feat(host-agent): make execution history authoritative

apps/device-host-agent/host_agent/config.py

@@ -13,6 +13,11 @@ class HostAgentConfigurationError(ValueError):
 
 _LOOPBACK_BIND_HOSTS = frozenset({"127.0.0.1", "localhost", "::1"})
 _AI_PLANNER_TRANSPORTS = frozenset({"direct", "cloud"})
+_REMOVED_RUNTIME_SUPERVISION_SETTINGS = (
+    "HOST_AGENT_RUNTIME_SUPERVISED",
+    "HOST_AGENT_RUNTIME_HOST",
+    "HOST_AGENT_RUNTIME_PORT",
+)
 
 
 @dataclass(frozen=True)
@@ -39,9 +44,6 @@ class HostAgentConfig:
     appium_supervised: bool = False
     appium_host: str = "127.0.0.1"
     appium_port: int = 4723
-    runtime_supervised: bool = False
-    runtime_host: str = "127.0.0.1"
-    runtime_port: int = 8000
     dependency_restart_max_attempts: int = 5
     task_progress_db_path: Path = Path("host_agent_data/task_progress.sqlite3")
     task_artifact_dir: Path = Path("host_agent_data/history")
@@ -54,6 +56,7 @@ def load_host_agent_config(
     env: Mapping[str, str] | None = None,
 ) -> HostAgentConfig:
     values = os.environ if env is None else env
+    _reject_removed_runtime_supervision_settings(values)
     control_plane_url = (
         values.get(
             "HOST_AGENT_CONTROL_PLANE_URL",
@@ -134,9 +137,6 @@ def load_host_agent_config(
         appium_supervised=_truthy(values, "HOST_AGENT_APPIUM_SUPERVISED", False),
         appium_host=values.get("HOST_AGENT_APPIUM_HOST", "127.0.0.1").strip(),
         appium_port=_positive_int(values, "HOST_AGENT_APPIUM_PORT", 4723),
-        runtime_supervised=_truthy(values, "HOST_AGENT_RUNTIME_SUPERVISED", False),
-        runtime_host=values.get("HOST_AGENT_RUNTIME_HOST", "127.0.0.1").strip(),
-        runtime_port=_positive_int(values, "HOST_AGENT_RUNTIME_PORT", 8000),
         dependency_restart_max_attempts=_positive_int(
             values, "HOST_AGENT_DEPENDENCY_RESTART_MAX_ATTEMPTS", 5
         ),
@@ -177,6 +177,20 @@ def load_host_agent_config(
     return config
 
 
+def _reject_removed_runtime_supervision_settings(values: Mapping[str, str]) -> None:
+    configured = [
+        setting
+        for setting in _REMOVED_RUNTIME_SUPERVISION_SETTINGS
+        if setting in values
+    ]
+    if configured:
+        raise HostAgentConfigurationError(
+            f"{', '.join(configured)} has been removed with the standalone "
+            "Runtime service. Use the Host Agent console for task evidence "
+            "and HOST_AGENT_APPIUM_SUPERVISED for optional Appium supervision."
+        )
+
+
 def _parse_ai_planner_transport(value: str | None) -> str:
     if value is None:
         return "cloud"