domain/clip is the document and what only needs the document: its symbol
table, placing, the resolver, problems. domain/nest is how nested symbols
relate — one walk down a row path gives the frame, the matrix and the time
map, which merges inside and time-down — and moving and grouping between
them, and nested sound. domain/bring is copying symbols in from another
clip, a take from footage, and one placed that merges the store and places
the instance, which conversion and import both now call instead of each
doing it in their own words. Tests follow the same split.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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