<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Jason Stys engineering case studies</title><link>https://jasonstys.github.io/portfolio-case-study-site/</link><description>Evidence-first software, AI, data, cloud, web, and game-technology case studies.</description><item><title>Polyglot AI development with verifiable revisions</title><link>https://jasonstys.github.io/portfolio-case-study-site/case-studies/code-flow-studio/</link><guid>https://jasonstys.github.io/portfolio-case-study-site/case-studies/code-flow-studio/</guid><description>A local-first successor to a team capstone that connects a typed editor, isolated compiler workers, bounded fuzzing, AI adapters, and encrypted revision evidence.</description></item><item><title>Private document workflows with traceable conversions</title><link>https://jasonstys.github.io/portfolio-case-study-site/case-studies/business-knowledge-workbench/</link><guid>https://jasonstys.github.io/portfolio-case-study-site/case-studies/business-knowledge-workbench/</guid><description>A modular local workbench that keeps document blocks, units, provenance, product views, and analytical reports connected through HTML-first conversion and encrypted workspaces.</description></item><item><title>A trainable image model with honest quality evidence</title><link>https://jasonstys.github.io/portfolio-case-study-site/case-studies/personal-image-model-studio/</link><guid>https://jasonstys.github.io/portfolio-case-study-site/case-studies/personal-image-model-studio/</guid><description>A real caption-conditioned image-model training and editing workflow with owned synthetic fixtures, held-out evaluation, checkpoint safety, and private local workspaces.</description></item><item><title>Deterministic systems beneath a 2D engine</title><link>https://jasonstys.github.io/portfolio-case-study-site/case-studies/forge2d-engine/</link><guid>https://jasonstys.github.io/portfolio-case-study-site/case-studies/forge2d-engine/</guid><description>A C++20 engine lab centered on deterministic simulation, sparse-set data layout, pathfinding, collision broadphase, replay evidence, and defensive tooling.</description></item><item><title>Delivery gates that verify identity and recovery</title><link>https://jasonstys.github.io/portfolio-case-study-site/case-studies/secure-delivery-pipeline-lab/</link><guid>https://jasonstys.github.io/portfolio-case-study-site/case-studies/secure-delivery-pipeline-lab/</guid><description>A defensive supply-chain lab connecting reproducible bundles, SBOMs, independent build-identity verification, staged promotion, and authenticated rollback under tampering.</description></item><item><title>Source-linked skills review with explicit uncertainty</title><link>https://jasonstys.github.io/portfolio-case-study-site/case-studies/applicant-evidence-studio/</link><guid>https://jasonstys.github.io/portfolio-case-study-site/case-studies/applicant-evidence-studio/</guid><description>A private, advisory skills-review and career-coaching application that links rubric coverage to evidence, preserves education ambiguity, and exports factual resume improvements.</description></item></channel></rss>