diff --git a/models/stock_readjust_valuation.py b/models/stock_readjust_valuation.py
index f3050d8..6be7ffa 100644
--- a/models/stock_readjust_valuation.py
+++ b/models/stock_readjust_valuation.py
@@ -555,35 +555,86 @@ class StockReadjustValuation(models.Model):
         # Enhanced POS Detection
         is_pos = False
         pos_order_obj = False
+        pos_session_obj = False
         
-        if move.picking_id:
-            # Check if linked to any POS Order
-            pos_orders = self.env['pos.order'].search([('picking_ids', 'in', move.picking_id.id)], limit=1)
+        # 1. Check Origin for Exact Match (Order or Session)
+        if move.origin:
+            # Try finding Order
+            pos_orders = self.env['pos.order'].search(['|', ('name', '=', move.origin), ('pos_reference', '=', move.origin)], limit=1)
             if pos_orders:
                 is_pos = True
                 pos_order_obj = pos_orders[0]
-            elif move.picking_id.pos_order_id: # Direct field check if exists
+                pos_session_obj = pos_order_obj.session_id
+            
+            # Try finding Session (if not Order)
+            if not is_pos:
+                sessions = self.env['pos.session'].search([('name', '=', move.origin)], limit=1)
+                if sessions:
+                    is_pos = True
+                    pos_session_obj = sessions[0]
+
+        # 2. Check Picking Links (Direct Fields)
+        if not is_pos and move.picking_id:
+            # Check pos_order_id
+            if 'pos_order_id' in move.picking_id._fields and move.picking_id.pos_order_id:
                 is_pos = True
                 pos_order_obj = move.picking_id.pos_order_id
+                pos_session_obj = pos_order_obj.session_id
             
-            if not is_pos and 'POS' in move.picking_id.name:
+            # Check pos_session_id (if exists on picking)
+            if not is_pos and 'pos_session_id' in move.picking_id._fields and move.picking_id.pos_session_id:
+                 is_pos = True
+                 pos_session_obj = move.picking_id.pos_session_id
+        
+        # 3. Check Picking Origin for Session Name
+        if not is_pos and move.picking_id and move.picking_id.origin:
+             sessions = self.env['pos.session'].search([('name', '=', move.picking_id.origin)], limit=1)
+             if sessions:
+                 is_pos = True
+                 pos_session_obj = sessions[0]
+
+        # 4. Fallback: Search via picking_ids (Last Resort)
+        if not is_pos and move.picking_id:
+            pos_orders = self.env['pos.order'].search([('picking_ids', 'in', move.picking_id.id)], limit=1)
+            if pos_orders:
                 is_pos = True
-                
-        if not is_pos and move.origin and ('POS' in move.origin or 'Sesi' in move.origin):
-             is_pos = True
-             
-        if not is_pos and move.reference and 'POS' in move.reference:
-             is_pos = True
+                # If we found an order via consolidated picking, we can't be sure it's the right ORDER,
+                # but we can be reasonably sure it's the right SESSION (if grouping by session).
+                # We will grab the session, but NOT claim it's this specific order unless we have no other info.
+                pos_session_obj = pos_orders[0].session_id
+                # Only set pos_order_obj if we think it implies 1:1
+                # We'll skip setting pos_order_obj here to avoid "Arbitrary Order" confusion, just link Session.
+        
+        # 5. String Detection (Legacy/Weak)
+        if not is_pos:
+             candidates = [move.origin, move.reference, move.picking_id.name]
+             for c in candidates:
+                 if c and ('POS' in c or 'Sesi' in c):
+                     is_pos = True
+                     break
 
         move_amount = amount
         if move_amount < 0:
             debit_acc, credit_acc = credit_acc, debit_acc
             move_amount = abs(move_amount)
             
+        ref_text = f"{self.name} - Adj for {move.name}"
+        if is_pos:
+            details = []
+            if pos_order_obj:
+                details.append(pos_order_obj.name)
+            if pos_session_obj:
+                details.append(pos_session_obj.name)
+            
+            if details:
+                ref_text = f"{self.name} - POS Adj for {move.name} ({' - '.join(details)})"
+            else:
+                ref_text = f"{self.name} - POS Adj for {move.name}"
+
         move_vals = {
             'journal_id': self.journal_id.id,
             'date': self.date_end.date(), # Use End Date for Accounting
-            'ref': f"{self.name} - Adj for {move.name}",
+            'ref': ref_text,
             'move_type': 'entry',
             'line_ids': [
                 (0, 0, {