Merge branch 'main' into dev

Author: XuanL17

co_website/app/contribute/page.tsx

@@ -35,8 +35,13 @@ export default async function ContributePage() {
             Contribute
           </h1>
           <p className="mt-4 text-lg text-gray-600 max-w-2xl mx-auto">
-            Add a new human study to HumanStudy-Bench. The 12 existing studies are for reference.
+            Add a new study to HumanStudy-Bench.
           </p>
+          <div className="mt-6 mx-auto max-w-2xl rounded-xl border border-cyan-100 bg-cyan-50/40 px-6 py-5 text-sm leading-relaxed text-gray-700 space-y-1.5">
+            <p>HumanStudy-Bench is a non-profit and open-source platform.</p>
+            <p>We welcome collaborators from all backgrounds!</p>
+            <p>All accepted contributions will be acknowledged and credited.</p>
+          </div>
           {/* Section nav */}
           <div className="mt-8 flex flex-wrap justify-center gap-3">
             <a href="#studies" className="rounded-full border border-gray-200 px-4 py-1.5 text-sm font-medium text-gray-700 hover:border-cyan-300 hover:text-cyan-700 transition-colors">
@@ -55,7 +60,7 @@ export default async function ContributePage() {
                 <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" strokeWidth={2} stroke="currentColor">
                   <path strokeLinecap="round" strokeLinejoin="round" d="M12 6.042A8.967 8.967 0 006 3.75c-1.052 0-2.062.18-3 .512v14.25A8.987 8.987 0 016 18c2.305 0 4.408.867 6 2.292m0-14.25a8.966 8.966 0 016-2.292c1.052 0 2.062.18 3 .512v14.25A8.987 8.987 0 0018 18a8.967 8.967 0 00-6 2.292m0-14.25v14.25" />
                 </svg>
-                Step-by-step Tutorial
+                Step-by-step Tutorial &rarr;
               </span>
             </Link>
           </div>
@@ -221,6 +226,10 @@ export default async function ContributePage() {
           >
             GitHub
           </a>
+          . For other inquiries, contact{" "}
+          <a href="mailto:xul049@ucsd.edu" className="text-cyan-600 hover:underline">
+            xul049@ucsd.edu
+          </a>
           .
         </p>
       </div>

co_website/components/DatasetGrid.tsx

@@ -92,8 +92,11 @@ export default function DatasetGrid() {
         <div className="mx-auto max-w-2xl text-center">
           <h2 className="text-3xl font-bold tracking-tight text-gray-900 sm:text-4xl font-serif">Study Dataset</h2>
           <p className="mt-4 text-lg leading-8 text-gray-600">
-            A curated collection of 12 foundational human-subject studies spanning individual cognition, strategic interaction, and social psychology, all with complete experimental materials and clearly specified statistical tests.
+            An initial curated collection of 12 foundational human-subject studies spanning individual cognition, strategic interaction, and social psychology, all with complete experimental materials and clearly specified statistical tests.
           </p>
+          <a href="/contribute" className="mt-3 inline-block text-lg font-medium text-indigo-600 hover:text-indigo-500">
+            Become a contributor &rarr;
+          </a>
         </div>
         <div className="mx-auto mt-16 grid max-w-2xl grid-cols-1 gap-6 sm:mt-20 lg:max-w-none lg:grid-cols-2">
           {datasets.map((study) => (

co_website/components/Footer.tsx

@@ -3,7 +3,7 @@ export default function Footer() {
     <footer className="bg-white border-t border-gray-200 mt-auto">
       <div className="mx-auto max-w-7xl px-4 py-6 sm:px-6 lg:px-8">
         <p className="text-center text-sm text-gray-500">
-          &copy; {new Date().getFullYear()} Xuan Liu, Haoyang Shang, Zizhang Liu. All rights reserved.
+          &copy; {new Date().getFullYear()} Xuan Liu, Haoyang Shang, Zizhang Liu, Guankai Zhai. All rights reserved.
         </p>
       </div>
     </footer>

co_website/components/Hero.tsx

@@ -15,7 +15,7 @@ export default function Hero() {
             HumanStudy-Bench: Towards AI <span className="text-cyan-600">Agent Design</span> for Participant Simulation
           </h1>
           <p className="mt-6 text-lg leading-8 text-gray-600">
-            A reusable platform converting human study research papers into standardized testbed for AI agents to replay human-subject experiments end-to-end, evaluating agent alignment with human participants at the level of scientific inference.
+            A non-profit and open-source platform converting human study research papers into standardized testbed for AI agents to replay human-subject experiments end-to-end, evaluating agent alignment with human participants at the level of scientific inference.
           </p>
           <div className="mt-10 flex flex-wrap items-center gap-x-6 gap-y-3">
             <Link

co_website/components/Overview.tsx

@@ -45,6 +45,14 @@ export default function Overview() {
             <div className="text-xs text-gray-600 mt-1">PAS & ECS for alignment</div>
           </div>
         </div>
+        <div className="mt-6 text-center">
+          <a href="/contribute" className="inline-flex items-center gap-1.5 text-sm font-medium text-indigo-600 hover:text-indigo-500 transition-colors">
+            Open-ended and growing — join us to add more
+            <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" strokeWidth={2} stroke="currentColor">
+              <path strokeLinecap="round" strokeLinejoin="round" d="M13.5 4.5 21 12m0 0-7.5 7.5M21 12H3" />
+            </svg>
+          </a>
+        </div>
       </div>
 
        {/* Visual Pipeline Section */}