{
  "tokens_out": 8917,
  "outcome": "harness_error",
  "suggested_fix": "Inspect the recorded blocker and correct the README prerequisites or harness error.",
  "cycle_checks": null,
  "fault": {
    "owner": null,
    "status": "pending",
    "reason": "an expected operation error cannot prove working behavior: {\"returncode\": 1, \"stdout\": \"Old version parts (before merging): 4\\nNew version parts (before merging): 4\\nREMOVED (old only): 0 -> []\\nADDED   (new only): 0 -> []\\nCANDIDATE (in both, sent to the geometric diff): 4\\n  of which instance count differs (a difference in itself): 0 -> []\\nWrote: /tmp/caddiff_probe_report/bom_diff.json\\nLoaded old version: 0.0s (11 objects)\\nLoaded new version: 0.0s (11 objects)\\n[1/4] BASEPLATE_01... no change (0.0s)\\n[2/4] BRACKET_03... 1 changes (moved=0), unpaired=[] (0.1s)\\n[3/4] MovedFixture... skipped (assembly container)\\n[4/4] SLIDER_02... 1 changes (moved=1), unpaired=[] (0.0s)\\n\\nTotal candidates: 4\\nGeometric differences: 2\\n  BRACKET_03: 1 change(s)\\n  SLIDER_02: 1 change(s)\\nSkipped parts (1):\\n  MovedFixture: assembly_container\\nWrote: /tmp/caddiff_probe_report/geom_diff.json\\nTraceback (most recent call last):\\n  File \\\"<string>\\\", line 1, in <module>\\n<class 'ModuleNotFoundError'>: No module named 'AttachmentEditor'\\nInitializing GUI...\\nLoading new-version STP...\\n  11 objects\\nLoading old-version STP (to compute diff geometry for color highlighting + render the old-version side-by-side image)...\\n  11 objects\\n\\n[Stage 1/3] Precomputing diff geometry (must run before any visibility change)...\\n  BRACKET_03: symmetric difference V=192.000000mm3 (removed 192.0000 / added 0.0000) 0.0s\\n    1 clusters (removed 1 / added 0), 0 fragments filtered: #1rem V=192.0000\\n  SLIDER_02: moved diff, skipping boolean ops (translation 5.0mm / rotation 0.0\\u00b0)\\n\\n[Stage 2/3] Injecting highlight bodies and old-version proxy objects...\\n  Injected 5 objects\\n\\n[Stage 3/3] Rendering...\\n\\n[1/2] BRACKET_03  [shape_changed]\\n  Rendering overview image (scanning candidate view directions)...\\n    Selected view -1+0-1 (score=0.8000 magenta_in_box=432 components=1 solidity=1.0 body_pct=0.2133 readability=0.8), runner-up +1+0+1\\n  !! WARNING: no font from FONT_CANDIDATES was found; in-image text will render as tofu boxes. Install a CJK font or add this machine's font path to FONT_CANDIDATES.\\n    Overview magenta_px=3566  rects=1\\n  Rendering new-version close-up...\\n    New close-up magenta_px=0  rects=1\\n  Rendering old-version close-up (reusing the new-version camera, view unchanged)...\\n    Old close-up magenta_px=26175\\n\\n[2/2] SLIDER_02  [moved]\\n  Rendering overview image (scanning candidate view directions)...\\n    Overview magenta_px=8091  view=-1+1+1\\n  Rendering new-position close-up...\\n    New-position image magenta_px=202167\\n  Rendering old-position close-up (reusing the new-position camera, view unchanged)...\\n    Old-position image magenta_px=206729\\n\\nRendering complete, 2 screenshot sets\\nManifest: /tmp/caddiff_probe_report/images/render_manifest.json\\n\\n============================================================\\n  [Step 1/5: BOM diff]\\n============================================================\\n  CMD: /workspace/.venv/bin/python3 /workspace/.venv/lib/python3.12/site-packages/caddiff/bom_diff.py /workspace/examples/fixtures/moved_old.stp /workspace/examples/fixtures/moved_new.stp /tmp/caddiff_probe_report/bom_diff.json\\n  OK (0s)\\n\\n============================================================\\n  [Step 2/5: geometric diff]\\n============================================================\\n  CMD: /usr/bin/python3 /workspace/.venv/lib/python3.12/site-packages/caddiff/geom_diff.py /tmp/caddiff_probe_report/bom_diff.json /workspace/examples/fixtures/moved_old.stp /workspace/examples/fixtures/moved_new.stp /tmp/caddiff_probe_report/geom_diff.json --lang en\\n  OK (0s)\\n\\n============================================================\\n  [Step 3/5: render diff images]\\n============================================================\\n  