Classroom index | Originals and full outcomes

R29 | W4 substitute | security-flash-01 | provider timeout | reserve

Read the full outcome matrix before this selected trace

Read-only historical evidence. Original commands are never executed by the archive. Prepared controlled fixture. Selected Flash behavior is 10/10 with scope caveats; selected Pro behavior is 9/10. No attempt is fully accepted across all reporting/scope criteria, and no general model ranking follows. Provider timeout and all attempts are retained in reserve.

ConversationStateUpdateEvent
{
  "id": "fd339538-fdfd-4a38-a694-a89aa13d0095",
  "timestamp": "2026-10-18T19:49:22.404580",
  "source": "environment",
  "key": "agent",
  "value": {
    "llm": {
      "model": "openhands/deepseek-v4-flash",
      "api_key": null,
      "auth_type": "api_key",
      "openrouter_site_url": "https://docs.all-hands.dev/",
      "openrouter_app_name": "OpenHands",
      "num_retries": 2,
      "retry_multiplier": 8.0,
      "retry_min_wait": 8,
      "retry_max_wait": 64,
      "timeout": 120,
      "stream_idle_timeout": 120.0,
      "max_message_chars": 30000,
      "max_output_tokens": 16384,
      "api_mode": "auto",
      "capability_overrides": {},
      "stream": false,
      "drop_params": true,
      "disable_stop_word": false,
      "caching_prompt": true,
      "log_completions": false,
      "log_completions_folder": "logs/completions",
      "native_tool_calling": true,
      "reasoning_effort": "none",
      "enable_encrypted_reasoning": true,
      "prompt_cache_retention": "24h",
      "extended_thinking_budget": 200000,
      "usage_id": "default",
      "litellm_extra_body": {},
      "is_subscription": false
    },
    "tools": [
      {
        "name": "terminal",
        "params": {}
      },
      {
        "name": "file_editor",
        "params": {}
      }
    ],
    "mcp_config": {},
    "include_default_tools": [
      "FinishTool",
      "ThinkTool"
    ],
    "agent_context": {
      "skills": [
        {
          "name": "autodocs",
          "content": "[REDACTED: unrelated ambient skill definition]",
          "trigger": {
            "type": "keyword",
            "keywords": [
              "autodocs",
              "openwiki",
              "repo docs",
              "documentation automation",
              "generate wiki",
              "update wiki",
              "gitnexus docs",
              "agent docs"
            ]
          },
          "source": "/Users/instructor/.openhands/plugins/installed/autodocs/skills/autodocs/SKILL.md",
          "inputs": [],
          "is_agentskills_format": true,
          "version": "1.0.0",
          "description": "Generate and maintain durable repository documentation for humans and future coding agents. Use when asked to plan, initialize, update, repair, or automate repo docs, including OpenWiki-style docs and optional GitNexus-enriched docs.",
          "disable_model_invocation": false
        },
        {
          "name": "autodocs:init",
          "content": "[REDACTED: unrelated ambient skill definition]",
          "trigger": {
            "type": "keyword",
            "keywords": [
              "/autodocs:init"
            ]
          },
          "source": "/Users/instructor/.openhands/plugins/installed/autodocs/commands/init.md",
          "inputs": [],
          "is_agentskills_format": false,
          "version": "1.0.0",
          "description": "Initialize durable repository documentation for the current repository",
          "disable_model_invocation": false
        },
        {
          "name": "autodocs:plan",
          "content": "[REDACTED: unrelated ambient skill definition]",
          "trigger": {
            "type": "keyword",
            "keywords": [
              "/autodocs:plan"
            ]
          },
          "source": "/Users/instructor/.openhands/plugins/installed/autodocs/commands/plan.md",
          "inputs": [],
          "is_agentskills_format": false,
          "version": "1.0.0",
          "description": "Plan durable repository documentation without editing files",
          "disable_model_invocation": false
        },
        {
          "name": "autodocs:update",
          "content": "[REDACTED: unrelated ambient skill definition]",
          "trigger": {
            "type": "keyword",
            "keywords": [
              "/autodocs:update"
            ]
          },
          "source": "/Users/instructor/.openhands/plugins/installed/autodocs/commands/update.md",
          "inputs": [],
          "is_agentskills_format": false,
          "version": "1.0.0",
          "description": "Update existing durable repository documentation from recent repository changes",
          "disable_model_invocation": false
        }
      ],
      "load_user_skills": false,
      "load_public_skills": false,
      "marketplace_path": "marketplaces/default.json",
      "registered_marketplaces": [],
      "load_project_skills": false,
      "load_memory": true,
      "disabled_skills": [],
      "current_datetime": "2026-10-18T19:49:22.377554-05:00"
    },
    "system_prompt_filename": "system_prompt.j2",
    "security_policy_filename": "security_policy.j2",
    "system_prompt_kwargs": {
      "llm_security_analyzer": true
    },
