Update paper links, logo, and social meta tags

- Link all paper references to static/pdfs/main.pdf
- Remove brightness filter from header logo
- Increase logo size from w-5 to w-6
- Add Open Graph and Twitter meta tags to leaderboard, tasks, viewer pages
- Update twitter:site to @_Hao_Zhu across all pages

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: ProKil

blog.html

@@ -41,7 +41,7 @@
 
         <!-- Twitter -->
         <meta name="twitter:card" content="summary_large_image" />
-        <meta name="twitter:site" content="@StanfordNLP" />
+        <meta name="twitter:site" content="@_Hao_Zhu" />
         <meta
             name="twitter:title"
             content="The Curse of Coordination: Why Agents Cannot be Your Teammates Yet"

index.html

@@ -41,7 +41,7 @@
 
         <!-- Twitter -->
         <meta name="twitter:card" content="summary_large_image" />
-        <meta name="twitter:site" content="@StanfordNLP" />
+        <meta name="twitter:site" content="@_Hao_Zhu" />
         <meta
             name="twitter:title"
             content="CooperBench: Why Coding Agents Cannot be Your Teammates Yet"

leaderboard.html

@@ -5,6 +5,21 @@
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title>Leaderboard · CooperBench</title>
     <meta name="description" content="Model performance on CooperBench collaborative coding tasks" />
+
+    <!-- Open Graph / Facebook -->
+    <meta property="og:type" content="website" />
+    <meta property="og:title" content="Leaderboard · CooperBench" />
+    <meta property="og:description" content="Model performance on CooperBench collaborative coding tasks" />
+    <meta property="og:url" content="https://cooperbench.com/leaderboard.html" />
+    <meta property="og:image" content="https://cooperbench.com/static/images/cooperbench_social.png" />
+
+    <!-- Twitter -->
+    <meta name="twitter:card" content="summary_large_image" />
+    <meta name="twitter:site" content="@_Hao_Zhu" />
+    <meta name="twitter:title" content="Leaderboard · CooperBench" />
+    <meta name="twitter:description" content="Model performance on CooperBench collaborative coding tasks" />
+    <meta name="twitter:image" content="https://cooperbench.com/static/images/cooperbench_social.png" />
+
     <link rel="icon" type="image/svg+xml" href="static/images/favicon.svg?v=2" />
 
     <script src="https://cdn.tailwindcss.com"></script>

tasks.html

@@ -5,6 +5,21 @@
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title>Tasks · CooperBench</title>
     <meta name="description" content="Browse 199 collaborative coding features across 12 repositories" />
+
+    <!-- Open Graph / Facebook -->
+    <meta property="og:type" content="website" />
+    <meta property="og:title" content="Tasks · CooperBench" />
+    <meta property="og:description" content="Browse 199 collaborative coding features across 12 repositories" />
+    <meta property="og:url" content="https://cooperbench.com/tasks.html" />
+    <meta property="og:image" content="https://cooperbench.com/static/images/cooperbench_social.png" />
+
+    <!-- Twitter -->
+    <meta name="twitter:card" content="summary_large_image" />
+    <meta name="twitter:site" content="@_Hao_Zhu" />
+    <meta name="twitter:title" content="Tasks · CooperBench" />
+    <meta name="twitter:description" content="Browse 199 collaborative coding features across 12 repositories" />
+    <meta name="twitter:image" content="https://cooperbench.com/static/images/cooperbench_social.png" />
+
     <link rel="icon" type="image/svg+xml" href="static/images/favicon.svg?v=2" />
 
     <script src="https://cdn.tailwindcss.com"></script>

viewer.html

@@ -8,6 +8,21 @@
             name="description"
             content="View and analyze multi-agent execution trajectories from CooperBench experiments"
         />
+
+        <!-- Open Graph / Facebook -->
+        <meta property="og:type" content="website" />
+        <meta property="og:title" content="Trajectory Viewer - CooperBench" />
+        <meta property="og:description" content="View and analyze multi-agent execution trajectories from CooperBench experiments" />
+        <meta property="og:url" content="https://cooperbench.com/viewer.html" />
+        <meta property="og:image" content="https://cooperbench.com/static/images/cooperbench_social.png" />
+
+        <!-- Twitter -->
+        <meta name="twitter:card" content="summary_large_image" />
+        <meta name="twitter:site" content="@_Hao_Zhu" />
+        <meta name="twitter:title" content="Trajectory Viewer - CooperBench" />
+        <meta name="twitter:description" content="View and analyze multi-agent execution trajectories from CooperBench experiments" />
+        <meta name="twitter:image" content="https://cooperbench.com/static/images/cooperbench_social.png" />
+
         <link rel="icon" type="image/svg+xml" href="static/images/favicon.svg?v=2" />
 
         <script src="https://cdn.tailwindcss.com"></script>