#302

backend/AGENTS.md

@@ -83,6 +83,10 @@ service, representation, and spec.
   by 4 spaces.
 - Put one logical pair per line when the expression would otherwise become
   dense.
+- For Ruby arrays, never put whitespace or a line break immediately before `]`.
+- Keep the first element on the same line as `[` by default.
+- If an array would exceed the line limit, break after `[` and indent
+  elements by 4 spaces.
 - For Ruby blocks, use 2-space indentation for the block body.
 - Keep comments short and useful; avoid narrating obvious code.
 - Do not add production dependencies without approval.