feat(harness): persist server sessions in postgres

harness/tests/test_vector_migration_packaging.py

@@ -6,7 +6,7 @@ import zipfile
 from pathlib import Path
 
 
-def test_built_wheel_installs_vector_migrations_and_discovers_cli(tmp_path):
+def test_built_wheel_installs_migrations_and_discovers_cli(tmp_path):
     harness = Path(__file__).parents[1]
     wheelhouse = tmp_path / "wheelhouse"
     target = tmp_path / "site"
@@ -33,6 +33,8 @@ def test_built_wheel_installs_vector_migrations_and_discovers_cli(tmp_path):
         names = set(archive.namelist())
     assert "tht/migrations/vector/001_extensions.sql" in names
     assert "tht/migrations/vector/003_roles.sql" in names
+    assert "tht/migrations/sessions/001_schema.sql" in names
+    assert "tht/migrations/sessions/002_security.sql" in names
 
     subprocess.run(
         [sys.executable, "-m", "pip", "install", "--no-deps", "--target", str(target), wheel],
@@ -47,6 +49,8 @@ def test_built_wheel_installs_vector_migrations_and_discovers_cli(tmp_path):
             "-c",
             "from typer.testing import CliRunner; from tht.cli import app; "
             "r=CliRunner().invoke(app, ['vector','migrate','--help']); "
+            "assert r.exit_code == 0, r.output; "
+            "r=CliRunner().invoke(app, ['session','migrate','--help']); "
             "print(r.output); raise SystemExit(r.exit_code)",
         ],
         env=env,