Features Added:
- Model type filters: --t2i-only, --v2v-only, --v2i-only, --3d-only, --tts-only, --audio-only
- Enhanced model list table with new capability columns (V2V, V2I, 3D, TTS)
- Updated detect_model_type() to detect all model capabilities

MCP Server Updates:
- Added videogen_video_to_video tool for V2V style transfer
- Added videogen_apply_video_filter tool for video filters
- Added videogen_extract_frames tool for frame extraction
- Added videogen_create_collage tool for thumbnail grids
- Added videogen_upscale_video tool for AI upscaling
- Added videogen_convert_3d tool for 2D-to-3D conversion
- Added videogen_concat_videos tool for video concatenation
- Updated model list filter to support all new types

SKILL.md Updates:
- Added V2V, V2I, 3D to generation types table
- Added model filter examples
- Added 8 new use cases for V2V, filters, frames, collage, upscale, 3D, concat