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Format cheat sheet

Layout glyphs

`.`	Floor
`#`	Wall
`O`	Hole
`E`	Exit
`,`	Rough patch (stops slide, re-slide any direction)
`@`	Puck start (exactly one)

Pieces are never glyphs — always entities:.

Positions

at: [x, y] — x right, y down, [0, 0] is top-left.

Piece kinds (one minimal example each)

- id: npc-1
  kind: npc
  at: [1, 1]
  dialogue:
    - lines: [Hello!]

- id: sw-1
  kind: switch
  at: [2, 1]
  trigger: pass     # pass|rest, default pass
  behavior: toggle  # toggle|latch, default toggle

- id: door-1
  kind: door
  at: [3, 1]
  open-when: sw-1   # absent = permanently closed

- id: coin-1
  kind: collectible
  at: [4, 1]
  group: coin

- id: crate-1
  kind: breakable
  at: [5, 1]
  durability: 2     # default 1

`open-when` grammar

Examples: has(gold-key), atLeast(2, red)

`groups`

groups:
  red:
    - sw-1
    - sw-2

Full guide: docs/guide/world-format.md