feat: enable remote SDK and resilient device orchestration

tests/integration/test_thin_sdk_live.py

@@ -0,0 +1,128 @@
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+"""Opt-in live contract test for the remote-only Python SDK.
+
+Run with:
+    ARTEMIS_TEST_DEVICE_SERIAL=<serial> pytest tests/integration/test_thin_sdk_live.py
+"""
+
+from __future__ import annotations
+
+import os
+import asyncio
+import time
+import uuid
+
+import pytest
+
+from artemis_client import ArtemisClient, TaskRejectedError
+
+
+def _live_client() -> tuple[ArtemisClient, str]:
+    serial = os.environ.get("ARTEMIS_TEST_DEVICE_SERIAL")
+    if not serial:
+        pytest.skip("ARTEMIS_TEST_DEVICE_SERIAL is required for the live SDK test")
+    return (
+        ArtemisClient(
+            os.environ.get("ARTEMIS_BASE_URL", "http://127.0.0.1:8000"),
+            device_serial=serial,
+            default_profile="flash",
+            poll_interval=0.5,
+        ),
+        serial,
+    )
+
+
+@pytest.mark.android
+@pytest.mark.asyncio
+async def test_thin_sdk_remote_contract_on_real_device():
+    client, serial = _live_client()
+
+    readiness = await client.health()
+    assert readiness
+
+    capabilities = await client.capabilities()
+    assert capabilities.supports("tasks.submit")
+
+    devices = await client.list_devices()
+    assert any(device.serial == serial and device.state == "device" for device in devices)
+
+    task_id = str(uuid.uuid4())
+    handle = await client.submit(
+        "Open Android Settings, navigate to About phone, and verify that the visible model is Pixel 10 "
+        "and the Android version is 16. Do not change any setting. Stop after both values are observed.",
+        task_id=task_id,
+        locked_app_package="com.android.settings",
+    )
+    assert handle.task_id == task_id
+
+    duplicate = await client.submit(
+        "Open Android Settings, navigate to About phone, and verify that the visible model is Pixel 10 "
+        "and the Android version is 16. Do not change any setting. Stop after both values are observed.",
+        task_id=task_id,
+        locked_app_package="com.android.settings",
+    )
+    assert duplicate.task_id == task_id
+
+    result = await client.wait_for_task(task_id, timeout=600)
+    assert result.succeeded, result.error or result.raw
+
+    cleanup_deadline = time.monotonic() + 30
+    while time.monotonic() < cleanup_deadline:
+        scheduler = await client.health()
+        if scheduler.get("status") == "idle" and not scheduler.get("active_tasks"):
+            break
+        await asyncio.sleep(0.5)
+    else:
+        pytest.fail("Artemis scheduler did not release the device after task completion")
+
+
+@pytest.mark.android
+@pytest.mark.asyncio
+async def test_thin_sdk_rejects_unknown_real_device_serial():
+    client, _ = _live_client()
+
+    with pytest.raises(TaskRejectedError):
+        await client.submit(
+            "This task must never reach a device",
+            device_serial="artemis-nonexistent-device",
+        )
+
+
+@pytest.mark.android
+@pytest.mark.asyncio
+async def test_thin_sdk_can_cancel_remote_task_and_release_device():
+    client, _ = _live_client()
+    task_id = str(uuid.uuid4())
+    await client.submit(
+        "Open Android Settings and inspect the top-level categories without changing anything.",
+        task_id=task_id,
+        locked_app_package="com.android.settings",
+    )
+
+    assert await client.stop(task_id)
+
+    cleanup_deadline = time.monotonic() + 30
+    while time.monotonic() < cleanup_deadline:
+        scheduler = await client.health()
+        active_ids = {
+            str(item.get("session_id"))
+            for item in scheduler.get("active_tasks", [])
+            if isinstance(item, dict)
+        }
+        queued_ids = {
+            str(item.get("session_id"))
+            for item in scheduler.get("queue", [])
+            if isinstance(item, dict)
+        }
+        if task_id not in active_ids | queued_ids:
+            break
+        await asyncio.sleep(0.5)
+    else:
+        pytest.fail("Cancelled task still owns a scheduler slot or device lock")

tests/unit/admin_console/test_security_boundary.py

@@ -0,0 +1,212 @@
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Security regression tests for the Artemis console boundary.
+
+Covers the invariants the no-auth security model depends on:
+- secrets never appear in HTTP responses,
+- media endpoints cannot read files outside the media allowlist,
+- cross-origin browser traffic and DNS-rebinding Hosts are rejected,
+- no CORS grants exist,
+- lifecycle controls stay loopback-only.
+"""
+
+import secrets as py_secrets
+from unittest.mock import MagicMock, patch
+
+import pytest
+from httpx import ASGITransport, AsyncClient
+from pydantic import SecretStr
+
+from apps.admin_console.server import app
+from artemis.config import TRACES_PATH, WORKSPACE_ROOT
+
+
+def _client(**transport_kwargs) -> AsyncClient:
+    return AsyncClient(
+        transport=ASGITransport(app=app, **transport_kwargs), base_url="http://localhost"
+    )
+
+
+# ---------------------------------------------------------------------------
+# Secret exposure
+# ---------------------------------------------------------------------------
+
+
+@pytest.mark.asyncio
+async def test_credentials_endpoint_never_returns_key_material(monkeypatch):
+    from artemis.config import settings
+
+    honeytoken = f"sk-honeytoken-{py_secrets.token_hex(16)}"
+    monkeypatch.setattr(
+        type(settings), "get_api_key", lambda self, provider: SecretStr(honeytoken)
+    )
+
+    async with _client() as ac:
+        res = await ac.get("/api/system/credentials")
+
+    assert res.status_code == 200
+    assert honeytoken not in res.text
+    providers = {entry["name"]: entry["configured"] for entry in res.json()["providers"]}
+    assert providers.get("google") is True
+
+
+@pytest.mark.asyncio
+async def test_server_status_omits_lifecycle_token_and_metadata():
+    async with _client() as ac:
+        res = await ac.get("/api/system/server-status")
+
+    assert res.status_code == 200
+    data = res.json()
+    assert "metadata" not in data
+    assert "lifecycle_token" not in res.text
+    assert "cmdline" not in res.text
+    assert "current_pid" in data
+
+
+# ---------------------------------------------------------------------------
+# File access boundaries
+# ---------------------------------------------------------------------------
+
+
+@pytest.mark.asyncio
+async def test_videos_endpoint_refuses_dotenv_and_non_video_files():
+    async with _client() as ac:
+        for target in (".env", "pyproject.toml", "artemis/__init__.py"):
+            res = await ac.get(f"/videos/{target}")
+            assert res.status_code in (403, 404), target
+            assert "API_KEY" not in res.text
+
+
+@pytest.mark.asyncio
+async def test_videos_endpoint_refuses_encoded_traversal():
+    async with _client() as ac:
+        for target in (
+            "%2e%2e/%2e%2e/etc/passwd",
+            "..%5c..%5cwindows%5cwin.ini",
+            "%2e%2e%2f.env",
+        ):
+            res = await ac.get(f"/videos/{target}")
+            assert res.status_code in (403, 404), target
+
+
+@pytest.mark.asyncio
+async def test_videos_endpoint_still_serves_real_recordings():
+    TRACES_PATH.mkdir(parents=True, exist_ok=True)
+    probe = TRACES_PATH / f"security-probe-{py_secrets.token_hex(4)}.mp4"
+    probe.write_bytes(b"\x00\x00\x00\x18ftypmp42")
+    try:
+        async with _client() as ac:
+            res = await ac.get(f"/videos/{probe.name}")
+        assert res.status_code == 200
+        assert res.headers["content-type"].startswith("video/mp4")
+    finally:
+        probe.unlink(missing_ok=True)
+
+
+@pytest.mark.asyncio
+async def test_local_file_endpoint_refuses_non_media_workspace_files():
+    async with _client() as ac:
+        for target in (
+            str(WORKSPACE_ROOT / ".env"),
+            str(WORKSPACE_ROOT / "pyproject.toml"),
+            "file://" + str(WORKSPACE_ROOT / ".env"),
+        ):
+            res = await ac.get("/local_file", params={"path": target})
+            assert res.status_code in (403, 404), target
+            assert "API_KEY" not in res.text
+
+
+@pytest.mark.asyncio
+async def test_spa_route_does_not_leak_files_outside_static_roots():
+    async with _client() as ac:
+        res = await ac.get("/%2e%2e/%2e%2e/pyproject.toml")
+
+    # The catch-all SPA route must fall back to HTML, never the file content.
+    assert "requires-python" not in res.text
+    assert res.headers["content-type"].startswith("text/html")
+
+
+# ---------------------------------------------------------------------------
+# Browser boundary: Host, Origin, CORS
+# ---------------------------------------------------------------------------
+
+
+@pytest.mark.asyncio
+async def test_dns_rebinding_host_is_rejected():
+    async with AsyncClient(
+        transport=ASGITransport(app=app), base_url="http://attacker.example"
+    ) as ac:
+        res = await ac.get("/api/system/emulator/status")
+
+    assert res.status_code == 403
+
+
+@pytest.mark.asyncio
+async def test_cross_origin_browser_request_is_rejected_without_cors_grant():
+    async with _client() as ac:
+        res = await ac.post(
+            "/api/system/emulator/dismiss",
+            headers={"Origin": "https://attacker.example"},
+        )
+
+    assert res.status_code == 403
+    assert "access-control-allow-origin" not in {k.lower() for k in res.headers}
+
+
+@pytest.mark.asyncio
+async def test_same_origin_browser_request_passes():
+    async with _client() as ac:
+        res = await ac.get(
+            "/api/system/emulator/status", headers={"Origin": "http://localhost"}
+        )
+
+    assert res.status_code == 200
+
+
+@pytest.mark.asyncio
+async def test_null_origin_is_rejected():
+    async with _client() as ac:
+        res = await ac.get("/api/system/emulator/status", headers={"Origin": "null"})
+
+    assert res.status_code == 403
+
+
+@pytest.mark.asyncio
+async def test_security_headers_present_and_api_responses_uncacheable():
+    async with _client() as ac:
+        res = await ac.get("/api/system/emulator/status")
+
+    assert res.headers.get("x-content-type-options") == "nosniff"
+    assert res.headers.get("referrer-policy") == "no-referrer"
+    assert res.headers.get("cache-control") == "no-store"
+
+
+# ---------------------------------------------------------------------------
+# Lifecycle controls
+# ---------------------------------------------------------------------------
+
+
+@pytest.mark.asyncio
+async def test_restart_is_loopback_only():
+    with patch("threading.Thread") as mock_thread:
+        mock_thread.return_value = MagicMock()
+        async with AsyncClient(
+            transport=ASGITransport(app=app, client=("203.0.113.9", 51000)),
+            base_url="http://localhost",
+        ) as ac:
+            res = await ac.post("/api/system/restart")
+
+        assert res.status_code == 403
+        mock_thread.assert_not_called()

