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+# Technical Specification: Add structured error handling for event processing
+
+## Executive Summary
+This document provides comprehensive technical details, operational context, and usage specifications for this component within chainlearn-indexer.
+
+## Architecture & Invariants
+- Standard state machine transitions
+- Deterministic error boundaries
+- Operational failure handling
+
+## Guidelines & Runbook
+1. Ensure local prerequisites are satisfied
+2. Execute verification suites prior to deployment
+3. Review automated audit logs for anomalies