{
  "schema_version": 1,
  "recorded_at_utc": "2026-10-14T06:18:14.216860+00:00",
  "scope": "real Codex CLI natural-language tasks over local MCP; host C compilation and simulated inputs",
  "p1_status": "one client accepted; second client pending login and independent acceptance",
  "client": "Codex CLI",
  "client_version": "0.162.1",
  "model": "gpt-6.1-sol",
  "reasoning_effort": "high",
  "authentication": "existing ChatGPT sign-in; no credentials included",
  "engineering_scope": "fixed sampling/alarm configuration, host C build, simulation and local Git diff; not arbitrary source development",
  "hardware_tested": false,
  "remote_repository_workflow_tested": false,
  "task_intervention": "Automation prepared independent fixtures and invocation config. No assistance during model tasks.",
  "verification_method": "Server records requests initiated by client/model. Independent verifier checks source fingerprint, binary samples and Git diff. Final responses reviewed against actual results.",
  "cases": [
    {
      "scenario": "normal",
      "started_at_utc": "2026-10-14T06:10:52.305673+00:00",
      "finished_at_utc": "2026-10-14T06:12:22.410922+00:00",
      "request": "使用 taiiot-demo 的 MCP 工具先读取工程上下文和 C 源码，把采样周期从 1000 毫秒改为 500 毫秒，报警阈值改为 28℃。实际编译，执行模拟测试，展示 Git 差异。按真实工具输出汇报检查和样本结果，说明时钟和传感器是模拟的，没有芯片或 PLC 真机验证。所有工程操作只使用该 MCP 的六个工具；不调用 shell，不提交或推送，不启动其他代理。",
      "initial_config": {
        "name": "taiiot-temperature-demo",
        "target": "host-simulator",
        "sample_period_ms": 1000,
        "alarm_threshold_c": 60.0
      },
      "client_exit_code": 0,
      "timed_out": false,
      "status": "passed",
      "checks": [
        {
          "check": "actual_mcp_requests_recorded",
          "passed": true
        },
        {
          "check": "only_demo_tools_called",
          "passed": true
        },
        {
          "check": "context_and_source_read_first",
          "passed": true
        },
        {
          "check": "recorded_diff_matches_project",
          "passed": true
        },
        {
          "check": "no_commit_created",
          "passed": true
        },
        {
          "check": "requested_parameters_present",
          "passed": true
        },
        {
          "check": "actual_build_before_simulation",
          "passed": true
        },
        {
          "check": "seven_checks_ten_samples_three_alarms",
          "passed": true
        },
        {
          "check": "build_matches_final_source",
          "passed": true
        },
        {
          "check": "actual_binary_matches_recorded_samples",
          "passed": true
        },
        {
          "check": "normal_workflow_has_no_tool_failure",
          "passed": true
        },
        {
          "check": "client_completed",
          "passed": true
        },
        {
          "check": "final_client_response_present",
          "passed": true
        }
      ],
      "client_summary": {
        "final_message": "已完成。所有工程操作仅使用 taiiot-demo MCP 的六个工具；未调用 shell、未提交或推送、未启动其他代理。\n\n已读取工程上下文、`project.json` 和 `firmware/telemetry.c`，将采样周期从 **1000 ms 改为 500 ms**，报警阈值从 **60℃改为 28℃**。\n\n实际编译通过：使用 `/usr/bin/cc`，启用 `-std=c11 -Wall -Wextra -Werror -O2`，生成 `build/sampler`，stdout、stderr 均为空。\n\n模拟测试通过，7 项检查全部成功：周期前不采样、周期到达时采样、时钟回绕、低于阈值不报警、达到阈值报警、超过阈值报警，以及观测采样间隔。\n\n工具返回的全部样本：\n\n| 序号 | 模拟时间（ms） | 温度（℃） | 报警 |\n|---:|---:|---:|:---:|\n| 0 | 0 | 24.5 | 否 |\n| 1 | 500 | 25.0 | 否 |\n| 2 | 1000 | 25.5 | 否 |\n| 3 | 1500 | 26.0 | 否 |\n| 4 | 2000 | 26.5 | 否 |\n| 5 | 2500 | 27.0 | 否 |\n| 6 | 3000 | 27.5 | 否 |\n| 7 | 3500 | 28.0 | 是 |\n| 8 | 4000 | 28.5 | 是 |\n| 9 | 4500 | 29.0 | 是 |\n\n相邻样本间隔均为 500 ms，共 3 个报警样本。\n\nGit 状态为 ` M project.json`，差异如下：\n\n```diff\ndiff --git a/project.json b/project.json\nindex 370ad4d..e894c50 100644\n--- a/project.json\n+++ b/project.json\n@@ -1,6 +1,6 @@\n {\n   \"name\": \"taiiot-temperature-demo\",\n   \"target\": \"host-simulator\",\n-  \"sample_period_ms\": 1000,\n-  \"alarm_threshold_c\": 60.0\n+  \"sample_period_ms\": 500,\n+  \"alarm_threshold_c\": 28.0\n }\n```\n\n**验证范围：主机编译和模拟执行。** 时钟为模拟时钟，未测量真实时间精度；传感器使用合成温度序列，无 Modbus 或 MQTT 连接。未连接硬件，未进行芯片或 PLC 真机验证。",
        "usage": {
          "input_tokens": 128093,
          "cached_input_tokens": 108288,
          "cache_write_input_tokens": 0,
          "output_tokens": 1014,
          "reasoning_output_tokens": 16
        },
        "cost": {
          "amount": null,
          "reason": "Client did not expose monetary cost."
