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{
  "schema_version": "layer2_task_v1",
  "task_id": "calendar_embedded-mantine-T01",
  "canonical_type": "calendar_embedded",
  "family_id": "datetime",
  "library": "mantine",
  "coverage": {
    "human_available": true,
    "human_visual_available": true,
    "realized_available": true,
    "agent_run_count": 4,
    "available_run_uids": [
      "gemini__gemini-3.1-flash-lite__browsergym__ax_tree",
      "gemini__gemini-3.1-flash-lite__browsergym__som",
      "gemini__gemini-3.1-flash-lite__browsergym__pixel",
      "gemini__gemini-3.1-flash-lite__browser_use__browser_use"
    ]
  },
  "task_level_judgment": {
    "overall_diagnostic_value": "low",
    "benchmark_issue_suspected": false,
    "benchmark_issue_note": "The instruction, visual target, and success trigger appear aligned; human and all agent modes completed the task.",
    "cross_run_summary": "This task was solved cleanly in every provided run. The three browsergym modes matched the human in a single direct click on the day cell for February 5, 2026, while browser_use took a longer but still straightforward path with navigation, wait, click, and explicit done. No run shows confusion about the calendar idiom, target location, or post-click state.",
    "primary_task_story": "The task is a low-difficulty check of whether agents can ground a simple date-selection instruction onto a visible embedded calendar when the correct month is already open. Its diagnostic value comes mainly from comparing observation modes: all of them were sufficient for direct date targeting, suggesting the component exposes the day cell clearly in DOM, accessibility tree, and pixels.",
    "keep_revise_expand_retire_hint": "retire",
    "keep_revise_reason": "Because all modes and frameworks succeeded immediately or near-immediately, the task offers little separation on grounding or interaction competence beyond confirming basic calendar clicking.",
    "confidence": "high",
    "uncertainty_note": "The packet includes only successful runs and contact sheets, so conclusions are limited to success behavior rather than failure recovery."
  },
  "cross_run_analysis": {
    "dominant_failure_family": "none",
    "secondary_failure_families": [],
    "likely_grounding_limited": false,
    "likely_skill_fixable": false,
    "likely_recovery_limited": false,
    "why": "There is no recurring failure pattern to explain. The target date was already visible in the initially loaded February 2026 grid, the instruction exactly matched the UI copy, and the completion signal appeared immediately after selecting the correct day. Across ax_tree, som, and pixel, the agent could identify and click the same date cell in one step; browser_use only added framework overhead before making the same effective selection.",
    "evidence_run_uids": [
      "gemini__gemini-3.1-flash-lite__browsergym__ax_tree",
      "gemini__gemini-3.1-flash-lite__browsergym__som",
      "gemini__gemini-3.1-flash-lite__browsergym__pixel",
      "gemini__gemini-3.1-flash-lite__browser_use__browser_use"
    ],
    "evidence_step_refs": [
      "gemini__gemini-3.1-flash-lite__browsergym__ax_tree#step0",
      "gemini__gemini-3.1-flash-lite__browsergym__som#step0",
      "gemini__gemini-3.1-flash-lite__browsergym__pixel#step0",
      "gemini__gemini-3.1-flash-lite__browser_use__browser_use#step2"
    ]
  },
  "run_observations": [
    {
      "run_uid": "gemini__gemini-3.1-flash-lite__browsergym__ax_tree",
      "model_family": "gemini",
      "model_name": "gemini/gemini-3.1-flash-lite",
      "framework": "browsergym",
      "mode": "ax_tree",
      "success": true,
      "primary_failure_family": "none",
      "secondary_failure_tags": [],
      "human_vs_agent_difference": "The agent matched the human at the macro level: one direct click on the correct date cell, with no extra navigation or recovery steps.",
      "failure_or_success_narrative": "The ax_tree run identified the already visible February 2026 calendar state and clicked the target day in a single step (`click('72')`). The contact sheet shows the selected day and success banner, consistent with a clean one-click solution.",
      "repair_suggestion": "None needed; this mode already solved the task with the same one-step structure as the human.",
      "is_skill_fixable": false,
      "is_grounding_limited": false,
      "is_benchmark_issue": false,
      "first_divergence_human_step": null,
      "first_divergence_agent_step": null,
      "evidence_step_ids": [
