- Removed redundant `gin.SetMode(gin.TestMode)` calls from individual test files.
- Introduced a centralized `TestMain` function in `testmain_test.go` to set the Gin mode for all tests.
- Ensured consistent test environment setup across various handler test files.
- Implement tests for BackupService to handle database extraction from backup archives with SHM and WAL entries.
- Add tests for BackupService to validate behavior when creating backups for non-SQLite databases and handling oversized database entries.
- Introduce tests for CrowdSec startup to ensure proper error handling during configuration creation.
- Enhance LogService tests to cover scenarios for skipping dot and empty directories and handling read directory errors.
- Add tests for SecurityHeadersService to ensure proper error handling during preset creation and updates.
- Update ProxyHostForm tests to include HSTS subdomains toggle and validation for port input handling.
- Enhance DNSProviders tests to validate manual challenge completion and error handling when no providers are available.
- Extend UsersPage tests to ensure fallback mechanisms for clipboard operations when the clipboard API fails.
- Implemented SystemPermissionsHandler to check and repair file permissions.
- Added endpoints for retrieving and repairing permissions.
- Introduced utility functions for permission checks and error mapping.
- Created tests for the new handler and utility functions.
- Updated routes to include the new permissions endpoints.
- Enhanced configuration to support new logging and plugin directories.
- Implemented comprehensive tests for security toggle handlers in `security_toggles_test.go`, covering enable/disable functionality for ACL, WAF, Cerberus, CrowdSec, and RateLimit.
- Added sample JSON response for CrowdSec decisions in `lapi_decisions_response.json`.
- Created aggressive preset configuration for CrowdSec in `preset_aggressive.json`.
- Documented backend coverage, security fixes, and E2E testing improvements in `2026-02-02_backend_coverage_security_fix.md`.
- Developed a detailed backend test coverage restoration plan in `current_spec.md` to address existing gaps and improve overall test coverage to 86%+.
