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Implement Global Error Handling and Exception Module #107

Description

@memplethee-lab

Overview

Develop a centralized error handling module that provides consistent error responses, error tracking, and comprehensive exception management across the Alian Structure API.

Direction

This module should provide:

  • Custom exception classes for different error scenarios
  • Global exception handler middleware
  • Standardized error response format
  • Error logging and monitoring integration
  • Stack trace management (show in dev, hide in prod)
  • HTTP status code mapping
  • Error tracking service integration (e.g., Sentry)

Implementation Details

The error handling module should intercept all exceptions thrown in the application and format them into consistent JSON responses. It should distinguish between expected business logic errors and unexpected system errors.

Acceptance Criteria

  • All errors return responses in standardized JSON format
  • Error responses include error code, message, and timestamp
  • HTTP status codes correctly map to error types
  • Stack traces appear in development but not in production
  • Errors are logged with proper context and severity levels
  • Error tracking service receives critical errors automatically
  • Validation errors return 400 with field-level details
  • Unauthorized requests return 401 with proper challenge
  • Not found resources return 404 consistently
  • Error handling doesn't leak sensitive information

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GrantFox OSSIssue tracked in GrantFox OSSMaybe RewardedIssue may be eligible for a GrantFox rewardOfficial Campaign | FWC26Campaign: Official Campaign | FWC26enhancementNew feature or request

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