tests/unit/admin_console/test_session_status_normalization.py

@@ -0,0 +1,60 @@
+"""Legacy "success" session rows must surface as the canonical "completed".
+
+The sessions table historically received "success" from the DataEngine while
+the queue reconcile wrote "completed", so API consumers saw a mix of both
+terminal strings. Reads through the repository now normalize the legacy alias;
+get_session_status stays raw so the queue reconcile can persist the rewrite.
+"""
+
+from apps.admin_console.database.connection import db_session
+from apps.admin_console.database.repositories.session_repository import SessionRepository
+
+
+def _insert_session(db_path, session_id, status):
+    with db_session(db_path) as conn:
+        conn.execute(
+            "INSERT INTO sessions "
+            "(session_id, initial_goal, start_time, end_time, status, device_info, pid) "
+            "VALUES (?, ?, ?, ?, ?, ?, ?)",
+            (session_id, session_id, 1.0, 2.0, status, "{}", None),
+        )
+        conn.commit()
+
+
+def test_get_all_sessions_normalizes_legacy_success(tmp_path):
+    db_path = tmp_path / "sessions.db"
+    repository = SessionRepository(db_path)
+    _insert_session(db_path, "legacy", "success")
+    _insert_session(db_path, "modern", "completed")
+    _insert_session(db_path, "broken", "failed")
+
+    statuses = {r["session_id"]: r["status"] for r in repository.get_all_sessions()}
+    assert statuses == {"legacy": "completed", "modern": "completed", "broken": "failed"}
+
+
+def test_get_session_by_id_normalizes_legacy_success(tmp_path):
+    db_path = tmp_path / "sessions.db"
+    repository = SessionRepository(db_path)
+    _insert_session(db_path, "legacy", "success")
+
+    row = repository.get_session_by_id("legacy")
+    assert row is not None
+    assert row["status"] == "completed"
+
+
+def test_get_latest_session_normalizes_legacy_success(tmp_path):
+    db_path = tmp_path / "sessions.db"
+    repository = SessionRepository(db_path)
+    _insert_session(db_path, "legacy", "success")
+
+    row = repository.get_latest_session()
+    assert row is not None
+    assert row["status"] == "completed"
+
+
+def test_get_session_status_stays_raw_for_queue_reconcile(tmp_path):
+    db_path = tmp_path / "sessions.db"
+    repository = SessionRepository(db_path)
+    _insert_session(db_path, "legacy", "success")
+
+    assert repository.get_session_status("legacy") == "success"

tests/unit/admin_console/test_system_emulator_endpoints.py

@@ -43,7 +43,7 @@ def test_emulator_uses_windows_console_isolation():
 async def test_system_emulator_status_endpoint():
     """Verify GET /api/system/emulator/status returns valid schema."""
     transport = ASGITransport(app=app)
-    async with AsyncClient(transport=transport, base_url="http://test") as ac:
+    async with AsyncClient(transport=transport, base_url="http://localhost") as ac:
         res = await ac.get("/api/system/emulator/status")
         assert res.status_code == 200
         data = res.json()
@@ -57,7 +57,7 @@ async def test_system_emulator_status_endpoint():
 async def test_system_emulator_dismiss_endpoint():
     """Verify POST /api/system/emulator/dismiss resets tracker state."""
     transport = ASGITransport(app=app)
-    async with AsyncClient(transport=transport, base_url="http://test") as ac:
+    async with AsyncClient(transport=transport, base_url="http://localhost") as ac:
         res = await ac.post("/api/system/emulator/dismiss")
         assert res.status_code == 200
         data = res.json()
@@ -68,6 +68,34 @@ async def test_system_emulator_dismiss_endpoint():
 async def test_system_emulator_launch_empty_validation():
     """Verify POST /api/system/emulator/launch validates empty avd_name."""
     transport = ASGITransport(app=app)
-    async with AsyncClient(transport=transport, base_url="http://test") as ac:
+    async with AsyncClient(transport=transport, base_url="http://localhost") as ac:
         res = await ac.post("/api/system/emulator/launch", json={"avd_name": "   "})
         assert res.status_code == 400
+
+
+@pytest.mark.asyncio
+async def test_adb_endpoint_mutation_rejects_cross_origin_browser_requests():
+    transport = ASGITransport(app=app)
+    async with AsyncClient(transport=transport, base_url="http://localhost") as ac:
+        res = await ac.post(
+            "/api/system/adb/server/probe",
+            json={"host": "127.0.0.1", "port": 5038, "persist": False},
+            headers={"Origin": "https://untrusted.example"},
+        )
+
+    assert res.status_code == 403
+    assert "Artemis console" in res.json()["detail"]
+
+
+@pytest.mark.asyncio
+async def test_adb_endpoint_mutation_is_local_only_by_default(monkeypatch):
+    monkeypatch.delenv("ARTEMIS_ALLOW_REMOTE_ADB_CONFIGURATION", raising=False)
+    transport = ASGITransport(app=app, client=("192.168.1.20", 42000))
+    async with AsyncClient(transport=transport, base_url="http://localhost") as ac:
+        res = await ac.post(
+            "/api/system/adb/server/probe",
+            json={"host": "127.0.0.1", "port": 5038, "persist": False},
+        )
+
+    assert res.status_code == 403
+    assert "local-only" in res.json()["detail"]

tests/unit/admin_console/test_task_device_readiness.py

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from types import SimpleNamespace
 from unittest.mock import AsyncMock
 
 from fastapi import HTTPException
@@ -112,3 +113,131 @@ async def test_run_task_switches_to_unlocked_device_and_syncs_engine(monkeypatch
     assert kwargs.get("device_serial") == "emulator-5556"
     set_active_mock.assert_called_once_with("emulator-5556")
 
+
+@pytest.mark.asyncio
+async def test_idempotent_retry_skips_device_probe_for_active_session(monkeypatch):
+    run_probe = AsyncMock()
+    monkeypatch.setattr(
+        tasks.readiness_engine, "run_device_submission_probe", run_probe
+    )
+    monkeypatch.setattr(tasks.state, "active_session_id", "sdk-task-1")
+    monkeypatch.setattr(tasks.state, "active_connections", {})
+    monkeypatch.setattr(
+        tasks.session_repo,
+        "get_session_by_id",
+        lambda session_id: None,
+    )
+
+    result = await tasks.run_task(
+        RunRequest(
+            goal="Open Settings",
+            session_id="sdk-task-1",
+            device_serial="pixel-10",
+            ingress="python_sdk",
+        )
+    )
+
+    assert result["status"] == "running"
+    assert result["enqueued_count"] == 0
+    assert result["tasks"][0]["session_id"] == "sdk-task-1"
+    run_probe.assert_not_awaited()
+
+
+@pytest.mark.asyncio
+async def test_unknown_explicit_device_is_rejected_before_readiness_probe(monkeypatch):
+    run_probe = AsyncMock()
+    monkeypatch.setattr(tasks.readiness_engine, "run_device_submission_probe", run_probe)
+    monkeypatch.setattr(tasks.state, "active_session_id", None)
+    monkeypatch.setattr(tasks.state, "active_connections", {})
+    monkeypatch.setattr(tasks.state, "queue_items", [])
+    monkeypatch.setattr(tasks.session_repo, "get_session_by_id", lambda session_id: None)
+    monkeypatch.setattr(
+        tasks.device_pool,
+        "try_list_devices_async",
+        AsyncMock(
+            return_value=[
+                SimpleNamespace(serial="pixel-10", state="device"),
+            ]
+        ),
+    )
+
+    result = await tasks.run_task(
+        RunRequest(
+            goal="Must not run",
+            device_serial="missing-device",
+            session_id="00000000-0000-4000-8000-000000000099",
+        )
+    )
+
+    assert result["status"] == "rejected"
+    assert result["tasks"] == []
+    assert "not connected" in result["error"]
+    run_probe.assert_not_awaited()
+
+
+@pytest.mark.asyncio
+async def test_explicit_device_is_rejected_when_attached_but_not_ready(monkeypatch):
+    run_probe = AsyncMock()
+    monkeypatch.setattr(tasks.readiness_engine, "run_device_submission_probe", run_probe)
+    monkeypatch.setattr(tasks.state, "active_session_id", None)
+    monkeypatch.setattr(tasks.state, "active_connections", {})
+    monkeypatch.setattr(tasks.state, "queue_items", [])
+    monkeypatch.setattr(tasks.session_repo, "get_session_by_id", lambda session_id: None)
+    monkeypatch.setattr(
+        tasks.device_pool,
+        "try_list_devices_async",
+        AsyncMock(
+            return_value=[
+                SimpleNamespace(serial="pixel-10", state="unauthorized"),
+            ]
+        ),
+    )
+
+    result = await tasks.run_task(
+        RunRequest(
+            goal="Must not run",
+            device_serial="pixel-10",
+            session_id="00000000-0000-4000-8000-000000000100",
+        )
+    )
+
+    assert result["status"] == "rejected"
+    assert "unauthorized" in result["error"]
+    run_probe.assert_not_awaited()
+
+
+@pytest.mark.parametrize("enumeration", [None, []])
+@pytest.mark.asyncio
+async def test_explicit_device_proceeds_when_enumeration_is_indeterminate(
+    monkeypatch, enumeration
+):
+    """A failed (None) or empty enumeration must never hard-reject an explicit
+    serial: the submission queues and fails downstream if the device is truly
+    absent. This is the startup-storm regression guard."""
+    run_probe = AsyncMock(return_value=None)
+    enqueue_tasks = AsyncMock(return_value={"status": "queued", "tasks": []})
+    monkeypatch.setattr(tasks.readiness_engine, "run_device_submission_probe", run_probe)
+    monkeypatch.setattr(tasks.task_queue_service, "enqueue_tasks", enqueue_tasks)
+    monkeypatch.setattr(tasks.state, "active_session_id", None)
+    monkeypatch.setattr(tasks.state, "active_connections", {})
+    monkeypatch.setattr(tasks.state, "queue_items", [])
+    monkeypatch.setattr(tasks.session_repo, "get_session_by_id", lambda session_id: None)
+    monkeypatch.setattr(
+        tasks.device_pool,
+        "try_list_devices_async",
+        AsyncMock(return_value=enumeration),
+    )
+
+    result = await tasks.run_task(
+        RunRequest(
+            goal="Queue through the startup storm",
+            device_serial="pixel-10",
+            session_id="00000000-0000-4000-8000-000000000101",
+        )
+    )
+
+    assert result["status"] == "queued"
+    enqueue_tasks.assert_awaited_once()
+    _, kwargs = enqueue_tasks.call_args
+    assert kwargs.get("device_serial") == "pixel-10"
+

