{
  "projection_type": "accepted-session-readable-projection",
  "status": "core_flow_completed",
  "session_id": "019fa251-53a7-7ff2-b758-6caa5bc3b599",
  "run_id": "run-ms2v4f4b",
  "environment": {
    "surface": "Windows Codex Desktop",
    "task_type": "local",
    "workspace_label": "html-selection-POC",
    "powershell_version": "7.6.3",
    "python_version": "3.13"
  },
  "selection": {
    "choice": "B",
    "direction": "vivid",
    "label": "生动有画面",
    "source": "manual",
    "followup_user_message_required": false
  },
  "tool_flow": [
    {
      "business_action": "为这篇短文准备选择页",
      "mechanism": "PowerShell 7 launches the isolated Python choice service",
      "result": "browser_choice_ready"
    },
    {
      "business_action": "打开 Codex 右侧选择页",
      "mechanism": "visibility.set(true), tabs.new(), goto(choice URL)",
      "result": "visible right panel with B selected"
    },
    {
      "business_action": "等待本次选择结果",
      "mechanism": "wait_browser_choice.py with a 300-second ceiling",
      "result": "browser_choice_selected"
    }
  ],
  "final_output": {
    "title": "把太阳带回家",
    "direction": "生动有画面",
    "content": "傍晚走出地铁站时，天空还留着一抹淡淡的蓝。街角的花摊前，卖花阿姨正把最后几束向日葵摆得整整齐齐，金黄的花盘在暮色里格外醒目。一个小女孩拉着爸爸停下来，仰起脸，小声说：“我想把太阳带回家。”爸爸买下一枝，她便一路高高举着，像捧住了一束光。晚风掠过街角，花瓣轻轻闪亮。我忽然发现，忙乱了一整天的城市，也在这一刻慢了下来。"
  },
  "mechanism": {
    "heartbeat": {
      "wait_ceiling_seconds": 300,
      "local_state_check_interval_seconds": 0.25,
      "page_auto_default_seconds": 120,
      "design": "one long-running wait tool call keeps the current turn open until the local selection state appears"
    },
    "right_to_left_linkage": {
      "submit": "HTML form POST /select",
      "transport": "127.0.0.1 loopback only",
      "correlation": "per-run run_id",
      "state": "selection.json written atomically",
      "resume": "the waiting tool returns the selected direction into the same Codex turn"
    },
    "packaging": {
      "runtime_unit": "Skill",
      "optional_distribution_container": "Plugin",
      "external_network_service_required": false,
      "third_party_python_packages_required": false,
      "poc_python_environment": "local Python with standard library only",
      "codex_runtime_compatibility": "expected if a compatible Python environment is available; not separately verified"
    }
  }
}