Make boursecu branch boursecu-only and simplify app loading.

Remove multi-tenant branches and default views, show logo-only boot and splash screens, and polish boursecu transactions tab styling.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/utils/chartPriceAxis.ts

@@ -32,13 +32,8 @@ const KATOD_DEVIATION_FACTOR = 200
 
 /** نمودار boursecu وقتی metal_type = کاتد مس */
 export function shouldAmplifyKatodMesChart(options: {
-  isBoursecu: boolean
   metalTypeSetting?: string | number | null
 }): boolean {
-  if (!options.isBoursecu) {
-    return false
-  }
-
   const metal = String(options.metalTypeSetting ?? '').trim()
   return metal === 'کاتد مس'
 }