        }
      },
      "id": "normal",
      "review": {
        "status": "passed",
        "reviewer": "Codex task maintainer; independent comparison of final response, audit and project artifacts",
        "notes": "Final response agrees with actual tool output and states host/simulation/hardware limits."
      },
      "tools": [
        {
          "at_utc": "2026-10-14T06:11:15.943644+00:00",
          "tool": "get_project_profile",
          "arguments": {},
          "is_error": false,
          "output": {
            "name": "taiiot-temperature-demo",
            "target": "host-simulator",
            "sample_period_ms": 1000,
            "alarm_threshold_c": 60.0,
            "workspace": "<isolated-demo-workspace>",
            "files": [
              "project.json",
              "firmware/telemetry.c"
            ],
            "hardware_connected": false,
            "compiler_kind": "host C compiler",
            "git_repository": true
          }
        },
        {
          "at_utc": "2026-10-14T06:11:26.918164+00:00",
          "tool": "read_project_file",
          "arguments": {
            "path": "firmware/telemetry.c"
          },
          "is_error": false,
          "output": {
            "path": "firmware/telemetry.c",
            "source_line_count": 54,
            "source_sha256": "b69a1b99e84eaa045abcac9c196b73cae8077988abccbfb6f1307a039a8406c6",
            "source_content_omitted": true
          }
        },
        {
          "at_utc": "2026-10-14T06:11:26.926561+00:00",
          "tool": "read_project_file",
          "arguments": {
            "path": "project.json"
          },
          "is_error": false,
          "output": {
            "path": "project.json",
            "content": "{\n  \"name\": \"taiiot-temperature-demo\",\n  \"target\": \"host-simulator\",\n  \"sample_period_ms\": 1000,\n  \"alarm_threshold_c\": 60.0\n}\n"
          }
        },
        {
          "at_utc": "2026-10-14T06:11:37.113130+00:00",
          "tool": "set_sampling",
          "arguments": {
            "period_ms": 500,
            "alarm_c": 28
          },
          "is_error": false,
          "output": {
            "status": "updated",
            "before": {
              "name": "taiiot-temperature-demo",
              "target": "host-simulator",
              "sample_period_ms": 1000,
              "alarm_threshold_c": 60.0
            },
            "after": {
              "name": "taiiot-temperature-demo",
              "target": "host-simulator",
              "sample_period_ms": 500,
              "alarm_threshold_c": 28.0
            },
            "requires_rebuild": true
          }
        },
        {
          "at_utc": "2026-10-14T06:11:43.704161+00:00",
          "tool": "build_project",
          "arguments": {},
          "is_error": false,
          "output": {
            "status": "passed",
            "fingerprint": "50481e5481094553eebb454a54a01c235271a4f8154a0be116b5fcff1f3fb8b0",
            "compiler": "/usr/bin/cc",
            "command": [
              "/usr/bin/cc",
              "-std=c11",
              "-Wall",
              "-Wextra",
              "-Werror",
              "-O2",
              "-I",
              "<isolated-demo-workspace>/build",
              "<isolated-demo-workspace>/firmware/telemetry.c",
              "-o",
              "<isolated-demo-workspace>/build/sampler"
            ],
            "target": "host-simulator",
            "artifact": "<isolated-demo-workspace>/build/sampler",
            "hardware_tested": false,
            "stdout": "",
            "stderr": ""
          }
        },
        {
          "at_utc": "2026-10-14T06:11:50.028570+00:00",
          "tool": "run_simulation",
          "arguments": {},
          "is_error": false,
          "output": {
            "status": "passed",
            "simulation": true,
            "hardware_tested": false,
            "clock": "simulated; does not measure real-time timing",
            "sensor": "synthetic temperature sequence; no Modbus or MQTT connection",
            "cases": [
              {
                "case": "no_sample_before_period",
                "passed": true
              },
              {
                "case": "sample_at_period",
                "passed": true
              },
              {
                "case": "clock_wraparound",
                "passed": true
              },
              {
                "case": "no_alarm_below_threshold",
                "passed": true
              },
              {
                "case": "alarm_at_threshold",
                "passed": true
              },
              {
                "case": "alarm_above_threshold",
                "passed": true
              },
              {
                "case": "observed_sample_intervals",
                "passed": true
              }
            ],
            "samples": [
              {
                "sequence": 0,
                "time_ms": 0,
                "temperature_c": 24.5,
                "alarm": false
              },
              {
                "sequence": 1,
                "time_ms": 500,
                "temperature_c": 25.0,
                "alarm": false
              },
              {
                "sequence": 2,
                "time_ms": 1000,
                "temperature_c": 25.5,
                "alarm": false
              },
