Add Railiance Stage 2 deploy observe tooling

bin/railiance

@@ -18,6 +18,8 @@ Commands:
   init-repo     Idempotently furnish repo housekeeping
   create-overlay Scaffold a Railiance overlay repo for an upstream app
   run           Run Stage 1 local validation from railiance/app.toml
+  deploy        Plan/apply Stage 2 canary deployment
+  observe       Plan/run Stage 2 observation checks
   build-spore   Build a distributable "Spore" bundle
   seed-local    Run the seed script on this machine
   checklist     Pre-VM checklist
@@ -43,6 +45,8 @@ case "$cmd" in
   init-repo) bash "$ROOT/tools/furnish_railiance_repo.sh" ;;
   create-overlay) bash "$ROOT/tools/create_railiance_overlay_repo.sh" "$@" ;;
   run) exec railiance-run "$@" ;;
+  deploy) exec railiance-stage2 deploy "$@" ;;
+  observe) exec railiance-stage2 observe "$@" ;;
   build-spore) bash "$ROOT/tools/build_spore.sh" ;;
   seed-local) bash "$ROOT/tools/seed_node.sh" ;;
   checklist)