feat: Add story points support and AI daily briefing feature

- Enhanced JIRA integration to fetch story points from multiple custom fields.
- Updated task display to show story points and their estimated duration.
- Introduced AI daily briefing banner with dynamic content loading.
- Implemented subtasks functionality with add, toggle, and delete capabilities.
- Improved task management UI with better accessibility and interaction.

api/ai.php

@@ -205,6 +205,99 @@ try {
         exit;
     }
 
+    // 5. Persoonlijke AI Dagbriefing genereren
+    if ($action === 'daily_briefing') {
+        $data = json_decode(file_get_contents('php://input'), true);
+        $date = !empty($data['date']) ? trim($data['date']) : date('Y-m-d');
+        $today = date('Y-m-d');
+
+        // Haal openstaande taken van vandaag op
+        $stmtPlan = $db->prepare("SELECT id FROM daily_plans WHERE user_id = ? AND plan_date = ?");
+        $stmtPlan->execute([$user['id'], $date]);
+        $planId = $stmtPlan->fetchColumn();
+
+        $isToday = ($date === $today);
+        $taskFilter = $planId
+            ? "t.daily_plan_id = " . (int)$planId . ($isToday ? " OR t.daily_plan_id IS NULL" : "")
+            : ($isToday ? "t.daily_plan_id IS NULL" : "1=0");
+
+        $tasks = $db->query("
+            SELECT id, title, priority, time_block_start, duration_minutes
+            FROM tasks
+            WHERE user_id = {$user['id']} AND is_completed = 0 AND ({$taskFilter})
+            ORDER BY priority ASC, time_block_start ASC
+            LIMIT 15
+        ")->fetchAll();
+
+        // Haal gisteren niet-voltooide taken op
+        $yesterday = date('Y-m-d', strtotime('-1 day', strtotime($date)));
+        $stmtYest = $db->prepare("SELECT id FROM daily_plans WHERE user_id = ? AND plan_date = ?");
+        $stmtYest->execute([$user['id'], $yesterday]);
+        $yesterdayPlanId = $stmtYest->fetchColumn();
+        $unfinishedYest = [];
+        if ($yesterdayPlanId) {
+            $stmtUnf = $db->prepare("
+                SELECT title FROM tasks
+                WHERE user_id = ? AND daily_plan_id = ? AND is_completed = 0
+                LIMIT 5
+            ");
+            $stmtUnf->execute([$user['id'], $yesterdayPlanId]);
+            $unfinishedYest = $stmtUnf->fetchAll();
+        }
+
+        // Haal Outlook meetings op als beschikbaar
+        $meetings = [];
+        try {
+            require_once __DIR__ . '/../includes/integrations/microsoft.php';
+            $meetings = microsoft_fetch_today_events($user['id'], $date);
+        } catch (Throwable $e) {
+            // meetings niet beschikbaar, geen probleem
+        }
+
+        // Haal urgente Jira tickets op als beschikbaar
+        $jiraIssues = [];
+        try {
+            require_once __DIR__ . '/../includes/integrations/jira.php';
+            $jiraData = jira_get_dashboard_data($user['id'], false);
+            $jiraIssues = array_merge(
+                $jiraData['assigned_issues'] ?? [],
+                $jiraData['team_issues'] ?? []
+            );
+        } catch (Throwable $e) {
+            // Jira niet beschikbaar, geen probleem
+        }
+
+        $aiSettings = get_ai_settings();
+        if (empty($aiSettings['ai_enabled']) || empty($aiSettings['has_key'])) {
+            echo json_encode(['error' => 'AI Co-Pilot is niet geconfigureerd']);
+            exit;
+        }
+
+        $aiRes = fociz_ai_daily_briefing(
+            $user['name'] ?? 'Jij',
+            $date,
+            $tasks,
+            $meetings,
+            $jiraIssues,
+            $unfinishedYest
+        );
+
+        if (!$aiRes['success']) {
+            echo json_encode(['error' => $aiRes['error']]);
+            exit;
+        }
+
+        echo json_encode([
+            'success'    => true,
+            'greeting'   => $aiRes['greeting'],
+            'focus_task' => $aiRes['focus_task'],
+            'tip'        => $aiRes['tip'],
+            'warnings'   => $aiRes['warnings'],
+            'date'       => $date,
+        ]);
+        exit;
+    }
+
     echo json_encode(['error' => 'Onbekende actie']);
 } catch (Exception $e) {
     http_response_code(500);