diff --git a/app/.gitignore b/app/.gitignore
index 6635cf5..9d54a5d 100644
--- a/app/.gitignore
+++ b/app/.gitignore
@@ -3,7 +3,6 @@ node_modules
 /build
 /.svelte-kit
 /package
-.env
 .env.*
 !.env.example
 vite.config.js.timestamp-*
diff --git a/app/src/routes/peripherals/imu/imu.svelte b/app/src/routes/peripherals/imu/imu.svelte
index b633ae4..6b2f998 100644
--- a/app/src/routes/peripherals/imu/imu.svelte
+++ b/app/src/routes/peripherals/imu/imu.svelte
@@ -38,7 +38,7 @@
     responsive: true,
     plugins: {
       legend: { display: true },
-      tooltip: { mode: 'index', intersect: false },
+      tooltip: { mode: 'index' as const, intersect: false },
     },
     elements: { point: { radius: 1 } },
     scales: {
@@ -48,8 +48,8 @@
         display: false,
       },
       y: {
-        type: 'linear',
-        position: 'left',
+        type: 'linear' as const,
+        position: 'left' as const,
         min: 0,
         max: 10,
         grid: { color: bgColor },
diff --git a/app/vite-plugin-littlefs.ts b/app/vite-plugin-littlefs.ts
index bd4bb50..9bfb12b 100644
--- a/app/vite-plugin-littlefs.ts
+++ b/app/vite-plugin-littlefs.ts
@@ -1,31 +1,49 @@
-import type { UserConfig, Plugin } from 'vite';
+import type { Plugin } from 'vite';
 
 export default function viteLittleFS(): Plugin[] {
-	return [
-		{
-			name: 'vite-plugin-littlefs',
-			enforce: 'post',
-			apply: 'build',
+  return [
+    {
+      name: 'vite-plugin-littlefs',
+      enforce: 'post',
+      apply: 'build',
 
-			async config(config, _configEnv) {
-				const { assetFileNames, chunkFileNames, entryFileNames } =
-					config.build?.rollupOptions?.output;
+      async config(config) {
+        const output = config.build?.rollupOptions?.output;
 
-				// Handle Server-build + Client Assets
-				config.build.rollupOptions.output = {
-					...config.build?.rollupOptions?.output,
-					assetFileNames: assetFileNames.replace('.[hash]', '')
-				};
+        if (!output || !config.build?.rollupOptions) {
+          return;
+        }
 
-				// Handle Client-build
-				if (config.build?.rollupOptions?.output.chunkFileNames.includes('hash')) {
-					config.build.rollupOptions.output = {
-						...config.build?.rollupOptions?.output,
-						chunkFileNames: chunkFileNames.replace('.[hash]', ''),
-						entryFileNames: entryFileNames.replace('.[hash]', '')
-					};
-				}
-			}
-		}
-	];
+        const outputOptions = Array.isArray(output) ? output[0] : output;
+
+        if (!outputOptions) {
+          return;
+        }
+
+        const { assetFileNames, chunkFileNames, entryFileNames } = outputOptions;
+
+        if (assetFileNames && typeof assetFileNames === 'string') {
+          config.build.rollupOptions.output = {
+            ...outputOptions,
+            assetFileNames: assetFileNames.replace('.[hash]', ''),
+          };
+        }
+
+        if (
+          chunkFileNames &&
+          typeof chunkFileNames === 'string' &&
+          chunkFileNames.includes('hash')
+        ) {
+          config.build.rollupOptions.output = {
+            ...config.build.rollupOptions.output,
+            chunkFileNames: chunkFileNames.replace('.[hash]', ''),
+            ...(entryFileNames &&
+              typeof entryFileNames === 'string' && {
+                entryFileNames: entryFileNames.replace('.[hash]', ''),
+              }),
+          };
+        }
+      },
+    },
+  ];
 }
diff --git a/app/vite.config.ts b/app/vite.config.ts
index c3a7864..a5155a9 100644
--- a/app/vite.config.ts
+++ b/app/vite.config.ts
@@ -1,30 +1,27 @@
-import { sveltekit } from '@sveltejs/kit/vite'
-import { defineConfig } from 'vite'
-import Icons from 'unplugin-icons/vite'
-import viteLittleFS from './vite-plugin-littlefs'
-import EnvCaster from '@niku/vite-env-caster'
-import tailwindcss from '@tailwindcss/vite'
+import { sveltekit } from '@sveltejs/kit/vite';
+import { defineConfig } from 'vite';
+import Icons from 'unplugin-icons/vite';
+import viteLittleFS from './vite-plugin-littlefs';
+import EnvCaster from '@niku/vite-env-caster';
+import tailwindcss from '@tailwindcss/vite';
 
 export default defineConfig({
   plugins: [
     tailwindcss(),
     sveltekit(),
     Icons({
-      compiler: 'svelte'
+      compiler: 'svelte',
     }),
     viteLittleFS(),
-    EnvCaster()
+    EnvCaster(),
   ],
-  test: {
-    include: ['src/**/*.{test,spec}.{js,ts}']
-  },
   server: {
     proxy: {
       '/api': {
         target: 'http://spot-micro.local/',
         changeOrigin: true,
-        ws: true
-      }
-    }
-  }
-})
+        ws: true,
+      },
+    },
+  },
+});