Issues

• Remove debug print statements from production code

  low-prioritypolish
  wareflowx/excel-toolkit#34 · Filter by author codewizdave opened on Jan 21, 2026

• Add comprehensive examples and context to command help messages

  documentationlow-priorityux
  wareflowx/excel-toolkit#33 · Filter by author codewizdave opened on Jan 21, 2026

• Improve error messages to be more actionable and user-friendly

  medium-priorityux
  wareflowx/excel-toolkit#32 · Filter by author codewizdave opened on Jan 21, 2026

• Decouple operations layer from CLI commands to enable reuse as a library

  designmedium-priority
  wareflowx/excel-toolkit#31 · Filter by author codewizdave opened on Jan 21, 2026

• Fix tests that use dangerous patterns for validation

  medium-priority
  wareflowx/excel-toolkit#30 · Filter by author codewizdave opened on Jan 21, 2026

• Add integration tests for command pipelines and end-to-end workflows

  medium-priority
  wareflowx/excel-toolkit#29 · Filter by author codewizdave opened on Jan 21, 2026

• Add input sanitization for user-provided column names, file paths, and parameters

  bughigh-priority
  wareflowx/excel-toolkit#28 · Filter by author codewizdave opened on Jan 21, 2026

• Fix inconsistent security validation between filtering and transforming

  high-priority
  wareflowx/excel-toolkit#27 · Filter by author codewizdave opened on Jan 21, 2026

• Fix eval() security vulnerability in transform operations

  bugcritical
  wareflowx/excel-toolkit#26 · Filter by author codewizdave opened on Jan 21, 2026

• Add progress indicators for long-running operations on large files

  enhancementlow-priorityux
  wareflowx/excel-toolkit#25 · Filter by author codewizdave opened on Jan 21, 2026

• Optimize pandas data types during file loading to reduce memory usage

  enhancementmedium-priority
  wareflowx/excel-toolkit#24 · Filter by author codewizdave opened on Jan 21, 2026

• Functional programming patterns add overhead that impacts performance

  designlow-priority
  wareflowx/excel-toolkit#23 · Filter by author codewizdave opened on Jan 21, 2026

• Filtering operations use slow query engine and lack optimizations

  enhancementmedium-priority
  wareflowx/excel-toolkit#22 · Filter by author codewizdave opened on Jan 21, 2026

• Add memory monitoring to prevent crashes during operations

  enhancementhigh-priority
  wareflowx/excel-toolkit#21 · Filter by author codewizdave opened on Jan 21, 2026

• GroupBy operations consume excessive memory with many unique groups

  enhancementmedium-priority
  wareflowx/excel-toolkit#20 · Filter by author codewizdave opened on Jan 21, 2026

• Implement streaming/chunking for file loading to handle large files (50k-500k rows)

  enhancementhigh-priority
  wareflowx/excel-toolkit#19 · Filter by author codewizdave opened on Jan 21, 2026

• Join operations can create Cartesian products and crash systems

  bugcritical
  wareflowx/excel-toolkit#18 · Filter by author codewizdave opened on Jan 21, 2026

• Merge operations load all files into memory simultaneously, causing crashes

  bughigh-priority
  wareflowx/excel-toolkit#17 · Filter by author codewizdave opened on Jan 21, 2026

• File size limits are too permissive and can cause system crashes

  bughigh-priority
  wareflowx/excel-toolkit#16 · Filter by author codewizdave opened on Jan 21, 2026