Add user file editor endpoint and enhance WOPI handlers with logging

go_cloud/internal/http/wopi_handlers.go

@@ -245,6 +245,8 @@ func wopiCheckFileInfoHandler(w http.ResponseWriter, r *http.Request, db *databa
 		return
 	}
 
+	fmt.Printf("[WOPI-CheckFileInfo] START: file=%s user=%s size=%d path=%s\n", fileID, userID.String(), file.Size, file.Path)
+
 	// Verify user has access to this file
 	canAccess := false
 	var ownerID string
@@ -313,6 +315,8 @@ func wopiGetFileHandler(w http.ResponseWriter, r *http.Request, db *database.DB,
 		return
 	}
 
+	fmt.Printf("[WOPI-GetFile] START: file=%s\n", fileID)
+
 	// Get access token from query parameter
 	accessToken := r.URL.Query().Get("access_token")
 	if accessToken == "" {
@@ -393,6 +397,8 @@ func wopiGetFileHandler(w http.ResponseWriter, r *http.Request, db *database.DB,
 	}
 	defer resp.Body.Close()
 
+	fmt.Printf("[WOPI-STORAGE] Download response status: %d\n", resp.StatusCode)
+
 	// Set response headers
 	contentType := getMimeType(file.Name)
 	w.Header().Set("Content-Type", contentType)