Add a second-pass QP decode to catch =XX sequences that survive
the initial mailparse decoding.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Fall back to html2text when no text/plain part is available,
converting HTML emails to readable terminal output.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Fetch full raw email and parse MIME structure to find the
text/plain part, removing MIME headers and boundaries from
the preview pane.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Spawn a worker thread that owns the IMAP session and processes
fetch commands via channels. The UI thread polls for results
non-blockingly, keeping the app responsive during network operations.
Shows loading indicator while fetching.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Introduce Inbox struct to track the oldest fetched sequence number.
When scrolling past the last email, automatically fetch the next
batch of 50 older messages and append them to the list.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
