dailz c1a931551b fix(tui): handle settings save errors and rewrite truncate_to_columns (closes #30) ...

- Report save failures in settings instead of silently discarding errors
- Save draft first, commit color_config only on success (prevents split-brain)
- Show error message in red on status bar, stay in Settings mode on failure
- Clear error on Esc, entering settings, or any settings edit
- Rewrite truncate_to_columns as dedicated O(prefix) truncator
- Tab: stop before tab if expansion would exceed width
- Fixes pre-existing test_truncate_to_columns_tab failure

2026-06-11 16:08:57 +08:00

141 KiB

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