CMD: /usr/bin/python3 /workspace/.venv/lib/python3.12/site-packages/caddiff/render_diff.py /tmp/caddiff_probe_report/geom_diff.json /workspace/examples/fixtures/moved_old.stp /workspace/examples/fixtures/moved_new.stp /tmp/caddiff_probe_report/images --lang en\\n  OK (25s)\\n\\n============================================================\\n  [Step 4/5: report]\\n============================================================\\nReport written: /tmp/caddiff_probe_report/report.html\\nReport written: /tmp/caddiff_probe_report/report.md\\n\\n============================================================\\n  Pipeline finished\\n============================================================\\n  Output dir: /tmp/caddiff_probe_report\\n  Manifest  : /tmp/caddiff_probe_report/diff_manifest.json\\n  Geometry  : 2 difference(s) (shape_changed=1, moved=1)\\n  NOTE: 1 part(s) were not compared \\u2014 see summary.skipped_parts\\n\", \"stderr\": \"\", \"needs_credentials\": false, \"needs_browser\": false}",
    "evidence": []
  },
  "runtime_revision": null,
  "agent_execution": "native_agent",
  "time_to_working_s": null,
  "usage_complete": true,
  "runtime": null,
  "architecture": null,
  "local_or_hosted": "local",
  "agent_interfaces_note": null,
  "platform_details": null,
  "platforms_claimed": null,
  "maintenance": null,
  "evidence_strength": null,
  "purpose": "repair",
  "topic": null,
  "needs_which": null,
  "tested_with": null,
  "native_bundle": "/srv/factory/agent-sandbox-state/evidence/native/sandbox-3b5f58d2769d46db9425099e72cb363a",
  "agent_runtime": "claude-code",
  "maintenance_note": null,
  "runtime_version": null,
  "does_what_it_says": null,
  "commit": "96e0dff158b232ae1e2c27cecca74fdcc915778f",
  "failure_origin": null,
  "stuck_step": "xvfb-run -a /workspace/.venv/bin/caddiff diff /workspace/examples/fixtures/moved_old.stp /workspace/examples/fixtures/moved_new.stp -o /tmp/caddiff_probe_report",
  "repo_url": null,
  "needs": null,
  "checks": [
    {
      "check": "operation",
      "status": "FAIL",
      "details": {
        "working": false,
        "argv": [
          "xvfb-run",
          "-a",
          "/workspace/.venv/bin/caddiff",
          "diff",
          "/workspace/examples/fixtures/moved_old.stp",
          "/workspace/examples/fixtures/moved_new.stp",
          "-o",
          "/tmp/caddiff_probe_report"
        ],
        "kind": "cli",
        "returncode": 1,
        "stdout": "Old version parts (before merging): 4\nNew version parts (before merging): 4\nREMOVED (old only): 0 -> []\nADDED   (new only): 0 -> []\nCANDIDATE (in both, sent to the geometric diff): 4\n  of which instance count differs (a difference in itself): 0 -> []\nWrote: /tmp/caddiff_probe_report/bom_diff.json\nLoaded old version: 0.0s (11 objects)\nLoaded new version: 0.0s (11 objects)\n[1/4] BASEPLATE_01... no change (0.0s)\n[2/4] BRACKET_03... 1 changes (moved=0), unpaired=[] (0.1s)\n[3/4] MovedFixture... skipped (assembly container)\n[excerpt truncated]",
        "stderr": "",
        "needs_credentials": false,
        "needs_browser": false,
        "blocker": "an expected operation error cannot prove working behavior: {\"returncode\": 1, \"stdout\": \"Old version parts (before merging): 4\\nNew version parts (before merging): 4\\nREMOVED (old only): 0 -> []\\nADDED   (new only): 0 -> []\\nCANDIDATE (in both, sent to the geometric diff): 4\\n  of which instance count differs (a difference in itself): 0 -> []\\nWrote: /tmp/caddiff_probe_report/bom_diff.json\\nLoaded old version: 0.0s (11 objects)\\nLoaded new version: 0.0s (11 objects)\\n[1/4] BASEPLATE_01... no change (0.0s)\\n[2/4] BRACKET_03... 1 changes (moved=0), unpaired=[] (0.1s)\\n[3/4] MovedFixture... skipped (assembly container)\\n[4/4] SLIDER_02... 1 changes (moved=1), unpaired=[] (0.0s)\\n\\nTotal candidates: 4\\nGeometric differences: 2\\n  BRACKET_03: 1 change(s)\\n  SLIDER_02: 1 change(s)\\nSkipped parts (1):\\n  MovedFixture: assembly_container\\nWrote: /tmp/caddiff_probe_report/geom_diff.json\\nTraceback (most recent call last):\\n  File \\\"<string>\\\", line 1, in <module>\\n<class 'ModuleNotFoundError'>: No module named 'AttachmentEditor'\\nInitializing GUI...