https://gitlab.synchro.net/main/sbbs/-/commit/64c73eb25da2ce2e0ba11fee
Added Files:
xtrn/syncivision/tests/test_syncretro_lobby.js
Modified Files:
exec/load/game_lobby.js syncretro_lib.js syncretro_lobby.js xtrn/syncarcade/README.md syncretro.example.ini xtrn/syncivision/README.md syncretro.example.ini xtrn/syncivision/tests/test_syncretro_lib.js xtrn/syncnes/README.md syncretro.example.ini
Log Message:
syncretro: make the lobby's strings and header art sysop-configurable

Every string the lobby displays is now a key in a new [text] section of syncretro.ini, and a sysop can head or foot the picker with a display file
of their own. Both default to exactly what the lobby drew before, so an
install that configures nothing looks unchanged.

The [text] keys are written with a COLON rather than an equals sign, which
is what makes xpdev's ini parser treat the value as a C string literal and
run it through c_unescape_str(): "\1h" is then the Ctrl-A attribute code
and "\xb3" the CP437 byte, spelled the way ctrl/text.dat already spells
them. A colon also preserves a trailing space, which several of these
strings need. Nothing here decodes anything.

A blank value means "draw nothing here" -- that is how the live "Top
played" row is turned off. The section is read with iniGetObject()'s
blanks argument, since a blank value is otherwise dropped and then cannot
be told apart from an absent key.

The header and footer are files dropped in the door's own directory, lobby_header.* and lobby_footer.*, found without configuring anything:
the door-side equivalent of xtrn_sec.js's xtrn_head and xtrn_tail, but
resolved in the door dir rather than text/menu, because an external's decoration belongs to the external. game_lobby.js gains display_file() for
it, so SyncDuke and SyncDOOM can take the same treatment. It follows the extension order sbbs_t::menu() uses -- including the .msg/.asc pair
reversing for an ASCII-only terminal, which must not be handed a .msg's
CP437 box-drawing characters.

Two details the C decided rather than preference:

syncretro_cell() now measures how many columns its format spends on
everything but the title, instead of assuming the six the shipped format happens to use. A sysop who changes the separator -- or a collection past
999 cartridges -- would otherwise silently break the column grid.

Page geometry is measured with console.row, NOT console.line_counter. Terminal::inc_row() counts a line only when lncntr or lastcrcol is already non-zero, so a header file opening with a blank line measures short, and a geometry corrected to a short measurement is worse than no correction at
all. That measurement overrules the built-in row counts only when a
display file is installed; a stock install keeps the constants it has
always drawn to. printfile() is passed P_NOCRLF, which it otherwise
answers with a line break whenever the cursor is not already at the top of
the screen.

Documented in each console install's syncretro.example.ini and README, and covered by a new test_syncretro_lobby.js: 46 assertions over the ini
escapes and blank overrides, the cell measurement, display-file resolution
per terminal type, and the row arithmetic.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

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