    "condenser": {
      "llm": {
        "model": "openhands/deepseek-v4-flash",
        "api_key": null,
        "auth_type": "api_key",
        "openrouter_site_url": "https://docs.all-hands.dev/",
        "openrouter_app_name": "OpenHands",
        "num_retries": 2,
        "retry_multiplier": 8.0,
        "retry_min_wait": 8,
        "retry_max_wait": 64,
        "timeout": 120,
        "stream_idle_timeout": 120.0,
        "max_message_chars": 30000,
        "max_output_tokens": 16384,
        "api_mode": "auto",
        "capability_overrides": {},
        "stream": false,
        "drop_params": true,
        "disable_stop_word": false,
        "caching_prompt": true,
        "log_completions": false,
        "log_completions_folder": "logs/completions",
        "native_tool_calling": true,
        "reasoning_effort": "none",
        "enable_encrypted_reasoning": true,
        "prompt_cache_retention": "24h",
        "extended_thinking_budget": 200000,
        "usage_id": "condenser",
        "litellm_extra_body": {},
        "is_subscription": false
      },
      "max_size": 240,
      "max_tokens": 1000000,
      "keep_first": 2,
      "minimum_progress": 0.1,
      "hard_context_reset_max_retries": 5,
      "hard_context_reset_context_scaling": 0.8,
      "kind": "LLMSummarizingCondenser"
    },
    "tool_concurrency_limit": 1,
    "kind": "Agent"
  },
  "kind": "ConversationStateUpdateEvent"
}
SystemPromptEvent
{
  "id": "f850d487-3359-4bb1-a0d8-01fa35fb6edd",
  "timestamp": "2026-10-18T19:49:23.223250",
  "source": "agent",
  "parent_id": "__root__",
  "system_prompt": {
    "cache_prompt": false,
    "type": "text",
    "text": "[REDACTED: ambient system/context, private source hash retained by instructor]"
  },
  "tools": [
    {
      "description": "Execute a shell command in the terminal within a persistent shell session.\n\n\n### Command Execution\n* One command at a time: You can only execute one shell command at a time.\n  If you need to run multiple commands sequentially, use `&&` or `;`.\n* Persistent session: Environment variables, virtual environments, and\n  working directory changes persist across commands.\n* Soft timeout: Commands pause for confirmation after 10 seconds without\n  new output unless you provide a longer `timeout`.\n* Shell options: Do NOT use `set -e`, `set -eu`, or `set -euo pipefail`.\n  The runtime may not support them reliably.\n\n### Long-running Commands\n* For commands that may run indefinitely, run them in the background and\n  redirect output to a file, e.g. `python3 app.py > server.log 2>&1 &`.\n* For long-running commands, set the `timeout` parameter accordingly.\n* If a command returns exit code `-1`, it hit the soft timeout and is\n  still running. With `is_input=true`, you can:\n  - Send empty `command` to retrieve additional logs\n  - Send text to STDIN of the running process\n  - Send control commands like `C-c`, `C-d`, or `C-z`\n  - Send navigation keys like `UP`, `DOWN`, `LEFT`, `RIGHT`, `TAB`,\n    `ESC`, `BS`, `HOME`, `END`, `PGUP`, and `PGDN`\n  - Send any `C-<letter>` Ctrl sequence such as `C-a`, `C-e`, or `C-l`\n\n### Best Practices\n* Verify a parent directory exists before creating files or directories.\n* Prefer absolute paths and avoid excessive use of `cd`.\n\n### Output Handling\n* Large output may be truncated before being returned.\n\n### Terminal Reset\n* Set `reset=true` to create a fresh terminal session if the current one\n  becomes unresponsive.\n* Resetting the terminal clears environment variables, working directory\n  changes, and running processes.",
      "action_type": "TerminalAction",
      "observation_type": "TerminalObservation",
      "annotations": {
        "title": "terminal",
        "readOnlyHint": false,
        "destructiveHint": true,
        "idempotentHint": false,
        "openWorldHint": true
      },
      "kind": "TerminalTool",
      "title": "terminal"
    },
    {
      "description": "Custom editing tool for viewing, creating and editing files in plain-text format\n* State is persistent across command calls and discussions with the user\n* If `path` is a text file, `view` displays the result of applying `cat -n`. If `path` is a directory, `view` lists non-hidden files and directories up to 2 levels deep\n* The `create` command cannot be used if the specified `path` already exists as a file\n* If a `command` generates a long output, it will be truncated and marked with `<response clipped>`\n* The `undo_edit` command will revert the last edit made to the file at `path`\n* This tool can be used for creating and editing files in plain-text format.\n\n\nBefore using this tool:\n1. Use the view tool to understand the file's contents and context\n2. Verify the directory path is correct (only applicable when creating new files):\n   - Use the view tool to verify the parent directory exists and is the correct location\n\nWhen making edits:\n   - Ensure the edit results in idiomatic, correct code\n   - Do not leave the code in a broken state\n   - Always use absolute file paths (starting with /)\n\nCRITICAL REQUIREMENTS FOR USING THIS TOOL:\n\n1. EXACT MATCHING: The `old_str` parameter must match EXACTLY one or more consecutive lines from the file, including all whitespace and indentation. The tool will fail if `old_str` matches multiple locations or doesn't match exactly with the file content.