feat: add auto-release sales order option

PATCH salesOrders status to 'Released' after creation and line items.
Controlled by Auto-Release Order checkbox in Order Settings.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

woo-business-central/admin/class-wbc-admin.php

@@ -97,6 +97,9 @@ class WBC_Admin {
         register_setting( 'wbc_orders', 'wbc_default_customer_number', array(
             'sanitize_callback' => 'sanitize_text_field',
         ) );
+        register_setting( 'wbc_orders', 'wbc_auto_release_order', array(
+            'sanitize_callback' => array( $this, 'sanitize_checkbox' ),
+        ) );
     }
 
     /**

woo-business-central/admin/partials/wbc-admin-display.php

@@ -328,6 +328,19 @@ $tabs = array(
                                 </p>
                             </td>
                         </tr>
+                        <tr>
+                            <th scope="row"><?php esc_html_e( 'Auto-Release Order', 'woo-business-central' ); ?></th>
+                            <td>
+                                <label>
+                                    <input type="checkbox" name="wbc_auto_release_order" value="yes"
+                                        <?php checked( get_option( 'wbc_auto_release_order', 'no' ), 'yes' ); ?> />
+                                    <?php esc_html_e( 'Automatically release sales orders in BC after creation', 'woo-business-central' ); ?>
+                                </label>
+                                <p class="description">
+                                    <?php esc_html_e( 'Changes the order status from Draft to Released so it can be processed for shipping.', 'woo-business-central' ); ?>
+                                </p>
+                            </td>
+                        </tr>
                         <tr>
                             <th scope="row">
                                 <label for="wbc_default_customer_number"><?php esc_html_e( 'Default Customer Number', 'woo-business-central' ); ?></label>