              {
                "sequence": 3,
                "time_ms": 1500,
                "temperature_c": 26.0,
                "alarm": false
              },
              {
                "sequence": 4,
                "time_ms": 2000,
                "temperature_c": 26.5,
                "alarm": false
              },
              {
                "sequence": 5,
                "time_ms": 2500,
                "temperature_c": 27.0,
                "alarm": false
              },
              {
                "sequence": 6,
                "time_ms": 3000,
                "temperature_c": 27.5,
                "alarm": false
              },
              {
                "sequence": 7,
                "time_ms": 3500,
                "temperature_c": 28.0,
                "alarm": true
              },
              {
                "sequence": 8,
                "time_ms": 4000,
                "temperature_c": 28.5,
                "alarm": true
              },
              {
                "sequence": 9,
                "time_ms": 4500,
                "temperature_c": 29.0,
                "alarm": true
              }
            ],
            "alarm_count": 3,
            "stderr": ""
          }
        },
        {
          "at_utc": "2026-10-14T06:11:58.264857+00:00",
          "tool": "get_git_diff",
          "arguments": {},
          "is_error": false,
          "output": {
            "status": "passed",
            "git_status": " M project.json\n",
            "diff": "diff --git a/project.json b/project.json\nindex 370ad4d..e894c50 100644\n--- a/project.json\n+++ b/project.json\n@@ -1,6 +1,6 @@\n {\n   \"name\": \"taiiot-temperature-demo\",\n   \"target\": \"host-simulator\",\n-  \"sample_period_ms\": 1000,\n-  \"alarm_threshold_c\": 60.0\n+  \"sample_period_ms\": 500,\n+  \"alarm_threshold_c\": 28.0\n }\n",
            "stderr": "",
            "remote_access": false
          }
        }
      ]
    },
    {
      "scenario": "errors",
      "started_at_utc": "2026-10-14T06:12:50.178690+00:00",
      "finished_at_utc": "2026-10-14T06:15:03.891805+00:00",
      "request": "验收 taiiot-demo 的错误处理，只用六个 MCP 工具，先读取工程上下文和 C 源码。先实际尝试把采样周期设为 55 毫秒、阈值 28℃，记录工具拒绝结果并读取配置确认未修改。再尝试在未构建时运行模拟，记录实际错误。随后设为 500 毫秒、28℃并实际构建；构建后改为 700 毫秒，再运行模拟，确认过期构建被拒绝。最后重新构建、运行模拟、展示 Git 差异，依据真实输出说明错误与恢复结果。不要跳过失败调用，不编造成功。时钟和温度均为模拟，无硬件。不得使用 shell、提交、推送或其他代理。",
      "initial_config": {
        "name": "taiiot-temperature-demo",
        "target": "host-simulator",
        "sample_period_ms": 1000,
        "alarm_threshold_c": 60.0
      },
      "client_exit_code": 0,
      "timed_out": false,
      "status": "passed",
      "checks": [
        {
          "check": "actual_mcp_requests_recorded",
          "passed": true
        },
        {
          "check": "only_demo_tools_called",
          "passed": true
        },
        {
          "check": "context_and_source_read_first",
          "passed": true
        },
        {
          "check": "recorded_diff_matches_project",
          "passed": true
        },
        {
          "check": "no_commit_created",
          "passed": true
        },
        {
          "check": "requested_parameters_present",
          "passed": true
        },
        {
          "check": "actual_build_before_simulation",
          "passed": true
        },
        {
          "check": "seven_checks_ten_samples_three_alarms",
          "passed": true
        },
        {
          "check": "build_matches_final_source",
          "passed": true
        },
        {
          "check": "actual_binary_matches_recorded_samples",
          "passed": true
        },
        {
          "check": "invalid_period_rejected",
          "passed": true
        },
        {
          "check": "invalid_change_left_baseline",
          "passed": true
        },
        {
          "check": "missing_build_rejected",
          "passed": true
        },
        {
          "check": "stale_build_rejected",
          "passed": true
        },
        {
          "check": "rebuild_recovered",
          "passed": true
        },
        {
          "check": "client_completed",
          "passed": true
        },
        {
          "check": "final_client_response_present",
          "passed": true
        }
      ],
      "client_summary": {
        "final_message": "验收通过：三次失败调用均实际执行并返回错误，重新构建后成功恢复。已先读取工程上下文和 C 源码，仅使用指定六种 MCP 工具。\n\n| 操作 | 实际结果 |\n|---|---|\n| 设置 55 毫秒、28℃ | 拒绝：`period_ms must be 50..60000 and a multiple of 10.` |\n| 拒绝后读取配置 | 仍为 1000 毫秒、60℃，未修改 |\n| 未构建时运行模拟 | 拒绝：`Build the project before running the simulation.` |\n| 设置 500 毫秒、28℃并构建 | 设置成功，构建返回 `passed` |\n| 构建后改为 700 毫秒，再运行 | 拒绝：`Build is stale: the project changed. Call build_project again.` |\n| 重新构建并运行 | 构建、模拟均返回 `passed`，7 项检查全部通过 |\n\n最终模拟产生 10 个样本，时间为 0、700、1400…6300 毫秒；28℃开始报警，共 3 个报警样本。\n\nGit 状态仅显示 `project.json` 修改，实际差异为：\n\n```diff\n-  \"sample_period_ms\": 1000,\n-  \"alarm_threshold_c\": 60.0\n+  \"sample_period_ms\": 700,\n+  \"alarm_threshold_c\": 28.0\n```\n\n构建使用主机 C 编译器；时钟和温度均为模拟，`hardware_tested: false`。未使用 shell、提交、推送或其他代理。",
        "usage": {
          "input_tokens": 218401,
          "cached_input_tokens": 196480,
          "cache_write_input_tokens": 0,
          "output_tokens": 928,
          "reasoning_output_tokens": 9
        },
        "cost": {
          "amount": null,
          "reason": "Client did not expose monetary cost."
