CtText.text may be a list of runs (text marks href); CtHeading/CtQuote rich,
CtCode verbatim. New runs.sx overrides render/markdown/text methods (byte-
identical for plain strings, opt-in). 4 modes: HTML tags / markdown / nested
SX / plain asText (drift-proof). find-replace per-run marks-preserving;
search across run boundaries; CRDT block-granularity LWW; data+wire round-trip.
Runs are a Smalltalk-renderable list (not a dict — substrate can't read dict
fields under nested render dispatch). +36 tests (44 suites). Phase 6 (char-
level inline CRDT) recorded as future.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
fr-rewrite dispatches per block type so image alt, list items, and table
headers/cells are renamed alongside text/heading/code/quote/callout —
matching exactly the set asText/stats/word-count fold into prose. Prior
find-replace skipped them, so a rename stayed visible in counts/exports.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
