20260430_001744-feat: PyTorch CUDA + SAM2 GPU inference, video thumbnail, real FPS + configurable parse FPS, DICOM batch import

backend/routers/projects.py

@@ -44,6 +44,8 @@ def list_projects(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)
     projects = db.query(Project).offset(skip).limit(limit).all()
     for p in projects:
         p.frame_count = len(p.frames)
+        if p.thumbnail_url:
+            p.thumbnail_url = get_presigned_url(p.thumbnail_url, expires=3600)
     return projects
 
 
@@ -58,6 +60,8 @@ def get_project(project_id: int, db: Session = Depends(get_db)) -> Project:
     if not project:
         raise HTTPException(status_code=404, detail="Project not found")
     project.frame_count = len(project.frames)
+    if project.thumbnail_url:
+        project.thumbnail_url = get_presigned_url(project.thumbnail_url, expires=3600)
     return project