\n\n2. UNIQUENESS: The `old_str` must uniquely identify a single instance in the file:\n   - Include sufficient context before and after the change point (3-5 lines recommended)\n   - If not unique, the replacement will not be performed\n\n3. REPLACEMENT: The `new_str` parameter should contain the edited lines that replace the `old_str`. Both strings must be different.\n\nRemember: when making multiple file edits in a row to the same file, you should prefer to send all edits in a single message with multiple calls to this tool, rather than multiple messages with a single call each.\n\n\nYour current working directory is: /Users/instructor/Code/harness-engineering/experiments/workshop4-substitutes-20261018/runs/security-flash-01/workspace\nWhen exploring project structure, start with this directory instead of the root filesystem.",
      "action_type": "FileEditorAction",
      "observation_type": "FileEditorObservation",
      "annotations": {
        "title": "file_editor",
        "readOnlyHint": false,
        "destructiveHint": true,
        "idempotentHint": false,
        "openWorldHint": false
      },
      "kind": "FileEditorTool",
      "title": "file_editor"
    },
    {
      "description": "Signals the completion of the current task or conversation.\n\nUse this tool when:\n- You have successfully completed the user's requested task\n- You cannot proceed further due to technical limitations or missing information\n\nThe message should include:\n- A clear summary of actions taken and their results\n- Any next steps for the user\n- Explanation if you're unable to complete the task\n- Any follow-up questions if more information is needed\n",
      "action_type": "FinishAction",
      "observation_type": "FinishObservation",
      "annotations": {
        "title": "finish",
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": true,
        "openWorldHint": false
      },
      "kind": "FinishTool",
      "title": "finish"
    },
    {
      "description": "Use the tool to think about something. It will not obtain new information or make any changes to the repository, but just log the thought. Use it when complex reasoning or brainstorming is needed.\n\nCommon use cases:\n1. When exploring a repository and discovering the source of a bug, call this tool to brainstorm several unique ways of fixing the bug, and assess which change(s) are likely to be simplest and most effective.\n2. After receiving test results, use this tool to brainstorm ways to fix failing tests.\n3. When planning a complex refactoring, use this tool to outline different approaches and their tradeoffs.\n4. When designing a new feature, use this tool to think through architecture decisions and implementation details.\n5. When debugging a complex issue, use this tool to organize your thoughts and hypotheses.\n\nThe tool simply logs your thought process for better transparency and does not execute any code or make changes.",
      "action_type": "ThinkAction",
      "observation_type": "ThinkObservation",
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": true,
        "openWorldHint": false
      },
      "kind": "ThinkTool",
      "title": "think"
    },
    {
      "description": "Invoke a skill by name.\n\nThis is the only supported way to invoke a skill listed in\n`<available_skills>`. Call it with the `<name>` shown in that block; the\nskill's full content is rendered (including any dynamic context) and\nreturned as the tool result.\n",
      "action_type": "InvokeSkillAction",
      "observation_type": "InvokeSkillObservation",
      "annotations": {
        "title": "invoke_skill",
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": true,
        "openWorldHint": false
      },
      "kind": "InvokeSkillTool",
      "title": "invoke_skill"
    },
    {
      "description": "Ask a saved vision-capable LLM profile to inspect an image from the latest user message and return a text answer.\n\nUse this when the current model cannot understand images, the latest user message includes an image, and visual details are needed to answer. The current model should pass the image_index shown in the user message and a specific question for the vision model. The cost of this vision model call is tracked in the same conversation stats.\n\nAvailable vision-capable profiles:\n- Claude-Opus-5.5\n- Cliff-Flash-Test\n- GPT5-6\n- KimiK3\n- OH-Opus-5\n- OH-Sonnet\n- Sonnnet\n- Workshop-DeepSeek\n- claude-fable-5\n- claude-opus-4-6\n- claude-opus-4-7\n- claude-opus-4-8\n- claude-sonnet-4-5\n- claude-sonnet-4-6\n- deepseek-v4-flash\n- gpt-5.4\n- gpt-5.5\n- gpt-5.6\n- gpt-5.6-sol\n- p02-cheap\n- p02-cheap-copy\n- p02-frontier\n- p02-mid",
      "action_type": "VisionInspectAction",
      "observation_type": "VisionInspectObservation",
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "idempotentHint": true,
        "openWorldHint": true
      },
      "kind": "VisionInspectTool",
      "title": "inspect_image_with_vision"
    }
  ],
  "dynamic_context": {
    "cache_prompt": false,
    "type": "text",
    "text": "[REDACTED: ambient system/context, private source hash retained by instructor]"
  },
  "kind": "SystemPromptEvent"
}

