Add research paper PDF to login page with Git LFS

✨ Features:
- Created backend/static/papers/ directory for PDF storage
- Added AgentGraph research paper (AAAI version) with Git LFS
- Configured FastAPI to serve static files at /static route
- Enhanced login page with paper download section below video
- Clean glass-card design with document icon and download link
- Opens PDF in new tab for better UX

📄 The research paper is now prominently displayed alongside the demo video,
giving users immediate access to the academic foundation of the platform.

🔧 Git LFS configured for PDF files to meet HF repository requirements.

.gitattributes

@@ -33,3 +33,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+*.pdf filter=lfs diff=lfs merge=lfs -text

backend/app.py

@@ -122,6 +122,9 @@ async def custom_http_exception_handler(request: Request, exc: HTTPException):
 # Mount datasets directory for accessing json files
 app.mount("/data", StaticFiles(directory="datasets"), name="data")
 
+# Mount static directory for papers and other static assets
+app.mount("/static", StaticFiles(directory="backend/static"), name="static")
+
 # Include routers
 app.include_router(auth.router)  # Add auth router first
 app.include_router(traces.router)

backend/static/papers/agentgraph_paper.pdf

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c45430309b675ec5ff7b26c0458bf141f9c13407b6fa8e3aea00bb9e89e99ea0
+size 2163245

backend/templates/login.html

@@ -190,8 +190,9 @@
             </div>
           </div>
 
-          <!-- Video Section -->
-          <div class="relative">
+          <!-- Video and Paper Section -->
+          <div class="relative space-y-6">
+            <!-- Demo Video -->
             <div class="glass-card rounded-2xl overflow-hidden">
               <div class="relative aspect-video">
                 <iframe
@@ -204,6 +205,36 @@
                 </iframe>
               </div>
             </div>
+
+            <!-- Research Paper -->
+            <div class="glass-card p-6 rounded-2xl">
+              <div class="flex items-center space-x-4">
+                <div class="flex-shrink-0">
+                  <svg class="w-8 h-8 text-primary" fill="currentColor" viewBox="0 0 20 20">
+                    <path fill-rule="evenodd" d="M4 4a2 2 0 012-2h8a2 2 0 012 2v12a2 2 0 01-2 2H6a2 2 0 01-2-2V4zm2 0v12h8V4H6z" clip-rule="evenodd"/>
+                    <path d="M8 6h4v1H8V6zM8 8h4v1H8V8zM8 10h2v1H8v-1z"/>
+                  </svg>
+                </div>
+                <div class="flex-1">
+                  <h3 class="text-lg font-semibold text-foreground mb-1">
+                    Research Paper
+                  </h3>
+                  <p class="text-sm text-muted-foreground mb-3">
+                    AgentGraph: Trace-to-Graph Platform for Interactive Analysis and Robustness Testing in Agentic AI Systems
+                  </p>
+                  <a
+                    href="/static/papers/agentgraph_paper.pdf"
+                    target="_blank"
+                    class="inline-flex items-center text-primary hover:text-primary/80 transition-colors"
+                  >
+                    <svg class="w-4 h-4 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 10v6m0 0l-3-3m3 3l3-3m2 8H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"/>
+                    </svg>
+                    Download PDF
+                  </a>
+                </div>
+              </div>
+            </div>
           </div>
         </div>
       </div>