shared-contract/src/test/java/dev/caskeleton/shared/error/OperationalErrorTest.java:40:  void implementsApiErrorCodeContract() {
shared-contract/src/test/java/dev/caskeleton/shared/error/OperationalErrorTest.java:41:    ApiErrorCode code = OperationalError.MAPPING_FAILED;
shared-contract/src/main/java/dev/caskeleton/shared/error/PersistenceFailureException.java:6: * and rethrows it wrapped in this type, carrying only a stable {@link ApiErrorCode} (a {@code DB_*}
shared-contract/src/main/java/dev/caskeleton/shared/error/PersistenceFailureException.java:19:  private final transient ApiErrorCode errorCode;
shared-contract/src/main/java/dev/caskeleton/shared/error/PersistenceFailureException.java:27:      ApiErrorCode errorCode, String diagnosticMessage, Throwable cause) {
shared-contract/src/main/java/dev/caskeleton/shared/error/PersistenceFailureException.java:34:  public ApiErrorCode errorCode() {
shared-contract/src/main/java/dev/caskeleton/shared/error/ApiErrorCode.java:11:public interface ApiErrorCode {
shared-contract/src/main/java/dev/caskeleton/shared/error/Category.java:6: * ApiErrorCode} implementations and {@code error-codes.yaml}, not here.
shared-contract/src/main/java/dev/caskeleton/shared/error/ApiErrorCarrier.java:6: * {@link ApiErrorCode} (the same codes every adapter surfaces); the handler reads {@link
shared-contract/src/main/java/dev/caskeleton/shared/error/ApiErrorCarrier.java:15: * feature's domain {@code ApiErrorCode} to the wire. Only the stable {@link ApiErrorCode#code()} is
shared-contract/src/main/java/dev/caskeleton/shared/error/ApiErrorCarrier.java:22:  ApiErrorCode errorCode();
shared-contract/src/main/java/dev/caskeleton/shared/error/OperationalError.java:12:public enum OperationalError implements ApiErrorCode {
shared-contract/src/main/java/dev/caskeleton/shared/error/DependencyFailureException.java:6: * rethrows it wrapped in this type, carrying a stable {@link ApiErrorCode} (a {@code DEPENDENCY_*}
shared-contract/src/main/java/dev/caskeleton/shared/error/DependencyFailureException.java:17:  private final transient ApiErrorCode errorCode;
shared-contract/src/main/java/dev/caskeleton/shared/error/DependencyFailureException.java:30:      ApiErrorCode errorCode, String dependencyName, String diagnosticMessage, Throwable cause) {
shared-contract/src/main/java/dev/caskeleton/shared/error/DependencyFailureException.java:38:  public ApiErrorCode errorCode() {