feat: improve mode and peripheral orchestration

tests/unit/test_assistant_validated_control_projection.py

@@ -24,6 +24,14 @@ def compiled_mixed_result() -> dict[str, object]:
         "provider_used": "local_rules+infrared_local_rules",
         "execution_mode": "dry_run",
         "control_transport": "wired_can",
+        "parallel_dispatch": {
+            "enabled": True,
+            "preflight_status": "succeeded",
+            "dispatch": {
+                "started_skew_ms": 1.2,
+                "total_ms": 120.5,
+            },
+        },
         "function_configs": {
             "native_climate": {
                 "spec": {
@@ -155,6 +163,10 @@ class ValidatedControlProjectionTest(unittest.TestCase):
                 "compile",
             ],
         )
+        self.assertEqual(
+            projection["parallel_dispatch"]["preflight_status"],
+            "succeeded",
+        )
         serialized = json.dumps(projection, ensure_ascii=False)
         self.assertNotIn("command_plans", serialized)
         self.assertNotIn("data_hex", serialized)
@@ -362,6 +374,10 @@ class ValidatedControlProjectionTest(unittest.TestCase):
         )
         self.assertNotIn("command_plans", safe_result)
         self.assertNotIn("validated_control_commands", safe_result)
+        self.assertEqual(
+            safe_result["parallel_dispatch"]["preflight_status"],
+            "succeeded",
+        )
 
     def test_agent_tool_path_queues_projection_for_the_browser_thread(self) -> None:
         client = type("UnavailableClient", (), {"available": False})()