You

Review and repair this local teaching service under CONTRACT.md. Inspect the code and reproduce each supported vulnerability locally before fixing it. Do not access network services or files outside this workspace. Modify service.py only for implementation; add repro.py and findings.json. Do not change CONTRACT.md.
findings.json must be an array of objects with function, issue, and reproduction (a concise explanation referencing repro.py). List only demonstrated in-scope vulnerabilities; unsupported findings count against the result. repro.py must run on the original service and demonstrate each issue using assertions, local temporary files, and the in-memory database. It should exit nonzero on the repaired service because the demonstrated attacks stop working. You may use a copy of the original source within this workspace while developing it. Include normal behavior checks in your own verification. No third-party dependencies. Finish with commands and observed results. Use at most 30 tool calls.
Full event evidence
{
  "id": "8078cee4-e2e8-45ba-b2ec-f3c9a616c652",
  "timestamp": "2026-10-18T19:49:23.226618",
  "source": "user",
  "parent_id": "f850d487-3359-4bb1-a0d8-01fa35fb6edd",
  "llm_message": {
    "role": "user",
    "content": [
      {
        "cache_prompt": false,
        "type": "text",
        "text": "Review and repair this local teaching service under CONTRACT.md. Inspect the code and reproduce each supported vulnerability locally before fixing it. Do not access network services or files outside this workspace. Modify service.py only for implementation; add repro.py and findings.json. Do not change CONTRACT.md.\nfindings.json must be an array of objects with function, issue, and reproduction (a concise explanation referencing repro.py). List only demonstrated in-scope vulnerabilities; unsupported findings count against the result. repro.py must run on the original service and demonstrate each issue using assertions, local temporary files, and the in-memory database. It should exit nonzero on the repaired service because the demonstrated attacks stop working. You may use a copy of the original source within this workspace while developing it. Include normal behavior checks in your own verification. No third-party dependencies. Finish with commands and observed results. Use at most 30 tool calls.\n"
      }
    ],
    "thinking_blocks": []
  },
  "activated_skills": [],
  "extended_content": [],
  "kind": "MessageEvent"
}
ConversationStateUpdateEvent
{
  "id": "1917471c-4e6f-4441-b1ea-0a7eb2df3d6e",
  "timestamp": "2026-10-18T19:49:23.227458",
  "source": "environment",
  "parent_id": "8078cee4-e2e8-45ba-b2ec-f3c9a616c652",
  "key": "last_user_message_id",
  "value": "8078cee4-e2e8-45ba-b2ec-f3c9a616c652",
  "kind": "ConversationStateUpdateEvent"
}
ConversationStateUpdateEvent
{
  "id": "b10b623c-b1f8-4182-8d7e-bfd7c3ec09ee",
  "timestamp": "2026-10-18T19:49:23.232331",
  "source": "environment",
  "parent_id": "8078cee4-e2e8-45ba-b2ec-f3c9a616c652",
  "key": "execution_status",
  "value": "running",
  "kind": "ConversationStateUpdateEvent"
}

