fix(09): WR-07 keep relation column order from the YAML itself, not a fixed indentation

modules/cabana/schema.go

@@ -18,6 +18,14 @@ func decodeStrict(raw []byte, dest any) error {
 	return nil
 }
 
+// decodeStrictOrdered is decodeStrict with every nested mapping kept as an
+// ordered yaml.MapSlice, so a file that is decoded, re-marshalled per entry and
+// decoded again keeps its key order at any depth and any indentation.
+func decodeStrictOrdered(raw []byte, dest any) error {
+	dec := yaml.NewDecoder(bytes.NewReader(raw), yaml.DisallowUnknownField(), yaml.UseOrderedMap())
+	return dec.Decode(dest)
+}
+
 func readAsset(fsys fs.FS, name string) ([]byte, error) {
 	name = path.Clean(name)
 	if name == "." || strings.HasPrefix(name, "..") || strings.Contains(name, "..") {