- 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.
- Introduced DigestUpsertRequest for handling digest upsert requests with properties like ChannelId, Recipient, DigestKey, Events, and CollectUntil.
- Created LockEntity to represent a lightweight distributed lock entry with properties such as Id, TenantId, Resource, Owner, ExpiresAt, and CreatedAt.
feat: Implement ILockRepository interface and LockRepository class
- Defined ILockRepository interface with methods for acquiring and releasing locks.
- Implemented LockRepository class with methods to try acquiring a lock and releasing it, using SQL for upsert operations.
feat: Add SurfaceManifestPointer record for manifest pointers
- Introduced SurfaceManifestPointer to represent a minimal pointer to a Surface.FS manifest associated with an image digest.
feat: Create PolicySimulationInputLock and related validation logic
- Added PolicySimulationInputLock record to describe policy simulation inputs and expected digests.
- Implemented validation logic for policy simulation inputs, including checks for digest drift and shadow mode requirements.
test: Add unit tests for ReplayVerificationService and ReplayVerifier
- Created ReplayVerificationServiceTests to validate the behavior of the ReplayVerificationService under various scenarios.
- Developed ReplayVerifierTests to ensure the correctness of the ReplayVerifier logic.
test: Implement PolicySimulationInputLockValidatorTests
- Added tests for PolicySimulationInputLockValidator to verify the validation logic against expected inputs and conditions.
chore: Add cosign key example and signing scripts
- Included a placeholder cosign key example for development purposes.
- Added a script for signing Signals artifacts using cosign with support for both v2 and v3.
chore: Create script for uploading evidence to the evidence locker
- Developed a script to upload evidence to the evidence locker, ensuring required environment variables are set.
- Introduced a comprehensive CI job structure for VEX Lens, including build, test, linting, and load testing.
- Defined load test parameters and SLOs for VEX Lens API and Issuer Directory.
- Created Grafana dashboards and alerting mechanisms for monitoring API performance and error rates.
- Established offline posture guidelines for CI jobs and load testing.
feat: Implement deterministic projection verification script
- Added `verify_projection.sh` script for verifying the integrity of projection exports against expected hashes.
- Ensured robust error handling for missing files and hash mismatches.
feat: Develop Vuln Explorer CI and Ops Plan
- Created CI jobs for Vuln Explorer, including build, test, and replay verification.
- Implemented backup and disaster recovery strategies for MongoDB and Redis.
- Established Merkle anchoring verification and automation for ledger projector.
feat: Introduce EventEnvelopeHasher for hashing event envelopes
- Implemented `EventEnvelopeHasher` to compute SHA256 hashes for event envelopes.
feat: Add Risk Store and Dashboard components
- Developed `RiskStore` for managing risk data and state.
- Created `RiskDashboardComponent` for displaying risk profiles with filtering capabilities.
- Implemented unit tests for `RiskStore` and `RiskDashboardComponent`.
feat: Enhance Vulnerability Detail Component
- Developed `VulnerabilityDetailComponent` for displaying detailed information about vulnerabilities.
- Implemented error handling for missing vulnerability IDs and loading failures.
