- Introduced `ReachabilityState`, `RuntimeHit`, `ExploitabilitySignal`, `ReachabilitySignal`, `SignalEnvelope`, `SignalType`, `TrustSignal`, and `UnknownSymbolSignal` records to define various signal types and their properties.
- Implemented JSON serialization attributes for proper data interchange.
- Created project files for the new signal contracts library and corresponding test projects.
- Added deterministic test fixtures for micro-interaction testing.
- Included cryptographic keys for secure operations with cosign.
- Implemented MigrationCategoryTests to validate migration categorization for startup, release, seed, and data migrations.
- Added tests for edge cases, including null, empty, and whitespace migration names.
- Created StartupMigrationHostTests to verify the behavior of the migration host with real PostgreSQL instances using Testcontainers.
- Included tests for migration execution, schema creation, and handling of pending release migrations.
- Added SQL migration files for testing: creating a test table, adding a column, a release migration, and seeding data.
- Implemented EntropyPolicyBannerComponent with configuration for entropy policies, including thresholds, current scores, and mitigation steps.
- Created PolicyGateIndicatorComponent to display the status of policy gates, including passed, failed, and warning gates, with detailed views for determinism and entropy gates.
- Added HTML and SCSS for both components to ensure proper styling and layout.
- Introduced computed properties and signals for reactive state management in Angular.
- Included remediation hints and actions for user interaction within the policy gate indicator.
