Refactored ParsedMetadata/ChunkMetadata to reflect all options

[jamesbraza]

This PR cleans up some tech debt in our parsing/chunking schemes

• Includes all parsing and chunking options in hash-like Metadata.summary field
• Removed dead code for ParsingOptions and deprecating chunking_algorithm
• Added multimodal to the autogenerated index name, with a test

[dosubot]

Related Documentation

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[Copilot]

Pull Request Overview

This PR refactors the metadata structure for parsing and chunking operations to consolidate configuration options into hash-like summary fields instead of separate type fields.

• Replaced parse_type and chunk_type fields with comprehensive summary fields that include all relevant options
• Removed deprecated ParsingOptions enum and marked chunking_algorithm as deprecated
• Added multimodal parameter to autogenerated index names to ensure unique indexes for different parsing configurations

Reviewed Changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
tests/test_paperqa.py	Updates test assertions to use new summary field format and adds multimodal parameter test
src/paperqa/types.py	Refactors ChunkMetadata and ParsedMetadata to replace type fields with summary fields
src/paperqa/settings.py	Removes deprecated ParsingOptions, marks chunking_algorithm as deprecated, adds multimodal to index naming
src/paperqa/readers.py	Updates parsing and chunking logic to generate summary strings instead of type identifiers
src/paperqa/docs.py	Updates condition to check summary field instead of parse_type
packages/paper-qa-pypdf/tests/test_paperqa_pypdf.py	Updates test to check summary field format
packages/paper-qa-pypdf/src/paperqa_pypdf/reader.py	Generates summary string with multimodal information
packages/paper-qa-pymupdf/tests/test_paperqa_pymupdf.py	Updates test to check summary field format
packages/paper-qa-pymupdf/src/paperqa_pymupdf/reader.py	Generates detailed summary string with parsing parameters

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[mskarlin]

The premise behind this has been deprecated -- since it's now captured in the input settings.

In the future if there's some compatibility relationship between parsings and chunking algorithms we'll need to add this code back in. It's why it was originally left here FYI.

[jamesbraza]

Yeah I know what you mean, we can restore in the future when needed

[dosubot]

Documentation Updates

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