Drag and drop files between folders

internal/api/handlers.go

@@ -263,6 +263,24 @@ func (s *Server) handleDeleteFile(w http.ResponseWriter, r *http.Request) {
 	writeJSON(w, 200, map[string]string{"status": "deleted"})
 }
 
+func (s *Server) handleMoveFile(w http.ResponseWriter, r *http.Request) {
+	var req struct {
+		From string `json:"from"`
+		To   string `json:"to"`
+	}
+	if err := decodeBody(r, &req); err != nil || req.From == "" || req.To == "" {
+		writeJSON(w, 400, map[string]string{"error": "from and to required"})
+		return
+	}
+
+	userID := getUserID(r)
+	if err := files.MoveFile(s.dataDir, userID, req.From, req.To); err != nil {
+		writeJSON(w, 500, map[string]string{"error": "move failed"})
+		return
+	}
+	writeJSON(w, 200, map[string]string{"status": "moved"})
+}
+
 func (s *Server) handleSharedFiles(w http.ResponseWriter, r *http.Request) {
 	// TODO: query permissions table for files shared with this user
 	// For now return empty list