feat: validate runtime configuration before mount

pnpm-lock.yaml

@@ -14,6 +14,9 @@ importers:
       react-dom:
         specifier: 19.2.8
         version: 19.2.8(react@19.2.8)
+      zod:
+        specifier: 4.4.3
+        version: 4.4.3
     devDependencies:
       '@axe-core/playwright':
         specifier: 4.12.1
@@ -1584,6 +1587,9 @@ packages:
     resolution: {integrity: sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==}
     engines: {node: '>=10'}
 
+  zod@4.4.3:
+    resolution: {integrity: sha512-ytENFjIJFl2UwYglde2jchW2Hwm4GJFLDiSXWdTrJQBIN9Fcyp7n4DhxJEiWNAJMV1/BqWfW/kkg71UDcHJyTQ==}
+
 snapshots:
 
   '@adobe/css-tools@4.5.0': {}
@@ -2866,3 +2872,5 @@ snapshots:
       yargs-parser: 21.1.1
 
   yocto-queue@0.1.0: {}
+
+  zod@4.4.3: {}