\\nLoading new-version STP...\\n  11 objects\\nLoading old-version STP (to compute diff geometry for color highlighting + render the old-version side-by-side image)...\\n  11 objects\\n\\n[Stage 1/3] Precomputing diff geometry (must run before any visibility change)...\\n  BRACKET_03: symmetric difference V=192.000000mm3 (removed 192.0000 / added 0.0000) 0.0s\\n    1 clusters (removed 1 / added 0), 0 fragments filtered: #1rem V=192.0000\\n  SLIDER_02: moved diff, skipping boolean ops (translation 5.0mm / rotation 0.0\\u00b0)\\n\\n[Stage 2/3] Injecting highlight bodies and old-version proxy objects...\\n  Injected 5 objects\\n\\n[Stage 3/3] Rendering...\\n\\n[1/2] BRACKET_03  [shape_changed]\\n  Rendering overview image (scanning candidate view directions)...\\n    Selected view -1+0-1 (score=0.8000 magenta_in_box=432 components=1 solidity=1.0 body_pct=0.2133 readability=0.8), runner-up +1+0+1\\n  !! WARNING: no font from FONT_CANDIDATES was found; in-image text will render as tofu boxes. Install a CJK font or add this machine's font path to FONT_CANDIDATES.\\n    Overview magenta_px=3566  rects=1\\n  Rendering new-version close-up...\\n    New close-up magenta_px=0  rects=1\\n  Rendering old-version close-up (reusing the new-version camera, view unchanged)...\\n    Old close-up magenta_px=26175\\n\\n[2/2] SLIDER_02  [moved]\\n  Rendering overview image (scanning candidate view directions)...\\n    Overview magenta_px=8091  view=-1+1+1\\n  Rendering new-position close-up...\\n    New-position image magenta_px=202167\\n  Rendering old-position close-up (reusing the new-position camera, view unchanged)...\\n    Old-position image magenta_px=206729\\n\\nRendering complete, 2 screenshot sets\\nManifest: /tmp/caddiff_probe_report/images/render_manifest.json\\n\\n============================================================\\n  [Step 1/5: BOM diff]\\n============================================================\\n  CMD: /workspace/.venv/bin/python3 /workspace/.venv/lib/python3.12/site-packages/caddiff/bom_diff.py /workspace/examples/fixtures/moved_old.stp /workspace/examples/fixtures/moved_new.stp /tmp/caddiff_probe_report/bom_diff.json\\n  OK (0s)\\n\\n============================================================\\n  [Step 2/5: geometric diff]\\n============================================================\\n  CMD: /usr/bin/python3 /workspace/.venv/lib/python3.12/site-packages/caddiff/geom_diff.py /tmp/caddiff_probe_report/bom_diff.json /workspace/examples/fixtures/moved_old.stp /workspace/examples/fixtures/moved_new.stp /tmp/caddiff_probe_report/geom_diff.json --lang en\\n  OK (0s)\\n\\n============================================================\\n  [Step 3/5: render diff images]\\n============================================================\\n  CMD: /usr/bin/python3 /workspace/.venv/lib/python3.12/site-packages/caddiff/render_diff.py /tmp/caddiff_probe_report/geom_diff.json /workspace/examples/fixtures/moved_old.stp /workspace/examples/fixtures/moved_new.stp /tmp/caddiff_probe_report/images --lang en\\n  OK (25s)\\n\\n============================================================\\n  [Step 4/5: report]\\n============================================================\\nReport written: /tmp/caddiff_probe_report/report.html\\nReport written: /tmp/caddiff_probe_report/report.md\\n\\n============================================================\\n  Pipeline finished\\n============================================================\\n  Output dir: /tmp/caddiff_probe_report\\n  Manifest  : /tmp/caddiff_probe_report/diff_manifest.json\\n  Geometry  : 2 difference(s) (shape_changed=1, moved=1)\\n  NOTE: 1 part(s) were not compared \\u2014 see summary.skipped_parts\\n\", \"stderr\": \"\", \"needs_credentials\": false, \"needs_browser\": false}"
      }
    }
  ],
  "open_issues": null,
  "agent_runtime_version": "2.1.300 (Claude Code)",
  "verifies_run_id": "angel291592--caddiff-claude-haiku-5-5-1792200082296337084",
  "total_s": 624.8247220516205,
  "license": null,
  "tool_calls": 12,
