wip: attempt to fix constraint solving infinite loop

Cargo.lock

@@ -1582,8 +1582,7 @@ dependencies = [
 [[package]]
 name = "kasuari"
 version = "0.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96d9e0d6a8bf886abccc1cbcac7d74f9000ae5882aedc4a9042188bbc9cd4487"
+source = "git+https://github.com/j-g00da/kasuari.git?branch=js%2Fcycle-prevention#dd15b398666924a192ca05d5a6d207df9c84afe3"
 dependencies = [
  "hashbrown",
  "thiserror 2.0.12",

Cargo.toml

@@ -41,7 +41,7 @@ hashbrown = "0.15"
 indoc = "2"
 instability = "0.3"
 itertools = { version = "0.14", default-features = false, features = ["use_alloc"] }
-kasuari = { version = "0.4", default-features = false }
+kasuari = { git = "https://github.com/j-g00da/kasuari.git", branch = "js/cycle-prevention", default-features = false }
 line-clipping = "0.3"
 lru = "0.14"
 palette = "0.7"

ratatui-core/src/layout/layout.rs

@@ -2834,5 +2834,11 @@ mod tests {
                 .collect::<Vec<(u16, u16)>>();
             assert_eq!(result, expected);
         }
+
+        #[rstest]
+        #[timeout(core::time::Duration::from_secs(10))]
+        fn regression_1855() {
+            Layout::horizontal(vec![Min(0); 40]).split(Rect::new(0, 0, 40, 1));
+        }
     }
 }