diff --git a/SOC-Case-Management.xml b/SOC-Case-Management.xml
new file mode 100644
index 0000000..9948a24
--- /dev/null
+++ b/SOC-Case-Management.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<root>
+   <versions>
+      <version>
+         <num>1.0.0</num>
+         <compatibility>~10.0.0</compatibility>
+      </version>
+   </versions>
+</root>
\ No newline at end of file
diff --git a/hook.php b/hook.php
index a1b1f4d..6e5724a 100644
--- a/hook.php
+++ b/hook.php
@@ -4,49 +4,156 @@
  */
 
 /**
- * Hook called after a new item has been added
+ * Item display hook - adds tabs to items
  *
- * @param CommonDBTM $item
- * @return void
+ * @param CommonGLPI $item Object on which to add the tab
+ * @param integer $withtemplate
+ * @return array|string
  */
-function plugin_soc_item_add(CommonDBTM $item) {
-   // Add actions when a new item is created
+function plugin_soc_getTabNameForItem(CommonGLPI $item, $withtemplate = 0) {
+   if ($withtemplate) {
+      return '';
+   }
+   
+   switch ($item->getType()) {
+      case 'Ticket':
+         if (Session::haveRight('plugin_soc_case', READ)) {
+            return PluginSocCase::getTypeName(Session::getPluralNumber());
+         }
+         break;
+         
+      case 'Change':
+         if (Session::haveRight('plugin_soc_case', READ)) {
+            return PluginSocCase::getTypeName(Session::getPluralNumber());
+         }
+         break;
+   }
+   
+   return '';
 }
 
 /**
- * Hook called after an item has been updated
+ * Item update hook
  *
- * @param CommonDBTM $item
+ * @param CommonDBTM $item Item being updated
  * @return void
  */
 function plugin_soc_item_update(CommonDBTM $item) {
-   // Add actions when an item is updated
+   // Handle item updates
+   switch ($item->getType()) {
+      case 'Ticket':
+      case 'Change':
+         // Custom update logic if needed
+         break;
+   }
 }
 
 /**
- * Hook called after an item has been deleted
+ * Item add hook
  *
- * @param CommonDBTM $item
+ * @param CommonDBTM $item Item being added
+ * @return void
+ */
+function plugin_soc_item_add(CommonDBTM $item) {
+   // Handle item additions
+   switch ($item->getType()) {
+      case 'Ticket':
+      case 'Change':
+         // Custom add logic if needed
+         break;
+   }
+}
+
+/**
+ * Item delete hook
+ *
+ * @param CommonDBTM $item Item being deleted
  * @return void
  */
 function plugin_soc_item_delete(CommonDBTM $item) {
-   // Add actions when an item is deleted
+   // Handle item deletions
+   switch ($item->getType()) {
+      case 'Ticket':
+      case 'Change':
+         // Custom delete logic if needed
+         break;
+   }
 }
 
 /**
- * Hook called after an item has been purged
+ * Item purge hook
  *
- * @param CommonDBTM $item
+ * @param CommonDBTM $item Item being purged
  * @return void
  */
 function plugin_soc_item_purge(CommonDBTM $item) {
-   // Add actions when an item is purged
+   // Handle item purges
+   global $DB;
+   
+   switch ($item->getType()) {
+      case 'Ticket':
+         // Delete case-ticket relations
+         $DB->delete(
+            'glpi_plugin_soc_case_tickets', 
+            ['tickets_id' => $item->getID()]
+         );
+         break;
+         
+      case 'Change':
+         // Delete case-change relations
+         $DB->delete(
+            'glpi_plugin_soc_case_changes', 
+            ['changes_id' => $item->getID()]
+         );
+         break;
+         
+      case 'PluginSocCase':
+         // Delete related items
+         $DB->delete(
+            'glpi_plugin_soc_case_tickets', 
+            ['plugin_soc_cases_id' => $item->getID()]
+         );
+         
+         $DB->delete(
+            'glpi_plugin_soc_case_changes', 
+            ['plugin_soc_cases_id' => $item->getID()]
+         );
+         break;
+   }
 }
 
