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              "query": "overwritten",
              "version": "3.12",
              "k": 2
            },
            "result": {
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              "search_request_id": "aeffc68efdee46b8d23c597f651143424c575c0c1a4699ab08a48734d011f127",
              "query": "overwritten",
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              "k": 2,
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                {
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        ],
        "scope": "Offline scripted tool policy. Corpus initialization is outside action counters. Source bytes are reserved read-text UTF-8 bytes, not disk I/O or model tokens."
      }
    },
    {
      "case_id": "source_byte_limit",
      "policy_terminal_status": null,
      "policy_reason": null,
      "result": {
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        "terminal_reason": "max_source_bytes",
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          "max_searches": 2,
          "max_reads": 2,
          "max_source_bytes": 200
        },
        "usage": {
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          "searches": 2,
          "reads": 1,
          "reserved_source_bytes": 154,
          "delivered_source_bytes": 154
        },
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            },
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            }
          },
          {
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          },
          {
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            },
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          {
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        ],
        "observations": [
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            },
            "result": {
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          },
          {
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              "rank": 1,
              "read_token": "72abbf5e0022ef780447ed8c2322b711cac8b4971d817a440bc02dfa28b07124",
              "text": "Path.read_text(encoding=None, errors=None) opens a file, returns its text as a string and closes the file. Set encoding=\"utf-8\" when reading a UTF-8 file.",
              "url": "https://docs.python.org/3.12/library/pathlib.html#pathlib.Path.read_text",
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          },
          {
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              "version": "3.12",
              "k": 2
            },
            "result": {
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              "query": "overwritten",
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              "k": 2,
              "results": [
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                  "search_request_id": "aeffc68efdee46b8d23c597f651143424c575c0c1a4699ab08a48734d011f127",
                  "passage_id": "c66643a4609c6ee157458bf4353f7446b9c6a200a3ef453846d6a18d5b5069a7",
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                  "text_sha256": "a48b4b9f763cd6309ebe32af19c5a814adcf810c2259683da9f328ccee46948e",
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              ]
            }
          }
        ],
        "scope": "Offline scripted tool policy. Corpus initialization is outside action counters. Source bytes are reserved read-text UTF-8 bytes, not disk I/O or model tokens."
      }
    }
  ],
  "controlled_tool_failure": {
    "scope": "deliberate fault after actual local search; not a reliability measurement",
    "result": {
      "controller_status": "failed",
      "terminal_reason": "RuntimeError: controlled_after_search_fault",
      "limits": {
        "max_steps": 6,
        "max_searches": 2,
        "max_reads": 2,
        "max_source_bytes": 4096
      },
      "usage": {
        "steps": 1,
        "searches": 1,
        "reads": 0,
        "reserved_source_bytes": 0,
        "delivered_source_bytes": 0
      },
      "trace": [
        {
          "action": {
            "tool": "search",
            "arguments": {
              "query": "text",
              "version": "3.12",
              "k": 2
            }
          },
          "decision": "executed",
          "invoked": true,
          "reserved_source_bytes": 0,
          "status": "failed",
          "reason": "RuntimeError: controlled_after_search_fault",
          "usage_after": {
            "steps": 1,
            "searches": 1,
            "reads": 0,
            "reserved_source_bytes": 0,
            "delivered_source_bytes": 0
          }
        }
      ],
      "observations": [],
      "scope": "Offline scripted tool policy. Corpus initialization is outside action counters. Source bytes are reserved read-text UTF-8 bytes, not disk I/O or model tokens."
    }
  },
  "limit": "Counts cover admitted tool attempts and validated read-text bytes. Corpus initialization, policy callback computation, wall time, model tokens and inference costs are outside this contract. No model agent or generated answer."
}