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1. Extracted 1367 lines of helper functions from grid_editor_api.py (3051→1620 lines) into grid_editor_helpers.py (filters, detectors, zone grid building). 2. Created cv_syllable_detect.py with generic CV+pyphen logic: - Checks EVERY word_box for vertical pipe lines (not just first word) - No article-column dependency — works with any dictionary layout - CV morphological detection gates pyphen insertion 3. Grid editor scroll: calc(100vh-200px) for reliable scrolling. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>