fix(tui): ESC no longer exits YOLO; Ctrl+C copies selection to clipboard#3051
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Two behavioral fixes: 1. ESC no longer disables YOLO mode (--dangerously-skip-permissions). Previously, pressing ESC while idle in YOLO mode called SetBypass(false), silently reverting to 'auto'. Now ESC when idle in YOLO mode just clears input or arms the double-Esc rewind gesture — same as normal mode. YOLO is only exited via Shift+Tab cycle or --yolo flag restart. 2. Ctrl+C on an empty composer with an active text selection copies the selected text to clipboard (standard terminal convention) instead of arming the double-press-to-quit gesture. The selection state is saved before the generic keystroke-clears-selection path at the top of the KeyPress handler. Fixes: ESC → YOLO exit; Ctrl+C → copy selection
esengine
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Jun 9, 2026
Complete #3051: drop the plan-mode arm from the Esc handler so mode switches are exclusively Shift+Tab driven (Esc must not silently drop to a less-permissive mode). Also hoist Ctrl+C selection-copy above clear-input so copying a selection no longer wipes a half-typed draft.
SuMuxi66
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Jun 10, 2026
Complete esengine#3051: drop the plan-mode arm from the Esc handler so mode switches are exclusively Shift+Tab driven (Esc must not silently drop to a less-permissive mode). Also hoist Ctrl+C selection-copy above clear-input so copying a selection no longer wipes a half-typed draft.
dorokuma
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Jun 10, 2026
Complete esengine#3051: drop the plan-mode arm from the Esc handler so mode switches are exclusively Shift+Tab driven (Esc must not silently drop to a less-permissive mode). Also hoist Ctrl+C selection-copy above clear-input so copying a selection no longer wipes a half-typed draft.
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问题
1. ESC 意外退出 YOLO 模式
空闲时按 ESC 会调用
SetBypass(false)，将 YOLO 模式（--dangerously-skip-permissions）静默还原为 auto。用户仅想清空输入或双击 ESC 呼出回滚选择器时，却丢失了 YOLO 状态。2. Ctrl+C 无法复制选中文本
空闲时用鼠标选中文本后按 Ctrl+C，触发的却是"再按一次退出"序列，而不是复制到剪贴板。Ctrl+C 复制是标准终端约定。
修复
ESC → YOLO
删除了 ESC 处理中的
case m.ctrl.Bypass()分支。YOLO 模式现在仅通过Shift+Tab循环（normal → plan → YOLO → normal）退出。修改文件:
internal/cli/chat_tui.go— ESC switch 分支（删除了case m.ctrl.Bypass(): m.ctrl.SetBypass(false)）Ctrl+C → 复制选中文本
在通用按键清除选中状态之前保存它；Ctrl+C 处理中先检查是否有选中文本，有则复制到剪贴板，不触发退出序列。
修改文件:
internal/cli/chat_tui.go— 在 KeyPress 入口处保存sel := m.sel，Ctrl+C 分支新增选中文本检测+复制逻辑测试
新增
TestCtrlCCopySelection— 验证选中+Ctrl+C 复制、清除选中、不启动退出、后续 Ctrl+C 正常退出。Closes: N/A (无对应 issue)