OvertChat v0.19.0

What's Changed

• fix(web): keep long chats responsive by @yoloyash in #216
• fix(web): restore chat scroll following by @yoloyash in #217
• fix(chat): make retries and tool cancellation reliable by @yoloyash in #218
• feat(web): autosave chat composer drafts by @yoloyash in #219
• feat: add realtime voice conversations by @yoloyash in #220
• release: v0.19.0 by @yoloyash in #222

Full Changelog: v0.18.1...v0.19.0