https://gitlab.synchro.net/main/sbbs/-/commit/3b482030a400bbdeac8cef99
Added Files:
src/syncterm/scripts/ui_markdown.wren
Modified Files:
src/syncterm/Wren.adoc src/syncterm/scripts/auto/connected/capture_menu.wren src/syncterm/scripts/sftp_app.wren sftp_queue.wren syncterm.wren ui_help.wren ui_help_test.wren ui_list_test.wren ui_pane.wren ui_popup.wren ui_style.wren src/syncterm/wren_bind_conn.c wren_bind_fs.c
Log Message:
SyncTERM: markdown help renderer + UIFC popup padding

Help body strings (and any pane.helpText) are now parsed as a small
CommonMark + Pandoc subset by ui_markdown.wren — # / ## / ### headings,
- bullets, **bold**, `code`, Pandoc def-lists (term \n : desc), and trailing-2-space hard breaks. Layout reflows on width, descriptions
in def-lists wrap inside the description column, and headings render
as a UIFC-style blue-on-cyan reverse bar.

Help dialog placement matches UIFC: full cterm height minus the
status row, 2-cell horizontal margin, 1-cell text padding inside the
frame on every side except the scrollbar column. The frame [X] now
dismisses (handle() falls through to Pane). ESC/Enter, Up/Down/Page,
Home/End, wheel, and scrollbar drag all still work.

Pane gains contentBounds — innerBounds inset by 1 cell — and the
Popup family (Alert/Confirm/Prompt/PopStatus) lays itself out inside
that. Buttons anchor against the bottom frame, leaving the row above
them as a natural visual separator.

Style roles: help body bright white on blue (was dim grey, now matches
UIFC lclr); help.bold and help.code both yellow (UIFC hclr); help.heading.{1,2,3} blue on cyan reverse bar.

Host.downloadDir also returns null when DownloadPath doesn't exist on
disk — funnels the configured-but-missing case through the same null
gate that callers already check. dir_check reorders the existence
test before the dead-flag test so the misleading "ancestor's
Directory.delete invalidated it" message no longer eats the real
"backing directory no longer exists" cause. SFTP queue ETA floors
to integer seconds before formatting (avoids %g scientific notation
for sub-second values).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

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