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OCR/openspec/changes/add-office-document-support/specs/file-processing/spec.md
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# File Processing Specification Delta
## ADDED Requirements
### Requirement: Office Document Support
The system SHALL support processing of Microsoft Office document formats including Word documents (.doc, .docx) and PowerPoint presentations (.ppt, .pptx).
#### Scenario: Upload and Process Word Document
Given a user has a Word document containing text and tables
When the user uploads the `.docx` file
Then the system converts it to PDF format
And extracts all text using OCR
And preserves table structure in the output
#### Scenario: Upload and Process PowerPoint
Given a user has a PowerPoint presentation with multiple slides
When the user uploads the `.pptx` file
Then the system converts each slide to an image
And performs OCR on each slide
And maintains slide order in the results
### Requirement: Document Conversion Pipeline
The system SHALL implement a multi-stage conversion pipeline for Office documents using LibreOffice or equivalent tools.
#### Scenario: Conversion Error Handling
Given an Office document with unsupported features
When the conversion process encounters an error
Then the system logs the specific error details
And returns a user-friendly error message
And marks the file as failed with reason
## MODIFIED Requirements
### Requirement: File Validation
The file validation module SHALL accept Office document formats in addition to existing image and PDF formats, including .doc, .docx, .ppt, and .pptx extensions.
#### Scenario: Validate Office File Upload
Given a user attempts to upload a file
When the file extension is `.docx` or `.pptx`
Then the system accepts the file for processing
And validates the MIME type matches the extension
### Requirement: JWT Token Validity
The JWT token validity period SHALL be extended from 30 minutes to 1440 minutes (24 hours) to improve user experience.
#### Scenario: Extended Token Usage
Given a user authenticates successfully
When they receive a JWT token
Then the token remains valid for 24 hours
And allows continuous API access without re-authentication