feat: release 2.2.0 with PC-only tests and execution reliability fixes

Unify task scheduling and queue state, fix Android input and observation recovery, preserve screenshot paths, and match final review criteria accurately. Add collapsible copyable results and publish the complete 2.1.0 upgrade notes. Validation: 3189 backend tests, 326 frontend tests, 24 client tests, production build and quality gates.

tests/unit/admin_console/test_task_device_readiness.py

@@ -20,6 +20,7 @@ import pytest
 
 from apps.admin_console.routers import tasks
 from apps.admin_console.schemas.task_schema import RunRequest
+from apps.admin_console.services.task_import import TaskOptions
 from artemis.core.diagnostics.schema import (
     ProbeCategory,
     ProbeResult,
@@ -27,6 +28,28 @@ from artemis.core.diagnostics.schema import (
 )
 
 
+@pytest.mark.asyncio
+@pytest.mark.parametrize("profile", ["flash", "pro"])
+async def test_pc_task_skips_android_submission_checks(monkeypatch, profile):
+    probe = AsyncMock(side_effect=AssertionError("PC submission cannot probe Android"))
+    validate = AsyncMock(side_effect=AssertionError("PC submission cannot enumerate Android"))
+    enqueue = AsyncMock(return_value={"status": "started", "tasks": []})
+    monkeypatch.setattr(tasks.readiness_engine, "run_device_submission_probe", probe)
+    monkeypatch.setattr(tasks.device_pool, "validate_explicit_serial_async", validate)
+    monkeypatch.setattr(tasks.task_queue_service, "enqueue_tasks", enqueue)
+    await tasks.run_task(
+        RunRequest(
+            goal="Check browser",
+            profile=profile,
+            device_serial="offline-phone",
+            runtime_overrides=TaskOptions(execution_target="computer"),
+        )
+    )
+    probe.assert_not_awaited()
+    validate.assert_not_awaited()
+    assert enqueue.call_args.kwargs["runtime_overrides"]["execution_target"] == "computer"
+
+
 @pytest.mark.asyncio
 async def test_run_task_rejects_locked_device(monkeypatch):
     locked_probe = ProbeResult(