{
  "cases": [
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: check.checkbox through the agent-browser tool API. It passes when `agent-browser check #checkbox` succeeds; the saved value `v` equals `true`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "true",
              "kind": "saved_equals",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "check",
                "#checkbox"
              ]
            },
            {
              "eval": "document.querySelector('#checkbox').checked",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.check.checkbox"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_check_checkbox",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: check.checkbox"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: click.viaCss through the agent-browser tool API. It passes when `agent-browser click #inc` succeeds; the saved value `n` equals `1`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "1",
              "kind": "saved_equals",
              "name": "n"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "click",
                "#inc"
              ]
            },
            {
              "eval": "document.querySelector('#count').textContent",
              "save_as": "n"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.click.css_selector"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_click_viacss",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: click.viaCss"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: click.viaRef through the agent-browser tool API. It passes when `agent-browser click {ref:role=button,name=Increment}` succeeds; the saved value `n` equals `1`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 2
            },
            {
              "expected": "1",
              "kind": "saved_equals",
              "name": "n"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "snapshot"
              ]
            },
            {
              "ab": [
                "click",
                "{ref:role=button,name=Increment}"
              ]
            },
            {
              "eval": "document.querySelector('#count').textContent",
              "save_as": "n"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.click.ref"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_click_viaref",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: click.viaRef"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: console.logs through the agent-browser tool API. It passes when `agent-browser console` succeeds; `agent-browser console` returns data containing `fixture-console-ready`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "fixture-console-ready",
              "kind": "ab_data_contains",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "console"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.console.logs"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_console_logs",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: console.logs"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: cookies.roundtrip through the agent-browser tool API. It passes when `agent-browser cookies get` succeeds; `agent-browser cookies get` returns data containing `val42`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 2
            },
            {
              "expected": "val42",
              "kind": "ab_data_contains",
              "step": 2
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "cookies",
                "set",
                "probe",
                "val42"
              ]
            },
            {
              "ab": [
                "cookies",
                "get"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.cookies.roundtrip"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_cookies_roundtrip",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: cookies.roundtrip"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: dblclick through the agent-browser tool API. It passes when `agent-browser dblclick #dbl` succeeds; the saved value `n` equals `1`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "1",
              "kind": "saved_equals",
              "name": "n"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "dblclick",
                "#dbl"
              ]
            },
            {
              "eval": "document.querySelector('#dblcount').textContent",
              "save_as": "n"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.dblclick"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_dblclick",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: dblclick"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: errors.pageErrors through the agent-browser tool API. It passes when `agent-browser errors` succeeds; `agent-browser errors` returns data containing `intentional-page-error`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 3
            },
            {
              "expected": "intentional-page-error",
              "kind": "ab_data_contains",
              "step": 3
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "eval",
                "setTimeout(function(){ throw new Error('intentional-page-error'); }, 0)"
              ]
            },
            {
              "ab": [
                "wait",
                "150"
              ]
            },
            {
              "ab": [
                "errors"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.errors.page_errors"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_errors_pageerrors",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: errors.pageErrors"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: eval.arithmetic through the agent-browser tool API. It passes when the saved value `v` equals `5`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "expected": "5",
              "kind": "saved_equals",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "eval": "2 + 3",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.eval.javascript"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_eval_arithmetic",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: eval.arithmetic"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: eval.async through the agent-browser tool API. It passes when the saved value `v` equals `42`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "expected": "42",
              "kind": "saved_equals",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "eval": "Promise.resolve(42)",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.eval.async"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_eval_async",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: eval.async"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: eval.dom through the agent-browser tool API. It passes when the saved value `v` contains `CDP Core Fixture`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "expected": "CDP Core Fixture",
              "kind": "saved_contains",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "eval": "document.querySelector('#title').textContent",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.eval.dom"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_eval_dom",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: eval.dom"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: eval.json through the agent-browser tool API. It passes when the saved value `v` contains `\"a\":1`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "expected": "\"a\":1",