tests/unit/admin_console/test_task_queue_service.py

@@ -25,12 +25,22 @@ from apps.admin_console.core.state import state
 from apps.admin_console.routers.tasks import get_status
 from apps.admin_console.services.task_queue_service import TaskQueueService, task_queue_service
 from artemis.runtime.device_lock import DeviceLockOwner
+from artemis.runtime.adb_endpoint import AdbEndpoint
 
 
 @pytest.fixture(autouse=True)
 def clean_state(tmp_path, monkeypatch):
     """Reset global state between tests."""
     isolated_pause_file = tmp_path / ".artemis_paused"
+    # Redirect DeviceExecutionLock's lock/queue directory into tmp_path so that
+    # enqueue reservations never touch the real %TEMP%/artemis/device-locks dir
+    # (a live daemon merges those tickets into its /api/status queue view).
+    isolated_lock_dir = tmp_path / "device-locks"
+    isolated_lock_dir.mkdir(parents=True, exist_ok=True)
+    monkeypatch.setattr(
+        "artemis.runtime.device_lock.get_temp_dir",
+        lambda _subfolder=None: isolated_lock_dir,
+    )
     state_module = importlib.import_module("apps.admin_console.core.state")
     queue_module = importlib.import_module("apps.admin_console.services.task_queue_service")
     monkeypatch.setattr(state_module, "PAUSE_FILE", isolated_pause_file)
@@ -62,16 +72,6 @@ def clean_state(tmp_path, monkeypatch):
     if state.worker_task and not state.worker_task.done():
         state.worker_task.cancel()
     state.worker_task = None
-    from artemis.config.paths import get_temp_dir
-    from artemis.runtime.device_lock import DeviceExecutionLock
-    DeviceExecutionLock.cleanup_stale_locks()
-    queue_dir = get_temp_dir("device-locks") / "artemis-global-device.queue"
-    if queue_dir.exists():
-        for p in queue_dir.glob("*.wait"):
-            try:
-                p.unlink(missing_ok=True)
-            except OSError:
-                pass
 
 
 def test_paused_error_reads_persisted_reason(tmp_path):
@@ -94,6 +94,37 @@ async def test_get_next_pending_task():
     assert next_task["goal"] == "Goal A"
 
 
+@pytest.mark.asyncio
+async def test_enqueued_task_keeps_its_adb_endpoint_snapshot():
+    original = AdbEndpoint.create("127.0.0.1", 5038)
+    changed = AdbEndpoint.local()
+    with (
+        patch.object(TaskQueueService, "ensure_worker_running"),
+        patch(
+            "apps.admin_console.services.task_queue_service.current_adb_endpoint",
+            return_value=original,
+        ),
+        patch(
+            "artemis.runtime.device_pool.device_pool.select_device",
+            return_value="emulator-5554",
+        ),
+    ):
+        result = await TaskQueueService.enqueue_tasks(["Keep endpoint"])
+
+    task_item = result["tasks"][0]
+    assert task_item["adb_endpoint"]["identity"] == original.identity
+
+    with patch(
+        "apps.admin_console.services.task_queue_service.current_adb_endpoint",
+        return_value=changed,
+    ):
+        target = TaskQueueService._task_target(task_item)
+
+    assert target.endpoint == original
+    assert target.serial == "emulator-5554"
+    assert target.lock_key == f"{original.identity}/emulator-5554"
+
+
 @pytest.mark.parametrize(
     ("current_status", "returncode", "stopped", "expected"),
     [
@@ -190,8 +221,18 @@ async def test_queue_worker_execution_lifecycle():
     with (
         patch("asyncio.create_subprocess_exec", side_effect=fake_subprocess_exec),
         patch("apps.admin_console.services.task_queue_service.session_repo") as mock_repo,
+        patch("apps.admin_console.services.task_queue_service.media_service"),
+        patch(
+            "artemis.core.diagnostics.readiness_engine.get_active_device_serial",
+            return_value=None,
+        ),
+        patch(
+            "artemis.runtime.device_pool.device_pool.select_device",
+            return_value="emulator-5554",
+        ),
     ):
         mock_repo.get_running_session_id.return_value = None
+        mock_repo.get_video_recording_for_session.return_value = {"status": "ready"}
         # Enqueue two tasks
         res = await task_queue_service.enqueue_tasks(["First Task", "Second Task"])
         assert res["enqueued_count"] == 2
@@ -230,8 +271,18 @@ async def test_queue_worker_cmd_construction():
     with (
         patch("asyncio.create_subprocess_exec", side_effect=fake_subprocess_exec),
         patch("apps.admin_console.services.task_queue_service.session_repo") as mock_repo,
+        patch("apps.admin_console.services.task_queue_service.media_service"),
+        patch(
+            "artemis.core.diagnostics.readiness_engine.get_active_device_serial",
+            return_value=None,
+        ),
+        patch(
+            "artemis.runtime.device_pool.device_pool.select_device",
+            return_value="emulator-5554",
+        ),
     ):
         mock_repo.get_running_session_id.return_value = None
+        mock_repo.get_video_recording_for_session.return_value = {"status": "ready"}
 
         enqueue_result = await task_queue_service.enqueue_tasks(
             ["Test Goal with Outputter"],
@@ -262,6 +313,11 @@ async def test_queue_worker_cmd_construction():
             executed_kwargs[0]["env"]["ARTEMIS_DEVICE_QUEUE_TICKET"]
             == (enqueue_result["tasks"][0]["queue_ticket"])
         )
+        endpoint = enqueue_result["tasks"][0]["adb_endpoint"]
+        assert executed_kwargs[0]["env"]["ADB_HOST"] == endpoint["host"]
+        assert executed_kwargs[0]["env"]["ADB_PORT"] == str(endpoint["port"])
+        assert executed_kwargs[0]["env"]["ADB_SERVER_SOCKET"] == endpoint["socket"]
+        assert executed_kwargs[0]["env"]["ARTEMIS_ADB_ENDPOINT_ID"] == endpoint["identity"]
         if sys.platform == "win32":
             assert executed_kwargs[0]["creationflags"] == (
                 subprocess.CREATE_NEW_PROCESS_GROUP | subprocess.CREATE_NO_WINDOW
@@ -491,8 +547,18 @@ async def test_cancel_task_triggers_next_pending_task():
     with (
         patch("asyncio.create_subprocess_exec", side_effect=fake_subprocess_exec),
         patch("apps.admin_console.services.task_queue_service.session_repo") as mock_repo,
+        patch("apps.admin_console.services.task_queue_service.media_service"),
+        patch(
+            "artemis.core.diagnostics.readiness_engine.get_active_device_serial",
+            return_value=None,
+        ),
+        patch(
+            "artemis.runtime.device_pool.device_pool.select_device",
+            return_value="emulator-5554",
+        ),
     ):
         mock_repo.get_running_session_id.return_value = None
+        mock_repo.get_video_recording_for_session.return_value = {"status": "ready"}
         await task_queue_service.enqueue_tasks(["Task 1", "Task 2"])
 
         for _ in range(40):
@@ -536,8 +602,18 @@ async def test_immediate_cancel_ignores_stale_ipc_and_runs_next_task():
     with (
         patch("asyncio.create_subprocess_exec", side_effect=fake_subprocess_exec),
         patch("apps.admin_console.services.task_queue_service.session_repo") as mock_repo,
+        patch("apps.admin_console.services.task_queue_service.media_service"),
+        patch(
+            "artemis.core.diagnostics.readiness_engine.get_active_device_serial",
+            return_value=None,
+        ),
+        patch(
+            "artemis.runtime.device_pool.device_pool.select_device",
+            return_value="emulator-5554",
+        ),
     ):
         mock_repo.get_running_session_id.return_value = None
+        mock_repo.get_video_recording_for_session.return_value = {"status": "ready"}
 
