feat: expose instrument brand logo name in portfolio positions

src/tbank/portfolio.service.ts

@@ -44,7 +44,12 @@ const types: Record<string, string> = {
 
 type CachedSnapshot = { snapshot: PortfolioDto; storedAt: number };
 type CachedMetadata = {
-  value: { ticker?: string; name?: string; isin?: string } | null;
+  value: {
+    ticker?: string;
+    name?: string;
+    isin?: string;
+    brand?: { logoName?: string | null };
+  } | null;
   storedAt: number;
 };
 
@@ -210,6 +215,7 @@ export class PortfolioService {
       averagePurchasePrice,
       absoluteReturn,
       isin: metadata?.isin?.trim() || null,
+      logoName: metadata?.brand?.logoName?.trim() || null,
     };
   }
 
@@ -241,6 +247,7 @@ export class PortfolioService {
         ticker?: string;
         name?: string;
         isin?: string;
+        brand?: { logoName?: string | null };
       } | null>,
     ) => {
       const cached = this.metadata.get(key);