              "kind": "saved_contains",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "eval": "JSON.stringify({a:1,b:2})",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.eval.json"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_eval_json",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: eval.json"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: eval.mutateDom through the agent-browser tool API. It passes when the saved value `v` contains `mutated-title`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "expected": "mutated-title",
              "kind": "saved_contains",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "eval",
                "document.querySelector('#title').textContent = 'mutated-title'"
              ]
            },
            {
              "eval": "document.querySelector('#title').textContent",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.eval.dom_mutation"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_eval_mutatedom",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: eval.mutateDom"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: eval.throws through the agent-browser tool API. It passes when `agent-browser eval throw new Error('intentional-eval-error')` reports the expected command failure. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_fails",
              "step": 0
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "eval",
                "throw new Error('intentional-eval-error')"
              ],
              "ignore_error": true
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.eval.exception"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_eval_throws",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: eval.throws"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: fill.input through the agent-browser tool API. It passes when `agent-browser fill #field world` succeeds; the saved value `v` contains `world`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "world",
              "kind": "saved_contains",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "fill",
                "#field",
                "world"
              ]
            },
            {
              "eval": "document.querySelector('#field').value",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.fill.input"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_fill_input",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: fill.input"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: find.placeholder through the agent-browser tool API. It passes when `agent-browser find placeholder type here fill via-placeholder` succeeds; the saved value `v` contains `via-placeholder`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "via-placeholder",
              "kind": "saved_contains",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "find",
                "placeholder",
                "type here",
                "fill",
                "via-placeholder"
              ]
            },
            {
              "eval": "document.querySelector('#field').value",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.find.placeholder"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_find_placeholder",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: find.placeholder"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: find.role through the agent-browser tool API. It passes when `agent-browser find role button click` succeeds; the saved value `n` equals `1`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "1",
              "kind": "saved_equals",
              "name": "n"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "find",
                "role",
                "button",
                "click"
              ]
            },
            {
              "eval": "document.querySelector('#count').textContent",
              "save_as": "n"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.find.role"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_find_role",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: find.role"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: find.text through the agent-browser tool API. It passes when `agent-browser find text Increment click` succeeds; the saved value `n` equals `1`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "1",
              "kind": "saved_equals",
              "name": "n"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "find",
                "text",
                "Increment",
                "click"
              ]
            },
            {
              "eval": "document.querySelector('#count').textContent",
              "save_as": "n"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.find.text"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_find_text",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: find.text"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: focus through the agent-browser tool API. It passes when `agent-browser focus #field` succeeds; the saved value `v` contains `field`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "field",
              "kind": "saved_contains",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "focus",
                "#field"
              ]
            },
            {
              "eval": "document.activeElement && document.activeElement.id",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.focus"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_focus",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: focus"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: get.attr through the agent-browser tool API. It passes when `agent-browser get attr #pixel alt` succeeds; `agent-browser get attr #pixel alt` returns data containing `pixel`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "pixel",
              "kind": "ab_data_contains",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "get",
                "attr",
                "#pixel",
                "alt"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.get.attr"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_get_attr",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: get.attr"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: get.box through the agent-browser tool API. It passes when `agent-browser get box #title` succeeds; `agent-browser get box #title` returns data containing `width`; `agent-browser get box #title` returns data that does not contain `\"width\":0`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "width",
              "kind": "ab_data_contains",
              "step": 1
            },
            {
              "expected": "\"width\":0",
              "kind": "ab_data_not_contains",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "get",
                "box",
                "#title"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.get.box"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_get_box",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: get.box"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: get.cdpUrl through the agent-browser tool API. It passes when `agent-browser get cdp-url` succeeds; `agent-browser get cdp-url` returns data containing `ws`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 0
            },
            {
              "expected": "ws",
              "kind": "ab_data_contains",
              "step": 0
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "get",
                "cdp-url"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.get.cdp_url"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_get_cdpurl",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: get.cdpUrl"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: get.count through the agent-browser tool API. It passes when `agent-browser get count p.para` succeeds; `agent-browser get count p.para` returns data containing `2`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "2",
