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    {
      "id": "serialize-and-save-fixed-2",
      "case_id": "serialize-and-save",
      "split": "development",
      "repeat": 2,
      "mode": "fixed",
      "result": {
        "status": "answered",
        "reason": "citation_contract_passed",
        "answer": "To serialize an object keeping non-ASCII characters in the JSON string, call `json.dumps(obj, ensure_ascii=False)`. To write that resulting string to a UTF-8 file, use `Path.write_text(data, encoding=\"utf-8\")`.",
        "citations": [
          {
            "source_id": "json-text",
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          },
          {
            "source_id": "path-write",
            "quote": "Path.write_text(data, encoding=None, errors=None, newline=None) writes text to a file and closes it. Set encoding=\"utf-8\" to select UTF-8.",
            "url": "https://docs.python.org/3.12/library/pathlib.html#pathlib.Path.write_text"
          }
        ],
        "question": "In Python 3.12, how can I serialize an object with non-ASCII characters kept in JSON and save that string to a UTF-8 file?",
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        "decisions": [
          {
            "action": "answer",
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            "source_id": "",
            "answer": "To serialize an object keeping non-ASCII characters in the JSON string, call `json.dumps(obj, ensure_ascii=False)`. To write that resulting string to a UTF-8 file, use `Path.write_text(data, encoding=\"utf-8\")`.",
            "citations": [
              {
                "source_id": "json-text",
                "quote": "Setting ensure_ascii=False leaves non-ASCII characters in that string."
              },
              {
                "source_id": "path-write",
                "quote": "Path.write_text(data, encoding=None, errors=None, newline=None) writes text to a file and closes it. Set encoding=\"utf-8\" to select UTF-8."
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            ]
          }
        ],
        "observations": [
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            "tool": "search",
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              "query": "In Python 3.12, how can I serialize an object with non-ASCII characters kept in JSON and save that string to a UTF-8 file?",
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        "status": "answered",
        "reason": "citation_contract_passed",
        "answer": "To serialize an object while keeping non-ASCII characters in the JSON string, call `json.dumps(obj, ensure_ascii=False)`. To save that string to a UTF-8 file, use `Path.write_text(data, encoding=\"utf-8\")`.",
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          },
          {
            "source_id": "path-write",
            "quote": "Path.write_text(data, encoding=None, errors=None, newline=None) writes text to a file and closes it. Set encoding=\"utf-8\" to select UTF-8.",
            "url": "https://docs.python.org/3.12/library/pathlib.html#pathlib.Path.write_text"
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        ],
        "question": "In Python 3.12, how can I serialize an object with non-ASCII characters kept in JSON and save that string to a UTF-8 file?",
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        "decisions": [
          {
            "action": "search",
            "assessment": "Need to search Python 3.12 documentation for json.dump or json.dumps parameters regarding non-ASCII characters (ensure_ascii) and writing UTF-8 files.",
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            "source_id": "",
            "answer": "",
            "citations": []
          },
          {
            "action": "read",
            "assessment": "Need to examine the documentation for json.dump/dumps and ensure_ascii parameter in 'json-text'.",
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            "citations": []
          },
          {
            "action": "read",
            "assessment": "Need to check path-read or see how writing UTF-8 file is described in the docs.",
            "query": "",
            "source_id": "path-read",
            "answer": "",
            "citations": []
          },
          {
            "action": "search",
            "assessment": "We know how to keep non-ASCII characters in a JSON string via `json.dumps(..., ensure_ascii=False)` from source_id 'json-text'. However, we need documentation on saving/writing that string to a UTF-8 file (e.g. open or Path.write_text).",
            "query": "Path write_text encoding utf-8 open",
            "source_id": "",
            "answer": "",
            "citations": []
          },
          {
            "action": "read",
            "assessment": "We need to read path-write to learn how Path.write_text or writing to a file with UTF-8 encoding works.",
            "query": "",
            "source_id": "path-write",
            "answer": "",
            "citations": []
          },
          {
            "action": "answer",
            "assessment": "The observations provide documentation on serializing non-ASCII characters to a JSON string using json.dumps with ensure_ascii=False, and writing that string to a UTF-8 file using Path.write_text with encoding=\"utf-8\".",
            "query": "",
            "source_id": "",
            "answer": "To serialize an object while keeping non-ASCII characters in the JSON string, call `json.dumps(obj, ensure_ascii=False)`. To save that string to a UTF-8 file, use `Path.write_text(data, encoding=\"utf-8\")`.",
            "citations": [
              {
                "source_id": "json-text",
                "quote": "json.dumps(obj, ensure_ascii=True) returns a JSON string. Setting ensure_ascii=False leaves non-ASCII characters in that string."
              },
              {
                "source_id": "path-write",
                "quote": "Path.write_text(data, encoding=None, errors=None, newline=None) writes text to a file and closes it. Set encoding=\"utf-8\" to select UTF-8."