         # Enqueue Task 1
         res1 = await task_queue_service.enqueue_tasks(["Task 1"])
@@ -668,7 +744,7 @@ async def test_queue_worker_notifies_conversation():
         patch("mcp_server.notifiers.notify") as mock_notify,
         patch("apps.admin_console.services.task_queue_service.session_repo") as mock_repo,
         patch(
-            "artemis.runtime.device_pool.device_pool.list_devices_async",
+            "artemis.runtime.device_pool.device_pool.try_list_devices_async",
             new=AsyncMock(return_value=[]),
         ),
     ):
@@ -854,7 +930,7 @@ async def test_enqueue_tasks_debounces_rapid_identical_submissions():
         patch("apps.admin_console.services.task_queue_service.session_repo"),
         patch("apps.admin_console.services.task_queue_service.DeviceExecutionLock.reserve", return_value="ticket-456"),
         patch(
-            "artemis.runtime.device_pool.device_pool.list_devices_async",
+            "artemis.runtime.device_pool.device_pool.try_list_devices_async",
             new=AsyncMock(return_value=[]),
         ),
         patch.object(TaskQueueService, "ensure_worker_running"),

tests/unit/core/test_adb_server_connection.py

@@ -0,0 +1,296 @@
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Tests for process-wide local and forwarded ADB server selection."""
+
+import os
+import subprocess
+
+import pytest
+
+from artemis.config import settings
+from artemis.core.diagnostics.adb_server_connection import (
+    AdbServerConnectionManager,
+    AdbServerEndpoint,
+    InvalidAdbServerEndpoint,
+    adb_server_connection,
+)
+from artemis.core.diagnostics.engine import ReadinessEngine
+from artemis.runtime.adb_endpoint import ADB_ENDPOINT_ID_ENV, AdbSession
+
+
+@pytest.mark.parametrize(
+    ("host", "port"),
+    [
+        ("", 5037),
+        ("http://127.0.0.1", 5037),
+        ("127.0.0.1/path", 5037),
+        ("127.0.0.1", 0),
+        ("127.0.0.1", 65536),
+    ],
+)
+def test_validate_endpoint_rejects_invalid_addresses(host, port):
+    with pytest.raises(InvalidAdbServerEndpoint):
+        AdbServerConnectionManager.validate_endpoint(host, port)
+
+
+def test_endpoint_formats_ipv6_socket():
+    endpoint = AdbServerConnectionManager.validate_endpoint("[::1]", 5038)
+
+    assert endpoint.socket == "tcp:[::1]:5038"
+    assert endpoint.mode == "remote"
+
+
+def test_adb_session_builds_explicit_endpoint_command_and_environment():
+    endpoint = AdbServerEndpoint("server.example", 5040)
+    session = AdbSession(endpoint, adb_path="adb")
+
+    assert session.command(["devices"]) == [
+        "adb",
+        "-H",
+        "server.example",
+        "-P",
+        "5040",
+        "devices",
+    ]
+    environment = session.environment({"EXISTING": "value"})
+    assert environment["EXISTING"] == "value"
+    assert environment["ADB_SERVER_SOCKET"] == "tcp:server.example:5040"
+    assert environment[ADB_ENDPOINT_ID_ENV] == endpoint.identity
+
+
+@pytest.mark.asyncio
+async def test_connect_activates_forwarded_server_after_success(monkeypatch):
+    captured: dict[str, object] = {}
+
+    def fake_run(command, **kwargs):
+        captured["command"] = command
+        captured["environment"] = kwargs["env"]
+        return subprocess.CompletedProcess(
+            command,
+            0,
+            stdout=(
+                "List of devices attached\n"
+                "R58M1234 device product:husky model:Pixel_8_Pro transport_id:1\n"
+            ),
+            stderr="",
+        )
+
+    monkeypatch.setattr(subprocess, "run", fake_run)
+    monkeypatch.setattr(settings, "ADB_HOST", "127.0.0.1")
+    monkeypatch.setattr(settings, "ADB_PORT", 5037)
+    monkeypatch.setenv("ADB_SERVER_SOCKET", "tcp:127.0.0.1:5999")
+    manager = AdbServerConnectionManager(adb_resolver=lambda: "adb", env_files=[])
+
+    result = await manager.connect("127.0.0.1", 5038, persist=False)
+
+    assert result["success"] is True
+    assert result["devices"] == [
+        {
+            "serial": "R58M1234",
+            "state": "device",
+            "model": "Pixel 8 Pro",
+            "product": "husky",
+        }
+    ]
+    assert captured["command"] == [
+        "adb",
+        "-H",
+        "127.0.0.1",
+        "-P",
+        "5038",
+        "devices",
+        "-l",
+    ]
+    assert "ADB_SERVER_SOCKET" not in captured["environment"]
+    assert settings.ADB_HOST == "127.0.0.1"
+    assert settings.ADB_PORT == 5038
+    assert os.environ["ADB_SERVER_SOCKET"] == "tcp:127.0.0.1:5038"
+
+
+@pytest.mark.asyncio
+async def test_connect_does_not_activate_unreachable_server(monkeypatch):
+    def fake_run(command, **kwargs):
+        return subprocess.CompletedProcess(
+            command,
+            1,
+            stdout="",
+            stderr="cannot connect to daemon at tcp:127.0.0.1:5038",
+        )
+
+    monkeypatch.setattr(subprocess, "run", fake_run)
+    monkeypatch.setattr(settings, "ADB_HOST", "127.0.0.1")
+    monkeypatch.setattr(settings, "ADB_PORT", 5037)
+    manager = AdbServerConnectionManager(adb_resolver=lambda: "adb", env_files=[])
+
+    result = await manager.connect("127.0.0.1", 5038, persist=False)
+
+    assert result["success"] is False
+    assert result["error_code"] == "server_unreachable"
+    assert settings.ADB_PORT == 5037
+
+
+@pytest.mark.asyncio
+async def test_probe_never_activates_reachable_endpoint(monkeypatch):
+    monkeypatch.setattr(
+        subprocess,
+        "run",
+        lambda command, **kwargs: subprocess.CompletedProcess(
+            command,
+            0,
+            stdout="List of devices attached\n",
+            stderr="",
+        ),
+    )
+    monkeypatch.setattr(settings, "ADB_HOST", "127.0.0.1")
+    monkeypatch.setattr(settings, "ADB_PORT", 5037)
+    manager = AdbServerConnectionManager(adb_resolver=lambda: "adb", env_files=[])
+
+    result = await manager.probe("127.0.0.1", 5038)
+
+    assert result["success"] is True
+    assert result["endpoint"]["port"] == 5038
+    assert settings.ADB_PORT == 5037
+
+
+@pytest.mark.asyncio
+async def test_default_resolver_uses_the_shared_toolchain(monkeypatch):
+    captured: dict[str, object] = {}
+    monkeypatch.setattr(
+        "artemis.core.diagnostics.adb_server_connection.toolchain.resolve",
+        lambda name: "sdk-platform-tools-adb" if name == "adb" else None,
+    )
+
+    def fake_run(command, **kwargs):
+        captured["command"] = command
+        return subprocess.CompletedProcess(
+            command,
+            0,
+            stdout="List of devices attached\n",
+            stderr="",
+        )
+
+    monkeypatch.setattr(subprocess, "run", fake_run)
+    manager = AdbServerConnectionManager(env_files=[])
+
+    result = await manager.probe("127.0.0.1", 5038)
+
+    assert result["success"] is True
+    assert captured["command"][0] == "sdk-platform-tools-adb"
+
+
+@pytest.mark.asyncio
+async def test_connect_persists_endpoint_without_replacing_other_settings(monkeypatch, tmp_path):
+    env_file = tmp_path / ".env"
+    env_file.write_text("EXISTING_VALUE=keep-me\n", encoding="utf-8")
+
+    def fake_run(command, **kwargs):
+        return subprocess.CompletedProcess(
+            command,
+            0,
+            stdout="List of devices attached\n",
+            stderr="",
+        )
+
+    monkeypatch.setattr(subprocess, "run", fake_run)
+    manager = AdbServerConnectionManager(adb_resolver=lambda: "adb", env_files=[env_file])
+
+    result = await manager.connect("tunnel.local", 5038, persist=True)
+
+    content = env_file.read_text(encoding="utf-8")
+    assert result["persisted"] is True
+    assert "EXISTING_VALUE=keep-me" in content
+    assert "ADB_HOST=tunnel.local" in content
+    assert "ADB_PORT=5038" in content
+
+
+@pytest.mark.asyncio
+async def test_connect_remains_active_when_persistence_fails(monkeypatch):
+    def fake_run(command, **kwargs):
+        return subprocess.CompletedProcess(
+            command,
+            0,
+            stdout="List of devices attached\n",
+            stderr="",
+        )
+
+    def fail_persist(endpoint):
+        raise OSError("read-only")
+
+    monkeypatch.setattr(subprocess, "run", fake_run)
+    monkeypatch.setattr(settings, "ADB_HOST", "127.0.0.1")
+    monkeypatch.setattr(settings, "ADB_PORT", 5037)
+    manager = AdbServerConnectionManager(adb_resolver=lambda: "adb", env_files=[])
+    monkeypatch.setattr(manager, "_persist", fail_persist)
+
+    result = await manager.connect("127.0.0.1", 5038, persist=True)
+
+    assert result["success"] is True
+    assert result["persisted"] is False
+    assert result["persistence_error"] == "read-only"
+    assert settings.ADB_PORT == 5038
+
+
+@pytest.mark.asyncio
+async def test_use_local_server_restores_standard_endpoint(monkeypatch):
+    monkeypatch.setattr(settings, "ADB_HOST", "127.0.0.1")
+    monkeypatch.setattr(settings, "ADB_PORT", 5038)
+    manager = AdbServerConnectionManager(env_files=[])
+
+    result = await manager.use_local_server(persist=False)
+
+    assert result["success"] is True
+    assert result["endpoint"] == AdbServerEndpoint("127.0.0.1", 5037).to_dict()
+    assert settings.ADB_PORT == 5037
+    assert os.environ["ADB_SERVER_SOCKET"] == "tcp:127.0.0.1:5037"
+
+
+@pytest.mark.asyncio
+async def test_restart_skips_kill_server_for_forwarded_endpoint(monkeypatch):
+    endpoint = AdbServerEndpoint("127.0.0.1", 5038)
+    monkeypatch.setattr(adb_server_connection, "current_endpoint", lambda: endpoint)
+
+    result = await ReadinessEngine().restart_adb_server()
+
+    assert result["success"] is True
+    assert result["skipped"] is True
+    assert result["endpoint"]["port"] == 5038
+
+
+@pytest.mark.asyncio
+async def test_remote_endpoint_blocks_local_wireless_connection(monkeypatch):
+    monkeypatch.setattr(
+        adb_server_connection,
+        "current_endpoint",
+        lambda: AdbServerEndpoint("127.0.0.1", 5038),
+    )
+
+    result = await ReadinessEngine().connect_wireless_adb("192.168.1.100", 5555)
+
+    assert result["success"] is False
+    assert "Switch to local ADB" in result["message"]
+
+
+@pytest.mark.asyncio
+async def test_remote_endpoint_blocks_local_emulator_launch(monkeypatch):
+    monkeypatch.setattr(
+        adb_server_connection,
+        "current_endpoint",
+        lambda: AdbServerEndpoint("127.0.0.1", 5038),
+    )
+
+    result = await ReadinessEngine().launch_emulator("Pixel_8")
+
+    assert result["status"] == "failed"
+    assert "Switch to local ADB" in result["error"]

