v0.2.63

What's Changed

• Keep saving sealed history beyond 20,000 messages by @itz4blitz in #225
• Keep handshake cursors behind durable encryption state by @itz4blitz in #228
• Keep wire speakers on unauthenticated sealed history by @itz4blitz in #227
• Flush lifecycle log lines, exit a hung Windows process whose window is gone, keep empty-state text centred by @itz4blitz in #230
• Preserve encrypted receive history when cache writes fail by @itz4blitz in #226

Full Changelog: v0.2.62...v0.2.63