 /**
- * Hook called when displaying the tabs for an item
+ * Display tab content for item
  *
- * @param array $params
+ * @param CommonGLPI $item Object on which to display the tab
+ * @param integer $tabnum Tab number
+ * @param integer $withtemplate
+ * @return boolean
+ */
+function plugin_soc_displayTabContentForItem(CommonGLPI $item, $tabnum = 1, $withtemplate = 0) {
+   if ($withtemplate) {
+      return false;
+   }
+   
+   switch ($item->getType()) {
+      case 'Ticket':
+         $case_ticket = new PluginSocCaseTicket();
+         $case_ticket->showForTicket($item);
+         return true;
+         
+      case 'Change':
+         $case_change = new PluginSocCaseChange();
+         $case_change->showForChange($item);
+         return true;
+   }
+   
+   return false;
+}
+
+/**
+ * Hook to define additional search options for types
+ *
+ * @param string $itemtype Item type
  * @return array
  */
 function plugin_soc_getAddSearchOptions($itemtype) {
@@ -58,6 +165,27 @@ function plugin_soc_getAddSearchOptions($itemtype) {
          'table'      => 'glpi_plugin_soc_cases',
          'field'      => 'name',
          'name'       => __('SOC Case', 'soc'),
+         'datatype'   => 'itemlink',
+         'itemlink_type' => 'PluginSocCase',
+         'massiveaction' => false,
+         'joinparams' => [
+            'beforejoin' => [
+               'table'      => $itemtype == 'Ticket' ? 'glpi_plugin_soc_case_tickets' : 'glpi_plugin_soc_case_changes',
+               'joinparams' => [
+                  'jointype' => 'itemtype_item',
+                  'specific_itemtype' => $itemtype
+               ]
+            ]
+         ]
+      ];
+      
+      $options[9001] = [
+         'table'      => 'glpi_plugin_soc_cases',
+         'field'      => 'severity',
+         'name'       => __('SOC Case Severity', 'soc'),
+         'datatype'   => 'specific',
+         'searchtype' => ['equals', 'notequals'],
+         'massiveaction' => false,
          'joinparams' => [
             'beforejoin' => [
                'table'      => $itemtype == 'Ticket' ? 'glpi_plugin_soc_case_tickets' : 'glpi_plugin_soc_case_changes',
@@ -71,4 +199,170 @@ function plugin_soc_getAddSearchOptions($itemtype) {
    }
    