              "kind": "ab_data_contains",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "get",
                "count",
                "p.para"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.get.count"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_get_count",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: get.count"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: get.html through the agent-browser tool API. It passes when `agent-browser get html #title` succeeds; `agent-browser get html #title` returns data containing `CDP Core Fixture`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "CDP Core Fixture",
              "kind": "ab_data_contains",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "get",
                "html",
                "#title"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.get.html"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_get_html",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: get.html"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: get.styles through the agent-browser tool API. It passes when `agent-browser get styles #title` succeeds. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "get",
                "styles",
                "#title"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.get.styles"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_get_styles",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: get.styles"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: get.text through the agent-browser tool API. It passes when `agent-browser get text #title` succeeds; `agent-browser get text #title` returns data containing `CDP Core Fixture`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "CDP Core Fixture",
              "kind": "ab_data_contains",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "get",
                "text",
                "#title"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.get.text"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_get_text",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: get.text"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: get.title through the agent-browser tool API. It passes when `agent-browser get title` succeeds; `agent-browser get title` returns data containing `CDP Core Fixture`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "CDP Core Fixture",
              "kind": "ab_data_contains",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "get",
                "title"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.get.title"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_get_title",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: get.title"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: get.url through the agent-browser tool API. It passes when `agent-browser get url` succeeds; `agent-browser get url` returns data containing `{fixture_host}`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "{fixture_host}",
              "kind": "ab_data_contains",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "get",
                "url"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.get.url"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_get_url",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: get.url"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: get.value through the agent-browser tool API. It passes when `agent-browser get value #field` succeeds; `agent-browser get value #field` returns data containing `value-probe`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 2
            },
            {
              "expected": "value-probe",
              "kind": "ab_data_contains",
              "step": 2
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "fill",
                "#field",
                "value-probe"
              ]
            },
            {
              "ab": [
                "get",
                "value",
                "#field"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.get.value"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_get_value",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: get.value"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: hover through the agent-browser tool API. It passes when `agent-browser hover #hovertarget` succeeds; the saved value `v` contains `hover-active`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "hover-active",
              "kind": "saved_contains",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "hover",
                "#hovertarget"
              ]
            },
            {
              "eval": "document.querySelector('#hovertarget').textContent",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.hover"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_hover",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: hover"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: is.checked through the agent-browser tool API. It passes when the final agent-browser command succeeds. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "last_ab_ok"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "is",
                "checked",
                "#checkbox"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.is.checked"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_is_checked",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: is.checked"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: is.enabled through the agent-browser tool API. It passes when the final agent-browser command succeeds. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "last_ab_ok"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "is",
                "enabled",
                "#field"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.is.enabled"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_is_enabled",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: is.enabled"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: is.visible through the agent-browser tool API. It passes when the final agent-browser command succeeds. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "last_ab_ok"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "is",
                "visible",
                "#title"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.is.visible"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_is_visible",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: is.visible"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: keyboard.type through the agent-browser tool API. It passes when `agent-browser keyboard type kbd` succeeds; the saved value `v` contains `kbd`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 2
            },
            {
              "expected": "kbd",
              "kind": "saved_contains",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "focus",
                "#field"
              ]
            },
            {
              "ab": [
                "keyboard",
                "type",
                "kbd"
              ]
            },
            {
              "eval": "document.querySelector('#field').value",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.keyboard.type"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_keyboard_type",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: keyboard.type"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: nav.back through the agent-browser tool API. It passes when `agent-browser back` succeeds; `agent-browser get title` succeeds; `agent-browser get title` returns data containing `CDP Core Fixture`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 2
