AKUNUR 2.10.2 UI TEST CHECKLIST

General
[ ] Header shows v2.10.2 Captured Echo removal.
[ ] Standard opening loads with White to move.
[ ] Free placement remains selectable.

Empty Echo Point
[ ] Selecting an Echo Piece with an empty Echo Point shows the red dashed line.
[ ] The empty Echo Point shows the distinct Echo destination marker.
[ ] Clicking it completes the jump and preserves Echo Piece status.

Occupied Echo Point
[ ] An enemy stone at the Echo Point is a legal destination.
[ ] The red dashed line is shown to that enemy stone.
[ ] The destination has a capture marker.
[ ] Clicking it moves the Echo Piece to the destination and removes the enemy stone.
[ ] The captured stone does not reappear at the origin.
[ ] The move log identifies an Echo capture.
[ ] A friendly stone at the Echo Point blocks the move.

Captured Echo Piece
[ ] A normal supported capture of an Echo Piece removes it permanently.
[ ] No stone appears at the captured Echo Piece's opposite Echo Point.
[ ] The move log says "captured Echo Piece removed".
[ ] An Echo Piece capturing an opposing Echo Piece also removes the captured Echo Piece permanently.
[ ] A corner or Still Point capture of an Echo Piece removes it permanently.
[ ] The capturing stone remains on the capture cell with the correct ordinary/Echo identity.
[ ] Undo restores both the captured Echo Piece and the capturing stone's prior position.

Regression
[ ] Ordinary supported captures still displace ordinary captured stones to their Echo Point.
[ ] An occupied ordinary-stone Echo destination still removes its occupant before arrival.
[ ] Corner and Still Point captures still remove ordinary captured stones.
[ ] AI can choose and execute both Echo captures and captures of Echo Pieces.
[ ] Printable PDF rules open and describe v2.10.2.
