Implement the nine message-entity RichText cases (textMention,
textMentionName, textHashtag, textCashtag, textBotCommand, textBankCard,
textAutoUrl, textAutoEmail, textAutoPhone): model + Postbox coding,
FlatBuffers schema/codec, Api.RichText parsing/serialization (lossless),
InstantPage display attaching the matching TelegramTextAttributes keys, and
tap routing in the rich-data bubble mirroring ChatMessageTextBubbleContentNode.
mentionName display resolves via EnginePeer.Id (PeerId not in scope).
Also lets rich-data text selection reach a line's trailing edge and fixes
the date/status node positioning to match TextBubble.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Add the RichText.textCustomEmoji(fileId:alt:) case end-to-end: model +
Postbox coding, FlatBuffers schema/codec, and Api.RichText
parsing/serialization (lossless), plus display in the InstantPage V2
renderer. The emoji renders as an InlineStickerItemLayer that participates
in the streaming reveal (pops in as the reveal cursor crosses it) and is
gated by the bubble's visibility rect, propagated recursively through the
nested V2 view tree. Also frees the CTRunDelegate extent buffers for the
image/formula/custom-emoji attachment arms and documents the feature in
CLAUDE.md.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Ilya Laktyushin