v0.2.0 — origin heuristics and Layer B AST

[0.2.0] - 2026-08-17

Added

• Origin heuristics (internal/detect/origin); Score.Confidence and Evidence.
• Layer B offline AST transform via github.com/blotless/ast (statwm.ast_transform).
• Config.AstWASM / Config.AstExt for WASM language plugins.
• Contributor docs: CONTRIBUTING, SECURITY, ROADMAP, docs/ARCHITECTURE.

Changed

• Go parse helpers moved from internal/astgo to github.com/blotless/ast/golang.
• deps: golang.org/x/text v0.21.0 → v0.41.0; wazero v1.9.0 → v1.12.0 (via ast).

Install:

go get github.com/blotless/engine@v0.2.0