add svelte splitpanes for pinned display view

control/frontend/package-lock.json

@@ -9,7 +9,8 @@
 			"version": "0.0.1",
 			"dependencies": {
 				"@thisux/sveltednd": "^0.0.20",
-				"lucide-svelte": "^0.545.0"
+				"lucide-svelte": "^0.545.0",
+				"svelte-splitpanes": "^8.0.9"
 			},
 			"devDependencies": {
 				"@eslint/compat": "^1.2.5",
@@ -2352,6 +2353,15 @@
 			"integrity": "sha512-Epxrv+Nr/CaL4ZcFGPJIYLWFom+YeV1DqMLHJoEd9SYRxNbaFruBwfEX/kkHUJf55j2+TUbmDcmuilbP1TmXHA==",
 			"license": "MIT"
 		},
+		"node_modules/esm-env-robust": {
+			"version": "0.0.3",
+			"resolved": "https://registry.npmjs.org/esm-env-robust/-/esm-env-robust-0.0.3.tgz",
+			"integrity": "sha512-90Gnuw2DALOqlL1581VxP3GHPUNHX9U+fQ+8FNcTTFClhY5gEggAAnJ3q1b2Oq23knRsjv8YpNeMRPaMLUymOA==",
+			"license": "MIT",
+			"dependencies": {
+				"esm-env": "^1.0.0"
+			}
+		},
 		"node_modules/espree": {
 			"version": "10.4.0",
 			"resolved": "https://registry.npmjs.org/espree/-/espree-10.4.0.tgz",
@@ -3848,6 +3858,18 @@
 				"node": ">=4"
 			}
 		},
+		"node_modules/svelte-splitpanes": {
+			"version": "8.0.9",
+			"resolved": "https://registry.npmjs.org/svelte-splitpanes/-/svelte-splitpanes-8.0.9.tgz",
+			"integrity": "sha512-L3oLXTC99M191FInTXJ/f/2i0welRql1QuVbPaU8iy6nvCR6X9VyjHCsCpLqKGWHwqkWo/AM9CQ1c0nzlb+MkA==",
+			"license": "MIT",
+			"dependencies": {
+				"esm-env-robust": "0.0.3"
+			},
+			"peerDependencies": {
+				"svelte": "^4.2.19 || ^5.1.0"
+			}
+		},
 		"node_modules/tailwindcss": {
 			"version": "4.1.14",
 			"resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.1.14.tgz",