tests/unit/data_engine/test_engine.py

@@ -327,6 +327,23 @@ def test_resumed_session_monotonic_step_numbering(tmp_path):
     assert [s.step_number for s in steps] == [1, 2, 3]
 
 
+def test_end_session_normalizes_legacy_success_status(tmp_path):
+    mock_ctx = MagicMock(spec=ArtemisContext)
+    mock_execution_setup = MagicMock()
+    mock_execution_setup.traces_path = str(tmp_path)
+    mock_ctx.execution_setup = mock_execution_setup
+    mock_ctx.device = None
+
+    engine = DataEngine(mock_ctx)
+    sid = engine.start_session("Terminal status normalization test")
+    engine.end_session("success")
+
+    session = engine.storage.get_session(sid)
+    assert session is not None
+    assert session.status == "completed"
+    assert session.end_time is not None
+
+
 def test_update_step_summary_includes_step_number_in_sse(tmp_path):
     mock_ctx = MagicMock(spec=ArtemisContext)
     mock_execution_setup = MagicMock()

tests/unit/mcp/test_mcp_tools.py

@@ -119,6 +119,12 @@ def test_mobile_run_task_with_device_serial(temp_trace_env):
         ) as reserve,
         patch("mcp_server.tools.task_runner.DeviceExecutionLock.transfer_reservation") as transfer,
         patch("mcp_server.tools.task_runner.subprocess.Popen", return_value=process) as popen,
+        # Hermetic device validation: the requested serial reports as ready
+        # regardless of what is attached to the host running the tests.
+        patch(
+            "artemis.runtime.device_pool.device_pool.try_list_devices",
+            return_value=[SimpleNamespace(serial="pixel-11-pro-001", state="device")],
+        ),
     ):
         result = mobile_run_task(
             task_desc="Open Settings on target phone",
@@ -204,7 +210,6 @@ def test_mobile_manage_task_status_and_stop(temp_trace_env):
 
 def test_mobile_manage_task_status_backfills_device_serial_from_db(temp_trace_env):
     import sqlite3
-    import json
     import os
 
     trace_id = str(uuid.uuid4())

tests/unit/mcp/test_task_reconcile.py

@@ -96,6 +96,27 @@ def test_db_never_overrides_user_cancellation(use_db):
     assert current_status == "cancelled"
 
 
+def test_legacy_success_status_is_normalized_to_completed(no_persistence):
+    status_data = {"status": "success", "result": "the answer", "pid": 111}
+
+    current_status, _pid, is_alive = _reconcile_task_state("t7", status_data)
+
+    assert current_status == "completed"
+    assert status_data["status"] == "completed"
+    assert status_data["result"] == "the answer"
+    assert is_alive is False
+
+
+def test_db_success_verdict_surfaces_as_completed(use_db):
+    use_db("t8", "success")
+    status_data = {"status": "running", "pid": 111}
+
+    current_status, _pid, _is_alive = _reconcile_task_state("t8", status_data)
+
+    assert current_status == "completed"
+    assert status_data["status"] == "completed"
+
+
 def test_pidless_running_task_is_assumed_alive(no_persistence):
     # Daemon dispatch writes no pid into status.json; liveness must not be
     # inferred even long past the startup grace window.

tests/unit/mcp/test_trace_store.py

@@ -73,6 +73,19 @@ def test_update_trace_status(temp_trace_env):
     assert failed["error"] == "App crashed"
 
 
+def test_update_trace_status_normalizes_success_alias(temp_trace_env):
+    trace_id = str(uuid.uuid4())
+    trace_store.init_trace(trace_id, "Test task", "Flash", "conv-789")
+
+    updated = trace_store.update_trace_status(trace_id=trace_id, status="success")
+    assert updated is not None
+    assert updated["status"] == "completed"
+    assert updated["end_time"] is not None
+
+    persisted = trace_store.read_status(trace_id)
+    assert persisted["status"] == "completed"
+
+
 def test_read_nonexistent_status(temp_trace_env):
     non_existent = str(uuid.uuid4())
     assert trace_store.read_status(non_existent) is None

tests/unit/runtime/test_daemon_client.py

@@ -53,13 +53,27 @@ def test_is_daemon_running_failure():
         assert is_daemon_running() is False
 
 
-def test_spawn_daemon():
+def test_spawn_daemon(tmp_path):
+    import sys
+
     mock_proc = MagicMock()
     mock_proc.pid = 54321
-    with patch("subprocess.Popen", return_value=mock_proc) as mock_popen:
-        proc = spawn_daemon(host="127.0.0.1", port=8000)
+    with (
+        patch("subprocess.Popen", return_value=mock_proc) as mock_popen,
+        patch(
+            "artemis.runtime.daemon_client.daemon_log_path",
+            return_value=tmp_path / "daemon-8000.log",
+        ),
+    ):
+        proc = spawn_daemon(host="127.0.0.1", port=9123)
         assert proc is mock_proc
         assert mock_popen.called
+        # The daemon must launch via `python -m`, never through the console-script
+        # shim (a resident artemis.exe would block uv sync reinstalls on Windows).
+        cmd = mock_popen.call_args.args[0]
+        assert cmd[0] == sys.executable
+        assert cmd[1:3] == ["-m", "apps.admin_console.server"]
+        assert cmd[3:] == ["--host", "127.0.0.1", "--port", "9123"]
 
 
 def test_ensure_daemon_running_when_already_active():

tests/unit/runtime/test_device_lock.py

@@ -67,6 +67,33 @@ def test_device_lock_recovers_stale_owner(monkeypatch):
     assert not lock.path.exists()
 
 
+def test_same_serial_on_different_adb_endpoints_has_independent_locks():
+    first = DeviceExecutionLock(
+        "emulator-5554",
+        "first endpoint",
+        lock_scope="tcp:127.0.0.1:5037",
+    )
+    second = DeviceExecutionLock(
+        "emulator-5554",
+        "second endpoint",
+        lock_scope="tcp:127.0.0.1:5038",
+    )
+
+    first.acquire()
+    second.acquire()
+    try:
+        assert first.path != second.path
+        owners = DeviceExecutionLock.get_active_owners()
+        assert len(owners) == 2
+        assert {owner.lock_scope for owner in owners.values()} == {
+            "tcp:127.0.0.1:5037",
+            "tcp:127.0.0.1:5038",
+        }
+    finally:
+        second.release()
+        first.release()
+
+
 def test_device_lock_release_does_not_remove_replacement_owner():
     lock = DeviceExecutionLock("emulator-5554", "original task")
     lock.acquire()

tests/unit/runtime/test_device_pool.py

@@ -12,11 +12,17 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import asyncio
+import importlib
+from types import SimpleNamespace
+
 import pytest
 
 from artemis.runtime.device_lock import DeviceExecutionLock
 from artemis.runtime.device_pool import DevicePool, DeviceStatus
 