            },
            {
              "kind": "ab_ok",
              "step": 4
            },
            {
              "expected": "CDP Core Fixture",
              "kind": "ab_data_contains",
              "step": 4
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "open",
                "{fixture_origin}/page2"
              ]
            },
            {
              "ab": [
                "back"
              ]
            },
            {
              "ab": [
                "wait",
                "150"
              ]
            },
            {
              "ab": [
                "get",
                "title"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.nav.back"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_nav_back",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: nav.back"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: nav.clickLink through the agent-browser tool API. It passes when `agent-browser click {ref:role=link}` succeeds; `agent-browser get title` returns data containing `Page Two`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 2
            },
            {
              "expected": "Page Two",
              "kind": "ab_data_contains",
              "step": 4
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "snapshot"
              ]
            },
            {
              "ab": [
                "click",
                "{ref:role=link}"
              ]
            },
            {
              "ab": [
                "wait",
                "300"
              ]
            },
            {
              "ab": [
                "get",
                "title"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.nav.clicklink"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_nav_clicklink",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: nav.clickLink"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: nav.forward through the agent-browser tool API. It passes when `agent-browser forward` succeeds; `agent-browser get title` returns data containing `Page Two`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 4
            },
            {
              "expected": "Page Two",
              "kind": "ab_data_contains",
              "step": 6
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "open",
                "{fixture_origin}/page2"
              ]
            },
            {
              "ab": [
                "back"
              ]
            },
            {
              "ab": [
                "wait",
                "100"
              ]
            },
            {
              "ab": [
                "forward"
              ]
            },
            {
              "ab": [
                "wait",
                "100"
              ]
            },
            {
              "ab": [
                "get",
                "title"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.nav.forward"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_nav_forward",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: nav.forward"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: nav.reload through the agent-browser tool API. It passes when `agent-browser reload` succeeds; `agent-browser get title` returns data containing `CDP Core Fixture`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "CDP Core Fixture",
              "kind": "ab_data_contains",
              "step": 3
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "reload"
              ]
            },
            {
              "ab": [
                "wait",
                "100"
              ]
            },
            {
              "ab": [
                "get",
                "title"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.nav.reload"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_nav_reload",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: nav.reload"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: network.requests through the agent-browser tool API. It passes when `agent-browser network requests` succeeds; `agent-browser network requests` returns at least 1 item(s) at `requests`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "kind": "ab_data_array_min_len",
              "min": 1,
              "path": "requests",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "network",
                "requests"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.network.requests"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_network_requests",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: network.requests"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: open through the agent-browser tool API. It passes when `agent-browser open {fixture_url}` succeeds; at least one of these holds: `agent-browser open {fixture_url}` returns data containing `CDP Core Fixture` or `agent-browser open {fixture_url}` returns data containing `{fixture_host}`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 0
            },
            {
              "checks": [
                {
                  "expected": "CDP Core Fixture",
                  "kind": "ab_data_contains",
                  "step": 0
                },
                {
                  "expected": "{fixture_host}",
                  "kind": "ab_data_contains",
                  "step": 0
                }
              ],
              "kind": "any_of"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.open"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_open",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: open"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: press.key through the agent-browser tool API. It passes when `agent-browser press Backspace` succeeds; the saved value `v` equals `ab`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 3
            },
            {
              "expected": "ab",
              "kind": "saved_equals",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "focus",
                "#field"
              ]
            },
            {
              "ab": [
                "keyboard",
                "type",
                "abc"
              ]
            },
            {
              "ab": [
                "press",
                "Backspace"
              ]
            },
            {
              "eval": "document.querySelector('#field').value",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.press.key"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_press_key",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: press.key"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: read through the agent-browser tool API. It passes when `agent-browser read` succeeds; `agent-browser read` returns data containing `CDP Core Fixture`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "CDP Core Fixture",
              "kind": "ab_data_contains",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "read"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.read"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "purpose.deprecated_api",
        "version.v0_1"
      ],
      "task_id": "ab_main_read",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: read"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: read.url through the agent-browser tool API. It passes when `agent-browser read {fixture_origin}/page2` succeeds; `agent-browser read {fixture_origin}/page2` returns data containing `Page Two`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 0
            },
            {
              "expected": "Page Two",
              "kind": "ab_data_contains",
              "step": 0
