feat: paragraphize content blocks in script mode

[3w36zj6]

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[Copilot]

Pull request overview

This PR adds functionality to properly handle content blocks in script mode by converting them to paragraph nodes in the textlint AST. The implementation introduces helper functions to flatten markup children and recursively convert Marked::ContentBlock nodes to Paragraph nodes.

Key changes:

• Added flattenTypstMarkupChildren to recursively flatten markup/content block children while filtering out bracket delimiters
• Added convertScriptContentBlocksToParagraphs to transform content blocks into paragraph nodes
• Enhanced paragraphizeTextlintAstObject with hash statement detection logic to properly handle script-mode statements

Reviewed changes

Copilot reviewed 8 out of 9 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
src/typstToTextlintAst.ts	Core implementation: added utility functions for flattening markup children, converting content blocks to paragraphs, and detecting hash statements for proper paragraphization
test/unit/fixtures/loops/input.typ	Test fixture: Typst source with for/while loops containing content blocks
test/unit/fixtures/loops/output.json	Expected AST output for loops fixture with paragraphized content
test/unit/fixtures/content-blocks/input.typ	Test fixture: Typst source demonstrating script-mode content blocks with variables
test/unit/fixtures/content-blocks/output.json	Expected AST output for content blocks with proper paragraph wrapping
test/unit/fixtures/conditionals/input.typ	Test fixture: Typst conditional statements with content blocks
test/unit/fixtures/conditionals/output.json	Expected AST output for conditionals with paragraphized content
test/unit/fixtures/bindings-and-destructuring/input.typ	Test fixture: Complex destructuring patterns with content blocks
test/unit/fixtures/bindings-and-destructuring/output.json	Expected AST output for bindings with properly transformed paragraphs

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