fix: reset Windows terminal on exit to prevent ANSI corruption - #20377
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Add win32ResetTerminal function that properly resets the terminal state on Windows before exiting. This prevents raw ANSI escape sequences from being printed to the terminal when Node processes are killed. Changes: - Added win32ResetTerminal() that clears output buffers and restores proper console modes with ENABLE_VIRTUAL_TERMINAL_PROCESSING - Clears screen and resets cursor position - Resets SGR attributes and disables alternate screen buffer - Called on exit in both TUI app and attach command Refs: anomalyco#20224
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Add win32ResetTerminal function that properly resets the terminal state on Windows before exiting. This prevents raw ANSI escape sequences from being printed to the terminal when Node processes are killed.
Problem
On Windows PowerShell, when OpenCode exits or kills Node processes, the terminal becomes corrupted with raw ANSI escape sequences like being printed directly instead of being interpreted.
Solution
Added win32ResetTerminal() that:
Called on exit in both TUI app and attach command.
Test plan
🤖 Generated with Claude Code