        0
      ],
      "evidence_image_paths": [],
      "confidence": "high",
      "uncertainty_note": ""
    },
    {
      "run_uid": "gemini__gemini-3.1-flash-lite__browsergym__som",
      "model_family": "gemini",
      "model_name": "gemini/gemini-3.1-flash-lite",
      "framework": "browsergym",
      "mode": "som",
      "success": true,
      "primary_failure_family": "none",
      "secondary_failure_tags": [],
      "human_vs_agent_difference": "The agent again followed the human reference closely by selecting the visible February 5 cell immediately without any detour or state confusion.",
      "failure_or_success_narrative": "The som run completed in one click (`click('67')`). The before/after contact sheet shows the same calendar view and then the selected date with a success banner, indicating accurate target acquisition from the structured observation.",
      "repair_suggestion": "None needed; the salient-marked representation was sufficient for direct date selection.",
      "is_skill_fixable": false,
      "is_grounding_limited": false,
      "is_benchmark_issue": false,
      "first_divergence_human_step": null,
      "first_divergence_agent_step": null,
      "evidence_step_ids": [
        0
      ],
      "evidence_image_paths": [],
      "confidence": "high",
      "uncertainty_note": ""
    },
    {
      "run_uid": "gemini__gemini-3.1-flash-lite__browsergym__pixel",
      "model_family": "gemini",
      "model_name": "gemini/gemini-3.1-flash-lite",
      "framework": "browsergym",
      "mode": "pixel",
      "success": true,
      "primary_failure_family": "none",
      "secondary_failure_tags": [],
      "human_vs_agent_difference": "The agent was slightly less directly comparable because it used screen coordinates, but behaviorally it still matched the human with a single correct date click.",
      "failure_or_success_narrative": "The pixel run used one coordinate click (`mouse_click(599, 338)`) on the visible day 5 cell. The contact sheet shows the calendar before and after, with February 5 highlighted and the success banner present, so pixel grounding was not a problem here.",
      "repair_suggestion": "None needed; the clickable cell is visually distinct enough for reliable pixel-based selection.",
      "is_skill_fixable": false,
      "is_grounding_limited": false,
      "is_benchmark_issue": false,
      "first_divergence_human_step": null,
      "first_divergence_agent_step": null,
      "evidence_step_ids": [
        0
      ],
      "evidence_image_paths": [],
      "confidence": "high",
      "uncertainty_note": ""
    },
    {
      "run_uid": "gemini__gemini-3.1-flash-lite__browser_use__browser_use",
      "model_family": "gemini",
      "model_name": "gemini/gemini-3.1-flash-lite",
      "framework": "browser_use",
      "mode": "browser_use",
      "success": true,
      "primary_failure_family": "none",
      "secondary_failure_tags": [],
      "human_vs_agent_difference": "Unlike the human's single click, browser_use first navigated to the task URL and waited for load, then clicked the date and explicitly declared completion.",
      "failure_or_success_narrative": "This run succeeded after framework overhead rather than any task difficulty. It navigated, waited for the page to render, clicked the correct date element at step 2, and then called done after the success banner appeared. The extra steps reflect execution setup, not confusion about the component.",
      "repair_suggestion": "No repair is required for task competence; only framework-level efficiency could be improved by reducing unnecessary wait/setup time.",
      "is_skill_fixable": false,
      "is_grounding_limited": false,
      "is_benchmark_issue": false,
      "first_divergence_human_step": 0,
      "first_divergence_agent_step": 0,
      "evidence_step_ids": [
        0,
        1,
        2,
        3
      ],
      "evidence_image_paths": [],
      "confidence": "high",
      "uncertainty_note": ""
    }
  ],
  "interesting_observation": "Despite replay-measured semantic observability being rated relatively high, this did not translate into failures because the target month was preloaded and there was only one calendar instance, so all observation modes could act directly.",
  "paper_useful_quote": "In this Mantine embedded-calendar task, all four agent configurations selected the pre-visible target date successfully, indicating that when month navigation is removed, date picking becomes a nearly pure one-step grounding problem."
}