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Malte UblandClaude Opus 5.5
f14997776b
A codec stored in untyped storage (hono's StreamingApi keeps
`this.encoder = new TextEncoder()` in a JavaScript class field) had no
dynamic representation and threw SC1101 at run time. The codec records
now cross 'unknown' slots as handles of two new tags that hold the record
itself, so identity and a decoder's streaming state survive the round
trip, and checked casts unbox the same record.
The handles answer encode, encodeInto and decode (with options objects),
the encoding, fatal and ignoreBOM properties, method values with Node's
ERR_INVALID_THIS, instanceof, String() tags and JSON's {}. The unit
scr_text_codec_dyn.c links only into programs that convert a codec to or
from an untyped value (the textCodecDyn runtime feature, found with the
dgram carrier walk, now shared).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>