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "read",
                "{fixture_origin}/page2"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.read.url"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "purpose.deprecated_api",
        "version.v0_1"
      ],
      "task_id": "ab_main_read_url",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: read.url"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: scroll.down through the agent-browser tool API. It passes when `agent-browser scroll down 500` succeeds; the saved value `v` equals `true`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "true",
              "kind": "saved_equals",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "scroll",
                "down",
                "500"
              ]
            },
            {
              "eval": "window.scrollY > 0",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.scroll.down"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_scroll_down",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: scroll.down"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: scrollintoview through the agent-browser tool API. It passes when `agent-browser scrollintoview #bottom` succeeds; the saved value `v` equals `true`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "true",
              "kind": "saved_equals",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "scrollintoview",
                "#bottom"
              ]
            },
            {
              "eval": "window.scrollY > 0",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.scrollintoview"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_scrollintoview",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: scrollintoview"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: select.dropdown through the agent-browser tool API. It passes when `agent-browser select #dropdown b` succeeds; the saved value `v` equals `b`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "b",
              "kind": "saved_equals",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "select",
                "#dropdown",
                "b"
              ]
            },
            {
              "eval": "document.querySelector('#dropdown').value",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.select.dropdown"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_select_dropdown",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: select.dropdown"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: snapshot through the agent-browser tool API. It passes when `agent-browser snapshot` succeeds; `agent-browser snapshot` returns data containing `CDP Core Fixture`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "CDP Core Fixture",
              "kind": "ab_data_contains",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "snapshot"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.snapshot"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_snapshot",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: snapshot"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: snapshot.interactive through the agent-browser tool API. It passes when `agent-browser snapshot -i` succeeds; `agent-browser snapshot -i` returns at least one element reference. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "kind": "ab_refs_nonempty",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "snapshot",
                "-i"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.snapshot.interactive"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_snapshot_interactive",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: snapshot.interactive"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: snapshot.scoped through the agent-browser tool API. It passes when `agent-browser snapshot -s #dropdown` succeeds; `agent-browser snapshot -s #dropdown` returns at least one element reference. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "kind": "ab_refs_nonempty",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "snapshot",
                "-s",
                "#dropdown"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.snapshot.scoped"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_snapshot_scoped",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: snapshot.scoped"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: storage.localRoundtrip through the agent-browser tool API. It passes when `agent-browser storage local get k` succeeds; `agent-browser storage local get k` returns data containing `sval99`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 2
            },
            {
              "expected": "sval99",
              "kind": "ab_data_contains",
              "step": 2
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "storage",
                "local",
                "set",
                "k",
                "sval99"
              ]
            },
            {
              "ab": [
                "storage",
                "local",
                "get",
                "k"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.storage.local"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_storage_localroundtrip",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: storage.localRoundtrip"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: tab.list through the agent-browser tool API. It passes when `agent-browser tab list` succeeds; `agent-browser tab list` returns at least 1 item(s) at `tabs`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 0
            },
            {
              "kind": "ab_data_array_min_len",
              "min": 1,
              "path": "tabs",
              "step": 0
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "tab",
                "list"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.tab.list"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_tab_list",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: tab.list"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: tab.newClose through the agent-browser tool API. It passes when `agent-browser tab new` succeeds; `agent-browser tab close` succeeds; `agent-browser tab list` returns at least 2 item(s) at `tabs`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 0
            },
            {
              "kind": "ab_ok",
              "step": 2
            },
            {
              "kind": "ab_data_array_min_len",
              "min": 2,
              "path": "tabs",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "tab",
                "new"
              ]
            },
            {
              "ab": [
                "tab",
                "list"
              ]
            },
            {
              "ab": [
                "tab",
                "close"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.tab.new_close"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_tab_newclose",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: tab.newClose"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: type.intoInput through the agent-browser tool API. It passes when `agent-browser type #field hello` succeeds; the saved value `v` contains `hello`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "hello",
              "kind": "saved_contains",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "type",
                "#field",
                "hello"
              ]
            },
            {
              "eval": "document.querySelector('#field').value",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.type.input"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_type_intoinput",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: type.intoInput"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: uncheck.checkbox through the agent-browser tool API. It passes when `agent-browser uncheck #checkbox` succeeds; the saved value `v` equals `false`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 2
