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feat: Implement DataFrame management and batch deletion endpoints #461

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Summary

This PR implements comprehensive DataFrame management capabilities and batch deletion endpoints as part of the DataFrame web interface specification. The changes significantly enhance data handling and cleanup functionality.

Changes Made

📋 Task Completion

  • Marked tasks 2, 2.1, 2.2, and 2.3 as complete in .kiro/specs/dataframe-web-interface/tasks.md

🚀 API Enhancements

  • Upload API: Added robust DataFrame upload endpoint with multi-format support
  • URL Loading: Implemented DataFrame loading from remote URLs
  • Batch Deletion: Added comprehensive batch deletion with confirmation requirements
  • Cleanup Operations: Introduced expired DataFrame cleanup with dry run options

🔧 Key Features

  • Multi-format Support: CSV, JSON, Excel, and Parquet file formats
  • Error Handling: Enhanced error responses with detailed validation
  • Memory Reporting: Added memory usage tracking and reporting
  • Confirmation Requirements: Safety measures for batch operations
  • Dry Run Mode: Preview functionality for cleanup operations

Files Modified

  • .kiro/specs/dataframe-web-interface/tasks.md (17 lines changed)
  • server/api/__init__.py (2 lines changed)
  • server/api/dataframes.py (668 lines added, significant expansion)

Testing Performed

  • All existing tests continue to pass
  • New functionality verified through manual testing
  • Error handling scenarios validated
  • Memory usage tracking confirmed

Breaking Changes

None - all changes are additive and maintain backward compatibility.

Related Issues

This PR addresses the DataFrame web interface specification requirements and enhances the overall data management capabilities of the MCP server.

Additional Context

The implementation follows existing patterns in the codebase and maintains consistency with the current API design. The batch deletion functionality includes safety measures to prevent accidental data loss.

- Marked tasks 2, 2.1, 2.2, and 2.3 as complete in the DataFrame web interface specification.
- Added API endpoints for uploading DataFrames, loading from URLs, and batch deletion of DataFrames.
- Enhanced error handling for DataFrame deletion with confirmation requirements and detailed responses.
- Implemented cleanup functionality for expired DataFrames with dry run options and memory reporting.
- Introduced support for multiple file formats during upload and URL loading, including CSV, JSON, Excel, and Parquet.

This update significantly improves the DataFrame management capabilities, providing users with robust options for data handling and cleanup.
@plusplusoneplusplus plusplusoneplusplus merged commit 52ab319 into main Jul 15, 2025
12 checks passed
@plusplusoneplusplus plusplusoneplusplus deleted the feature/dataframe-batch-deletion-endpoints branch July 15, 2025 19:30
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