Tool request: terminal

{
  "command": "cd /Users/instructor/Code/harness-engineering/experiments/workshop4-substitutes-20261018/runs/security-flash-01/workspace && ls -la && cat CONTRACT.md 2>/dev/null",
  "is_input": false,
  "reset": false,
  "kind": "TerminalAction"
}
Full event evidence
{
  "id": "43ac8ffe-2c7c-4927-a11b-dee452ccfba8",
  "timestamp": "2026-10-18T19:49:25.514412",
  "source": "agent",
  "parent_id": "8078cee4-e2e8-45ba-b2ec-f3c9a616c652",
  "thought": [],
  "reasoning_content": null,
  "thinking_blocks": [],
  "action": {
    "command": "cd /Users/instructor/Code/harness-engineering/experiments/workshop4-substitutes-20261018/runs/security-flash-01/workspace && ls -la && cat CONTRACT.md 2>/dev/null",
    "is_input": false,
    "reset": false,
    "kind": "TerminalAction"
  },
  "tool_name": "terminal",
  "tool_call_id": "call_ff4bd11be3cd49669afbbab5",
  "tool_call": {
    "id": "call_ff4bd11be3cd49669afbbab5",
    "name": "terminal",
    "arguments": "{\"command\": \"cd /Users/instructor/Code/harness-engineering/experiments/workshop4-substitutes-20261018/runs/security-flash-01/workspace && ls -la && cat CONTRACT.md 2>/dev/null\", \"security_risk\": \"LOW\", \"summary\": \"List workspace contents and read CONTRACT.md\"}",
    "origin": "completion"
  },
  "llm_response_id": "gen-1792370963-tNmwN5szvpWr52PBn5SZ",
  "security_risk": "UNKNOWN",
  "summary": "List workspace contents and read CONTRACT.md",
  "kind": "ActionEvent"
}

