slightly better

src/hooks/useKeyboardShortcuts.ts

@@ -10,6 +10,9 @@ export interface KeyboardShortcutHandlers {
   onDoubleEnter?: () => void
   onR?: () => void
   onShiftR?: () => void
+  onC?: () => void
+  onShiftC?: () => void
+  onEscape?: () => void
 }
 
 const DOUBLE_ENTER_THRESHOLD = 300
@@ -77,6 +80,21 @@ export function useKeyboardShortcuts(handlers: KeyboardShortcutHandlers) {
             h.onR?.()
           }
           break
+
+        case 'c':
+        case 'C':
+          e.preventDefault()
+          if (e.shiftKey) {
+            h.onShiftC?.()
+          } else {
+            h.onC?.()
+          }
+          break
+
+        case 'Escape':
+          e.preventDefault()
+          h.onEscape?.()
+          break
       }
     }