Kell · kt-2.0 · pure .kl probe DSL · pure like a river
CLI: gotokell
Build: cargo build --release
Run:  ./target/release/gotokell run examples/hello.kl
Check: ./target/release/gotokell check
Doctor: ./target/release/gotokell doctor   # Phase 5
Gates:  ./target/release/gotokell gates    # Phase 5 S3–S4 · G1–G12
Prove:  ./target/release/gotokell prove    # Phase 7 river pack
Flow:   ./target/release/gotokell flow     # Phase 7 grow · same as prove
       (default check: examples/door_cb1_hitme.kl · Sarah HP: examples/fleet_doors.kl)
Law: start pure · end pure · no Python in lang zip
Keel = retired name · Kell language · gotokell CLI
