"""Tests for the NLSQ Model Health Diagnostics System.

This package contains unit and integration tests for the diagnostics
subpackage, organized by component:

- test_types.py: Core types and enumerations
- test_identifiability.py: IdentifiabilityAnalyzer tests
- test_gradient_health.py: GradientMonitor tests
- test_health_report.py: ModelHealthReport tests
- test_parameter_sensitivity.py: ParameterSensitivityAnalyzer tests
- test_plugin.py: Plugin system tests
- test_integration.py: End-to-end integration tests
- test_edge_cases.py: Edge case and error handling tests
"""