    return $options;
+}
+
+/**
+ * Hook to add cron tasks
+ *
+ * @return array
+ */
+function plugin_soc_cron_info() {
+   return [
+      'soc' => [
+         'description'   => __('Auto-close SOC cases', 'soc'),
+         'parameter'     => __('Delay in days', 'soc'),
+         'state'         => CronTask::STATE_WAITING,
+         'mode'          => CronTask::MODE_EXTERNAL,
+         'frequency'     => DAY_TIMESTAMP,
+      ]
+   ];
+}
+
+/**
+ * Execute cron task
+ *
+ * @param CronTask $task CronTask object
+ * @return integer
+ */
+function plugin_soc_cronSoc(CronTask $task) {
+   global $DB;
+   
+   // Get autoclose delay from config
+   $config = PluginSocConfig::getConfig();
+   $delay = $config['autoclose_delay'];
+   
+   if ($delay <= 0) {
+      // Auto-closing is disabled
+      $task->log(__('Auto-closing SOC cases is disabled in plugin configuration.', 'soc'));
+      return 0;
+   }
+   
+   $time_limit = date('Y-m-d H:i:s', strtotime("-$delay days"));
+   
+   // Find resolved cases older than the delay
+   $cases = $DB->request([
+      'FROM'   => 'glpi_plugin_soc_cases',
+      'WHERE'  => [
+         'status'      => PluginSocCase::STATUS_RESOLVED,
+         'date_mod'    => ['<', $time_limit],
+         'is_deleted'  => 0
+      ]
+   ]);
+   
+   $count = 0;
+   foreach ($cases as $case_data) {
+      $case = new PluginSocCase();
+      $case->getFromDB($case_data['id']);
+      
+      // Update status to closed
+      $case->update([
+         'id'     => $case_data['id'],
+         'status' => PluginSocCase::STATUS_CLOSED
+      ]);
+      
+      $task->addVolume(1);
+      $count++;
+   }
+   
+   $task->log(sprintf(__('Closed %d SOC cases.', 'soc'), $count));
+   
+   return ($count > 0) ? 1 : 0;
+}
+
+/**
+ * Hook for database relations
+ *
+ * @return array
+ */
+function plugin_soc_getDatabaseRelations() {
+   return [
+      'glpi_entities' => [
+         'glpi_plugin_soc_cases' => 'entities_id'
+      ],
+      'glpi_users' => [
+         'glpi_plugin_soc_cases' => 'users_id_tech'
+      ],
+      'glpi_groups' => [
+         'glpi_plugin_soc_cases' => 'groups_id_tech'
+      ],
+      'glpi_tickets' => [
+         'glpi_plugin_soc_case_tickets' => 'tickets_id'
+      ],
+      'glpi_changes' => [
+         'glpi_plugin_soc_case_changes' => 'changes_id'
+      ],
+      'glpi_plugin_soc_cases' => [
+         'glpi_plugin_soc_case_tickets' => 'plugin_soc_cases_id',
+         'glpi_plugin_soc_case_changes' => 'plugin_soc_cases_id'
+      ]
+   ];
+}
+
+/**
+ * Hook for headings (used in massive actions)
+ *
+ * @param string $type Item type
+ * @return array
+ */
+function plugin_soc_getHaveItemtype($type) {
+   switch ($type) {
+      case 'PluginSocCase':
+         return ['Ticket' => PluginSocCase::getTypeName(Session::getPluralNumber()),
+                'Change' => PluginSocCase::getTypeName(Session::getPluralNumber())];
+   }
+   
+   return [];
+}
+
+/**
+ * Hook for massive actions
+ *
+ * @param string $type Item type
+ * @return array
+ */
+function plugin_soc_getMassiveActions($type) {
+   switch ($type) {
+      case 'Ticket':
+         return [
+            'PluginSocCase:add_to_case' => __('Add to SOC case', 'soc'),
+            'PluginSocCase:create_from_ticket' => __('Create SOC case from ticket', 'soc')
+         ];
+         
+      case 'Change':
+         return [
+            'PluginSocCase:add_to_case' => __('Add to SOC case', 'soc'),
+            'PluginSocCase:create_from_change' => __('Create SOC case from change', 'soc')
+         ];
+   }
+   
+   return [];
+}
+
+/**
+ * Define dropdown tables
+ *
+ * @return array
+ */
+function plugin_soc_getDropdowns() {
+   return [
+      PluginSocCase::getTypeName(Session::getPluralNumber()) => [
+         'table'     => 'glpi_plugin_soc_cases',
+         'title'     => PluginSocCase::getTypeName(Session::getPluralNumber()),
+         'field'     => 'name',
+         'linkfield' => '',
+      ],
+   ];
+}
+
+/**
+ * Add event to notifications
+ *
+ * @return array
+ */
+function plugin_soc_getEvents() {
+   return [
+      'new_soc_case' => __('New SOC case', 'soc'),
+      'update_soc_case' => __('SOC case updated', 'soc'),
+      'close_soc_case' => __('SOC case closed', 'soc'),
+   ];
 }
\ No newline at end of file
diff --git a/inc/casechange.class.php b/inc/casechange.class.php
index 774825f..91d6adc 100644
--- a/inc/casechange.class.php
+++ b/inc/casechange.class.php
@@ -77,4 +77,101 @@ class PluginSocCaseChange extends CommonDBRelation {
       
