeScale = 'default' | 'sm' | 'lg' | 'xl'
 export type ContentLayout = 'full' | 'centered'
 
 /**
@@ -141,6 +146,7 @@ export const THEME_SCALE_VALUES: ReadonlySet<ThemeScale> = new Set([
   'default',
   'sm',
   'lg',
+  'xl',
 ])
 
 export const CONTENT_LAYOUT_VALUES: ReadonlySet<ContentLayout> = new Set([