            },
            {
              "expected": "false",
              "kind": "saved_equals",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "check",
                "#checkbox"
              ]
            },
            {
              "ab": [
                "uncheck",
                "#checkbox"
              ]
            },
            {
              "eval": "document.querySelector('#checkbox').checked",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.uncheck.checkbox"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_uncheck_checkbox",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: uncheck.checkbox"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: wait.ms through the agent-browser tool API. It passes when the final agent-browser command succeeds. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "last_ab_ok"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "wait",
                "50"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.wait.ms"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_wait_ms",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: wait.ms"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser main: wait.selector through the agent-browser tool API. It passes when the final agent-browser command succeeds. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "last_ab_ok"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "wait",
                "#title"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.wait.selector"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/core"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_main_wait_selector",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser main: wait.selector"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: check/uncheck through the agent-browser tool API. It passes when `agent-browser check #cb` succeeds; `agent-browser uncheck #cb` succeeds; the saved value `c1` equals `true`; the saved value `c2` equals `false`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "kind": "ab_ok",
              "step": 3
            },
            {
              "expected": "true",
              "kind": "saved_equals",
              "name": "c1"
            },
            {
              "expected": "false",
              "kind": "saved_equals",
              "name": "c2"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "check",
                "#cb"
              ]
            },
            {
              "eval": "document.querySelector('#cb').checked",
              "save_as": "c1"
            },
            {
              "ab": [
                "uncheck",
                "#cb"
              ]
            },
            {
              "eval": "document.querySelector('#cb').checked",
              "save_as": "c2"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.check.uncheck"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_check_uncheck",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: check/uncheck"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: click through the agent-browser tool API. It passes when `agent-browser click #inc` succeeds; the saved value `n` equals `1`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "1",
              "kind": "saved_equals",
              "name": "n"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "click",
                "#inc"
              ]
            },
            {
              "eval": "document.querySelector('#count').textContent",
              "save_as": "n"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.click"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_click",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: click"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: console through the agent-browser tool API. It passes when `agent-browser console` succeeds; `agent-browser console` returns data containing `probe-console-ready`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "probe-console-ready",
              "kind": "ab_data_contains",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "console"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.console"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_console",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: console"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: cookies get through the agent-browser tool API. It passes when `agent-browser cookies get` succeeds; `agent-browser cookies get` returns at least 0 item(s) at `cookies`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "kind": "ab_data_array_min_len",
              "min": 0,
              "path": "cookies",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "cookies",
                "get"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.cookies.get"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_cookies_get",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: cookies get"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: dialog accept through the agent-browser tool API. It passes when `agent-browser dialog accept` succeeds; the saved value `r` equals `true`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 3
            },
            {
              "expected": "true",
              "kind": "saved_equals",
              "name": "r"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "eval",
                "window.__r = undefined"
              ]
            },
            {
              "ab": [
                "click",
                "#cfm"
              ]
            },
            {
              "ab": [
                "dialog",
                "accept"
              ]
            },
            {
              "ab": [
                "wait",
                "100"
              ]
            },
            {
              "eval": "window.__r",
              "save_as": "r"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.dialog.accept"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_dialog_accept",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: dialog accept"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: dialog click (detect) through the agent-browser tool API. It passes when `agent-browser click #cfm` succeeds; at least one of these holds: `agent-browser click #cfm` returns data containing `\"dialogOpened\":true` or `agent-browser dialog status` returns data containing `\"hasDialog\":true`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "checks": [
                {
                  "expected": "\"dialogOpened\":true",
                  "kind": "ab_data_contains",
                  "step": 1
                },
                {
                  "expected": "\"hasDialog\":true",
                  "kind": "ab_data_contains",
                  "step": 2
                }
              ],
              "kind": "any_of"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "click",
                "#cfm"
              ]
            },
            {
              "ab": [
                "dialog",
                "status"
              ]
            },
            {
              "ab": [
                "dialog",
                "dismiss"
              ],
              "ignore_error": true
