Fix Block/Task update and deletion (sync) issues

src/backend/models/websocket_message.go

@@ -31,7 +31,7 @@ func NewStandardMessage(msgType string, event string, payload map[string]interfa
 		ID:        uuid.New().String(),
 		Type:      msgType,
 		Event:     event,
-		Timestamp: time.Now(),
+		Timestamp: time.Now().UTC(),
 		Payload:   payload,
 	}
 }

src/backend/routes/debug.go

@@ -25,7 +25,7 @@ func SetupDebugRoutes(router *gin.Engine, db *database.Database) {
 				c.JSON(http.StatusOK, gin.H{
 					"exists": false,
 					"error":  result.Error.Error(),
-					"time":   time.Now(),
+					"time":   time.Now().UTC(),
 				})
 				return
 			}
@@ -35,7 +35,7 @@ func SetupDebugRoutes(router *gin.Engine, db *database.Database) {
 				"id":          note.ID,
 				"title":       note.Title,
 				"notebook_id": note.NotebookID,
-				"time":        time.Now(),
+				"time":        time.Now().UTC(),
 			})
 		})
 
@@ -47,7 +47,7 @@ func SetupDebugRoutes(router *gin.Engine, db *database.Database) {
 			c.JSON(http.StatusOK, gin.H{
 				"pending_events": len(events),
 				"events":         events,
-				"time":           time.Now(),
+				"time":           time.Now().UTC(),
 			})
 		})
 	}

src/backend/services/block_service.go

@@ -118,7 +118,6 @@ func (s *BlockService) CreateBlock(db *database.Database, blockData map[string]i
 	metadata := models.BlockMetadata{}
 	if metaData, ok := blockData["metadata"].(map[string]interface{}); ok {
 		metadata = models.BlockMetadata(metaData)
-		metadata["_sync_source"] = "block"
 		metadata["block_id"] = blockID
 	}
 
@@ -256,7 +255,7 @@ func (s *BlockService) UpdateBlock(db *database.Database, id string, blockData m
 	}
 
 	if blockType, ok := blockData["type"].(string); ok {
-		eventData["type"] = blockType
+		eventData["block_type"] = blockType
 	}
 
 	// Create the event
@@ -341,9 +340,10 @@ func (s *BlockService) DeleteBlock(db *database.Database, id string, params map[
 		string(broker.BlockDeleted), // Use standard event type
 		"block",
 		map[string]interface{}{
-			"block_id": block.ID.String(),
-			"note_id":  block.NoteID.String(),
-			"user_id":  block.UserID.String(),
+			"block_id":   block.ID.String(),
+			"note_id":    block.NoteID.String(),
+			"user_id":    block.UserID.String(),
+			"block_type": string(block.Type),
 		},
 	)
 

src/backend/services/event_handler_service.go

@@ -154,11 +154,10 @@ func (s *EventHandlerService) dispatchEvent(event models.Event) error {
 	}
 
 	// Mark the event as dispatched in the database
-	now := time.Now()
 	return s.db.DB.Model(&event).Updates(map[string]interface{}{
 		"dispatched":    true,
-		"dispatched_at": now,
 		"status":        "completed",
+		"dispatched_at": time.Now().UTC(),
 	}).Error
 }
 

src/backend/services/note_service.go

@@ -251,7 +251,7 @@ func (s *NoteService) UpdateNote(db *database.Database, id string, noteData map[
 		note.NotebookID = notebookID
 	}
 
-	note.UpdatedAt = time.Now()
+	note.UpdatedAt = time.Now().UTC()
 
 	if err := tx.Save(&note).Error; err != nil {
 		tx.Rollback()
@@ -327,7 +327,7 @@ func (s *NoteService) DeleteNote(db *database.Database, id string, params map[st
 		tx.Rollback()
 		return errors.New("not authorized to delete this note")
 	}
-	
+
 	if err := tx.Exec("UPDATE blocks SET deleted_at = NOW() WHERE note_id = ?", id).Error; err != nil {
 		tx.Rollback()
 		return err

src/backend/services/notebook_service.go

@@ -180,7 +180,7 @@ func (s *NotebookService) UpdateNotebook(db *database.Database, id string, noteb
 		notebook.Description = description
 	}
 
-	notebook.UpdatedAt = time.Now()
+	notebook.UpdatedAt = time.Now().UTC()
 
 	if err := tx.Save(&notebook).Error; err != nil {
 		tx.Rollback()