embedr: return null width (#3598)

bskyweb/cmd/embedr/handlers.go

@@ -55,8 +55,8 @@ type OEmbedResponse struct {
 	AuthorURL    string `json:"author_url,omitempty"`
 	ProviderName string `json:"provider_url,omitempty"`
 	CacheAge     int    `json:"cache_age,omitempty"`
-	Width        int    `json:"width,omitempty"`
-	Height       *int   `json:"height,omitempty"`
+	Width        *int   `json:"width"`
+	Height       *int   `json:"height"`
 	HTML         string `json:"html,omitempty"`
 }
 
@@ -165,7 +165,7 @@ func (srv *Server) WebOEmbed(c echo.Context) error {
 		AuthorURL:    fmt.Sprintf("https://bsky.app/profile/%s", post.Author.Handle),
 		ProviderName: "Bluesky Social",
 		CacheAge:     86400,
-		Width:        width,
+		Width:        &width,
 		Height:       nil,
 		HTML:         html,
 	}