       return $iterator;
    }
+   
+   /**
+    * Show cases for a change
+    *
+    * @param Change $change
+    * @return void
+    */
+   function showForChange(Change $change) {
+      global $DB;
+      
+      $change_id = $change->getID();
+      
+      if (!$change->can($change_id, READ)) {
+         return false;
+      }
+      
+      $cases = self::getCasesForChange($change_id);
+      $nb = count($cases);
+      
+      echo "<div class='spaced'>";
+      
+      if ($nb > 0) {
+         echo "<table class='tab_cadre_fixehov'>";
+         
+         $header = "<tr>";
+         $header .= "<th>" . __('Name') . "</th>";
+         $header .= "<th>" . __('Status') . "</th>";
+         $header .= "<th>" . __('Severity', 'soc') . "</th>";
+         $header .= "<th>" . __('Creation date') . "</th>";
+         $header .= "</tr>";
+         
+         echo $header;
+         
+         foreach ($cases as $data) {
+            $case = new PluginSocCase();
+            $case->getFromDB($data['id']);
+            
+            echo "<tr class='tab_bg_1'>";
+            echo "<td><a href='".Plugin::getWebDir('soc')."/front/case.form.php?id=".$data['id']."'>".$data['name']."</a></td>";
+            echo "<td><span class='soc-status soc-status-".$data['status']."'>".$case->getStatusOptions()[$data['status']]."</span></td>";
+            echo "<td><span class='soc-severity soc-severity-".$data['severity']."'>".$case->getSeverityOptions()[$data['severity']]."</span></td>";
+            echo "<td>".Html::convDateTime($data['date_creation'])."</td>";
+            echo "</tr>";
+         }
+         
+         echo "</table>";
+      } else {
+         echo "<p class='center'>".__('No SOC case associated with this change', 'soc')."</p>";
+      }
+      
+      // If user has rights to create cases
+      if (Session::haveRight('plugin_soc_case', CREATE)) {
+         echo "<div class='center'>";
+         echo "<a href='".Plugin::getWebDir('soc')."/front/case.form.php?changes_id=".$change_id."' class='submit'>";
+         echo __('Create SOC case from this change', 'soc');
+         echo "</a>";
+         echo "</div>";
+      }
+      
+      echo "</div>";
+   }
+   
+   /**
+    * Show form for linking a change to a case
+    *
+    * @param integer $cases_id
+    * @param array $options
+    * @return void
+    */
+   function showFormForCase($cases_id, $options = []) {
+      global $CFG_GLPI;
+      
+      $case = new PluginSocCase();
+      $case->getFromDB($cases_id);
+      
+      echo "<form method='post' action='".Plugin::getWebDir('soc')."/front/case.form.php'>";
+      echo "<div class='spaced'>";
+      echo "<table class='tab_cadre_fixe'>";
+      echo "<tr class='tab_bg_2'><th colspan='2'>".__('Link a change to this case', 'soc')."</th></tr>";
+      
+      echo "<tr class='tab_bg_1'><td class='right'>".__('Change')."</td>";
+      echo "<td class='left'>";
+      
+      Change::dropdown(['name' => 'changes_id', 'entity' => $case->fields['entities_id']]);
+      
+      echo "</td></tr>";
+      
+      echo "<tr class='tab_bg_1'>";
+      echo "<td class='center' colspan='2'>";
+      echo "<input type='hidden' name='plugin_soc_cases_id' value='$cases_id'>";
+      echo "<input type='submit' name='add_change' value=\""._sx('button', 'Add')."\" class='submit'>";
+      echo "</td></tr>";
+      
+      echo "</table>";
+      echo "</div>";
+      Html::closeForm();
+   }
 }
\ No newline at end of file
diff --git a/inc/caseticket.class.php b/inc/caseticket.class.php
index 68b83c3..bcb1faa 100644
--- a/inc/caseticket.class.php
+++ b/inc/caseticket.class.php
@@ -77,4 +77,101 @@ class PluginSocCaseTicket extends CommonDBRelation {
       
