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fix(cli): clamp curses color 8 for 8-color terminals (Docker)

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curses.init_pair(N, 8, -1) uses extended color 8 ("bright black" /
dim gray) which does not exist on 8-color terminals (COLORS == 8,
valid range 0-7).  This crashes the entire plugins UI, session
browser, and radio picker in Docker containers with:

    curses.error: init_pair() : color number is greater than COLORS-1

Replace all 5 occurrences across plugins_cmd.py, main.py, and
curses_ui.py with min(8, curses.COLORS - 1), which falls back to
COLOR_WHITE (7) on 8-color terminals.

Closes #13688
This commit is contained in:
Tranquil-Flow 2026-04-23 21:40:40 +10:00 • committed by Teknium
parent c769be344a
commit d3f62c6913
4 changed files with 136 additions and 5 deletions
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2
hermes_cli/main.py
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@ -591,7 +591,7 @@ def _session_browse_picker(sessions: list) -> Optional[str]:
curses.init_pair(1, curses.COLOR_GREEN, -1) # selected
curses.init_pair(2, curses.COLOR_YELLOW, -1) # header
curses.init_pair(3, curses.COLOR_CYAN, -1) # search
curses.init_pair(4, 8, -1) # dim
curses.init_pair(4, 8 if curses.COLORS > 8 else curses.COLOR_WHITE, -1) # dim
cursor = 0
scroll_offset = 0