+device_pool_module = importlib.import_module("artemis.runtime.device_pool")
+
 
 @pytest.fixture(autouse=True)
 def isolated_lock_directory(tmp_path, monkeypatch):
@@ -83,3 +89,188 @@ def test_device_pool_list_devices_and_busy_status(monkeypatch):
         assert pool.select_device("emulator-5554") == "emulator-5554"
     finally:
         lock.release()
+
+
+RAW_DEVICE = ("emulator-5554", "device", "Emulator", "sdk")
+
+
+def _install_fake_clock(monkeypatch):
+    clock = {"now": 1000.0}
+    monkeypatch.setattr(
+        device_pool_module,
+        "time",
+        SimpleNamespace(monotonic=lambda: clock["now"]),
+    )
+    return clock
+
+
+def test_enumeration_snapshot_collapses_repeat_queries(monkeypatch):
+    pool = DevicePool()
+    calls = {"count": 0}
+
+    def fake_query(timeout=None):
+        calls["count"] += 1
+        return [RAW_DEVICE]
+
+    monkeypatch.setattr(pool, "_query_adb_devices_sync", fake_query)
+
+    first = pool.list_devices()
+    second = pool.list_devices()
+    assert calls["count"] == 1
+    assert [d.serial for d in first] == [d.serial for d in second] == ["emulator-5554"]
+
+
+def test_enumeration_failure_serves_last_known_snapshot(monkeypatch):
+    clock = _install_fake_clock(monkeypatch)
+    pool = DevicePool()
+    responses = iter([[RAW_DEVICE], None, None])
+    monkeypatch.setattr(pool, "_query_adb_devices_sync", lambda timeout=None: next(responses))
+
+    assert [d.serial for d in pool.list_devices()] == ["emulator-5554"]
+
+    # Past the fresh TTL but inside the stale-on-error window, a failed query
+    # keeps answering with the last successful snapshot.
+    clock["now"] += pool.CACHE_TTL + 1.0
+    assert [d.serial for d in pool.list_devices()] == ["emulator-5554"]
+
+    # Once the stale window closes, persistent failure is reported honestly.
+    clock["now"] += pool.STALE_ON_ERROR_TTL + 1.0
+    assert pool.list_devices() == []
+
+
+def test_query_timeout_widens_until_first_success(monkeypatch):
+    pool = DevicePool()
+    assert pool._current_query_timeout() == pool.COLD_QUERY_TIMEOUT
+    monkeypatch.setattr(pool, "_query_adb_devices_sync", lambda timeout=None: [RAW_DEVICE])
+    pool.list_devices()
+    assert pool._current_query_timeout() == pool.HOT_QUERY_TIMEOUT
+
+
+def test_async_enumeration_single_flight(monkeypatch):
+    pool = DevicePool()
+    calls = {"count": 0}
+
+    async def fake_query(timeout=None):
+        calls["count"] += 1
+        await asyncio.sleep(0.05)
+        return [RAW_DEVICE]
+
+    monkeypatch.setattr(pool, "_query_adb_devices_async", fake_query)
+
+    async def run():
+        results = await asyncio.gather(
+            pool.list_devices_async(),
+            pool.list_devices_async(),
+            pool.list_devices_async(),
+        )
+        return results
+
+    results = asyncio.run(run())
+    assert calls["count"] == 1
+    for devices in results:
+        assert [d.serial for d in devices] == ["emulator-5554"]
+
+
+def test_warm_up_waits_for_device_handshake(monkeypatch):
+    pool = DevicePool()
+    monkeypatch.setattr(pool, "_resolve_adb", lambda: "adb")
+    started = {"count": 0}
+
+    async def fake_start_server(timeout):
+        started["count"] += 1
+
+    responses = iter([[], [("emulator-5554", "offline", None, None)], [RAW_DEVICE]])
+
+    async def fake_query(timeout=None):
+        return next(responses)
+
+    monkeypatch.setattr(pool, "_start_adb_server", fake_start_server)
+    monkeypatch.setattr(pool, "_query_adb_devices_async", fake_query)
+
+    warmed = asyncio.run(pool.warm_up_async(settle_timeout=2.0, poll_interval=0.01))
+    assert warmed is True
+    assert started["count"] == 1
+    # The settled enumeration is cached for the first post-startup listings.
+    assert pool._cached_raw == [RAW_DEVICE]
+
+
+def test_warm_up_accepts_empty_enumeration_at_deadline(monkeypatch):
+    pool = DevicePool()
+    monkeypatch.setattr(pool, "_resolve_adb", lambda: "adb")
+
+    async def fake_start_server(timeout):
+        pass
+
+    async def fake_query(timeout=None):
+        return []
+
+    monkeypatch.setattr(pool, "_start_adb_server", fake_start_server)
+    monkeypatch.setattr(pool, "_query_adb_devices_async", fake_query)
+
+    warmed = asyncio.run(pool.warm_up_async(settle_timeout=0.0))
+    assert warmed is True
+    assert pool._current_query_timeout() == pool.HOT_QUERY_TIMEOUT
+
+
+def test_warm_up_without_adb_returns_false(monkeypatch):
+    pool = DevicePool()
+    monkeypatch.setattr(pool, "_resolve_adb", lambda: None)
+    assert asyncio.run(pool.warm_up_async(settle_timeout=0.0)) is False
+
+
+def test_try_list_devices_distinguishes_failure_from_empty(monkeypatch):
+    pool = DevicePool()
+    monkeypatch.setattr(pool, "_query_adb_devices_sync", lambda timeout=None: None)
+    assert pool.try_list_devices() is None
+    assert pool.list_devices() == []
+
+    fresh_pool = DevicePool()
+    monkeypatch.setattr(fresh_pool, "_query_adb_devices_sync", lambda timeout=None: [])
+    assert fresh_pool.try_list_devices() == []
+
+
+def test_validate_explicit_serial_fails_open_on_indeterminate_enumeration(monkeypatch):
+    pool = DevicePool()
+    monkeypatch.setattr(pool, "_query_adb_devices_sync", lambda timeout=None: None)
+    assert pool.validate_explicit_serial("pixel-10") is None
+
+    empty_pool = DevicePool()
+    monkeypatch.setattr(empty_pool, "_query_adb_devices_sync", lambda timeout=None: [])
+    assert empty_pool.validate_explicit_serial("pixel-10") is None
+
+
+def test_validate_explicit_serial_rejects_only_on_authoritative_enumeration(monkeypatch):
+    pool = DevicePool()
+    monkeypatch.setattr(
+        pool,
+        "_query_adb_devices_sync",
+        lambda timeout=None: [
+            ("pixel-10", "device", None, None),
+            ("pixel-11", "unauthorized", None, None),
+        ],
+    )
+
+    assert pool.validate_explicit_serial("pixel-10") is None
+    assert "not ready" in pool.validate_explicit_serial("pixel-11")
+    missing = pool.validate_explicit_serial("pixel-12")
+    assert "not connected" in missing
+    assert "pixel-10" in missing
+
+
+def test_validate_explicit_serial_async_matches_sync(monkeypatch):
+    pool = DevicePool()
+
+    async def fake_query(timeout=None):
+        return [("pixel-10", "device", None, None)]
+
+    monkeypatch.setattr(pool, "_query_adb_devices_async", fake_query)
+
+    async def run():
+        return (
+            await pool.validate_explicit_serial_async("pixel-10"),
+            await pool.validate_explicit_serial_async("pixel-12"),
+        )
+
+    ok, missing = asyncio.run(run())
+    assert ok is None
+    assert "not connected" in missing

tests/unit/runtime/test_server_process_lifecycle.py

@@ -14,6 +14,7 @@
 
 """Unit tests for Artemis Server Lifecycle Management and API Endpoints."""
 
+import asyncio
 import json
 import os
 from unittest.mock import MagicMock, patch
@@ -21,13 +22,15 @@ from unittest.mock import MagicMock, patch
 import pytest
 from httpx import ASGITransport, AsyncClient
 
-from apps.admin_console.server import app
+from apps.admin_console import server as server_module
+from apps.admin_console.server import LIFECYCLE_TOKEN, app
 from artemis.runtime.server_lifecycle import (
     clear_server_info,
     find_server_pids,
     get_server_status,
     is_port_in_use,
     read_server_info,
+    request_graceful_shutdown,
     stop_server,
     write_server_info,
 )
@@ -56,8 +59,12 @@ def test_write_read_clear_server_info(tmp_path, monkeypatch):
     assert info["host"] == "127.0.0.1"
     assert "started_at" in info
 
-    # Clear info
-    clear_server_info()
+    # A stop targeting another port must not erase this server's metadata.
+    clear_server_info(port=9999)
+    assert fake_info_file.exists()
+
+    # Clear matching info
+    clear_server_info(port=8888)
     assert not fake_info_file.exists()
     assert read_server_info() is None
 
@@ -121,6 +128,55 @@ def test_stop_server_when_not_running(monkeypatch):
     assert "No active server" in msg
 
