Remove Alpha token price caching in spotPrice map

Alpha token prices are now looked up directly from Alpha data instead
of being cached into spotPrice. Remove unused ensureAlphaCacheLoaded
and shouldRefreshAlphaCache functions.

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

internal/data/market/alpha_tokens.go

@@ -132,16 +132,6 @@ func (ms *MarketData) refreshAlphaTokenCache() {
 		ms.alphaTokens[symbol] = token
 	}
 
-	// Update spot prices for Alpha tokens (separate lock to avoid holding both mutexes)
-	ms.mu.Lock()
-	for _, token := range tokens {
-		symbol := token.Symbol
-		if price := token.GetPrice(); price > 0 {
-			ms.spotPrice[symbol] = price
-		}
-	}
-	ms.mu.Unlock()
-
 	ms.lastAlphaCacheUpdate = time.Now()
 	log.Info().Int("count", len(tokens)).Msg("Alpha token cache refreshed successfully")
 }
@@ -160,20 +150,3 @@ func (ms *MarketData) IsAlphaToken(symbol string) bool {
 	_, exists := ms.GetAlphaToken(symbol)
 	return exists
 }
-
-// shouldRefreshAlphaCache checks if the Alpha cache should be refreshed
-func (ms *MarketData) shouldRefreshAlphaCache() bool {
-	// Refresh if cache is empty (first time) or if it's older than 30 minutes
-	if len(ms.alphaTokens) == 0 {
-		return true
-	}
-	
-	return time.Since(ms.lastAlphaCacheUpdate) > 30*time.Minute
-}
-
-// ensureAlphaCacheLoaded ensures Alpha cache is loaded, refreshes if needed
-func (ms *MarketData) ensureAlphaCacheLoaded() {
-	if ms.shouldRefreshAlphaCache() {
-		ms.refreshAlphaTokenCache()
-	}
-}

internal/data/market/spot_price.go

@@ -15,15 +15,10 @@ func (ms *MarketData) GetSpotPrice(symbol string) (float64, bool) {
 		return p, true
 	}
 
-	// If not found, check if it's an Alpha token and ensure cache is loaded
-	ms.ensureAlphaCacheLoaded()
+	// If not found, check if it's an Alpha token
 	if ms.IsAlphaToken(symbol) {
 		if alphaToken, exists := ms.GetAlphaToken(symbol); exists {
-			price := alphaToken.GetPrice()
-			if price > 0 {
-				ms.mu.Lock()
-				ms.spotPrice[symbol] = price
-				ms.mu.Unlock()
+			if price := alphaToken.GetPrice(); price > 0 {
 				return price, true
 			}
 		}