feat(host-agent): make execution history authoritative

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

@@ -1,7 +1,6 @@
-"""Optional supervisor for the two local external processes the Host Agent
-depends on for the macOS single-machine real-device workflow: the Appium
-server (which gates real ``Driver.connect()``) and the local Runtime API
-(used for local inspection).
+"""Optional supervisor for Appium in the macOS single-machine real-device
+workflow. Appium gates real driver connections; task inspection is provided by
+the Host Agent's own console.
 
 Lives in ``host_agent`` because it spawns and monitors host-level processes
 alongside the heartbeat/claim loop. Off by default; see ``HostAgentConfig``.
@@ -56,18 +55,6 @@ def probe_appium(host: str, port: int) -> ProbeResult:
     return _probe_http(host, port, path="/status")
 
 
-def probe_runtime(host: str, port: int) -> ProbeResult:
-    """Probe the local Runtime API at ``host:port``. Healthy iff ``GET /devices``
-    returns 200 with a JSON body.
-
-    ``api.rest.create_app`` does not expose a dedicated ``/health`` endpoint;
-    ``/devices`` is the stable read-only GET that proves the FastAPI app is
-    mounted and the device manager is reachable. Per design.md Decision 2 this
-    is the "equivalent existing endpoint" used for the readiness check.
-    """
-    return _probe_http(host, port, path="/devices")
-
-
 def _probe_http(host: str, port: int, *, path: str) -> ProbeResult:
     # Step 1: plain TCP connect — distinguish "nothing listening" (→ spawn)
     # from "something is there but wrong" (→ port conflict, skip).
@@ -98,18 +85,6 @@ def appium_argv_factory(host: str, port: int) -> list[str]:
     return ["appium", "--address", host, "--port", str(port)]
 
 
-def runtime_argv_factory(host: str, port: int) -> list[str]:
-    return [
-        "uvicorn",
-        "api.rest:create_app",
-        "--factory",
-        "--host",
-        host,
-        "--port",
-        str(port),
-    ]
-
-
 @dataclass
 class SupervisedDependency:
     """Config + mutable runtime state for one supervised external process."""
@@ -190,16 +165,6 @@ class DependencySupervisor:
                     probe=probe_appium,
                 )
             )
-        if ha_config.runtime_supervised:
-            deps.append(
-                SupervisedDependency(
-                    name="runtime",
-                    host=ha_config.runtime_host,
-                    port=ha_config.runtime_port,
-                    argv_factory=runtime_argv_factory,
-                    probe=probe_runtime,
-                )
-            )
         return cls(
             deps,
             max_attempts=ha_config.dependency_restart_max_attempts,