 
+def test_server_main_parses_non_default_bind_address(monkeypatch):
+    run_server = MagicMock()
+    monkeypatch.setattr(server_module, "run_ui_server", run_server)
+
+    server_module.main(["--host", "127.0.0.1", "--port", "9123"])
+
+    run_server.assert_called_once_with(host="127.0.0.1", port=9123)
+
+
+def test_request_graceful_shutdown_uses_metadata_token(monkeypatch):
+    response = MagicMock(status=202)
+    response.__enter__.return_value = response
+    monkeypatch.setattr(
+        "artemis.runtime.server_lifecycle.read_server_info",
+        lambda: {"port": 9123, "lifecycle_token": "local-secret"},
+    )
+    urlopen = MagicMock(return_value=response)
+    monkeypatch.setattr("artemis.runtime.server_lifecycle.urllib.request.urlopen", urlopen)
+
+    assert request_graceful_shutdown(9123) is True
+    request = urlopen.call_args.args[0]
+    assert request.full_url == "http://127.0.0.1:9123/api/system/shutdown"
+    assert request.get_header("X-artemis-lifecycle-token") == "local-secret"
+
+
+def test_stop_server_prefers_graceful_shutdown(monkeypatch):
+    monkeypatch.setattr("artemis.runtime.server_lifecycle.find_server_pids", lambda port: [12345])
+    monkeypatch.setattr(
+        "artemis.runtime.server_lifecycle.request_graceful_shutdown", lambda port, timeout: True
+    )
+    monkeypatch.setattr("artemis.runtime.server_lifecycle.is_port_in_use", lambda port: False)
+    monkeypatch.setattr("artemis.runtime.server_lifecycle._any_pid_alive", lambda pids: False)
+    terminate = MagicMock()
+    monkeypatch.setattr(
+        "artemis.runtime.server_lifecycle.ProcessSupervisor.terminate_tree", terminate
+    )
+    monkeypatch.setattr(
+        "artemis.runtime.server_lifecycle.DeviceExecutionLock.cleanup_stale_locks", lambda: 0
+    )
+    monkeypatch.setattr("artemis.runtime.server_lifecycle.clear_server_info", lambda **kwargs: None)
+
+    success, msg, stopped = stop_server(9123)
+
+    assert success is True
+    assert stopped == [12345]
+    assert "gracefully" in msg
+    terminate.assert_not_called()
+
+
 def test_stop_server_terminates_tree(monkeypatch):
     """Verify stop_server calls ProcessSupervisor.terminate_tree and returns stopped pids."""
     terminated_pids = []
@@ -134,6 +190,9 @@ def test_stop_server_terminates_tree(monkeypatch):
         return False
 
     monkeypatch.setattr("artemis.runtime.server_lifecycle.is_port_in_use", mock_in_use)
+    monkeypatch.setattr(
+        "artemis.runtime.server_lifecycle.request_graceful_shutdown", lambda port, timeout: False
+    )
     monkeypatch.setattr(
         "artemis.runtime.supervisor.ProcessSupervisor.terminate_tree",
         lambda pid, timeout_seconds=4.0: terminated_pids.append(pid),
@@ -142,19 +201,25 @@ def test_stop_server_terminates_tree(monkeypatch):
         "artemis.runtime.device_lock.DeviceExecutionLock.cleanup_stale_locks",
         lambda: 1,
     )
+    reconcile = MagicMock(return_value=1)
+    monkeypatch.setattr(
+        "artemis.runtime.server_lifecycle._reconcile_orphaned_sessions", reconcile
+    )
 
     success, msg, stopped = stop_server(8000)
     assert success is True
     assert stopped == [12345]
     assert 12345 in terminated_pids
     assert "stopped" in msg.lower()
+    assert "Reconciled 1 interrupted session" in msg
+    reconcile.assert_called_once_with()
 
 
 @pytest.mark.asyncio
 async def test_api_server_status():
     """Verify GET /api/system/server-status returns server runtime metadata."""
     async with AsyncClient(
-        transport=ASGITransport(app=app), base_url="http://testserver"
+        transport=ASGITransport(app=app), base_url="http://localhost"
     ) as client:
         response = await client.get("/api/system/server-status")
         assert response.status_code == 200
@@ -172,7 +237,7 @@ async def test_api_restart_endpoint():
         mock_thread.return_value = mock_instance
 
         async with AsyncClient(
-            transport=ASGITransport(app=app), base_url="http://testserver"
+            transport=ASGITransport(app=app), base_url="http://localhost"
         ) as client:
             response = await client.post("/api/system/restart")
             assert response.status_code == 200
@@ -185,17 +250,23 @@ async def test_api_restart_endpoint():
 
 @pytest.mark.asyncio
 async def test_api_shutdown_endpoint():
-    """Verify POST /api/system/shutdown accepts request and schedules shutdown."""
-    with patch("threading.Thread") as mock_thread:
-        mock_instance = MagicMock()
-        mock_thread.return_value = mock_instance
+    """Verify shutdown is authenticated and drives Uvicorn's graceful exit flag."""
+    fake_server = MagicMock(should_exit=False)
+    app.state.uvicorn_server = fake_server
 
-        async with AsyncClient(
-            transport=ASGITransport(app=app), base_url="http://testserver"
-        ) as client:
-            response = await client.post("/api/system/shutdown")
-            assert response.status_code == 200
-            data = response.json()
-            assert data["status"] == "shutting_down"
-            mock_thread.assert_called_once()
-            mock_instance.start.assert_called_once()
+    async with AsyncClient(
+        transport=ASGITransport(app=app), base_url="http://localhost"
+    ) as client:
+        denied = await client.post("/api/system/shutdown")
+        assert denied.status_code == 403
+
+        response = await client.post(
+            "/api/system/shutdown",
+            headers={"X-Artemis-Lifecycle-Token": LIFECYCLE_TOKEN},
+        )
+        assert response.status_code == 202
+        assert response.json()["status"] == "shutting_down"
+        await asyncio.sleep(0.1)
+
+    assert fake_server.should_exit is True
+    app.state.uvicorn_server = None

tests/unit/test_cli.py

@@ -476,7 +476,42 @@ def test_cli_stop_command(monkeypatch):
 
 
 def test_cli_restart_command(monkeypatch):
-    """Verify 'artemis restart' stops previous server and invokes ui_command."""
+    """Verify 'artemis restart' stops previous server and spawns a detached daemon by default."""
+    from unittest.mock import MagicMock
+
+    from artemis.interfaces.cli.commands import server_lifecycle as sl_cmd
+    from artemis.runtime import server_lifecycle
+
+    stopped = {}
+    spawned = {}
+
+    def mock_stop(port, timeout=4.0, force=False):
+        stopped["port"] = port
+        return True, "Stopped server", [12345]
+
+    def mock_spawn(host, port):
+        spawned["host"] = host
+        spawned["port"] = port
+        proc = MagicMock()
+        proc.pid = 54321
+        proc.poll.return_value = None
+        return proc
+
+    monkeypatch.setattr(server_lifecycle, "find_server_pids", lambda port: [12345])
+    monkeypatch.setattr(sl_cmd, "stop_server", mock_stop)
+    monkeypatch.setattr(sl_cmd, "spawn_daemon", mock_spawn)
+    monkeypatch.setattr(sl_cmd, "is_daemon_running", lambda **kwargs: True)
+    monkeypatch.setattr(sl_cmd, "ensure_showcase_built", lambda console: None)
+
+    result = runner.invoke(app, ["restart", "--port", "8888", "--no-open"])
+    assert result.exit_code == 0
+    assert stopped["port"] == 8888
+    assert spawned["port"] == 8888
+    assert "PID: 54321" in result.output
+
+
+def test_cli_restart_foreground_command(monkeypatch):
+    """Verify 'artemis restart --foreground' runs the server attached via ui_command."""
     from artemis.interfaces.cli.commands import server_lifecycle as sl_cmd
     from artemis.runtime import server_lifecycle
 
@@ -496,7 +531,7 @@ def test_cli_restart_command(monkeypatch):
     monkeypatch.setattr(sl_cmd, "stop_server", mock_stop)
     monkeypatch.setattr(sl_cmd, "ui_command", mock_ui)
 
-    result = runner.invoke(app, ["restart", "--port", "8888", "--no-open"])
+    result = runner.invoke(app, ["restart", "--port", "8888", "--no-open", "--foreground"])
     assert result.exit_code == 0
     assert stopped["port"] == 8888
     assert ui_called["port"] == 8888

tests/unit/test_sdk.py

@@ -5,190 +5,133 @@
 # You may obtain a copy of the License at
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
-"""Unit tests for the official Python SDK (ArtemisClient, Task, TaskResult)."""
+"""Compatibility tests for the single, remote-only ArtemisClient implementation."""
+
+from __future__ import annotations
+
+from collections import defaultdict
+from collections.abc import Mapping
+from typing import Any
 
 import pytest
-from artemis import ArtemisClient, Task, TaskResult
+
+import artemis
+from artemis import ArtemisClient, ConcurrencyMode, Task, TaskResult
+from artemis_client import ArtemisClient as ThinArtemisClient
+from artemis_client import TaskResult as ThinTaskResult
+from artemis_client.errors import NotFoundError
 
 
-@pytest.mark.asyncio
-async def test_artemis_client_run_mock():
-    """Verify ArtemisClient runs a task through the execution pipeline."""
-    client = ArtemisClient(device_id="mock-test-dev", default_profile="pro")
-    assert client.device_id == "mock-test-dev"
-    assert client.default_profile == "pro"
+class FakeTransport:
+    def __init__(self) -> None:
+        self.responses: dict[tuple[str, str], list[Any]] = defaultdict(list)
+        self.calls: list[tuple[str, str, Mapping[str, Any] | None]] = []
 
-    result = await client.run(goal="Open Settings and enable Dark Theme")
-    assert isinstance(result, TaskResult)
-    assert result.status in ("completed", "running", "success")
-    assert result.trace_id.startswith("trace_") or len(result.trace_id) > 0
+    def add(self, method: str, path: str, *responses: Any) -> None:
+        self.responses[(method, path)].extend(responses)
+
+    def request(
+        self,
+        method: str,
+        path: str,
+        *,
+        json_body: Mapping[str, Any] | None = None,
+    ) -> Any:
+        self.calls.append((method, path, json_body))
+        queued = self.responses[(method, path)]
+        if not queued:
+            raise AssertionError(f"Unexpected request: {method} {path}")
+        response = queued.pop(0)
+        if isinstance(response, BaseException):
+            raise response
+        return response
 
