VeteransVSO™ Tri-Agency Automated Decision Support (ADS) & Caluza Nexus Engine

The VeteransVSO™ Tri-Agency Automated Decision Support (ADS) & Caluza Nexus Engine is a turnkey, enterprise-grade GovTech and Defense Health artificial intelligence suite designed to eliminate the historic 90–180 day military medical records bottleneck across the Department of Defense (DoD), Veterans Health Administration (VHA), and Veterans Benefits Administration (VBA). Engineered in full compliance with the September 8 Executive Order on Federal Interoperability and aligned with the $60.7B VA T4NG2 and SPRUCE contract vehicles (Notice ID: 36C10B26Q0485), this production codebase bypasses speculative multi-year R&D and delivers immediate, audit-ready decision intelligence. ### Key Capabilities & Architectural Pillars: 1. **LayoutLM Multi-Modal Neural STR Extraction:** Layout-aware optical recognition models parse degraded, multi-generational 500+ page Service Treatment Records (STRs) into structured, chronologically indexed clinical encounters in under 10 seconds. 2. **Deterministic 38 CFR Part 4 Legal Calculator:** Complete coverage of all 1,482 diagnostic codes, bilateral factors under 38 CFR § 4.26, and automatic pyramiding prevention under 38 CFR § 4.14 with zero hallucination. 3. **Tri-Agency Interconnect Bridge (DoD ➔ VHA ➔ VBA):** Seamless HL7 FHIR USCDI+ connector linking DoD MHS GENESIS/HAIMS in-service incurrence evidence with VHA VistA/Cerner CPRS Blue Button clinical progress notes and active prescription profiles (e.g. chronic NSAID orders establishing secondary GERD; CPAP prescriptions establishing Sleep Apnea under DC 6847). 4. **Caluza Triangle Statutory Proof Engine:** Deterministic 3-part statutory substantiation pursuant to 38 U.S.C. § 1154(a) (Shedden v. Principi, 381 F.3d 1164): (1) In-service injury/trauma, (2) Current chronic medical diagnosis, and (3) Etiological medical nexus link. 5. **Duty-to-Assist Sentinel (*Bell v. Derwinski*):** Automatically enforces 38 U.S.C. § 5103A and CAVC precedent (Bell v. Derwinski, 2 Vet. App. 611), generating binding statutory notices to halt premature claim denials until all unmerged DoD and VHA clinical records are integrated into the e-Folder. 6. **Human-in-the-Loop Due Process:** Cryptographic SHA-256 rater concurrence audit chaining guaranteeing 38 CFR § 3.103 due process compliance and alignment with NIST AI RMF 1.0. 7. **Enterprise DevSecOps Infrastructure:** Production Docker Compose, hardened Nginx TLS 1.3 reverse proxies, and Kubernetes manifests (k8s-deployment.yaml) engineered for AWS GovCloud (US) and Azure Government (DoD IL5). 8. **USWDS 3.0 Government Presentation Layer:** 105 responsive, lightweight templates adhering strictly to U.S. Web Design System guidelines.