refactor: separate direct and related spot resolvers

Keep IsToken checks explicit across futures and direct spot symbols, move futures-derived spot mapping to a clearly named helper, and update token data collection to use related spot resolution.

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

internal/helper/binancex/resolver.go

@@ -47,6 +47,19 @@ func Token2FutureSymbols(token string) []string {
 }
 
 func Token2SpotSymbols(token string) []string {
+	if !stringx.IsAlphaNumeric(token) {
+		return nil
+	}
+
+	spotOnly := strings.ToUpper(token) + "USDT"
+	if data.Market.IsSpotPair(spotOnly) {
+		return []string{spotOnly}
+	}
+
+	return nil
+}
+
+func Token2RelatedSpotSymbols(token string) []string {
 	futureSymbols := Token2FutureSymbols(token)
 	spots := make([]string, 0, len(futureSymbols)+1)
 	seen := make(map[string]struct{}, len(futureSymbols)+1)

internal/helper/binancex/resolver_test.go

@@ -165,13 +165,25 @@ func TestIsToken(t *testing.T) {
 	}
 }
 
-func TestToken2SpotSymbols_AppliesExplicitRemap(t *testing.T) {
+func TestToken2SpotSymbols_DoesNotDependOnFutureMappings(t *testing.T) {
 	withResolverMarketStub(t, &resolverMarketStub{
 		futuresPairs: map[string]bool{"LUNA2USDT": true},
 		spotPairs:    map[string]bool{"LUNAUSDT": true},
 	})
 
 	spots := Token2SpotSymbols("luna2")
+	if len(spots) != 0 {
+		t.Fatalf("expected no direct spot symbols for LUNA2, got %+v", spots)
+	}
+}
+
+func TestToken2RelatedSpotSymbols_AppliesExplicitRemap(t *testing.T) {
+	withResolverMarketStub(t, &resolverMarketStub{
+		futuresPairs: map[string]bool{"LUNA2USDT": true},
+		spotPairs:    map[string]bool{"LUNAUSDT": true},
+	})
+
+	spots := Token2RelatedSpotSymbols("luna2")
 	if len(spots) != 1 || spots[0] != "LUNAUSDT" {
 		t.Fatalf("expected [LUNAUSDT], got %+v", spots)
 	}

internal/helper/binancex/symbol.go

@@ -30,6 +30,9 @@ var (
 )
 
 func IsToken(s string) bool {
+	if len(Token2FutureSymbols(s)) > 0 {
+		return true
+	}
 	if len(Token2SpotSymbols(s)) > 0 {
 		return true
 	}

internal/services/tele/commands/token.go

@@ -87,7 +87,7 @@ func collectRichTokenData(token string) buildRichTokenMessageArgs {
 		}
 	}
 
-	spotSymbols := binancex.Token2SpotSymbols(token)
+	spotSymbols := binancex.Token2RelatedSpotSymbols(token)
 	for _, spotSymbol := range spotSymbols {
 		if sp, ok := data.Market.GetSpotPrice(spotSymbol); ok {
 			a.HasSpot = true