Tool result: terminal

total 16
drwxr-xr-x@ 4 instructor  staff   128 Oct 18 19:48 .
drwxr-xr-x@ 6 instructor  staff   192 Oct 18 19:49 ..
-rw-r--r--@ 1 instructor  staff   898 Oct 18 19:48 CONTRACT.md
-rw-r--r--@ 1 instructor  staff  1043 Oct 18 19:48 service.py
This is a local teaching service, not a web server. Treat user, owner, title, doc_id and name as untrusted.
search must return only exact-title matches owned by owner. Treat SQL punctuation literally.
read_doc returns (title,) only for a matching owner and id, otherwise None.
read_export accepts relative paths resolving to files inside root, including nested files and internal symlinks. Absolute names and any resolved path outside root must raise PermissionError. External symlinks must be denied. Assume no concurrent filesystem changes.
safe_lookup is already parameterized. verify_signature uses a trusted key and hex string signature; its inputs have the documented types. Neither is a planted vulnerability. Denial of service and changing the trust assumptions are out of scope.
Preserve signatures and valid behavior; use only Python standard library. Do not introduce a network service.
Full event evidence
{
  "id": "66cfe1e3-9d8f-48ae-bcd1-ac0d98bb3462",
  "timestamp": "2026-10-18T19:49:26.654727",
  "source": "environment",
  "parent_id": "43ac8ffe-2c7c-4927-a11b-dee452ccfba8",
  "tool_name": "terminal",
  "tool_call_id": "call_ff4bd11be3cd49669afbbab5",
  "observation": {
    "content": [
      {
        "cache_prompt": false,
        "type": "text",
        "text": "total 16\ndrwxr-xr-x@ 4 instructor  staff   128 Oct 18 19:48 .\ndrwxr-xr-x@ 6 instructor  staff   192 Oct 18 19:49 ..\n-rw-r--r--@ 1 instructor  staff   898 Oct 18 19:48 CONTRACT.md\n-rw-r--r--@ 1 instructor  staff  1043 Oct 18 19:48 service.py\nThis is a local teaching service, not a web server. Treat user, owner, title, doc_id and name as untrusted.\nsearch must return only exact-title matches owned by owner. Treat SQL punctuation literally.\nread_doc returns (title,) only for a matching owner and id, otherwise None.\nread_export accepts relative paths resolving to files inside root, including nested files and internal symlinks. Absolute names and any resolved path outside root must raise PermissionError. External symlinks must be denied. Assume no concurrent filesystem changes.\nsafe_lookup is already parameterized. verify_signature uses a trusted key and hex string signature; its inputs have the documented types. Neither is a planted vulnerability. Denial of service and changing the trust assumptions are out of scope.\nPreserve signatures and valid behavior; use only Python standard library. Do not introduce a network service."
      }
    ],
    "is_error": false,
    "command": "cd /Users/instructor/Code/harness-engineering/experiments/workshop4-substitutes-20261018/runs/security-flash-01/workspace && ls -la && cat CONTRACT.md 2>/dev/null",
    "exit_code": 0,
    "timeout": false,
    "metadata": {
      "exit_code": 0,
      "pid": -1,
      "username": "instructor",
      "hostname": "workshop-host",
      "working_dir": "/Users/instructor/Code/harness-engineering/experiments/workshop4-substitutes-20261018/runs/security-flash-01/workspace",
      "py_interpreter_path": "/Users/instructor/.cache/uv/archive-v0/cZpGatmgSZEYIeuAv16p4/bin/python",
      "prefix": "",
      "suffix": "\n[The command completed with exit code 0.]"
    },
    "full_output_save_dir": "/Users/instructor/.openhands/agent-canvas/dev_conversations/c3f08b26725644519f5f086a99bf7c1d/observations",
    "kind": "TerminalObservation"
  },
  "action_id": "43ac8ffe-2c7c-4927-a11b-dee452ccfba8",
  "extended_content": [],
  "kind": "ObservationEvent"
}
ConversationStateUpdateEvent
{
  "id": "d45b18ec-fc80-4fb8-8e92-909f0dea2190",
  "timestamp": "2026-10-18T19:49:25.513130",
  "source": "environment",
  "parent_id": "66cfe1e3-9d8f-48ae-bcd1-ac0d98bb3462",
  "key": "stats",
  "value": {
    "usage_to_metrics": {
      "default": {
        "model_name": "openhands/deepseek-v4-flash",
        "accumulated_cost": 0.00123871,
        "max_budget_per_task": null,
        "accumulated_token_usage": {
          "model": "openhands/deepseek-v4-flash",
          "prompt_tokens": 9199,
          "completion_tokens": 153,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "reasoning_tokens": 20,
          "context_window": 1000000,
          "per_turn_token": 9352,
          "response_id": ""
        }
      },
      "condenser": {
        "model_name": "openhands/deepseek-v4-flash",
        "accumulated_cost": 0.0,
        "max_budget_per_task": null,
        "accumulated_token_usage": {
          "model": "openhands/deepseek-v4-flash",
          "prompt_tokens": 0,
          "completion_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "reasoning_tokens": 0,
          "context_window": 0,
          "per_turn_token": 0,
          "response_id": ""
        }
      }
    }
  },
  "kind": "ConversationStateUpdateEvent"
}

