First atomic checkpoint of F2.3 (table migration to extension). Moves
the type declarations only — interfaces and unions for the table node
tree (WordsTableBlock, WordsTableRow, WordsTableCell, WordsTableOptions,
WordsTableCellOptions, WordsTableCellVerticalAlign, WordsTableCellTone)
go from engine/document.ts to extensions/table/types.ts.
engine/document.ts re-exports the moved types via `export type { ... }
from '../extensions/table/types'` so every existing consumer keeps
compiling without changes. Internal usages within document.ts use a
separate `import type` to keep the types in local scope for factory
function signatures.
The rest of F2.3 (factories + serializers + render + normalize + path
+ operations + registry wire-up) requires deeper dependency analysis
across the engine's ~990 LoC of table code spread over 10 files. That
work is deferred to a dedicated session to avoid mid-refactor breakage.
Verification:
- 143/143 tests pass in src/uix/soma/components/words
- 0 new TypeScript errors
- No engine behaviour change (types-only move)
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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