{
  "chapter_id": "12",
  "source_sha": "cbfc94ade5b57e449d6b73bf1485b1c5b1647022",
  "claims": [
    {
      "claim_id": "ch12.runtime",
      "statement": "Runtime exposes typed container lifecycle and log operations; agent ContainerSpec forwards command/volumes but omits Resources.",
      "classification": "partial integration",
      "source_path": "internal/agent/agent.go",
      "source_sha": "cbfc94ade5b57e449d6b73bf1485b1c5b1647022",
      "line_start": 249,
      "line_end": 269,
      "associated_commits": [
        "2969dfcebd0b15dea99cdf97b5ccdd1ddfd36b41",
        "c69f9ffa830284692aabf9e65ab9eb1f79d3a114",
        "cf9769553d6599d798fafaffe1495d3d739fe993"
      ],
      "validation": "inspected",
      "evidence_log": null,
      "limitations": [
        "Lower Engine adapter resource support does not establish the ordinary agent field path."
      ]
    },
    {
      "claim_id": "ch12.create",
      "statement": "Engine CreateContainer looks up task identity first and recovers create conflict by lookup.",
      "classification": "runtime-integrated",
      "source_path": "internal/docker/docker.go",
      "source_sha": "cbfc94ade5b57e449d6b73bf1485b1c5b1647022",
      "line_start": 191,
      "line_end": 219,
      "associated_commits": [
        "2969dfcebd0b15dea99cdf97b5ccdd1ddfd36b41",
        "c69f9ffa830284692aabf9e65ab9eb1f79d3a114",
        "cf9769553d6599d798fafaffe1495d3d739fe993"
      ],
      "validation": "inspected",
      "evidence_log": null,
      "limitations": [
        "Task lookup does not independently establish complete desired-spec equivalence."
      ]
    },
    {
      "claim_id": "ch12.operations",
      "statement": "Focused fake/client tests passed repeated lifecycle and replacement behaviors.",
      "classification": "runtime-integrated",
      "source_path": "internal/docker/docker.go",
      "source_sha": "cbfc94ade5b57e449d6b73bf1485b1c5b1647022",
      "line_start": 221,
      "line_end": 277,
      "associated_commits": [
        "2969dfcebd0b15dea99cdf97b5ccdd1ddfd36b41",
        "c69f9ffa830284692aabf9e65ab9eb1f79d3a114",
        "cf9769553d6599d798fafaffe1495d3d739fe993"
      ],
      "validation": "executed",
      "evidence_log": "validation/labs/ch12/focused-tests.json",
      "limitations": [
        "Focused tests use fakes and client fixtures, not a real daemon restart or every error case."
      ]
    },
    {
      "claim_id": "ch12.cleanup",
      "statement": "Focused agent tests preserved nonmanaged containers despite task references.",
      "classification": "runtime-integrated",
      "source_path": "internal/agent/agent.go",
      "source_sha": "cbfc94ade5b57e449d6b73bf1485b1c5b1647022",
      "line_start": 713,
      "line_end": 718,
      "associated_commits": [
        "2969dfcebd0b15dea99cdf97b5ccdd1ddfd36b41",
        "c69f9ffa830284692aabf9e65ab9eb1f79d3a114",
        "cf9769553d6599d798fafaffe1495d3d739fe993"
      ],
      "validation": "executed",
      "evidence_log": "validation/labs/ch12/focused-tests.json",
      "limitations": [
        "Ownership checks are narrower than universal isolation; cleanup after an authoritative empty memory assignment set remains a risk."
      ]
    }
  ]
}