feat: add official Codex skill and harden task execution

Install and update artemis-use with task diagnostics and plugin guidance. Preserve cross-device file receipts, review canonical reports, guard stage transitions and reduce small history summaries. Improve exploration lifecycle, request recovery and browser live connections.

tests/unit/test_exploration_service.py

@@ -232,6 +232,38 @@ async def test_rerun_includes_user_edited_preconditions(service, monkeypatch):
     assert "已连接测试网络" in enqueue.call_args.args[0].goal
 
 
+@pytest.mark.asyncio
+@pytest.mark.parametrize("field", ["goal", "preconditions"])
+async def test_unresolved_case_never_reserves_run_or_creates_batch(service, monkeypatch, field):
+    from apps.admin_console.services import automation_service
+
+    enqueue = AsyncMock()
+    monkeypatch.setattr("apps.admin_console.routers.tasks.run_task", enqueue)
+    monkeypatch.setattr(automation_service, "store", service.repository.database)
+    session = service.create(CreateExploration(goal="探索", request_id="create"))
+    draft = {"name": "旧版用例", "goal": "检查页面", field: "报告保存到 ${报告位置}"}
+    service.repository.save_case(session["id"], CaseDraft(**draft), 0, "save")
+    with pytest.raises(ValueError, match=r"未填写参数.*\$\{报告位置\}"):
+        await service.validate(session["id"], ValidateCaseRequest(request_id="validate", version=1))
+    with pytest.raises(ValueError, match="未填写参数"):
+        service.create_case_batch(session["id"], CaseBatchRequest(request_id="batch", version=1))
+    enqueue.assert_not_called()
+    assert service.repository.runs(session["id"]) == []
+    assert service.repository.database.records("batch") == []
+    assert service.repository.case(session["id"])["version"] == 1
+
+    # A saved correction can use the same admission request ID; rejection created no run.
+    service.repository.save_case(
+        session["id"],
+        CaseDraft(name="可执行", goal="检查页面，报告保存到本次任务 trace"),
+        1,
+        "edit",
+    )
+    enqueue.return_value = {"status": "queued"}
+    await service.validate(session["id"], ValidateCaseRequest(request_id="validate", version=2))
+    enqueue.assert_awaited_once()
+
+
 @pytest.mark.parametrize("profile", ["flash", "pro"])
 def test_case_batch_creates_only_an_idempotent_draft_with_bound_resources(
     service, monkeypatch, profile