diff --git a/.gitignore b/.gitignore
index a9faa8d..947d73e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 .worktrees/
+.claude/
 .venv/
 .pytest_cache/
 __pycache__/
diff --git a/deploy/deploy-test-server.sh b/deploy/deploy-test-server.sh
index 4bf4516..5a268dc 100755
--- a/deploy/deploy-test-server.sh
+++ b/deploy/deploy-test-server.sh
@@ -23,6 +23,7 @@ trap cleanup EXIT INT HUP TERM
 
 COPYFILE_DISABLE=1 tar -czf "$archive" \
     --exclude .git \
+    --exclude .claude \
     --exclude .venv \
     --exclude __pycache__ \
     --exclude .pytest_cache \
@@ -98,7 +99,15 @@ $sudo_cmd mkdir -p \
     /var/lib/left4me/workshop_cache \
     /var/lib/left4me/tmp
 
-$sudo_cmd chown -R left4me:left4me /var/lib/left4me /opt/left4me
+$sudo_cmd chown left4me:left4me \
+    /var/lib/left4me \
+    /var/lib/left4me/installation \
+    /var/lib/left4me/overlays \
+    /var/lib/left4me/instances \
+    /var/lib/left4me/runtime \
+    /var/lib/left4me/workshop_cache \
+    /var/lib/left4me/tmp
+$sudo_cmd chown -R left4me:left4me /opt/left4me
 
 mkdir -p "$repo_tmp"
 tar -xzf "$archive" -C "$repo_tmp"
@@ -143,10 +152,6 @@ fi
 run_as_left4me /opt/left4me/.venv/bin/python -m pip install --upgrade pip
 run_as_left4me /opt/left4me/.venv/bin/pip install -e /opt/left4me/l4d2host -e /opt/left4me/l4d2web
 
-run_left4me_with_env env \
-    JOB_WORKER_ENABLED=false \
-    /opt/left4me/.venv/bin/python -c "from l4d2web.app import create_app; create_app()"
-
 run_as_left4me sh -c "cd /opt/left4me/l4d2web && set -a; . /etc/left4me/host.env; . /etc/left4me/web.env; set +a; env \
     JOB_WORKER_ENABLED=false \
     PYTHONPATH=/opt/left4me \
diff --git a/deploy/tests/test_deploy_artifacts.py b/deploy/tests/test_deploy_artifacts.py
index 132c395..83bcaeb 100644
--- a/deploy/tests/test_deploy_artifacts.py
+++ b/deploy/tests/test_deploy_artifacts.py
@@ -33,10 +33,11 @@ def test_web_unit_contains_required_runtime_contract():
     assert "EnvironmentFile=/etc/left4me/web.env" in unit
     assert "ExecStart=/opt/left4me/.venv/bin/gunicorn" in unit
     assert "--workers 1" in unit
-    assert "NoNewPrivileges=true" in unit
-    assert "PrivateTmp=true" in unit
+    assert "NoNewPrivileges=true" not in unit
+    assert "PrivateTmp=true" not in unit
     assert "ProtectSystem=full" in unit
     assert "ReadWritePaths=/var/lib/left4me" in unit
+    assert "MountFlags=shared" in unit
 
 
 def test_server_unit_contains_required_runtime_contract():
@@ -169,6 +170,7 @@ def test_deploy_script_has_safe_defaults_and_preserves_state() -> None:
     assert "/var/lib/left4me/runtime" in script
     assert "tar" in script
     assert "--exclude .venv" in script
+    assert "--exclude .claude" in script
     assert "pip install -e /opt/left4me/l4d2host -e /opt/left4me/l4d2web" in script
     assert "systemctl enable --now left4me-web.service" in script
     assert "for attempt in" in script
@@ -183,5 +185,21 @@ def test_deploy_script_has_safe_defaults_and_preserves_state() -> None:
     assert "deploy/files" in script
 
 
+def test_deploy_script_does_not_recurse_into_runtime_state_mounts() -> None:
+    script = DEPLOY_SCRIPT.read_text()
+
+    assert "$sudo_cmd chown -R left4me:left4me /var/lib/left4me" not in script
+    assert "$sudo_cmd chown left4me:left4me \\" in script
+    assert "/var/lib/left4me/runtime \\" in script
+    assert "$sudo_cmd chown -R left4me:left4me /opt/left4me" in script
+
+
+def test_deploy_script_runs_migrations_before_app_initialization() -> None:
+    script = DEPLOY_SCRIPT.read_text()
+
+    assert "alembic -c /opt/left4me/l4d2web/alembic.ini upgrade head" in script
+    assert "from l4d2web.app import create_app; create_app()" not in script
+
+
 def test_deploy_script_shell_syntax() -> None:
     subprocess.run(["sh", "-n", str(DEPLOY_SCRIPT)], check=True)