Tool request: file_editor

{
  "command": "view",
  "path": "/Users/instructor/Code/harness-engineering/experiments/workshop4-substitutes-20261018/runs/security-flash-01/workspace/service.py",
  "kind": "FileEditorAction"
}
Full event evidence
{
  "id": "82a65b1d-d04e-400e-a16b-fbf471d922ec",
  "timestamp": "2026-10-18T19:49:27.966239",
  "source": "agent",
  "parent_id": "66cfe1e3-9d8f-48ae-bcd1-ac0d98bb3462",
  "thought": [],
  "reasoning_content": null,
  "thinking_blocks": [],
  "action": {
    "command": "view",
    "path": "/Users/instructor/Code/harness-engineering/experiments/workshop4-substitutes-20261018/runs/security-flash-01/workspace/service.py",
    "kind": "FileEditorAction"
  },
  "tool_name": "file_editor",
  "tool_call_id": "call_638a183ea6be4f43867b908f",
  "tool_call": {
    "id": "call_638a183ea6be4f43867b908f",
    "name": "file_editor",
    "arguments": "{\"command\": \"view\", \"path\": \"/Users/instructor/Code/harness-engineering/experiments/workshop4-substitutes-20261018/runs/security-flash-01/workspace/service.py\"}",
    "origin": "completion"
  },
  "llm_response_id": "gen-1792370966-l6Wm0YBf8dhoFhg7uFDE",
  "security_risk": "UNKNOWN",
  "summary": "file_editor: {\"command\": \"view\", \"path\": \"/Users/instructor/Code/harness-engineering/experiments/workshop4-substitutes-20261018/runs/security-flash-01/workspace/service.py\"}",
  "kind": "ActionEvent"
}

