feat: add policy pages

components/auth/signup-form.tsx

@@ -8,12 +8,20 @@
 
 import { useState } from "react";
 import { useAuth } from "@/components/auth/auth-provider";
+import { OAuthButtons } from "@/components/auth/oauth-buttons";
 import { AuthError } from "@/lib/auth";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
 
-export function SignUpForm({ onSuccess }: { onSuccess?: () => void }) {
+export function SignUpForm({
+  onSuccess,
+  oauthNext,
+}: {
+  onSuccess?: () => void;
+  /** Post-OAuth redirect path on the frontend. */
+  oauthNext?: string;
+}) {
   const { signUp } = useAuth();
   const [name, setName] = useState("");
   const [email, setEmail] = useState("");
@@ -36,7 +44,9 @@ export function SignUpForm({ onSuccess }: { onSuccess?: () => void }) {
   }
 
   return (
-    <form onSubmit={onSubmit} className="space-y-5">
+    <div className="space-y-5">
+      <OAuthButtons next={oauthNext} />
+      <form onSubmit={onSubmit} className="space-y-5">
       <div className="space-y-1.5">
         <Label htmlFor="signup-name">Name</Label>
         <Input
@@ -76,6 +86,7 @@ export function SignUpForm({ onSuccess }: { onSuccess?: () => void }) {
       <Button type="submit" disabled={submitting} className="w-full h-11 text-base">
         {submitting ? "Creating account…" : "Sign up"}
       </Button>
-    </form>
+      </form>
+    </div>
   );
 }