/**
 * GREEN Phase Tests for Error Handling Standardization
 *
 * Issue: postgres-4fto - Standardize error handling across packages
 *
 * This test file verifies the standardized error handling implementation
 * for the @dotdo/postgres-shared package. Tests for cross-package unification
 * (CDC, Iceberg, MongoDB) remain as it.fails() to document future work.
 *
 * ## Implemented Features:
 *
 * 1. **Unified Base Error Properties**:
 *    - timestamp: Date - automatically captured when error is created
 *    - suggestion: string - recovery guidance for errors
 *
 * 2. **Error Serialization**:
 *    - toJSON() - standardized JSON format with timestamp
 *    - fromJSON() - reconstruct errors from JSON
 *    - toWorkerResponse() - safe format for Worker responses
 *
 * 3. **Error Context**:
 *    - getRootCause() - traverse error chain to root
 *    - wrapError() - supports context merging
 *    - toMetrics() - observability format
 *
 * 4. **Error Recovery**:
 *    - calculateRetryDelay() - exponential backoff with jitter
 *    - getCircuitBreakerCategory() - categorize for circuit breaker
 *    - aggregate() - batch error aggregation
 *
 * 5. **Type Guards**:
 *    - isQueryError(), isConnectionError(), etc.
 *    - narrowByErrorCode() - narrow by error code
 */
export {};
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