{
  "protocol": "checkpoint-paired-continuation-v1",
  "date_utc": "2026-10-10",
  "pairs": 1,
  "model": "gpt-6.1-sol",
  "reasoning_effort": "low",
  "order": ["baseline", "snipara"],
  "companion_version": "3.7.0",
  "input_manifest": {
    "DECISIONS.md": "093bdfc3a6f8f7f21690470c9adca1ee6e777f650146de5d06c52f9c8937e400",
    "PLAN.json": "6d224f614db2215c7cccf83e5063627e8a325a4f54316eebaf55d584ab5396ba",
    "SPEC.md": "5561f5c52dd265e054f29f48b798f123522d829d4e5a1e04b650e200039f2024",
    "ascii-evidence.json": "50ce3c666fa93661bf5caf613a5e205bd7d1fe2da128d6795c14ed1fd744c057",
    "checkpoint.json": "f34463d0ee94483b8b08a8fc30fedad908c3b938549639b016eb073ab46784c9",
    "slug.py": "30afebcd3c7e70b41e24ebc4975fd0198938b012b8b7e43491c786e02d31837a"
  },
  "results": {
    "baseline": {
      "agent_exit_code": 0,
      "timed_out": false,
      "agent_session_seconds": 30.936,
      "usage": {
        "input_tokens": 84640,
        "cached_input_tokens": 73728,
        "cache_write_input_tokens": 0,
        "output_tokens": 1163,
        "reasoning_output_tokens": 68
      },
      "billing_usd": null,
      "resume": {
        "hosted_probe_seconds": null,
        "resume_command_seconds": null,
        "restored_phase": null,
        "completed_tasks": null,
        "adapter_seconds": 0.0
      },
      "acceptance": {
        "accepted": true,
        "stage": "full",
        "cases": 21
      },
      "protected_files_unchanged": true,
      "source_unchanged_during_validation": true,
      "source_sha256": "3a97122e9c2cdc4ad594ca0c9e26089c7169bdac2ce5d78136b12cbd088449bb",
      "command_execution_count": 2,
      "completed_tasks_redone": null,
      "time_to_first_useful_progress_seconds": null,
      "total_harness_overhead_seconds": null
    },
    "snipara": {
      "agent_exit_code": 0,
      "timed_out": false,
      "agent_session_seconds": 55.63,
      "usage": {
        "input_tokens": 152376,
        "cached_input_tokens": 134784,
        "cache_write_input_tokens": 0,
        "output_tokens": 1572,
        "reasoning_output_tokens": 90
      },
      "billing_usd": null,
      "resume": {
        "hosted_probe_seconds": 1.063,
        "resume_command_seconds": 2.38,
        "restored_phase": "unicode",
        "completed_tasks": 2,
        "adapter_seconds": 3.443
      },
      "acceptance": {
        "accepted": true,
        "stage": "full",
        "cases": 21
      },
      "protected_files_unchanged": true,
      "source_unchanged_during_validation": true,
      "source_sha256": "8ea5185524a0f77eee816da14178199ef69f26516b9cef7b583cf5c9fb5590c6",
      "command_execution_count": 5,
      "completed_tasks_redone": null,
      "time_to_first_useful_progress_seconds": null,
      "total_harness_overhead_seconds": null,
      "resume_attempts": 2,
      "failed_resume_attempts": 1,
      "first_resume_failure": "Initial hosted probe failed in restricted agent sandbox; native automatic approval review allowed retry."
    }
  },
  "limits": [
    "One small local fixture and one paired continuation; no statistical reliability claim.",
    "Frozen input was produced by native Claude Code in the earlier October 10 demonstration; Claude was not rerun for this pair.",
    "Both arms receive the identical source, plan, decisions and original ASCII evidence. Snipara additionally has portable checkpoint state and Hosted MCP access.",
    "Checkpoint paths are rebased and private telemetry/memory identifiers redacted. Completed phases and attempt counters are preserved.",
    "Same model/settings/prompts and 210-second budget; sequential runs may differ due to caching and provider conditions.",
    "Resume command time includes hosted context retrieval, excluding a separately measured MCP probe. Session time includes implementation.",
    "Tokens are client-reported. Billing, avoided redo work, first useful progress and total harness overhead are not measured.",
    "No live process migration, MCP-only restoration, Orchestrator controller handoff or authenticated human acceptance.",
    "Snipara required one network-permission retry. Successful resume timing excludes the failed probe; the full session duration includes it. Its failure duration was not separately recorded."
  ]
}