feat(convert,assets): convert page route and assets portfolio chart

Add convert mobile/desktop views and assets chart from price history; polish calculator and wallet/home integration.

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

src/views/base/convert/composables/useCopperConvertPage.ts

@@ -1,6 +1,8 @@
 import {
   computed,
   inject,
+  onMounted,
+  onUnmounted,
   provide,
   ref,
   type ComputedRef,
@@ -144,14 +146,14 @@ export function useCopperConvertPage() {
     }
   }
 
-  async function refreshLivePrices() {
+  onMounted(() => {
     startLastPricePolling()
-    await loadCatalog()
-  }
+    void loadCatalog()
+  })
 
-  function stopLivePrices() {
+  onUnmounted(() => {
     stopLastPricePolling()
-  }
+  })
 
   const ctx: CopperConvertPageContext = {
     loading,
@@ -163,7 +165,7 @@ export function useCopperConvertPage() {
   }
 
   provide(COPPER_CONVERT_PAGE_KEY, ctx)
-  return { ...ctx, refreshLivePrices, stopLivePrices, loadCatalog }
+  return ctx
 }
 
 export function useCopperConvertPageContext() {