feat(preprocess): publish incremental Evidence corpus

harness/tests/test_preprocess_cli.py

@@ -0,0 +1,32 @@
+import json
+from types import SimpleNamespace
+
+from typer.testing import CliRunner
+
+from tht.cli import app
+
+
+def test_preprocess_evidence_json_is_pristine(monkeypatch, tmp_path):
+    import tht.cli.preprocess_cmd as command
+
+    result = SimpleNamespace(model_dump=lambda mode=None: {
+        "status": "succeeded", "generation": "gen:abc", "published": True
+    })
+    monkeypatch.setattr(command, "run_from_config", lambda *args, **kwargs: result)
+    response = CliRunner().invoke(
+        app, ["preprocess", "evidence", "--json", "-c", str(tmp_path / "workspace.yaml")]
+    )
+    assert response.exit_code == 0, response.output
+    assert json.loads(response.output)["generation"] == "gen:abc"
+
+
+def test_preprocess_failure_is_structured_and_nonzero(monkeypatch, tmp_path):
+    import tht.cli.preprocess_cmd as command
+
+    monkeypatch.setattr(command, "run_from_config", lambda *a, **k: (_ for _ in ()).throw(RuntimeError("secret detail")))
+    response = CliRunner().invoke(
+        app, ["preprocess", "evidence", "--json", "-c", str(tmp_path / "workspace.yaml")]
+    )
+    assert response.exit_code != 0
+    assert json.loads(response.output) == {"status": "failed", "error": "preprocessing failed"}
+    assert "secret detail" not in response.output