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/server.py

@@ -105,6 +105,10 @@ async def _lifespan(_app: "FastAPI"):
     app.state.service_registration = registration
     configure_local_daemon(state.port)
     try:
+        from artemis.integrations.codex_skill import sync_on_startup
+        from artemis.config.paths import ROOT_DIR
+
+        await asyncio.to_thread(sync_on_startup, ROOT_DIR)
         shared_tool_executor.start()
         async with shared_mcp.session_manager.run():
             await on_startup()