adds self-hosted compiler is functionally:
- The default compile path is the portable pipeline using jolt.analyzer (Clojure) → host-neutral IR → backend.janet.
- The analyzer is itself Clojure, compiled by jolt for true self-hosting.
- bootstrap-fixpoint passes (stage1 == stage2 == stage3): rebuilding the compiler on its own output.
- clojure.core is now self-hosted in the overlay.
- Stateful forms (defmacro/ns/deftype/defmulti/require/in-ns) are interpreted by design.
bootstrap.janet resolves jpm/cli.janet relative to cwd, so it must run
from /tmp/jpm rather than the repo root (fixes 'could not find file
jpm/cli.janet').
- .github/workflows/tests.yml: build Janet (cached) + jpm, init vendor/sci
submodule, run jpm test on every push and PR.
- README: explain the per-form eval router — interpreted (default) vs
compiled (:compile?), the always-interpret carve-out, and shared context.
