JSON output

[lfoppiano]

The new parameter --json allow to output both XML TEI and JSON files.
Markdown format to come

Example:
science.abj2096.grobid.tei.xml
science.abj2096.json

/cc @ericjeangirard

[Copilot]

Pull Request Overview

This PR adds JSON output functionality to the GROBID client, allowing users to convert TEI XML output to structured JSON format similar to CORD-19. The implementation includes a new --json command-line flag and corresponding json_output parameter for the Python API.

Key changes:

• Added --json command-line flag and json_output parameter throughout the processing pipeline
• Implemented TEI2LossyJSONConverter class for converting TEI XML to structured JSON
• Updated documentation with JSON output examples and format specification

Reviewed Changes

Copilot reviewed 3 out of 5 changed files in this pull request and generated 5 comments.

File	Description
grobid_client/grobid_client.py	Added json_output parameter throughout processing pipeline and JSON conversion logic
grobid_client/format/TEI2LossyJSON.py	New converter class for TEI XML to JSON transformation with streaming and batch processing capabilities
Readme.md	Added comprehensive documentation for JSON output feature with examples and format specification

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[Copilot]

Pull Request Overview

Copilot reviewed 3 out of 5 changed files in this pull request and generated 4 comments.

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[Copilot]

This circular import could cause issues. Consider refactoring helper functions into a separate utilities module or importing the current module differently.

[Copilot]

Using text.find(ref_text) may return the wrong offset if the same reference text appears multiple times in the passage. This could lead to incorrect offset calculations for references.

[Copilot]

Pull Request Overview

Copilot reviewed 3 out of 5 changed files in this pull request and generated 2 comments.

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[Copilot]

Consider adding import validation or error handling for the TEI2LossyJSON module to gracefully handle cases where dependencies might be missing.

Suggested change

	from .format.TEI2LossyJSON import TEI2LossyJSONConverter
	try:
	from .format.TEI2LossyJSON import TEI2LossyJSONConverter
	except ImportError as e:
	TEI2LossyJSONConverter = None
	import warnings
	warnings.warn(
	"Optional dependency 'TEI2LossyJSONConverter' could not be imported. "
	"Some features may not be available. Original error: {}".format(e),
	ImportWarning
	)