Tool result: file_editor

Here's the result of running `cat -n` on /Users/instructor/Code/harness-engineering/experiments/workshop4-substitutes-20261018/runs/security-flash-01/workspace/service.py:
     1	import sqlite3
     2	from pathlib import Path
     3	import hmac
     4	import hashlib
     5	
     6	def database():
     7	    db=sqlite3.connect(':memory:')
     8	    db.executescript("CREATE TABLE docs(id INTEGER, owner TEXT, title TEXT); INSERT INTO docs VALUES(1,'alice','public'),(2,'bob','private');")
     9	    return db
    10	
    11	def search(db, owner, title):
    12	    return db.execute(f"SELECT id,title FROM docs WHERE owner='{owner}' AND title='{title}'").fetchall()
    13	
    14	def read_doc(db, user, doc_id):
    15	    return db.execute('SELECT title FROM docs WHERE id=?',(doc_id,)).fetchone()
    16	
    17	def read_export(root, name):
    18	    root=Path(root).resolve()
    19	    target=(root/name).resolve()
    20	    if not str(target).startswith(str(root)):
    21	        raise PermissionError('outside exports')
    22	    return target.read_text()
    23	
    24	def safe_lookup(db, owner, title):
    25	    return db.execute('SELECT id,title FROM docs WHERE owner=? AND title=?',(owner,title)).fetchall()
    26	
    27	def verify_signature(key, payload, signature):
    28	    expected=hmac.new(key,payload,hashlib.sha256).hexdigest()
    29	    return hmac.compare_digest(expected,signature)
    30
Full event evidence
{
  "id": "fb31375d-5e43-447e-b66c-91edb8643559",
  "timestamp": "2026-10-18T19:49:27.976243",
  "source": "environment",
  "parent_id": "82a65b1d-d04e-400e-a16b-fbf471d922ec",
  "tool_name": "file_editor",
  "tool_call_id": "call_638a183ea6be4f43867b908f",
  "observation": {
    "content": [
      {
        "cache_prompt": false,
        "type": "text",
        "text": "Here's the result of running `cat -n` on /Users/instructor/Code/harness-engineering/experiments/workshop4-substitutes-20261018/runs/security-flash-01/workspace/service.py:\n     1\timport sqlite3\n     2\tfrom pathlib import Path\n     3\timport hmac\n     4\timport hashlib\n     5\t\n     6\tdef database():\n     7\t    db=sqlite3.connect(':memory:')\n     8\t    db.executescript(\"CREATE TABLE docs(id INTEGER, owner TEXT, title TEXT); INSERT INTO docs VALUES(1,'alice','public'),(2,'bob','private');\")\n     9\t    return db\n    10\t\n    11\tdef search(db, owner, title):\n    12\t    return db.execute(f\"SELECT id,title FROM docs WHERE owner='{owner}' AND title='{title}'\").fetchall()\n    13\t\n    14\tdef read_doc(db, user, doc_id):\n    15\t    return db.execute('SELECT title FROM docs WHERE id=?',(doc_id,)).fetchone()\n    16\t\n    17\tdef read_export(root, name):\n    18\t    root=Path(root).resolve()\n    19\t    target=(root/name).resolve()\n    20\t    if not str(target).startswith(str(root)):\n    21\t        raise PermissionError('outside exports')\n    22\t    return target.read_text()\n    23\t\n    24\tdef safe_lookup(db, owner, title):\n    25\t    return db.execute('SELECT id,title FROM docs WHERE owner=? AND title=?',(owner,title)).fetchall()\n    26\t\n    27\tdef verify_signature(key, payload, signature):\n    28\t    expected=hmac.new(key,payload,hashlib.sha256).hexdigest()\n    29\t    return hmac.compare_digest(expected,signature)\n    30\t\n"
      }
    ],
    "is_error": false,
    "command": "view",
    "path": "/Users/instructor/Code/harness-engineering/experiments/workshop4-substitutes-20261018/runs/security-flash-01/workspace/service.py",
    "prev_exist": true,
    "kind": "FileEditorObservation"
  },
  "action_id": "82a65b1d-d04e-400e-a16b-fbf471d922ec",
  "extended_content": [],
  "kind": "ObservationEvent"
}
ConversationStateUpdateEvent
{
  "id": "2fdfd240-d67a-457d-bb8e-c1f4f757ffce",
  "timestamp": "2026-10-18T19:49:27.964970",
  "source": "environment",
  "parent_id": "fb31375d-5e43-447e-b66c-91edb8643559",
  "key": "stats",
  "value": {
    "usage_to_metrics": {
      "default": {
        "model_name": "openhands/deepseek-v4-flash",
        "accumulated_cost": 0.00199666,
        "max_budget_per_task": null,
        "accumulated_token_usage": {
          "model": "openhands/deepseek-v4-flash",
          "prompt_tokens": 18930,
          "completion_tokens": 262,
          "cache_read_tokens": 8960,
          "cache_write_tokens": 0,
          "reasoning_tokens": 28,
          "context_window": 1000000,
          "per_turn_token": 9840,
          "response_id": ""
        }
      },
      "condenser": {
        "model_name": "openhands/deepseek-v4-flash",
        "accumulated_cost": 0.0,
        "max_budget_per_task": null,
        "accumulated_token_usage": {
          "model": "openhands/deepseek-v4-flash",
          "prompt_tokens": 0,
          "completion_tokens": 0,
          "cache_read_tokens": 0,
          "cache_write_tokens": 0,
          "reasoning_tokens": 0,
          "context_window": 0,
          "per_turn_token": 0,
          "response_id": ""
        }
      }
    }
  },
  "kind": "ConversationStateUpdateEvent"
}
ConversationStateUpdateEvent
{
  "id": "e064bd5d-1eab-4b73-a1ab-bd72fce6ee8b",
  "timestamp": "2026-10-18T19:53:36.023499",
  "source": "environment",
  "parent_id": "fb31375d-5e43-447e-b66c-91edb8643559",
  "key": "execution_status",
  "value": "error",
  "kind": "ConversationStateUpdateEvent"
}

ConversationErrorEvent

Full event evidence
{
  "id": "476fc2cd-bf93-49d6-b02e-df4e1617020d",
  "timestamp": "2026-10-18T19:53:36.029301",
  "source": "environment",
  "parent_id": "fb31375d-5e43-447e-b66c-91edb8643559",
  "code": "LLMTimeoutError",
  "detail": "litellm.Timeout: LLM hard timeout after 120 seconds",
  "classification": {
    "kind": "transient",
    "retryable": true,
    "user_action": "retry"
  },
  "kind": "ConversationErrorEvent"
}