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.

apps/admin_console/services/task_deletion.py

@@ -0,0 +1,40 @@
+"""Read the impact of deleting a task without deleting or stopping anything."""
+
+from uuid import UUID
+
+from artemis.exploration.store import ExplorationConflict, explorations
+from apps.admin_console.database.repositories.session_repository import session_repo
+from apps.admin_console.services.automation_store import store
+from apps.admin_console.services.exploration_deletion import _check_runs
+
+
+def deletion_preview(session_id: str) -> dict:
+    session_id = str(UUID(session_id))
+    run = explorations.run(session_id)
+    if run and run["kind"] == "exploration":
+        return exploration_deletion_preview(run["exploration_id"])
+    if not session_repo.get_session_by_id(session_id) and not store.job(session_id):
+        raise KeyError("任务不存在")
+    _check_runs([{"id": session_id}])
+    job = store.job(session_id) or {}
+    if job.get("status") in {"pending", "queued", "running", "task_paused", "resuming"}:
+        raise ExplorationConflict("任务仍在执行或排队，请先停止并等待结束")
+    return {
+        "session_ids": [session_id],
+        "preserved_session_ids": [],
+        "removes": ["任务历史", "报告", "截图、录像及附件"],
+    }
+
+
+def exploration_deletion_preview(exploration_id: str) -> dict:
+    session = explorations.get(exploration_id)
+    runs = explorations.runs(exploration_id)
+    _check_runs(runs)
+    if session.get("active_run_id") or session.get("active_demonstration_id"):
+        raise ExplorationConflict("探索尚有活动任务或示范，请先停止并等待结束")
+    return {
+        "exploration_id": exploration_id,
+        "session_ids": [run["id"] for run in runs if run["kind"] == "exploration"],
+        "preserved_session_ids": [run["id"] for run in runs if run["kind"] != "exploration"],
+        "removes": ["探索对话", "用例版本", "探索执行历史及证据"],
+    }