Add debugging and fix user parameter passing

- Add debug logs to track user parameter through method calls
- Update createAccountingEntries to accept user parameter
- Remove redundant global user declarations
- Pass user parameter through entire accounting creation chain

core/class/declarationtva.class.php

@@ -890,12 +890,11 @@ class DeclarationTVA
      * Create accounting entries for declaration submission
      *
      * @param int $declaration_id Declaration ID
+     * @param object $user User object
      * @return bool Success
      */
-    public function createAccountingEntries($declaration_id)
+    public function createAccountingEntries($declaration_id, $user)
     {
-        global $user;
-        
         // Get declaration data
         $fetch_result = $this->fetch($declaration_id);
         if (!$fetch_result) {
@@ -1295,6 +1294,8 @@ class DeclarationTVA
      */
     public function submitDeclaration($declaration_id, $user)
     {
+        error_log("DEBUG: submitDeclaration called with user: " . ($user ? "VALID" : "NULL"));
+        
         // Get declaration data
         $declaration = $this->fetch($declaration_id);
         if (!$declaration) {
@@ -1322,7 +1323,8 @@ class DeclarationTVA
         }
         
         // Create accounting entries
-        $accounting_result = $this->createAccountingEntries($declaration_id);
+        error_log("DEBUG: About to call createAccountingEntries with user: " . ($user ? "VALID" : "NULL"));
+        $accounting_result = $this->createAccountingEntries($declaration_id, $user);
         if (!$accounting_result) {
             $this->error = 'Failed to create accounting entries: ' . $this->error;
             return false;