Implement Parts Filtering System

[ProfBrickz]

• Develop robust filtering system for parts lists
  • Filter by completion status
    • Show only missing parts
    • Show only found parts
    • Show all parts (default)
  • Filter by part color
    • Create color picker/selector
    • Allow multi-color filtering
    • Show color statistics (parts per color)
  • Implement text search
    • Search by part name
    • Search by BrickLink ID
• Create filtering UI
  • Easy-to-use filter toggles/dropdowns
  • Save filter preferences
  • Clear all filters option
  • Show active filters indicators