       return $iterator;
    }
+   
+   /**
+    * Show cases for a ticket
+    *
+    * @param Ticket $ticket
+    * @return void
+    */
+   function showForTicket(Ticket $ticket) {
+      global $DB;
+      
+      $ticket_id = $ticket->getID();
+      
+      if (!$ticket->can($ticket_id, READ)) {
+         return false;
+      }
+      
+      $cases = self::getCasesForTicket($ticket_id);
+      $nb = count($cases);
+      
+      echo "<div class='spaced'>";
+      
+      if ($nb > 0) {
+         echo "<table class='tab_cadre_fixehov'>";
+         
+         $header = "<tr>";
+         $header .= "<th>" . __('Name') . "</th>";
+         $header .= "<th>" . __('Status') . "</th>";
+         $header .= "<th>" . __('Severity', 'soc') . "</th>";
+         $header .= "<th>" . __('Creation date') . "</th>";
+         $header .= "</tr>";
+         
+         echo $header;
+         
+         foreach ($cases as $data) {
+            $case = new PluginSocCase();
+            $case->getFromDB($data['id']);
+            
+            echo "<tr class='tab_bg_1'>";
+            echo "<td><a href='".Plugin::getWebDir('soc')."/front/case.form.php?id=".$data['id']."'>".$data['name']."</a></td>";
+            echo "<td><span class='soc-status soc-status-".$data['status']."'>".$case->getStatusOptions()[$data['status']]."</span></td>";
+            echo "<td><span class='soc-severity soc-severity-".$data['severity']."'>".$case->getSeverityOptions()[$data['severity']]."</span></td>";
+            echo "<td>".Html::convDateTime($data['date_creation'])."</td>";
+            echo "</tr>";
+         }
+         
+         echo "</table>";
+      } else {
+         echo "<p class='center'>".__('No SOC case associated with this ticket', 'soc')."</p>";
+      }
+      
+      // If user has rights to create cases
+      if (Session::haveRight('plugin_soc_case', CREATE)) {
+         echo "<div class='center'>";
+         echo "<a href='".Plugin::getWebDir('soc')."/front/case.form.php?tickets_id=".$ticket_id."' class='submit'>";
+         echo __('Create SOC case from this ticket', 'soc');
+         echo "</a>";
+         echo "</div>";
+      }
+      
+      echo "</div>";
+   }
+   
+   /**
+    * Show form for linking a ticket to a case
+    *
+    * @param integer $cases_id
+    * @param array $options
+    * @return void
+    */
+   function showFormForCase($cases_id, $options = []) {
+      global $CFG_GLPI;
+      
+      $case = new PluginSocCase();
+      $case->getFromDB($cases_id);
+      
+      echo "<form method='post' action='".Plugin::getWebDir('soc')."/front/case.form.php'>";
+      echo "<div class='spaced'>";
+      echo "<table class='tab_cadre_fixe'>";
+      echo "<tr class='tab_bg_2'><th colspan='2'>".__('Link a ticket to this case', 'soc')."</th></tr>";
+      
+      echo "<tr class='tab_bg_1'><td class='right'>".__('Ticket')."</td>";
+      echo "<td class='left'>";
+      
+      Ticket::dropdown(['name' => 'tickets_id', 'entity' => $case->fields['entities_id']]);
+      
+      echo "</td></tr>";
+      
+      echo "<tr class='tab_bg_1'>";
+      echo "<td class='center' colspan='2'>";
+      echo "<input type='hidden' name='plugin_soc_cases_id' value='$cases_id'>";
+      echo "<input type='submit' name='add_ticket' value=\""._sx('button', 'Add')."\" class='submit'>";
+      echo "</td></tr>";
+      
+      echo "</table>";
+      echo "</div>";
+      Html::closeForm();
+   }
 }
\ No newline at end of file
diff --git a/inc/plugin_init_translations.php b/inc/plugin_init_translations.php
new file mode 100644
index 0000000..17b4876
--- /dev/null
+++ b/inc/plugin_init_translations.php
@@ -0,0 +1,17 @@
+<?php
+/**
+ * Initialize plugin translations
+ * 
+ * @return void
+ */
+function plugin_init_soc_translations() {
+   global $CFG_GLPI;
+   
+   $domain = 'soc';
+   $locale_dir = GLPI_ROOT . '/plugins/soc/locales/';
+   
+   if (file_exists($locale_dir)) {
+      // Load plugin translations
+      $GLOBALS['LANG']->addTranslationFile('gettext', $locale_dir, $domain, $_SESSION['glpilanguage']);
+   }
+}
\ No newline at end of file
diff --git a/setup.php b/setup.php
index e6b8974..57ad92d 100644
--- a/setup.php
+++ b/setup.php
@@ -65,35 +65,51 @@ function plugin_init_soc() {
    global $PLUGIN_HOOKS;
 