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.dialog.detect"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_dialog_click_detect",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: dialog click (detect)"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: download through the agent-browser tool API. It passes when the final agent-browser command succeeds; the artifact `{artifact_dir}/dl.txt` exists and is non-empty. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "last_ab_ok"
            },
            {
              "kind": "file_nonempty",
              "path": "{artifact_dir}/dl.txt"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "download",
                "#dl",
                "{artifact_dir}/dl.txt"
              ],
              "timeout_ms": 15000
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.download"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_download",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: download"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: eval through the agent-browser tool API. It passes when the saved value `v` equals `42`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "expected": "42",
              "kind": "saved_equals",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "eval": "6*7",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.eval"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_eval",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: eval"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: eval_fetch through the agent-browser tool API. It passes when the saved value `v` equals `true`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "expected": "true",
              "kind": "saved_equals",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "eval": "(async()=>{const x=await fetch('{fixture_origin}/page2');return (await x.text()).includes('Page Two')})()",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.eval.fetch"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_eval_fetch",
      "task_version": 2,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: eval_fetch"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: fill through the agent-browser tool API. It passes when `agent-browser fill #field FILLED` succeeds; the saved value `v` contains `FILLED`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "FILLED",
              "kind": "saved_contains",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "fill",
                "#field",
                "FILLED"
              ]
            },
            {
              "eval": "document.querySelector('#field').value",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.fill"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_fill",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: fill"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: network har through the agent-browser tool API. It passes when `agent-browser network har start {artifact_dir}/cap.har` succeeds; `agent-browser network har stop {artifact_dir}/cap.har` succeeds; the artifact `{artifact_dir}/cap.har` exists and is non-empty. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 0
            },
            {
              "kind": "ab_ok",
              "step": 3
            },
            {
              "kind": "file_nonempty",
              "path": "{artifact_dir}/cap.har"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "network",
                "har",
                "start",
                "{artifact_dir}/cap.har"
              ]
            },
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "wait",
                "200"
              ]
            },
            {
              "ab": [
                "network",
                "har",
                "stop",
                "{artifact_dir}/cap.har"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.network.har"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_network_har",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: network har"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: network requests through the agent-browser tool API. It passes when `agent-browser network requests` succeeds; `agent-browser network requests` returns at least 1 item(s) at `requests`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "kind": "ab_data_array_min_len",
              "min": 1,
              "path": "requests",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "network",
                "requests"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.network.requests"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_network_requests",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: network requests"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: network route through the agent-browser tool API. It passes when `agent-browser network route **/app.js --abort` succeeds; the saved value `blocked` equals `true`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 0
            },
            {
              "expected": "true",
              "kind": "saved_equals",
              "name": "blocked"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "network",
                "route",
                "**/app.js",
                "--abort"
              ]
            },
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "wait",
                "200"
              ]
            },
            {
              "eval": "window.__scriptLoaded === undefined || window.__scriptLoaded === null",
              "save_as": "blocked"
            },
            {
              "ab": [
                "network",
                "unroute"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.network.route"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_network_route",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: network route"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: open through the agent-browser tool API. It passes when `agent-browser open {fixture_url}` succeeds; `agent-browser open {fixture_url}` returns data containing `Probe`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 0
            },
            {
              "expected": "Probe",
              "kind": "ab_data_contains",
              "step": 0
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.open"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_open",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: open"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: profiler start through the agent-browser tool API. It passes when `agent-browser profiler start` succeeds; `agent-browser profiler stop {artifact_dir}/prof.json` succeeds; the artifact `{artifact_dir}/prof.json` exists and is non-empty. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 0
            },
            {
              "kind": "ab_ok",
              "step": 3
            },
            {
              "kind": "file_nonempty",
              "path": "{artifact_dir}/prof.json"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "profiler",
                "start"
              ]
            },
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "wait",
                "150"
              ]
            },
            {
              "ab": [
                "profiler",
                "stop",
                "{artifact_dir}/prof.json"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.profiler.start"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_profiler_start",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: profiler start"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: select through the agent-browser tool API. It passes when `agent-browser select #dropdown b` succeeds; the saved value `v` equals `b`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "b",
              "kind": "saved_equals",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "select",
                "#dropdown",
