feat: harden runtime readiness and session workflow

harness/tests/test_session_list_json.py

@@ -163,3 +163,43 @@ def test_cli_show_json_stdout_pristine(tmp_path, monkeypatch):
     # stdout must parse cleanly as JSON
     data = json.loads(result.output)
     assert isinstance(data, dict)
+
+
+def test_cli_retrieval_pack_emits_persisted_content(tmp_path, monkeypatch):
+    db = _make_db()
+    manifest = create_session("test question", db, tmp_path)
+    expected = "# Retrieval pack\n\ncontenuto già pronto\n"
+    (tmp_path / manifest.id / "retrieval_pack.md").write_text(expected)
+
+    from tht.cli import session_cmd
+
+    class FakePaths:
+        sessions = tmp_path
+
+    class FakeCfg:
+        paths = FakePaths()
+
+    monkeypatch.setattr(session_cmd, "_load_config_or_exit", lambda _: FakeCfg())
+    result = CliRunner().invoke(session_app, ["retrieval-pack", manifest.id])
+
+    assert result.exit_code == 0, result.output
+    assert result.output == expected
+
+
+def test_cli_retrieval_pack_missing_is_clear_error(tmp_path, monkeypatch):
+    db = _make_db()
+    manifest = create_session("test question", db, tmp_path)
+
+    from tht.cli import session_cmd
+
+    class FakePaths:
+        sessions = tmp_path
+
+    class FakeCfg:
+        paths = FakePaths()
+
+    monkeypatch.setattr(session_cmd, "_load_config_or_exit", lambda _: FakeCfg())
+    result = CliRunner().invoke(session_app, ["retrieval-pack", manifest.id])
+
+    assert result.exit_code == 1
+    assert "retrieval pack non disponibile" in result.output