cloud: set the proxy content-type to the same as local models (ollama#12759)

Author: pdevine

server/routes.go

@@ -289,6 +289,12 @@ func (s *Server) GenerateHandler(c *gin.Context) {
 			return
 		}
 
+		contentType := "application/json; charset=utf-8"
+		if req.Stream != nil && *req.Stream {
+			contentType = "application/x-ndjson"
+		}
+		c.Header("Content-Type", contentType)
+
 		return
 	}
 
@@ -1932,6 +1938,12 @@ func (s *Server) ChatHandler(c *gin.Context) {
 			return
 		}
 
+		contentType := "application/json; charset=utf-8"
+		if req.Stream != nil && *req.Stream {
+			contentType = "application/x-ndjson"
+		}
+		c.Header("Content-Type", contentType)
+
 		return
 	}