doc_processer/openspec/changes/add-doc-processing-api/specs/markdown-docx/spec.md

ADDED Requirements

Requirement: Markdown Input Acceptance

The system SHALL accept markdown content via POST /api/v1/convert/docx endpoint.

The request body SHALL contain:

• markdown: string containing the markdown content to convert

Scenario: Valid markdown provided

• WHEN valid markdown content is provided in the request body
• THEN the system SHALL process and convert it to DOCX format

Scenario: Empty markdown

• WHEN an empty markdown string is provided
• THEN the system SHALL return HTTP 422 with validation error

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Requirement: DOCX Conversion

The system SHALL convert markdown content to DOCX format using the markdown_2_docx library.

The conversion SHALL preserve:

• Headings (H1-H6)
• Paragraphs
• Bold and italic formatting
• Lists (ordered and unordered)
• Code blocks
• Tables
• Images (if embedded as base64 or accessible URLs)

Scenario: Basic markdown conversion

• WHEN markdown with headings, paragraphs, and formatting is provided
• THEN the system SHALL generate a valid DOCX file
• AND the DOCX SHALL preserve the document structure

Scenario: Complex markdown with tables

• WHEN markdown containing tables is provided
• THEN the system SHALL convert tables to Word table format
• AND preserve table structure and content

Scenario: Markdown with math formulas

• WHEN markdown containing LaTeX math expressions is provided
• THEN the system SHALL convert math to OMML (Office Math Markup Language) format
• AND render correctly in Microsoft Word

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Requirement: DOCX File Response

The system SHALL return the generated DOCX file as a binary download.

The response SHALL include:

• Content-Type: application/vnd.openxmlformats-officedocument.wordprocessingml.document
• Content-Disposition: attachment; filename="output.docx"

Scenario: Successful conversion response

• WHEN markdown conversion completes successfully
• THEN the response SHALL be the DOCX file binary
• AND HTTP status code SHALL be 200
• AND appropriate headers for file download SHALL be set

Scenario: Custom filename

• WHEN an optional filename parameter is provided in the request
• THEN the Content-Disposition header SHALL use the provided filename
• AND append .docx extension if not present

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Requirement: Error Handling

The system SHALL provide clear error responses for conversion failures.

Scenario: Conversion failure

• WHEN markdown_2_docx fails to convert the content
• THEN the system SHALL return HTTP 500 with error details
• AND the error message SHALL describe the failure reason

Scenario: Malformed markdown

• WHEN severely malformed markdown is provided
• THEN the system SHALL attempt best-effort conversion
• AND log a warning about potential formatting issues