fix: viewport metadata (Next.js 15), lazy auth client init (location SSR error), force-dynamic dashboard

app/parent/auth/login/page.tsx

@@ -2,7 +2,7 @@
 
 import { useState } from "react"
 import { useRouter } from "next/navigation"
-import { authClient } from "@/lib/auth-client"
+import { getAuth } from "@/lib/auth-client"
 
 export default function LoginPage() {
   const [email, setEmail] = useState("")
@@ -16,7 +16,14 @@ export default function LoginPage() {
     setLoading(true)
     setError("")
 
-    const { error: err } = await authClient.signIn.email({
+    const auth = getAuth()
+    if (!auth) {
+      setError("Error de inicialización")
+      setLoading(false)
+      return
+    }
+
+    const { error: err } = await auth.signIn.email({
       email,
       password,
     })

app/parent/auth/pairing/page.tsx

@@ -1,7 +1,7 @@
 "use client"
 
 import { useState } from "react"
-import { authClient } from "@/lib/auth-client"
+import { getAuth } from "@/lib/auth-client"
 import { useRouter } from "next/navigation"
 import { GatoMascota } from "@/components/child/gato-mascota"
 
@@ -10,7 +10,8 @@ export default function PairingPage() {
   const [loading, setLoading] = useState(false)
   const [error, setError] = useState("")
   const [paired, setPaired] = useState(false)
-  const { data: session } = authClient.useSession()
+  const auth = getAuth()
+  const { data: session } = auth?.useSession() ?? { data: null }
   const router = useRouter()
 
   const handlePairing = async (e: React.FormEvent) => {