        }
      },
      "id": "errors",
      "review": {
        "status": "passed",
        "reviewer": "Codex task maintainer; independent comparison of final response, audit and project artifacts",
        "notes": "Final response agrees with actual tool output and states host/simulation/hardware limits."
      },
      "tools": [
        {
          "at_utc": "2026-10-14T06:13:17.492407+00:00",
          "tool": "get_project_profile",
          "arguments": {},
          "is_error": false,
          "output": {
            "name": "taiiot-temperature-demo",
            "target": "host-simulator",
            "sample_period_ms": 1000,
            "alarm_threshold_c": 60.0,
            "workspace": "<isolated-demo-workspace>",
            "files": [
              "project.json",
              "firmware/telemetry.c"
            ],
            "hardware_connected": false,
            "compiler_kind": "host C compiler",
            "git_repository": true
          }
        },
        {
          "at_utc": "2026-10-14T06:13:17.501339+00:00",
          "tool": "read_project_file",
          "arguments": {
            "path": "firmware/telemetry.c"
          },
          "is_error": false,
          "output": {
            "path": "firmware/telemetry.c",
            "source_line_count": 54,
            "source_sha256": "b69a1b99e84eaa045abcac9c196b73cae8077988abccbfb6f1307a039a8406c6",
            "source_content_omitted": true
          }
        },
        {
          "at_utc": "2026-10-14T06:13:26.020576+00:00",
          "tool": "set_sampling",
          "arguments": {
            "period_ms": 55,
            "alarm_c": 28
          },
          "error": "Error executing tool set_sampling: period_ms must be 50..60000 and a multiple of 10."
        },
        {
          "at_utc": "2026-10-14T06:13:33.712899+00:00",
          "tool": "read_project_file",
          "arguments": {
            "path": "project.json"
          },
          "is_error": false,
          "output": {
            "path": "project.json",
            "content": "{\n  \"name\": \"taiiot-temperature-demo\",\n  \"target\": \"host-simulator\",\n  \"sample_period_ms\": 1000,\n  \"alarm_threshold_c\": 60.0\n}\n"
          }
        },
        {
          "at_utc": "2026-10-14T06:13:42.819426+00:00",
          "tool": "run_simulation",
          "arguments": {},
          "error": "Error executing tool run_simulation: Build the project before running the simulation."
        },
        {
          "at_utc": "2026-10-14T06:13:55.176890+00:00",
          "tool": "set_sampling",
          "arguments": {
            "period_ms": 500,
            "alarm_c": 28
          },
          "is_error": false,
          "output": {
            "status": "updated",
            "before": {
              "name": "taiiot-temperature-demo",
              "target": "host-simulator",
              "sample_period_ms": 1000,
              "alarm_threshold_c": 60.0
            },
            "after": {
              "name": "taiiot-temperature-demo",
              "target": "host-simulator",
              "sample_period_ms": 500,
              "alarm_threshold_c": 28.0
            },
            "requires_rebuild": true
          }
        },
        {
          "at_utc": "2026-10-14T06:14:01.752508+00:00",
          "tool": "build_project",
          "arguments": {},
          "is_error": false,
          "output": {
            "status": "passed",
            "fingerprint": "50481e5481094553eebb454a54a01c235271a4f8154a0be116b5fcff1f3fb8b0",
            "compiler": "/usr/bin/cc",
            "command": [
              "/usr/bin/cc",
              "-std=c11",
              "-Wall",
              "-Wextra",
              "-Werror",
              "-O2",
              "-I",
              "<isolated-demo-workspace>/build",
              "<isolated-demo-workspace>/firmware/telemetry.c",
              "-o",
              "<isolated-demo-workspace>/build/sampler"
            ],
            "target": "host-simulator",
            "artifact": "<isolated-demo-workspace>/build/sampler",
            "hardware_tested": false,
            "stdout": "",
            "stderr": ""
          }
        },
        {
          "at_utc": "2026-10-14T06:14:09.483805+00:00",
          "tool": "set_sampling",
          "arguments": {
            "period_ms": 700,
            "alarm_c": 28
          },
          "is_error": false,
          "output": {
            "status": "updated",
            "before": {
              "name": "taiiot-temperature-demo",
              "target": "host-simulator",
              "sample_period_ms": 500,
              "alarm_threshold_c": 28.0
            },
            "after": {
              "name": "taiiot-temperature-demo",
              "target": "host-simulator",
              "sample_period_ms": 700,
              "alarm_threshold_c": 28.0
            },
            "requires_rebuild": true
          }
        },
        {
          "at_utc": "2026-10-14T06:14:17.702607+00:00",
          "tool": "run_simulation",
          "arguments": {},
          "error": "Error executing tool run_simulation: Build is stale: the project changed. Call build_project again."
