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e12a40f6bf
Fixes text remnants and extra blank lines when spinner messages change. Issues fixed: 1. Text remnants when switching from longer to shorter messages (e.g., 'Cleaning...ems...') 2. Extra blank lines appearing after section headers Root causes: - \033[K only clears from cursor to end of line, leaving remnants when new messages are shorter - stop_section_spinner was clearing lines even when no spinner was running Changes: - lib/core/base.sh: - Changed stop_section_spinner(), safe_clear_line(), safe_clear_lines() to use \033[2K - Added guard in stop_section_spinner to only clear when spinner is actually running - lib/core/ui.sh: - Clear line once when starting spinner (before loop) to ensure clean start - Normal spinner rotation uses \r without clearing (performance optimization) Performance: Line clearing happens only once per spinner start, not on every loop iteration. Fixes #390