diff --git a/.github/workflows/build-n-test.yml b/.github/workflows/build-n-test.yml
index 23854a8..389fb6d 100644
--- a/.github/workflows/build-n-test.yml
+++ b/.github/workflows/build-n-test.yml
@@ -15,6 +15,17 @@ on:
       - '**.md'
 
 jobs:
+  json-validate:
+      name: Validate JSON/YML files
+      runs-on: ubuntu-latest
+      steps:
+        - uses: actions/checkout@v4
+
+        - name: json-yaml-validate
+          uses: GrantBirki/json-yaml-validate@v2
+          with:
+            mode: fail
+
   test-backend:
     name: Test backend
     runs-on: ubuntu-22.04
diff --git a/ui/tsconfig.json b/ui/tsconfig.json
index d89c654..edadf95 100644
--- a/ui/tsconfig.json
+++ b/ui/tsconfig.json
@@ -1,32 +1,44 @@
 {
-  "compilerOptions": {
-    "target": "ESNext",
-    "lib": ["DOM", "DOM.Iterable", "ESNext"],
-    "module": "ESNext",
-    "skipLibCheck": true,
-
-    /* Bundler mode */
-    "moduleResolution": "bundler",
-    "allowImportingTsExtensions": true,
-    "resolveJsonModule": true,
-    "isolatedModules": true,
-    "noEmit": true,
-    "jsx": "react-jsx",
-
-    /* Linting */
-    "strict": true,
-    "noUnusedParameters": true,
-    "noFallthroughCasesInSwitch": true,
-
-    /* path alias */
-    "baseUrl": ".",
-    "paths": {
-      "@/*": ["./src/*"],
-      "@hooks/*": ["./src/hooks/*"],
-      "@pages/*": ["./src/pages/*"],
-      "@comps/*": ["./src/components/*"]
-    }
-  },
-  "include": ["src"],
-  "references": [{ "path": "./tsconfig.node.json" }]
+    "compilerOptions": {
+        "target": "ESNext",
+        "lib": [
+            "DOM",
+            "DOM.Iterable",
+            "ESNext"
+        ],
+        "module": "ESNext",
+        "skipLibCheck": true,
+        "moduleResolution": "bundler",
+        "allowImportingTsExtensions": true,
+        "resolveJsonModule": true,
+        "isolatedModules": true,
+        "noEmit": true,
+        "jsx": "react-jsx",
+        "strict": true,
+        "noUnusedParameters": true,
+        "noFallthroughCasesInSwitch": true,
+        "baseUrl": ".",
+        "paths": {
+            "@/*": [
+                "./src/*"
+            ],
+            "@hooks/*": [
+                "./src/hooks/*"
+            ],
+            "@pages/*": [
+                "./src/pages/*"
+            ],
+            "@comps/*": [
+                "./src/components/*"
+            ]
+        }
+    },
+    "include": [
+        "src"
+    ],
+    "references": [
+        {
+            "path": "./tsconfig.node.json"
+        }
+    ]
 }