Add lighthouse showcase pack (v0.1 runnable, v0.2 draft); fix manual-check cycle and blocked-step feedback (RBT-WP-0004-T05)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Assistant: claude-code
Assistant-Model: sonnet
Assistant-Process: 295952@bnt-lap001
Assistant-Session: e93f64ad-516c-46eb-9666-aad8d300c477

tests/test_showcase.py

@@ -0,0 +1,69 @@
+from pathlib import Path
+import shutil
+import subprocess
+
+import pytest
+import yaml
+
+from rtut import pack as P, run as R
+
+ROOT = Path(__file__).resolve().parent.parent
+SRC = ROOT / "runbooks/showcase-lighthouse"
+
+
+@pytest.fixture
+def pk(tmp_path):
+    d = tmp_path / "runbooks" / "showcase"; d.mkdir(parents=True)
+    shutil.copy(SRC / "pack.yaml", d / "pack.yaml")
+    return P.load(d / "pack.yaml")
+
+
+def test_showcase_is_valid():
+    assert P.load(SRC / "pack.yaml").ok
+
+
+def test_v02_draft_is_wellformed_and_self_consistent():
+    d = yaml.safe_load((SRC / "pack.v0.2.draft.yaml").read_text())
+    assert d["spec"] == "runbook-pack/v0.2"
+    actors = {a["id"] for a in d["actors"]}
+    dps = {x["id"] for x in d["datapoints"]}
+    steps = {}
+    for st in d["stages"]:
+        for s in st["steps"]:
+            steps[s["id"]] = s
+            assert s["actor"] in actors
+            for u in s.get("uses", []):
+                assert u in dps, u
+    gates = {g["id"] for st in d["stages"] for g in st.get("gates", [])}
+    stages = {st["id"] for st in d["stages"]}
+    for st in d["stages"]:
+        for r in st.get("requires", []):
+            assert r.removeprefix("gate:") in gates | stages
+    assert any(s.get("reversible") is False for s in steps.values())
+    assert any("one_of" in s for s in steps.values())
+    assert not any(k.startswith("secret") for x in d["datapoints"] for k in x)
+
+
+def test_scripted_playthrough(pk):
+    r = R.create(pk, "tester", {"keeper": "Ada", "weather": "storm", "motto": "Light on"})
+    for s in pk.data["steps"]:
+        sid = s["id"]
+        R.start(r, sid)
+        cmd = R.command_for(r, sid)          # the operator runs the command...
+        if cmd:
+            subprocess.run(cmd, shell=True, check=True, capture_output=True)
+        v = s["verify"]                     # ...then the engine verifies the result
+        res = R.verify(r, sid, confirm=True, manual_ok=True if v["expect"] == "manual" else None)
+        assert res["passed"], sid
+        R.complete(r, sid, {n: "1" for n in s.get("evidence", [])})
+    assert r.complete
+    assert not Path(r.data["params"]["logdir"]).exists()
+    old, new = R.exercise_update(r)
+    assert "exercised" in new
+
+
+def test_bad_logdir_rejected(pk):
+    with pytest.raises(R.RunError):
+        R.create(pk, "tester", {"logdir": "/etc"})
+    with pytest.raises(R.RunError):
+        R.create(pk, "tester", {"motto": 'x"; rm -rf /'})