0.5.4

[Polliog]

This pull request introduces LogTide version 0.5.4, which brings a major feature for detection pack category routing, several important bug fixes, and general improvements. The release adds a new category field to detection-related tables, enabling more granular routing of detection events in the UI and API. It also addresses several bugs, including improved error detection, onboarding race conditions, and notification handling. Additionally, the update removes emoji and special characters from backend logs and scripts for a cleaner output.

Detection Pack Category Routing:

• Added a category column to both sigma_rules and detection_events tables, enabling detection pack results to be routed to the appropriate UI section (Security/SIEM, Errors, Alerts) and supporting API filtering by category. Includes migration script and updates to type definitions. [1] [2] [3] [4] [5]
• Security dashboard and incident auto-grouping are now scoped to category = 'security' only. Manual/SigmaHQ rules default to the security category.

Bug Fixes:

• Improved detection of exceptions in log metadata, now parsing { name, message, stack } objects under metadata.error, not just metadata.exception.
• Fixed the exception details dialog to properly display error messages instead of [object Object] when encountering nested error objects.
• Resolved onboarding race condition by using INSERT ... ON CONFLICT DO NOTHING and re-fetching state to avoid duplicate key errors.
• Ensured all admin users are members of the @logtide-internal organization on startup.
• Stopped sending unwanted email/webhook notifications by ignoring legacy fields and relying solely on the notification channels system.
• Malformed ingestion JSON now returns 400 Bad Request instead of 500 Internal Server Error.

UI/Email Improvements:

• Replaced broken base64-encoded logo in emails with hosted SVG URLs for reliable rendering. [1] [2] [3]

General/Developer Experience:

• Removed emoji and special Unicode characters from all backend logs, scripts, and error messages for cleaner and more consistent output. [1] [2] [3] [4] [5] [6] [7] [8] [9] [10]
• Updated version references from 0.5.3 to 0.5.4 in README.md, package.json, and backend package files. [1] [2] [3] [4]

For more details, see the updated changelog entry for 0.5.4.

[codecov]

Codecov Report

❌ Patch coverage is 81.45161% with 23 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
packages/backend/src/database/migrator.ts	0.00%	7 Missing ⚠️
packages/backend/src/server.ts	65.00%	7 Missing ⚠️
packages/backend/src/modules/siem/service.ts	40.00%	6 Missing ⚠️
...kages/backend/src/queue/jobs/alert-notification.ts	76.92%	3 Missing ⚠️

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