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Symbols, not timelines; no symbol is special

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Everything that holds nodes is a symbol (domain/timeline -> domain/symbol,
:timelines -> :symbols) and a node that places one is :kind :instance. The
reserved :main root is gone: which symbol is on screen is editor state
([:ui :open]), every domain function that needs a symbol is told which, and
a document opens on the longest symbol nothing else places.

Saved projects move to schema 2 through migration 0007, which rewrites leaf
paths, instance kinds and the feature :symbol key; the client refuses a
schema it does not read.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Olive Vaughn 2026-09-29 12:46:42 -04:00
parent 179770d7d4
commit 5dff490162
61 changed files with 1587 additions and 1431 deletions
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docs/timing-handoff.md
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@ -70,7 +70,7 @@ handling and the relevant key whitelist if its storage location requires it.
- `freeze/performance-nodes` marks generated animated channels with
`:pose-sampled?` and local `:pose-group` names. This includes keyed visibility
as well as dense geometry. `:generated` remains provenance for regeneration.
- `timeline/channel-frame` already applies explicit pose choices and default
- `symbol/channel-frame` already applies explicit pose choices and default
picture sampling to marked channels. Playback and export both use
`clip/resolver` with `:picture-fps`; there is no need for a second sampling
implementation. Export's pose count is still a rate-based estimate.