feat: Implement vulnerability token signing and verification utilities

- Added VulnTokenSigner for signing JWT tokens with specified algorithms and keys.
- Introduced VulnTokenUtilities for resolving tenant and subject claims, and sanitizing context dictionaries.
- Created VulnTokenVerificationUtilities for parsing tokens, verifying signatures, and deserializing payloads.
- Developed VulnWorkflowAntiForgeryTokenIssuer for issuing anti-forgery tokens with configurable options.
- Implemented VulnWorkflowAntiForgeryTokenVerifier for verifying anti-forgery tokens and validating payloads.
- Added AuthorityVulnerabilityExplorerOptions to manage configuration for vulnerability explorer features.
- Included tests for FilesystemPackRunDispatcher to ensure proper job handling under egress policy restrictions.

src/AdvisoryAI/StellaOps.AdvisoryAI/AGENTS.md

@@ -6,7 +6,7 @@ Deliver the Advisory AI assistant service that synthesizes advisory/VEX evidence
 ## Scope
 - Service under `src/AdvisoryAI/StellaOps.AdvisoryAI` (retrievers, deterministics, orchestrator, guardrails, inference adapters, REST APIs).
 - Batch processing for CLI/automation, caching, observability, and integration with Console, CLI, and downstream systems.
-- Coordination across Conseiller, Excitator, VEX Lens, SBOM Service, Policy Engine, Findings Ledger, Web Gateway, Authority, DevOps, and Docs.
+- Coordination across Conseiller, Excitor, VEX Lens, SBOM Service, Policy Engine, Findings Ledger, Web Gateway, Authority, DevOps, and Docs.
 
 ## Principles
 1. **Evidence preservation** – Raw advisory/VEX documents remain untouched; AI outputs reference them with citations.