  "model_version": "claude-haiku-5-5",
  "example_checks": [],
  "mcp": null,
  "other_model": null,
  "first_use_s": null,
  "native_tool_calls": 12,
  "last_commit_at": null,
  "source": "https://github.com/angel291592/caddiff",
  "models_agree": null,
  "maintenance_verdict": null,
  "cost_usd": 0.011889989999999998,
  "safety": null,
  "answered_issues": null,
  "what_failed": null,
  "steps": [
    "Read README.md (Quick start > Local install; Linux FreeCAD notes) and docs/pipeline.md Environment constraints",
    "apt-get update; apt-get install -y xvfb xauth (Ubuntu archive)",
    "apt-cache policy freecad: no candidate in Ubuntu noble archive",
    "add-apt-repository -y ppa:freecad-maintainers/freecad-stable; apt-get update; apt-get install -y freecad (0.21.2)",
    "apt-get install -y python3-venv; python3 -m venv /workspace/.venv; .venv/bin/pip install /workspace (caddiff 0.3.7, zero runtime deps)",
    "PYTHONPATH=/usr/lib/freecad/lib /usr/bin/python3 -c 'import FreeCAD, Part' -> FreeCAD 0.21.2 OK",
    "FREECAD_PYTHON=/usr/bin/python3 PYTHONPATH=/usr/lib/freecad/lib xvfb-run -a /workspace/.venv/bin/caddiff diff examples/fixtures/moved_old.stp examples/fixtures/moved_new.stp -o /tmp/caddiff_run_report -> rc=1, 2 differences, report written",
    "Removed build/ and caddiff.egg-info/ created by pip install in /workspace; no product source changed"
  ],
  "platform_conflicts": null,
  "claims_note": null,
  "maintained_note": null,
  "repo": "angel291592/caddiff",
  "service_tier": null,
  "maintained": null,
  "source_pin": null,
  "operation_scope": "Linux x86_64 Ubuntu 24.04 with FreeCAD 0.21.2 (PPA freecad-maintainers/freecad-stable) and Xvfb. Geometry and render steps ran in the system python3 with PYTHONPATH=/usr/lib/freecad/lib. The Docker image path and the Windows FreeCAD path were not exercised. Only the one documented diff operation was run; repo unit and lint suites were not run per task instructions.",
  "reasoning": "low",
  "claims": [],
  "platform": "linux",
  "cost_to_try": null,
  "backend": null,
  "tool_transport": "mcp-assigned-vm",
  "hardware": null,
  "agent_interface": null,
  "profile": {
    "model": "claude-haiku-5-5",
    "reasoning": "low"
  },
  "date": "2026-10-17T03:54:09.554024+00:00",
  "kind": "repo",
  "resources": {
    "cpus": 2,
    "disk_mib": 16384,
    "memory_mib": 2048
  },
  "error_excerpt": "an expected operation error cannot prove working behavior: {\"returncode\": 1, \"stdout\": \"Old version parts (before merging): 4\\nNew version parts (before merging): 4\\nREMOVED (old only): 0 -> []\\nADDED (new only): 0 -> []\\nCANDIDATE (in both, sent to the geometric diff): 4\\n of which instance count d",
  "pass": false,
  "evidence_version": null,
  "source_revision": null,
  "run_id": "angel291592--caddiff-claude-haiku-5-5-1792208624729284353",
  "last_release_at": null,
  "furthest_model": null,
  "model": "claude-haiku-5-5",
  "what_it_did": "caddiff diff on the bundled synthetic fixture examples/fixtures/moved_old.stp vs moved_new.stp, run under xvfb-run, producing diff_manifest.json, report.html and report.md. Expected result: exit 1 (differences found) with 2 differences: BRACKET_03 shape_changed (removed volume 192 mm^3) and SLIDER_02 moved (5.0 mm translation).",
  "sandbox_source": null,
  "other_run_id": null,
  "hosting": null,
  "tested_commit": null,
  "guest_setup": null,
  "mcp_context": null,
  "agent_interfaces": [],
  "setup_identity": null,
  "works": null,
  "install_s": 82.584,
  "fix_id": "fix-5af52c7a8715e17be6d1",
  "tokens_in": 238673,
  "tested_at": null,
  "test_version": "readme-8cf95ac4c97a1be0bbeb1ce948e1cb6d602792e2863ccaa9606e429111555722",
  "recovery": {
    "source": "legacy-oct16-18",
    "original_run_id": "angel291592--caddiff-claude-haiku-5-5-1792208624729284353",
    "historical": true,
    "ledger_sha256": "c5e6a833c182c1e2aecf69d0bd0020aec63c65d98f3e933e4b32232340312736"
  },
  "transcript_url": "/transcripts/angel291592--caddiff-claude-haiku-5-5-1792208624729284353.txt",
  "report_url": "/reports/angel291592--caddiff-claude-haiku-5-5-1792208624729284353.json"
}