feat: fetch alpha price by symbol ticker

Keep alpha token existence from list cache and fetch live alpha price via symbol ticker endpoint for richer token response accuracy.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

internal/services/tele/commands/token.go

@@ -66,9 +66,13 @@ func collectRichTokenData(token string) buildRichTokenMessageArgs {
 
 	if alphaToken, ok := data.Market.GetAlphaToken(token); ok {
 		a.HasAlpha = true
-		a.AlphaPrice = alphaToken.GetPrice()
 		a.HasAlpha24h = true
 		a.Alpha24h = alphaToken.GetPercentChange24h()
+		if alphaPrice, ok := data.Market.GetAlphaPrice(token + "USDT"); ok {
+			a.AlphaPrice = alphaPrice
+		} else {
+			a.AlphaPrice = alphaToken.GetPrice()
+		}
 	}
 
 	futureSymbol := token + "USDT"