feat: Add support for Claude 3.7 Sonnet model

common/model-ratio.go

@@ -108,6 +108,7 @@ var defaultModelRatio = map[string]float64{
 	"claude-3-sonnet-20240229":       1.5,   // $3 / 1M tokens
 	"claude-3-5-sonnet-20240620":     1.5,
 	"claude-3-5-sonnet-20241022":     1.5,
+	"claude-3-7-sonnet-20250219":     1.5,
 	"claude-3-opus-20240229":         7.5, // $15 / 1M tokens
 	"ERNIE-4.0-8K":                   0.120 * RMB,
 	"ERNIE-3.5-8K":                   0.012 * RMB,