Vihren Atlas: A Code Behavior Map from Formal Concept Analysis
A good test suite contains intent from developers and data from program execution. Vihren Atlas uses Formal Concept Analysis to make a map from this data.
Writing
Technical notes, release explanations, and working methods behind Vihren Atlas and Vihren ADK.
All writing2026
Vihren v0.3.0: typed claim-checks for Go and Temporal agents
Vihren v0.3.0 adds typed claim-check values for large agent state: activities can offload large values, workflows route small handles, and downstream activities resolve bytes only when needed.
Vihren v0.2.0: typed async workflow runs
Vihren v0.2.0 changes generated async workflow clients to return typed run handles while keeping the sync client path simple.
Projection: A jj Workflow for splitting public and private files
A practical Jujutsu workflow for maintaining one local repository with public code at the root, private context behind a fileset, and a public line whose reachable history never touches private paths.
Hello world: Vihren v0.1.0
Vihren v0.1.0 starts with typed Temporal code generation, the runnable `codegenhello` example, and embedded Temporal for local development.