tatara-lisp-eval 0.2.4

Runtime evaluator for tatara-lisp — embeddable Scheme-ish eval scoped to orchestration (job queues, rules, REPL). See docs/eval-design.md.
Documentation

tatara-lisp-eval — runtime evaluator for the tatara-lisp authoring surface.

See docs/eval-design.md in the tatara-lisp repo for scope, FFI surface, error model, and the boundary with the plain tatara-lisp compile pipeline.

This crate extends tatara-lisp; it does not replace it. The plain Sexp AST and compile_typed flow remain the fast, committed, cacheable path for typed infrastructure DSLs. tatara-lisp-eval is for the runtime / REPL / ad-hoc path — live orchestration, rule evaluation, hot-reloaded diagnostic bundles.

Phase progress (Phase 2.2 scaffold)

This commit establishes shape: module layout, public types, stub interpreter that evaluates only literal atoms. Subsequent phases (2.3-2.7) fill in special forms, FFI, REPL, errors, tests.