feat(channel): support Codex upstream model discovery (#6184)

* fix(i18n): clarify Go regex and field passthrough copy

* feat(channel): support Codex upstream model discovery

* Revert "fix(i18n): clarify Go regex and field passthrough copy"

This reverts commit d63d7975db3e34ff44e189112d3c15ad8c24ad88.

setting/ratio_setting/compact_suffix.go

@@ -11,3 +11,24 @@ func WithCompactModelSuffix(modelName string) string {
 	}
 	return modelName + CompactModelSuffix
 }
+
+func WithCompactModelVariants(models []string) []string {
+	variants := make([]string, 0, len(models)*2)
+	seen := make(map[string]struct{}, len(models)*2)
+	for _, model := range models {
+		if _, ok := seen[model]; ok {
+			continue
+		}
+		seen[model] = struct{}{}
+		variants = append(variants, model)
+	}
+	for _, model := range models {
+		compactModel := WithCompactModelSuffix(model)
+		if _, ok := seen[compactModel]; ok {
+			continue
+		}
+		seen[compactModel] = struct{}{}
+		variants = append(variants, compactModel)
+	}
+	return variants
+}