                "b"
              ]
            },
            {
              "eval": "document.querySelector('#dropdown').value",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.select"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_select",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: select"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: set media through the agent-browser tool API. It passes when `agent-browser set media dark` succeeds; the saved value `d` equals `true`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "true",
              "kind": "saved_equals",
              "name": "d"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "set",
                "media",
                "dark"
              ]
            },
            {
              "eval": "window.matchMedia('(prefers-color-scheme: dark)').matches",
              "save_as": "d"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.set.media"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_set_media",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: set media"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: set viewport through the agent-browser tool API. It passes when `agent-browser set viewport 800 600` succeeds; the saved value `w` equals `800`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "800",
              "kind": "saved_equals",
              "name": "w"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "set",
                "viewport",
                "800",
                "600"
              ]
            },
            {
              "eval": "window.innerWidth",
              "save_as": "w"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.set.viewport"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_set_viewport",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: set viewport"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: snapshot -i through the agent-browser tool API. It passes when `agent-browser snapshot -i` succeeds; `agent-browser snapshot -i` returns at least one element reference. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "kind": "ab_refs_nonempty",
              "step": 1
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "snapshot",
                "-i"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.snapshot.interactive"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_snapshot_i",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: snapshot -i"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: storage local/session through the agent-browser tool API. It passes when `agent-browser storage local get lk` succeeds; `agent-browser storage local get lk` returns data containing `lval`; `agent-browser storage session get sk` succeeds; `agent-browser storage session get sk` returns data containing `sval`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 2
            },
            {
              "expected": "lval",
              "kind": "ab_data_contains",
              "step": 2
            },
            {
              "kind": "ab_ok",
              "step": 4
            },
            {
              "expected": "sval",
              "kind": "ab_data_contains",
              "step": 4
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "storage",
                "local",
                "set",
                "lk",
                "lval"
              ]
            },
            {
              "ab": [
                "storage",
                "local",
                "get",
                "lk"
              ]
            },
            {
              "ab": [
                "storage",
                "session",
                "set",
                "sk",
                "sval"
              ]
            },
            {
              "ab": [
                "storage",
                "session",
                "get",
                "sk"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.storage.local.session"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_storage_local_session",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: storage local/session"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: tab new through the agent-browser tool API. It passes when `agent-browser tab new` succeeds. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 0
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "tab",
                "new"
              ]
            },
            {
              "ab": [
                "tab",
                "close"
              ],
              "ignore_error": true
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.tab.new"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_tab_new",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: tab new"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: trace start through the agent-browser tool API. It passes when `agent-browser trace start` succeeds; `agent-browser trace stop {artifact_dir}/trace.json` succeeds; the artifact `{artifact_dir}/trace.json` exists and is non-empty. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 0
            },
            {
              "kind": "ab_ok",
              "step": 3
            },
            {
              "kind": "file_nonempty",
              "path": "{artifact_dir}/trace.json"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "trace",
                "start"
              ]
            },
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "wait",
                "150"
              ]
            },
            {
              "ab": [
                "trace",
                "stop",
                "{artifact_dir}/trace.json"
              ]
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.trace.start"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_trace_start",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: trace start"
    },
    {
      "artifact_profile": "l1_standard",
      "description": "Exercises agent-browser probe_list: upload through the agent-browser tool API. It passes when `agent-browser upload #file {tmp_file:up.txt:x}` succeeds; the saved value `v` contains `up.txt`. Only these declared checks affect the verdict.",
      "driver": {
        "connect_env": "BROWSER_WS",
        "env": {
          "AB_CHECKS": [
            {
              "kind": "ab_ok",
              "step": 1
            },
            {
              "expected": "up.txt",
              "kind": "saved_contains",
              "name": "v"
            }
          ],
          "AB_STEPS": [
            {
              "ab": [
                "open",
                "{fixture_url}"
              ]
            },
            {
              "ab": [
                "upload",
                "#file",
                "{tmp_file:up.txt:x}"
              ]
            },
            {
              "eval": "document.querySelector('#file').files[0] && document.querySelector('#file').files[0].name",
              "save_as": "v"
            }
          ]
        },
        "kind": "node_cdp_probe",
        "script": "runner/scripts/l1_ab_probe.js"
      },
      "features": [
        "tool.agent_browser.upload.file"
      ],
      "grader": {
        "checks": [
          "script_reported"
        ],
        "kind": "inline_assertions"
      },
      "layer": "L1",
      "scene": {
        "kind": "self_hosted_fixture",
        "url": "/l1/probe"
      },
      "subset_id": "l1.agent_browser_tool",
      "tags": [
        "version.v0_1"
      ],
      "task_id": "ab_probe_upload",
      "task_version": 1,
      "timeouts": {
        "hard_kill_ms": 120000,
        "task_ms": 90000
      },
      "title": "agent-browser probe_list: upload"
    }
  ]
}