diff --git a/package.json b/package.json
index 34b3b8f4..ac051b90 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
 		"eslint-plugin-simple-import-sort": "^12.1.1",
 		"eslint-plugin-svelte": "^3.16.0",
 		"globals": "^17.4.0",
-		"layerchart": "2.0.0-next.46",
+		"layerchart": "2.0.0-next.52",
 		"mdsvex": "^0.12.7",
 		"mode-watcher": "^1.1.0",
 		"paneforge": "^1.0.2",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 27e2c2cd..62a98e2e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -259,8 +259,8 @@ importers:
         specifier: ^17.4.0
         version: 17.4.0
       layerchart:
-        specifier: 2.0.0-next.46
-        version: 2.0.0-next.46(@sveltejs/kit@2.55.0(@sveltejs/vite-plugin-svelte@6.2.4(svelte@5.55.1)(vite@7.3.1(@types/node@25.5.0)(jiti@2.6.1)(lightningcss@1.32.0)(yaml@2.8.3)))(svelte@5.55.1)(typescript@5.9.3)(vite@7.3.1(@types/node@25.5.0)(jiti@2.6.1)(lightningcss@1.32.0)(yaml@2.8.3)))(svelte@5.55.1)
+        specifier: 2.0.0-next.52
+        version: 2.0.0-next.52(@sveltejs/kit@2.55.0(@sveltejs/vite-plugin-svelte@6.2.4(svelte@5.55.1)(vite@7.3.1(@types/node@25.5.0)(jiti@2.6.1)(lightningcss@1.32.0)(yaml@2.8.3)))(svelte@5.55.1)(typescript@5.9.3)(vite@7.3.1(@types/node@25.5.0)(jiti@2.6.1)(lightningcss@1.32.0)(yaml@2.8.3)))(svelte@5.55.1)
       mdsvex:
         specifier: ^0.12.7
         version: 0.12.7(svelte@5.55.1)
@@ -1171,9 +1171,15 @@ packages:
   '@types/cookie@0.6.0':
     resolution: {integrity: sha512-4Kh9a6B2bQciAhf7FSuMRRkUWecJgJu9nPnx3yzpsfXX/c50REIqpHY4C82bXP90qrLtXtkDxTZosYO3UpOwlA==}
 
+  '@types/d3-array@3.2.2':
+    resolution: {integrity: sha512-hOLWVbm7uRza0BYXpIIW5pxfrKe0W+D5lrFiAEYR+pb6w3N2SwSMaJbXdUfSEv+dT4MfHBLtn5js0LAWaO6otw==}
+
   '@types/d3-color@3.1.3':
     resolution: {integrity: sha512-iO90scth9WAbmgv7ogoq57O9YpKmFBbmoEoCHDB2xMBY0+/KVrqAaCDyCE16dUspeOvIxFFRI+0sEtqDqy2b4A==}
 
+  '@types/d3-contour@3.0.6':
+    resolution: {integrity: sha512-BjzLgXGnCWjUSYGfH1cpdo41/hgdWETu4YxpezoztawmqsvCeep+8QGfiY6YbDvfgHz/DkjeIkkZVJavB4a3rg==}
+
   '@types/d3-drag@3.0.7':
     resolution: {integrity: sha512-HE3jVKlzU9AaMazNufooRJ5ZpWmLIoc90A37WU2JMmeq28w1FQqCZswHZ3xR+SuxYftzHq6WU6KJHvqxKzTxxQ==}
 
@@ -1210,6 +1216,9 @@ packages:
   '@types/estree@1.0.8':
     resolution: {integrity: sha512-dWHzHa2WqEXI/O1E9OjrocMTKJl2mSrEolh1Iomrv6U+JuNwaHXsXx9bLu5gG7BUWFIN0skIQJQ/L1rIex4X6w==}
 
+  '@types/geojson@7946.0.16':
+    resolution: {integrity: sha512-6C8nqWur3j98U6+lXDfTUWIfgvZU+EumvpHKcYjujKH7woYyLj2sUmff0tRhrqM7BohUw7Pz3ZB1jj2gW9Fvmg==}
+
   '@types/hast@3.0.4':
     resolution: {integrity: sha512-WPs+bbQw5aCj+x6laNGWLH3wviHtoCv/P3+otBhbOhJgG8qtpdAMlTCxLtsTWA7LH1Oh/bFCHsBn0TPS5m30EQ==}
 
@@ -1572,10 +1581,18 @@ packages:
     resolution: {integrity: sha512-tdQAmyA18i4J7wprpYq8ClcxZy3SC31QMeByyCFyRt7BVHdREQZ5lpzoe5mFEYZUWe+oq8HBvk9JjpibyEV4Jg==}
     engines: {node: '>=12'}
 