        },
        {
          "at_utc": "2026-10-14T06:14:29.214915+00:00",
          "tool": "build_project",
          "arguments": {},
          "is_error": false,
          "output": {
            "status": "passed",
            "fingerprint": "fcbeff06013ad0bd6442dcd2aafc34f7b023c4130131d2d3521d06b76bb1ee19",
            "compiler": "/usr/bin/cc",
            "command": [
              "/usr/bin/cc",
              "-std=c11",
              "-Wall",
              "-Wextra",
              "-Werror",
              "-O2",
              "-I",
              "<isolated-demo-workspace>/build",
              "<isolated-demo-workspace>/firmware/telemetry.c",
              "-o",
              "<isolated-demo-workspace>/build/sampler"
            ],
            "target": "host-simulator",
            "artifact": "<isolated-demo-workspace>/build/sampler",
            "hardware_tested": false,
            "stdout": "",
            "stderr": ""
          }
        },
        {
          "at_utc": "2026-10-14T06:14:39.702557+00:00",
          "tool": "run_simulation",
          "arguments": {},
          "is_error": false,
          "output": {
            "status": "passed",
            "simulation": true,
            "hardware_tested": false,
            "clock": "simulated; does not measure real-time timing",
            "sensor": "synthetic temperature sequence; no Modbus or MQTT connection",
            "cases": [
              {
                "case": "no_sample_before_period",
                "passed": true
              },
              {
                "case": "sample_at_period",
                "passed": true
              },
              {
                "case": "clock_wraparound",
                "passed": true
              },
              {
                "case": "no_alarm_below_threshold",
                "passed": true
              },
              {
                "case": "alarm_at_threshold",
                "passed": true
              },
              {
                "case": "alarm_above_threshold",
                "passed": true
              },
              {
                "case": "observed_sample_intervals",
                "passed": true
              }
            ],
            "samples": [
              {
                "sequence": 0,
                "time_ms": 0,
                "temperature_c": 24.5,
                "alarm": false
              },
              {
                "sequence": 1,
                "time_ms": 700,
                "temperature_c": 25.0,
                "alarm": false
              },
              {
                "sequence": 2,
                "time_ms": 1400,
                "temperature_c": 25.5,
                "alarm": false
              },
              {
                "sequence": 3,
                "time_ms": 2100,
                "temperature_c": 26.0,
                "alarm": false
              },
              {
                "sequence": 4,
                "time_ms": 2800,
                "temperature_c": 26.5,
                "alarm": false
              },
              {
                "sequence": 5,
                "time_ms": 3500,
                "temperature_c": 27.0,
                "alarm": false
              },
              {
                "sequence": 6,
                "time_ms": 4200,
                "temperature_c": 27.5,
                "alarm": false
              },
              {
                "sequence": 7,
                "time_ms": 4900,
                "temperature_c": 28.0,
                "alarm": true
              },
              {
                "sequence": 8,
                "time_ms": 5600,
                "temperature_c": 28.5,
                "alarm": true
              },
              {
                "sequence": 9,
                "time_ms": 6300,
                "temperature_c": 29.0,
                "alarm": true
              }
            ],
            "alarm_count": 3,
            "stderr": ""
          }
        },
        {
          "at_utc": "2026-10-14T06:14:48.258613+00:00",
          "tool": "get_git_diff",
          "arguments": {},
          "is_error": false,
          "output": {
            "status": "passed",
            "git_status": " M project.json\n",
            "diff": "diff --git a/project.json b/project.json\nindex 370ad4d..3d121db 100644\n--- a/project.json\n+++ b/project.json\n@@ -1,6 +1,6 @@\n {\n   \"name\": \"taiiot-temperature-demo\",\n   \"target\": \"host-simulator\",\n-  \"sample_period_ms\": 1000,\n-  \"alarm_threshold_c\": 60.0\n+  \"sample_period_ms\": 700,\n+  \"alarm_threshold_c\": 28.0\n }\n",
            "stderr": "",
            "remote_access": false
          }
        }
      ]
    },
    {
      "scenario": "compiler",
      "started_at_utc": "2026-10-14T06:12:53.739019+00:00",
