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.

mcp_server/base.py

@@ -33,7 +33,7 @@ except Exception as exc:
 mcp = FastMCP(
     "artemis",
     instructions=(
-        "ARTEMIS is an autonomous mobile AI agent and Android UI automation engine. "
+        "ARTEMIS executes Android, computer and mixed tests with Flash, Pro or interactive exploration. The user starts the service; MCP only connects. Use the official artemis-use Skill for workflows and plugin development. "
         "For the full workflow use mobile_workspace (devices/queue), mobile_config (non-secret saved defaults), "
         "mobile_task_file (XLSX template/preview), mobile_batch (JSON cases + execution), "
         "mobile_search_history and mobile_export_report (Word/Excel/ZIP). "
@@ -43,7 +43,7 @@ mcp = FastMCP(
         "Use mobile_run_task to launch autonomous UI workflows on connected Android devices or emulators, "
         "mobile_manage_task to check status or steer execution, "
         "mobile_get_device_state to inspect real-time device screen/hierarchy, "
-        "mobile_inspect_trace to inspect detailed execution steps and visual action overlays, "
+        "mobile_inspect_trace for bounded report/usage/request/log/evidence inspection and step screenshots; use stable request_id for task submission and lookup uncertain replies, "
         "and mobile_diagnose whenever a tool errors, no device is found, or the user says "
         "ARTEMIS is not working: it checks the environment and returns ordered fix steps."
     ),