Fix transfer quantity, unify date format, align demo seeds

Stock Transfer list showed 0.00 (read in instead of out); stock-out/transfer forms show the location quantity; dates display as YYYY-MM-DD HH:mm:ss. Demo seeds map product accounts and use product names and supplier batches.

app/assets/js/custom.js

@@ -995,15 +995,24 @@ document.addEventListener('DOMContentLoaded', () => {
 /**
  * Helper function to format date strings (assuming input is in ISO format)
  */
+// Display format used across the app: YYYY-MM-DD, or YYYY-MM-DD HH:mm:ss when the value has a time.
 function format_date(iso_string) {
   if (!iso_string) return '—';
-  var split = iso_string.split(" ");
+  var split = String(iso_string).split(" ");
   var datePart = split[0].split("-");
   if (datePart.length !== 3) return iso_string;
-  var formatted = `${datePart[2]}/${datePart[1]}/${datePart[0]}`;
+  var formatted = `${datePart[0]}-${datePart[1]}-${datePart[2]}`;
   return split.length === 2 ? `${formatted} ${split[1]}` : formatted;
 }
 
+// DD/MM/YYYY for filling date inputs (flatpickr dateFormat 'd/m/Y'); to_iso_date() reverses it.
+function format_date_input(iso_string) {
+  if (!iso_string) return '';
+  var datePart = String(iso_string).split(" ")[0].split("-");
+  if (datePart.length !== 3) return iso_string;
+  return `${datePart[2]}/${datePart[1]}/${datePart[0]}`;
+}
+
 
 function to_iso_date(dateStr) {
   if (!dateStr) return null;

app/assets/utils/classes/StockManager.php

@@ -79,7 +79,8 @@ class StockManager {
     public function getStockList(int $warehouse_id, string $type): array
     {
         $table  = $this->stockTableNameFromWarehouseId($warehouse_id);
-        $column = $type === 'out' ? 'ROUND(a.out, 2)' : 'ROUND(a.in, 2)';
+        // The transfer list shows the outbound row, whose quantity is in `out` (its `in` is always 0).
+        $column = in_array($type, ['out', 'transfer'], true) ? 'ROUND(a.out, 2)' : 'ROUND(a.in, 2)';
         $stock_ref = $this->stockReferenceSql();
 
         // Transfer list: show only the outbound side (out > 0) to avoid duplicate display
@@ -439,8 +440,9 @@ class StockManager {
                 );
             }
 
-            // Quantity and identifiers come from the existing stock_in row (immutable)
-            $quantity      = (int)$source_stock['in'];
+            // Quantity and identifiers come from the existing stock_in row (immutable).
+            // `in` is decimal(18,4) — an int cast would drop fractional quantities.
+            $quantity      = (float)$source_stock['in'];
             $ref_id        = (int)$source_stock['id'];
             $lot_number    = $source_stock['lot_number']    ?? null;
             $serial_number = $source_stock['serial_number'] ?? null;
@@ -611,8 +613,9 @@ class StockManager {
             );
         }
 
-        // Quantity and identifiers come from the source stock_in row (immutable)
-        $quantity      = (int)$source_stock['in'];
+        // Quantity and identifiers come from the source stock_in row (immutable).
+        // `in` is decimal(18,4) — an int cast would drop fractional quantities.
+        $quantity      = (float)$source_stock['in'];
         $lot_number    = $source_stock['lot_number']    ?? null;
         $serial_number = $source_stock['serial_number'] ?? null;
 

app/assets/utils/classes_ac/FinancialReports.php

@@ -697,7 +697,7 @@ class FinancialReports
                 COALESCE(d.dept_code, '') AS dept_code,
                 COALESCE(d.dept_name, '') AS dept_name,
                 COALESCE(g.journal_date, DATE(g.created_at)) AS entry_date,
-                DATE_FORMAT(g.created_at, '%d/%m/%Y %H:%i')  AS posted_at,
+                DATE_FORMAT(g.created_at, '%Y-%m-%d %H:%i:%s') AS posted_at,
                 i.debit,
                 i.credit,
                 COALESCE(i.description, '')                  AS line_description

app/assets/utils/classes_ac/GlQueryManager.php

@@ -75,8 +75,8 @@ class GlQueryManager
                 g.current_version,
                 g.formula_id,
                 COALESCE(f.formula_name, '') AS formula_name,
-                DATE_FORMAT(g.created_at, '%d/%m/%Y %H:%i') AS posted_at,
-                DATE_FORMAT(g.updated_at, '%d/%m/%Y %H:%i') AS updated_at,
+                DATE_FORMAT(g.created_at, '%Y-%m-%d %H:%i:%s') AS posted_at,
+                DATE_FORMAT(g.updated_at, '%Y-%m-%d %H:%i:%s') AS updated_at,
                 CASE g.source_type
                     WHEN 'receipt'        THEN r.receipt_number
                     WHEN 'payment'        THEN p.payment_number
@@ -142,8 +142,8 @@ class GlQueryManager
 
         $sth = $this->pdo->prepare(
             "SELECT g.*,
-                    DATE_FORMAT(g.created_at, '%d/%m/%Y %H:%i')  AS posted_at,
-                    DATE_FORMAT(g.updated_at, '%d/%m/%Y %H:%i')  AS updated_at_fmt,
+                    DATE_FORMAT(g.created_at, '%Y-%m-%d %H:%i:%s') AS posted_at,
+                    DATE_FORMAT(g.updated_at, '%Y-%m-%d %H:%i:%s') AS updated_at_fmt,
                     DATE_FORMAT(g.journal_date, '%d/%m/%Y')       AS journal_date_fmt,
                     COALESCE(f.formula_name, '') AS formula_name
              FROM td_gl g