      "finished_at_utc": "2026-10-14T06:13:53.936447+00:00",
      "request": "验收 taiiot-demo 的编译失败处理。先通过 MCP 读取工程上下文与 C 源码，尝试实际构建，记录编译错误，再调用模拟工具确认无有效构建时测试被拒绝，展示 Git 差异。这个夹具故意包含源码语法错误；当前 MCP 不提供源码修复工具，请据实际结果解释失败并停止。只用六个 MCP 工具，不使用 shell，不修复源文件，不提交、推送或启动其他代理。如实说明没有模型修复成功或硬件验证。",
      "initial_config": {
        "name": "taiiot-temperature-demo",
        "target": "host-simulator",
        "sample_period_ms": 1000,
        "alarm_threshold_c": 60.0
      },
      "client_exit_code": 0,
      "timed_out": false,
      "status": "passed",
      "checks": [
        {
          "check": "actual_mcp_requests_recorded",
          "passed": true
        },
        {
          "check": "only_demo_tools_called",
          "passed": true
        },
        {
          "check": "context_and_source_read_first",
          "passed": true
        },
        {
          "check": "recorded_diff_matches_project",
          "passed": true
        },
        {
          "check": "no_commit_created",
          "passed": true
        },
        {
          "check": "compiler_error_returned",
          "passed": true
        },
        {
          "check": "invalid_artifact_test_rejected",
          "passed": true
        },
        {
          "check": "no_artifact_or_manifest",
          "passed": true
        },
        {
          "check": "fixture_left_unchanged",
          "passed": true
        },
        {
          "check": "client_completed",
          "passed": true
        },
        {
          "check": "final_client_response_present",
          "passed": true
        }
      ],
      "client_summary": {
        "final_message": "已完成编译失败处理验收：**实际构建失败，无有效构建时模拟测试被拒绝**。\n\n依次调用了六个 MCP 工具：`get_project_profile`、`read_project_file`、`set_sampling`、`build_project`、`run_simulation`、`get_git_diff`。采样配置保持 1000 ms、60°C。\n\n主机编译器 `/usr/bin/cc` 返回退出码 `1`，错误全部来自 `firmware/telemetry.c` 第一行：\n\n```text\n1:1: error: unknown type name ‘this’\n1:9: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘not’\n1:9: error: unknown type name ‘not’\n```\n\n随后模拟工具返回 `isError: true`：\n\n```text\nError executing tool run_simulation: Build the project before running the simulation.\n```\n\nGit 状态为 ` M firmware/telemetry.c`。差异显示原来的 54 行程序被夹具替换为无效 C 文本：\n\n```diff\ndiff --git a/firmware/telemetry.c b/firmware/telemetry.c\nindex 3d3f5ad..ff9a095 100644\n--- a/firmware/telemetry.c\n+++ b/firmware/telemetry.c\n@@ -1,54 +1 @@\n-#include <stdint.h>\n-#include <stdio.h>\n-#include <string.h>\n-#include \"config.h\"\n-\n-/* Pure application logic; the clock and sensor are simulated on the host. */\n-static int sample_due(uint32_t now, uint32_t previous)\n-{\n-    return (uint32_t)(now - previous) >= SAMPLE_PERIOD_MS;\n-}\n-\n-static int alarm_active(int temperature_deci_c)\n-{\n-    return temperature_deci_c >= ALARM_THRESHOLD_DECI_C;\n-}\n-\n-static int self_test(void)\n-{\n-    int failures = 0;\n-#define CHECK(label, condition) do { \\\n-    int passed = !!(condition); \\\n-    printf(\"{\\\"case\\\":\\\"%s\\\",\\\"passed\\\":%s}\\n\", label, passed ? \"true\" : \"false\"); \\\n-    if (!passed) ++failures; \\\n-} while (0)\n-\n-    CHECK(\"no_sample_before_period\", !sample_due(SAMPLE_PERIOD_MS - 1U, 0));\n-    CHECK(\"sample_at_period\", sample_due(SAMPLE_PERIOD_MS, 0));\n-    CHECK(\"clock_wraparound\", sample_due(249U, UINT32_MAX - SAMPLE_PERIOD_MS + 249U));\n-    CHECK(\"no_alarm_below_threshold\", !alarm_active(ALARM_THRESHOLD_DECI_C - 1));\n-    CHECK(\"alarm_at_threshold\", alarm_active(ALARM_THRESHOLD_DECI_C));\n-    CHECK(\"alarm_above_threshold\", alarm_active(ALARM_THRESHOLD_DECI_C + 1));\n-    return failures ? 1 : 0;\n-}\n-\n-int main(int argc, char **argv)\n-{\n-    if (argc == 2 && strcmp(argv[1], \"--self-test\") == 0) {\n-        return self_test();\n-    }\n-\n-    uint32_t previous = 0;\n-    unsigned sequence = 0;\n-    for (uint32_t now = 0; sequence < 10U; now += 10U) {\n-        if (now == 0U || sample_due(now, previous)) {\n-            int temperature = 245 + (int)sequence * 5;\n-            printf(\"{\\\"sequence\\\":%u,\\\"time_ms\\\":%u,\\\"temperature_c\\\":%.1f,\\\"alarm\\\":%s}\\n\",\n-                   sequence, now, temperature / 10.0,\n-                   alarm_active(temperature) ? \"true\" : \"false\");\n-            previous = now;\n-            ++sequence;\n-        }\n-    }\n-    return 0;\n-}\n+this is not valid C\n```\n\n该源码差异在读取时已经存在，本次未修复源文件。当前 MCP 没有源码修复工具，已按要求停止。**没有模型修复成功，也没有硬件验证**；工程目标是主机模拟器，`hardware_connected=false`，模拟测试未执行。未使用 shell、提交、推送或启动其他代理。",
        "usage": {
          "input_tokens": 68882,
          "cached_input_tokens": 47744,
          "cache_write_input_tokens": 0,
          "output_tokens": 1354,
          "reasoning_output_tokens": 104
        },
        "cost": {
          "amount": null,
          "reason": "Client did not expose monetary cost."