    $PLUGIN_HOOKS['csrf_compliant']['soc'] = true;
-   $PLUGIN_HOOKS['menu_toadd']['soc'] = ['management' => 'PluginSocCase'];
+   
+   // Add JavaScript and CSS
    $PLUGIN_HOOKS['javascript']['soc'] = ['plugins/soc/js/soc.js'];
    $PLUGIN_HOOKS['add_css']['soc'] = ['plugins/soc/css/soc.css'];
    
    // Initialize translations
+   include_once(GLPI_ROOT . '/plugins/soc/inc/plugin_init_translations.php');
+   $PLUGIN_HOOKS['init_translations']['soc'] = 'plugin_init_soc_translations';
+   
+   // Register plugin classes
    Plugin::registerClass('PluginSocCase');
-
+   Plugin::registerClass('PluginSocProfile', ['addtabtypes' => ['Profile']]);
+   
+   // Add menu items
    if (Session::haveRight('plugin_soc_case', READ)) {
       $PLUGIN_HOOKS['menu_toadd']['soc'] = ['management' => 'PluginSocCase'];
    }
 
    // Add a tab to Changes
    if (Session::haveRight('change', READ)) {
-      Plugin::registerClass('PluginSocCase', [
-         'addtabtypes' => ['Change']
-      ]);
+      $PLUGIN_HOOKS['add_tab']['soc'] = [
+         'Change' => 'PluginSocCase',
+      ];
    }
 
    // Add a tab to Tickets
    if (Session::haveRight('ticket', READ)) {
-      Plugin::registerClass('PluginSocCase', [
-         'addtabtypes' => ['Ticket']
-      ]);
+      $PLUGIN_HOOKS['add_tab']['soc'] = [
+         'Ticket' => 'PluginSocCase',
+      ];
    }
    
    // Add config page
    if (Session::haveRight('config', UPDATE)) {
       $PLUGIN_HOOKS['config_page']['soc'] = 'front/config.form.php';
    }
+   
+   // Hook for item actions
+   $PLUGIN_HOOKS['item_add']['soc'] = ['*' => 'plugin_soc_item_add'];
+   $PLUGIN_HOOKS['item_update']['soc'] = ['*' => 'plugin_soc_item_update'];
+   $PLUGIN_HOOKS['item_delete']['soc'] = ['*' => 'plugin_soc_item_delete'];
+   $PLUGIN_HOOKS['item_purge']['soc'] = ['*' => 'plugin_soc_item_purge'];
+   
+   // Display hooks
+   $PLUGIN_HOOKS['post_item_form']['soc'] = ['PluginSocCase', 'displayTabContentForItem'];
 }
 
 /**