feat: migrate to golang

internal/corecfg/validate.go

@@ -0,0 +1,36 @@
+package corecfg
+
+import "gitea.epss.net.cn/klesh/ss/internal/model"
+
+// validateConfigMap applies the same field constraints as the Pydantic
+// Config model's validators (models.py) to a raw config map, checking only
+// the fields that are present.
+func validateConfigMap(data map[string]interface{}) error {
+	cfg := model.DefaultConfig()
+
+	if v, ok := data["refresh_interval_hours"]; ok {
+		if n, ok := toInt(v); ok {
+			cfg.RefreshIntervalHours = n
+		}
+	}
+	if v, ok := data["timeout_seconds"]; ok {
+		if n, ok := toInt(v); ok {
+			cfg.TimeoutSeconds = n
+		}
+	}
+
+	return cfg.Validate()
+}
+
+func toInt(v interface{}) (int, bool) {
+	switch n := v.(type) {
+	case int:
+		return n, true
+	case int64:
+		return int(n), true
+	case float64:
+		return int(n), true
+	default:
+		return 0, false
+	}
+}