        }
      },
      "id": "compiler",
      "review": {
        "status": "passed",
        "reviewer": "Codex task maintainer; independent comparison of final response, audit and project artifacts",
        "notes": "Final response agrees with actual tool output and states host/simulation/hardware limits."
      },
      "tools": [
        {
          "at_utc": "2026-10-14T06:13:14.069884+00:00",
          "tool": "get_project_profile",
          "arguments": {},
          "is_error": false,
          "output": {
            "name": "taiiot-temperature-demo",
            "target": "host-simulator",
            "sample_period_ms": 1000,
            "alarm_threshold_c": 60.0,
            "workspace": "<isolated-demo-workspace>",
            "files": [
              "project.json",
              "firmware/telemetry.c"
            ],
            "hardware_connected": false,
            "compiler_kind": "host C compiler",
            "git_repository": true
          }
        },
        {
          "at_utc": "2026-10-14T06:13:14.082690+00:00",
          "tool": "read_project_file",
          "arguments": {
            "path": "firmware/telemetry.c"
          },
          "is_error": false,
          "output": {
            "path": "firmware/telemetry.c",
            "source_line_count": 1,
            "source_sha256": "d5471267b97e24bb1bff185f4ea9aa1ca3b574932acb2f6fe3bc0271defd3131",
            "source_content_omitted": true
          }
        },
        {
          "at_utc": "2026-10-14T06:13:23.328654+00:00",
          "tool": "set_sampling",
          "arguments": {
            "alarm_c": 60,
            "period_ms": 1000
          },
          "is_error": false,
          "output": {
            "status": "updated",
            "before": {
              "name": "taiiot-temperature-demo",
              "target": "host-simulator",
              "sample_period_ms": 1000,
              "alarm_threshold_c": 60.0
            },
            "after": {
              "name": "taiiot-temperature-demo",
              "target": "host-simulator",
              "sample_period_ms": 1000,
              "alarm_threshold_c": 60.0
            },
            "requires_rebuild": true
          }
        },
        {
          "at_utc": "2026-10-14T06:13:23.338566+00:00",
          "tool": "build_project",
          "arguments": {},
          "is_error": false,
          "output": {
            "status": "failed",
            "target": "host-simulator",
            "exit_code": 1,
            "stderr": "<isolated-demo-workspace>/firmware/telemetry.c:1:1: error: unknown type name ‘this’\n    1 | this is not valid C\n      | ^~~~\n<isolated-demo-workspace>/firmware/telemetry.c:1:9: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘not’\n    1 | this is not valid C\n      |         ^~~\n<isolated-demo-workspace>/firmware/telemetry.c:1:9: error: unknown type name ‘not’\n",
            "command": [
              "/usr/bin/cc",
              "-std=c11",
              "-Wall",
              "-Wextra",
              "-Werror",
              "-O2",
              "-I",
              "<isolated-demo-workspace>/build",
              "<isolated-demo-workspace>/firmware/telemetry.c",
              "-o",
              "<isolated-demo-workspace>/build/sampler"
            ]
          }
        },
        {
          "at_utc": "2026-10-14T06:13:23.382240+00:00",
          "tool": "run_simulation",
          "arguments": {},
          "error": "Error executing tool run_simulation: Build the project before running the simulation."
        },
        {
          "at_utc": "2026-10-14T06:13:23.390239+00:00",
          "tool": "get_git_diff",
          "arguments": {},
          "is_error": false,
          "output": {
            "status": "passed",
            "git_status": " M firmware/telemetry.c\n",
            "diff": "diff --git a/firmware/telemetry.c b/firmware/telemetry.c\nindex 3d3f5ad..ff9a095 100644\n--- a/firmware/telemetry.c\n+++ b/firmware/telemetry.c\n@@ -1,54 +1 @@\n-#include <stdint.h>\n-#include <stdio.h>\n-#include <string.h>\n-#include \"config.h\"\n-\n-/* Pure application logic; the clock and sensor are simulated on the host. */\n-static int sample_due(uint32_t now, uint32_t previous)\n-{\n-    return (uint32_t)(now - previous) >= SAMPLE_PERIOD_MS;\n-}\n-\n-static int alarm_active(int temperature_deci_c)\n-{\n-    return temperature_deci_c >= ALARM_THRESHOLD_DECI_C;\n-}\n-\n-static int self_test(void)\n-{\n-    int failures = 0;\n-#define CHECK(label, condition) do { \\\n-    int passed = !!