 
-def test_task_model_validation():
-    """Verify Task validation and default arguments."""
-    task = Task(goal="Search for flight prices", profile="flash", device_id="emulator-5554")
-    assert task.goal == "Search for flight prices"
-    assert task.profile == "flash"
-    assert task.device_id == "emulator-5554"
-    assert task.max_turns == 30
-    assert task.locked_package is None
+def test_full_runtime_reexports_thin_client_types():
+    assert ArtemisClient is ThinArtemisClient
+    assert TaskResult is ThinTaskResult
+    assert artemis.ArtemisClient is ThinArtemisClient
 
 
-@pytest.mark.asyncio
-async def test_artemis_client_stream_run():
-    """Verify ArtemisClient.stream_run yields real-time StreamEvents."""
-    from artemis import StreamEvent, StreamEventType
+def test_legacy_constructor_settings_are_remote_defaults():
+    client = ArtemisClient(
+        device_serial="emulator-5554",
+        default_profile="pro",
+        concurrency_mode=ConcurrencyMode.PER_DEVICE,
+        transport=FakeTransport(),
+    )
 
-    client = ArtemisClient(device_id="mock-stream-dev", default_profile="flash")
-    collected_events: list[StreamEvent] = []
-
-    def on_event(ev: StreamEvent):
-        collected_events.append(ev)
-
-    events: list[StreamEvent] = []
-    async for event in client.stream_run(
-        goal="Test streaming UI action flow",
-        profile="flash",
-        callbacks=[on_event],
-    ):
-        events.append(event)
-
-    assert len(events) >= 2
-    assert events[0].event_type == StreamEventType.STATUS
-    assert events[0].payload.get("status") == "starting"
-    assert len(collected_events) == len(events)
-
-
-@pytest.mark.asyncio
-async def test_client_device_specification():
-    """Verify target device can be set via init, setters, or per-task run parameters."""
-    client = ArtemisClient(device_serial="emulator-5554", default_profile="flash")
+    assert client.base_url == "http://127.0.0.1:8000"
     assert client.device_id == "emulator-5554"
-    assert client.device_serial == "emulator-5554"
-
-    # Mutate via property setter
-    client.device_serial = "pixel-9-pro"
-    assert client.device_id == "pixel-9-pro"
-    assert client.device_serial == "pixel-9-pro"
-
-    # Mutate via chaining method
-    client.set_device("pixel-8")
-    assert client.device_id == "pixel-8"
-
-    # Override device per run call using device_serial
-    res1 = await client.run("Task on dev 1", device_serial="target-device-alpha")
-    assert res1.device_id == "target-device-alpha"
-
-    # Override device per run call using device_id
-    res2 = await client.run("Task on dev 2", device_id="target-device-beta")
-    assert res2.device_id == "target-device-beta"
-
-
-@pytest.mark.asyncio
-async def test_client_stream_run_device_specification():
-    """Verify stream_run propagates custom target device."""
-    client = ArtemisClient(device_id="default-stream-dev", default_profile="flash")
-    events = []
-    async for ev in client.stream_run("Test goal", device_serial="explicit-stream-dev"):
-        events.append(ev)
-
-    assert len(events) >= 1
-    assert events[0].payload.get("device_id") == "explicit-stream-dev"
-
-
-@pytest.mark.asyncio
-async def test_client_concurrency_mode_configuration():
-    """Verify concurrency_mode can be configured as 'global' or 'per_device'."""
-    from artemis import ConcurrencyMode
-
-    client = ArtemisClient(concurrency_mode=ConcurrencyMode.GLOBAL)
-    assert client.concurrency_mode == "global"
-
-    client.set_concurrency_mode(ConcurrencyMode.PER_DEVICE)
+    assert client.default_profile == "pro"
     assert client.concurrency_mode == "per_device"
-
-    client.concurrency_mode = "global"
-    assert client.concurrency_mode == "global"
+    assert client.set_device("pixel-10") is client
+    assert client.device_serial == "pixel-10"
 
 
 @pytest.mark.asyncio
-async def test_sdk_multi_device_parallel_execution():
-    """Verify per_device concurrency allows tasks on different devices to run concurrently."""
-    import asyncio
+async def test_run_uses_remote_api_and_returns_thin_result():
+    task_id = "00000000-0000-4000-8000-000000000001"
+    transport = FakeTransport()
+    transport.add(
+        "POST",
+        "/api/run",
+        {"status": "started", "tasks": [{"session_id": task_id, "status": "pending"}]},
+    )
+    transport.add(
+        "GET",
+        f"/api/sessions/{task_id}",
+        NotFoundError(404, "not ready"),
+        {"session_id": task_id, "status": "completed", "current_turn": 3},
+    )
+    transport.add(
+        "GET",
+        "/api/status",
+        {"status": "running", "queue": [{"session_id": task_id, "status": "pending"}]},
+    )
+    client = ArtemisClient(
+        device_serial="pixel-10",
+        default_profile="flash",
+        poll_interval=0.001,
+        transport=transport,
+    )
 
-    client_a = ArtemisClient(device_id="mock-dev-parallel-1", concurrency_mode="per_device")
-    client_b = ArtemisClient(device_id="mock-dev-parallel-2", concurrency_mode="per_device")
+    result = await client.run("Open Settings", task_id=task_id, timeout=1)
 
-    # Run tasks on two different devices concurrently
-    task_a = asyncio.create_task(client_a.run("Task on device 1"))
-    task_b = asyncio.create_task(client_b.run("Task on device 2"))
-
-    res_a, res_b = await asyncio.gather(task_a, task_b)
-    assert res_a.status in ("completed", "running", "success")
-    assert res_b.status in ("completed", "running", "success")
-    assert res_a.device_id == "mock-dev-parallel-1"
-    assert res_b.device_id == "mock-dev-parallel-2"
+    assert isinstance(result, ThinTaskResult)
+    assert result.succeeded
+    request_body = transport.calls[0][2]
+    assert request_body is not None
+    assert request_body["device_serial"] == "pixel-10"
+    assert request_body["profile"] == "flash"
 
 
 @pytest.mark.asyncio
-async def test_sdk_global_concurrency_serializes_across_devices():
-    """Verify global concurrency restricts execution to 1 task across all devices."""
-    import asyncio
-    from artemis.runtime import DeviceBusyError, DeviceExecutionLock
-
-    # Pre-acquire a lock on device A with global concurrency mode
-    lock_a = DeviceExecutionLock("mock-global-dev-1", "active global task", concurrency_mode="global")
-    lock_a.acquire()
-
-    try:
-        client_b = ArtemisClient(device_id="mock-global-dev-2", concurrency_mode="global")
-        # Attempting non-blocking execution on device B should fail because global concurrency limit (1) is held by device A
-        with pytest.raises(DeviceBusyError, match="Global task concurrency limit"):
-            await client_b.run("Task on device 2", blocking=False)
-    finally:
-        lock_a.release()
-
-
-@pytest.mark.asyncio
-async def test_sdk_run_task_with_device_and_concurrency():
-    """Verify Task object with device_serial and concurrency_mode executes via run_task."""
-    client = ArtemisClient()
+async def test_legacy_task_object_is_forwarded_to_remote_api():
+    task_id = "00000000-0000-4000-8000-000000000002"
+    transport = FakeTransport()
+    transport.add(
+        "POST",
+        "/api/run",
+        {"status": "started", "tasks": [{"session_id": task_id, "status": "pending"}]},
+    )
+    transport.add(
+        "GET",
+        f"/api/sessions/{task_id}",
+        {"session_id": task_id, "status": "success"},
+    )
+    client = ArtemisClient(transport=transport)
     task = Task(
         goal="Verify search functionality",
         profile="flash",
-        device_serial="device-from-task-obj",
-        concurrency_mode="per_device",
+        device_serial="pixel-10",
+        locked_package="com.android.settings",
     )
-    assert task.device_id == "device-from-task-obj"
-    assert task.concurrency_mode == "per_device"
 
-    res = await client.run_task(task)
-    assert res.device_id == "device-from-task-obj"
-    assert res.status in ("completed", "running", "success")
+    result = await client.run_task(task, task_id=task_id, timeout=1)
 
-
-def test_builder_and_agent_concurrency_and_device_targeting():
-    """Verify AgentConfigBuilder and Agent support device targeting and concurrency configuration."""
-    from artemis import Agent, Builders
-
-    # 1. Builder supports string for_device directly
-    cfg1 = Builders.AgentConfig.for_device("emulator-9999").with_concurrency_mode("global").build()
-    assert cfg1.device_id == "emulator-9999"
-    assert cfg1.concurrency_mode == "global"
-
-    # 2. Builder supports for_device_serial
-    cfg2 = Builders.AgentConfig.for_device_serial("pixel-test-serial").with_concurrency_mode("per_device").build()
-    assert cfg2.device_id == "pixel-test-serial"
-    assert cfg2.concurrency_mode == "per_device"
-
-    # 3. Agent supports device_serial and concurrency_mode directly in constructor
-    agent = Agent(device_serial="pixel-constructor-dev", concurrency_mode="global")
-    assert agent._config.device_id == "pixel-constructor-dev"
-    assert agent._config.concurrency_mode == "global"
+    assert result.succeeded
+    request_body = transport.calls[0][2]
+    assert request_body is not None
+    assert request_body["locked_app_package"] == "com.android.settings"