feat: gemini 3 thinking level gemini-3-pro-preview-high

setting/reasoning/suffix.go

@@ -0,0 +1,20 @@
+package reasoning
+
+import (
+	"strings"
+
+	"github.com/samber/lo"
+)
+
+var EffortSuffixes = []string{"-high", "-medium", "-low"}
+
+// TrimEffortSuffix -> modelName level(low) exists
+func TrimEffortSuffix(modelName string) (string, string, bool) {
+	suffix, found := lo.Find(EffortSuffixes, func(s string) bool {
+		return strings.HasSuffix(modelName, s)
+	})
+	if !found {
+		return modelName, "", false
+	}
+	return strings.TrimSuffix(modelName, suffix), strings.TrimPrefix(suffix, "-"), true
+}