(condition); \\\n-    printf(\"{\\\"case\\\":\\\"%s\\\",\\\"passed\\\":%s}\\n\", label, passed ? \"true\" : \"false\"); \\\n-    if (!passed) ++failures; \\\n-} while (0)\n-\n-    CHECK(\"no_sample_before_period\", !sample_due(SAMPLE_PERIOD_MS - 1U, 0));\n-    CHECK(\"sample_at_period\", sample_due(SAMPLE_PERIOD_MS, 0));\n-    CHECK(\"clock_wraparound\", sample_due(249U, UINT32_MAX - SAMPLE_PERIOD_MS + 249U));\n-    CHECK(\"no_alarm_below_threshold\", !alarm_active(ALARM_THRESHOLD_DECI_C - 1));\n-    CHECK(\"alarm_at_threshold\", alarm_active(ALARM_THRESHOLD_DECI_C));\n-    CHECK(\"alarm_above_threshold\", alarm_active(ALARM_THRESHOLD_DECI_C + 1));\n-    return failures ? 1 : 0;\n-}\n-\n-int main(int argc, char **argv)\n-{\n-    if (argc == 2 && strcmp(argv[1], \"--self-test\") == 0) {\n-        return self_test();\n-    }\n-\n-    uint32_t previous = 0;\n-    unsigned sequence = 0;\n-    for (uint32_t now = 0; sequence < 10U; now += 10U) {\n-        if (now == 0U || sample_due(now, previous)) {\n-            int temperature = 245 + (int)sequence * 5;\n-            printf(\"{\\\"sequence\\\":%u,\\\"time_ms\\\":%u,\\\"temperature_c\\\":%.1f,\\\"alarm\\\":%s}\\n\",\n-                   sequence, now, temperature / 10.0,\n-                   alarm_active(temperature) ? \"true\" : \"false\");\n-            previous = now;\n-            ++sequence;\n-        }\n-    }\n-    return 0;\n-}\n+this is not valid C\n",
            "stderr": "",
            "remote_access": false
          }
        }
      ]
    },
    {
      "scenario": "normal",
      "started_at_utc": "2026-10-14T06:09:33.233917+00:00",
      "finished_at_utc": "2026-10-14T06:10:09.391448+00:00",
      "request": "使用 taiiot-demo 的 MCP 工具先读取工程上下文和 C 源码，把采样周期从 1000 毫秒改为 500 毫秒，报警阈值改为 28℃。实际编译，执行模拟测试，展示 Git 差异。按真实工具输出汇报检查和样本结果，说明时钟和传感器是模拟的，没有芯片或 PLC 真机验证。所有工程操作只使用该 MCP 的六个工具；不调用 shell，不提交或推送，不启动其他代理。",
      "initial_config": {
        "name": "taiiot-temperature-demo",
        "target": "host-simulator",
        "sample_period_ms": 1000,
        "alarm_threshold_c": 60.0
      },
      "client_exit_code": 0,
      "timed_out": false,
      "status": "failed",
      "checks": [
        {
          "check": "actual_mcp_requests_recorded",
          "passed": false
        },
        {
          "check": "only_demo_tools_called",
          "passed": false
        },
        {
          "check": "context_and_source_read_first",
          "passed": false
        },
        {
          "check": "recorded_diff_matches_project",
          "passed": false
        },
        {
          "check": "no_commit_created",
          "passed": true
        },
        {
          "check": "requested_parameters_present",
          "passed": false
        },
        {
          "check": "actual_build_before_simulation",
          "passed": false
        },
        {
          "check": "seven_checks_ten_samples_three_alarms",
          "passed": false
        },
        {
          "check": "build_matches_final_source",
          "passed": false
        },
        {
          "check": "actual_binary_matches_recorded_samples",
          "passed": false
        },
        {
          "check": "normal_workflow_has_no_tool_failure",
          "passed": true
        },
        {
          "check": "client_completed",
          "passed": true
        },
        {
          "check": "final_client_response_present",
          "passed": true
        }
      ],
      "client_summary": {
        "final_message": "未能执行：`get_project_profile` 和 `read_project_file` 均返回权限错误：\n\n```text\nMCP tool call requires approval, but approval policy is never\n```\n\n当前策略禁止审批，因此无法读取工程上下文和 C 源码，也无法继续修改、编译、模拟测试或获取 Git 差异。没有检查结果或样本结果可汇报。\n\n本次未调用 shell，未提交或推送，也未启动其他代理。该测试使用模拟时钟和模拟传感器；本次模拟未运行，也没有芯片或 PLC 真机验证。",
        "usage": {
          "input_tokens": 41711,
          "cached_input_tokens": 27008,
          "cache_write_input_tokens": 0,
          "output_tokens": 347,
          "reasoning_output_tokens": 72
        },
        "cost": {
          "amount": null,
          "reason": "Client did not expose monetary cost."
        }
      },
      "id": "initial-approval-denial",
      "review": {
        "status": "expected failure retained",
        "reviewer": "Codex task maintainer; independent comparison of final response, audit and project artifacts",
        "notes": "Final response agrees with actual tool output and states host/simulation/hardware limits."
      },
      "tools": [],
      "notes": "Initial unattended run denied MCP tool calls. Model reported failure honestly; server recorded zero calls. Retried in a new workspace with explicit approval for the six isolated demo tools. This attempt is not a pass."
    }
  ],
  "environment": {
    "platform": "Linux-6.12.105+deb13-amd64-x86_64-with-glibc2.41",
    "python": "3.13.5",
    "mcp": "2.3.0",
    "git": "2.47.3",
    "compiler": "cc 14.2.0"
  }
}