+  d3-chord@3.0.1:
+    resolution: {integrity: sha512-VE5S6TNa+j8msksl7HwjxMHDM2yNK3XCkusIlpX5kwauBfXuyLAtNg9jCp/iHH61tgI4sb6R/EIMWCqEIdjT/g==}
+    engines: {node: '>=12'}
+
   d3-color@3.1.0:
     resolution: {integrity: sha512-zg/chbXyeBtMQ1LbD/WSoW2DpC3I0mpmPdW+ynRTj/x2DAWYrIY7qeZIHidozwV24m4iavr15lNwIwLxRmOxhA==}
     engines: {node: '>=12'}
 
+  d3-contour@4.0.2:
+    resolution: {integrity: sha512-4EzFTRIikzs47RGmdxbeUvLWtGedDUNkTcmzoeyg4sP/dvCexO47AaQL7VKy/gul85TOxw+IBgA8US2xwbToNA==}
+    engines: {node: '>=12'}
+
   d3-delaunay@6.0.4:
     resolution: {integrity: sha512-mdjtIZ1XLAM8bm/hx3WwjfHt6Sggek7qH043O8KEjDXN40xi3vx/6pYSVTwLjEgiXQTbvaouWKynLBiUZ6SK6A==}
     engines: {node: '>=12'}
@@ -2185,8 +2202,8 @@ packages:
     resolution: {integrity: sha512-r2clcf7HLWvDXaVUEvQymXJY4i3bSOIV3xsL/Upy3ZfSv5HeKsk9tsqbBptLvth5qHEIhxeHTA2jNLyQABkLBA==}
     engines: {node: '>=20.0.0'}
 
-  layerchart@2.0.0-next.46:
-    resolution: {integrity: sha512-fpdnvexCG/chonAIunDdLbqrUrD0IZ2v6MG/kbI5v7/yi0bIC47er1Kz31sACQNuoK+sxMIvWeebMHqiQP5XSQ==}
+  layerchart@2.0.0-next.52:
+    resolution: {integrity: sha512-0VBSLiuPas3MnyuxPplaOVjcZMguADmZ64SMXIdLby0TZJjJIxpDuXzQLVwYjRJT1BFnMjT/zaCGnDiOBR3T+Q==}
     peerDependencies:
       svelte: ^5.0.0
 
@@ -3986,8 +4003,15 @@ snapshots:
 
   '@types/cookie@0.6.0': {}
 
+  '@types/d3-array@3.2.2': {}
+
   '@types/d3-color@3.1.3': {}
 
+  '@types/d3-contour@3.0.6':
+    dependencies:
+      '@types/d3-array': 3.2.2
+      '@types/geojson': 7946.0.16
+
   '@types/d3-drag@3.0.7':
     dependencies:
       '@types/d3-selection': 3.0.11
@@ -4027,6 +4051,8 @@ snapshots:
 
   '@types/estree@1.0.8': {}
 
+  '@types/geojson@7946.0.16': {}
+
   '@types/hast@3.0.4':
     dependencies:
       '@types/unist': 3.0.3
@@ -4439,8 +4465,16 @@ snapshots:
     dependencies:
       internmap: 2.0.3
 
+  d3-chord@3.0.1:
+    dependencies:
+      d3-path: 3.1.0
+
   d3-color@3.1.0: {}
 
+  d3-contour@4.0.2:
+    dependencies:
+      d3-array: 3.2.4
+
   d3-delaunay@6.0.4:
     dependencies:
       delaunator: 5.1.0
@@ -5066,15 +5100,18 @@ snapshots:
 
   kysely@0.28.15: {}
 
-  layerchart@2.0.0-next.46(@sveltejs/kit@2.55.0(@sveltejs/vite-plugin-svelte@6.2.4(svelte@5.55.1)(vite@7.3.1(@types/node@25.5.0)(jiti@2.6.1)(lightningcss@1.32.0)(yaml@2.8.3)))(svelte@5.55.1)(typescript@5.9.3)(vite@7.3.1(@types/node@25.5.0)(jiti@2.6.1)(lightningcss@1.32.0)(yaml@2.8.3)))(svelte@5.55.1):
+  layerchart@2.0.0-next.52(@sveltejs/kit@2.55.0(@sveltejs/vite-plugin-svelte@6.2.4(svelte@5.55.1)(vite@7.3.1(@types/node@25.5.0)(jiti@2.6.1)(lightningcss@1.32.0)(yaml@2.8.3)))(svelte@5.55.1)(typescript@5.9.3)(vite@7.3.1(@types/node@25.5.0)(jiti@2.6.1)(lightningcss@1.32.0)(yaml@2.8.3)))(svelte@5.55.1):
     dependencies:
       '@dagrejs/dagre': 2.0.4
       '@layerstack/svelte-actions': 1.0.1-next.18
       '@layerstack/svelte-state': 0.1.0-next.23
       '@layerstack/tailwind': 2.0.0-next.21
       '@layerstack/utils': 2.0.0-next.18
+      '@types/d3-contour': 3.0.6
       d3-array: 3.2.4
+      d3-chord: 3.0.1
       d3-color: 3.1.0
+      d3-contour: 4.0.2
       d3-delaunay: 6.0.4
       d3-dsv: 3.0.1
       d3-force: 3.0.0