walker.gd lost its firing code entirely: monsters now only patrol and hurt on contact, so the only way past is footwork or the key throw + W warp. New bullet_ring prefab fires a set number of bullets evenly spread over a fixed arc on a timer, with directions derived only from its own exports, so every volley is identical and the pattern can be memorised; the level places one at cell (12,12) aimed upward with the 12 bullets spread over 180 degrees. laser.gd gained always_on, defaulting to true, so the five copied lasers are now static hazards that are always lit and damage anything overlapping them rather than blinking on and off. Bullets now stop when they spawn inside terrain.
Removed the stomp-kill from walker.gd: landing on an enemy now just costs a heart like any other contact, so the only way past is to weave through the pattern or use the key throw + W warp. Enemies fire a fan of bullets every fire_interval whose directions are computed only from the facing and the exported spread, never from the player, so every volley traces the identical path and can be memorised. Bullets are code-generated circles (no art needed), die on hitting terrain via a probe raycast, and are freed after their lifetime. New laser prefab cycles wait -> blinking warmup -> firing, and only damages during the firing phase.
New walker prefab (mushroom_red sprite) patrols a platform, turns at walls and ledges, drains a heart on contact and dies when stomped, bouncing the player up. Three are placed in level2. The level 2 spawn point is set to cell (7,11) so the player starts standing on the floor instead of falling in from mid-air, and level 1's LevelClear now loads level2.tscn.
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