              }
            ]
          }
        ],
        "observations": [
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          },
          {
            "tool": "read",
            "arguments": {
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            "result": {
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              "version": "3.12",
              "text": "json.dumps(obj, ensure_ascii=True) returns a JSON string. Setting ensure_ascii=False leaves non-ASCII characters in that string. It does not write a file or select the encoding used by a file writer.",
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          {
            "tool": "search",
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          },
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              "version": "3.12",
              "text": "Path.write_text(data, encoding=None, errors=None, newline=None) writes text to a file and closes it. Set encoding=\"utf-8\" to select UTF-8. An existing file is overwritten. The method returns the number of characters written.",
              "url": "https://docs.python.org/3.12/library/pathlib.html#pathlib.Path.write_text",
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    },
    {
      "id": "newline-version-fixed-2",
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        "answer": "",
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        "question": "For Python 3.13 Path.read_text, what does newline control and how do I select UTF-8?",
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        "mode": "fixed",
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        "decisions": [
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        ],
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            },
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              "query": "For Python 3.13 Path.read_text, what does newline control and how do I select UTF-8?",
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              ]
            }
          },
          {
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            "result": {
              "source_id": "path-read-3-13",
              "version": "3.13",
              "text": "In Python 3.13, Path.read_text accepts encoding, errors and newline. The newline parameter was added in Python 3.13. The method returns decoded file text and closes the file.",
              "url": "https://docs.python.org/3.13/library/pathlib.html#pathlib.Path.read_text",
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      "checks": {
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          ],
          "refined": false,
          "within_limits": true
        },
        "scope": "Source targets, answer patterns and explicit abstention on authored fixtures; human semantic review is separate."
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    },
    {
      "id": "newline-version-agent-2",
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      "mode": "agent",
      "result": {
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        "reason": "model_stopped",
        "answer": "",
        "citations": [],
        "question": "For Python 3.13 Path.read_text, what does newline control and how do I select UTF-8?",
        "version": "3.13",
        "mode": "agent",
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        },
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        },
        "decisions": [
          {
            "action": "search",
            "assessment": "Need to search Python 3.13 documentation for Path.read_text and find details on the newline parameter and how to specify UTF-8 encoding.",
            "query": "Path.read_text newline encoding",
            "source_id": "",
            "answer": "",
            "citations": []
          },
          {
            "action": "read",
            "assessment": "Search returned 'path-read-3-13'. Need to read this passage to find what newline controls in Path.read_text and how to select UTF-8.",
            "query": "",
            "source_id": "path-read-3-13",
            "answer": "",
            "citations": []
          },
          {
            "action": "search",
            "assessment": "The read passage 'path-read-3-13' mentions that newline was added in Python 3.13 and that encoding, errors, and newline are accepted, but does not detail what newline controls or how UTF-8 is selected (e.g. passing encoding='utf-8'). Need more documentation on Path.read_text.",
            "query": "Path.read_text newline controls encoding utf-8",
            "source_id": "",
            "answer": "",
            "citations": []
          },
          {
            "action": "search",
            "assessment": "Need documentation on what newline controls in Path.read_text or how open/read_text handles newline and how to select UTF-8 (e.g. encoding='utf-8'). Searching for Path.read_text documentation details.",
            "query": "read_text newline open encoding",
            "source_id": "",
            "answer": "",
            "citations": []
          },
          {
            "action": "stop",
            "assessment": "All 3 searches are exhausted. The only read document (path-read-3-13) only states that Path.read_text accepts encoding, errors, and newline, and that newline was added in 3.13, but does not provide documentation on what newline controls or specifically how to select UTF-8. Further evidence is unavailable.",
            "query": "",
            "source_id": "",
            "answer": "",
            "citations": []
          }
        ],
        "observations": [
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              "candidates": [
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            }
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          {
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            "result": {
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              "text": "In Python 3.13, Path.read_text accepts encoding, errors and newline. The newline parameter was added in Python 3.13. The method returns decoded file text and closes the file.",
              "url": "https://docs.python.org/3.13/library/pathlib.html#pathlib.Path.read_text",
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          },
          {
            "tool": "search",
            "arguments": {
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            },
            "result": {
              "query": "Path.read_text newline controls encoding utf-8",
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              ]
            }
          },
          {
            "tool": "search",
            "arguments": {
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            },
            "result": {
              "query": "read_text newline open encoding",
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                }
              ]
            }
          }
        ]
      },
      "checks": {
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        "outcome": "incomplete",
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            "read_text newline open encoding"
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        },
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      ]
    },
    {
      "id": "unsupported-fixed-2",
      "case_id": "unsupported",
      "split": "held-out",
      "repeat": 2,
      "mode": "fixed",
      "result": {
        "status": "answered",
        "reason": "citation_contract_passed",
        "answer": "Path.write_text does not retain backup copies; instead, an existing file is simply overwritten.",
        "citations": [
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