Fix sprite facing via UV-mirror; crane wades left-right with long pauses

Crane on the surface + wade onto water; fix reversed fish; subtler bird wake

Uniform pond colour, remove jumping-fish arrows, fish facing, smaller bees, side flowers

Gold buttons matching speaker, professional fish texture

Smaller waves, lake-blue water, visible lily blooms, smaller fish

Make aquarium fish smaller with wider random size spread

Initial commit: ECHO 3D vocab game with Node+SQLite backend, admin dashboard, Docker deploy