fix: recover durable route paths after restart

tests/test_daemon.py

@@ -280,6 +280,10 @@ class DaemonTransportTests(unittest.IsolatedAsyncioTestCase):
                 for _ in range(3)
             ]
             self.assertEqual([item.sequence for item in resumed], [1, 2, 3])
+            self.assertEqual(manager.configure.call_count, 2)
+            self.assertEqual(
+                restarted._route_path("route-1"), root / "routes/route-1"
+            )
 
     async def test_slow_inventory_does_not_block_heartbeat(self):
         with tempfile.TemporaryDirectory() as directory:

tests/test_deployment_preflight.py

@@ -55,9 +55,11 @@ class DeploymentPreflightTests(unittest.TestCase):
             args=[], returncode=0, stdout="hard-link staging probe passed\n", stderr=""
         )
         with mock.patch.object(preflight.subprocess, "run", return_value=completed) as run:
-            preflight.run_hardlink_probe("client", "/data/qb", "/data/qb/routes")
+            preflight.run_hardlink_probe(
+                "client", "/data/qb", "/data/qb/routes", "1001:1001"
+            )
         args = run.call_args.args[0]
-        self.assertEqual(args[:5], ["docker", "exec", "client", "python", "-c"])
+        self.assertEqual(args[:6], ["docker", "exec", "--user", "1001:1001", "client", "python"])
         self.assertEqual(args[-2:], ["/data/qb", "/data/qb/routes"])
 
     def test_hardlink_probe_failure_is_actionable(self):
@@ -68,6 +70,14 @@ class DeploymentPreflightTests(unittest.TestCase):
             with self.assertRaisesRegex(preflight.CheckFailure, "hard-link staging probe failed"):
                 preflight.run_hardlink_probe("client", "/data/qb", "/data/qb/routes")
 
+    def test_existing_route_directory_failure_is_actionable(self):
+        completed = __import__("subprocess").CompletedProcess(
+            args=[], returncode=1, stdout='{"missing":[{"folder_id":"route-1"}]}', stderr=""
+        )
+        with mock.patch.object(preflight.subprocess, "run", return_value=completed):
+            with self.assertRaisesRegex(preflight.CheckFailure, "route directory is missing"):
+                preflight.run_existing_route_directory_check("client", "/config.toml")
+
 
 if __name__ == "__main__":
     unittest.main()