- Create shared/media/format_utils.py with format detection and validation
- Create shared/media/video_encoder.py with FFmpegEncoder and PILEncoder classes
- Extract validate_video_for_discord to shared utility
- Extract ffmpeg detection to shared detect_ffmpeg() function
- Extract Discord video optimization to shared optimize_video_for_discord()
- Remove duplicate code from video_node.py (-109 lines)
Phase 3 summary:
- video_node.py: 1201 -> 1092 lines (9% reduction this phase)
- Total reduction from original: 1562 -> 1092 lines (30% reduction)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Create shared/filename_utils.py for date/time/dimension filename building
- Create shared/path_utils.py for output directory handling
- Create shared/discord/message_builder.py for Discord message construction
- Create shared/discord/cdn_extractor.py for CDN URL extraction
- Refactor image_node.py to use shared utilities (-161 lines, 16.3%)
- Refactor video_node.py to use shared utilities (-361 lines, 23.1%)
- Fix setup_logging missing from logging_config.py
- Fix test imports to use new module paths (nodes.* instead of discord_*_node)
- Total reduction: 522 lines (20.5%), exceeding PRD target of ~200 lines
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
