profile refactor

src/features/b2b/api/b2bApi.ts

@@ -95,8 +95,9 @@ export interface OrgAmountRaw {
   raw: string
   formatted: string
   decimals: number
-  usd_price: string
-  usd_value: string
+  // null when pricing is unavailable (e.g. an upstream provider error).
+  usd_price: string | null
+  usd_value: string | null
 }
 
 export interface OrgWalletBalance {
@@ -107,13 +108,14 @@ export interface OrgWalletBalance {
   native_symbol: string
   native: OrgAmountRaw
   tokens: Record<string, OrgAmountRaw>
-  total_usd: string
+  // null when the wallet's balance could not be fetched (see `error`).
+  total_usd: string | null
   error: string | null
 }
 
 export interface OrgBalancesResponse {
   items: OrgWalletBalance[]
-  total_usd: string
+  total_usd: string | null
   has_errors: boolean
 }