diff --git a/README.md b/README.md
index c9e2e9c..efdef4d 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@ Habit Tracker ist eine PHP-Webanwendung, mit der Benutzer eigene Gewohnheiten an
 - Habits erstellen, bearbeiten, loeschen und fuer heute abhaken
 - Kategorien und Statusfilter im Dashboard
 - Tagesprotokoll ueber `habit_logs`
+- Wochenfortschritt im Dashboard gegen das persoenliche Wochenziel
 - Responsive Oberflaeche fuer Desktop und Smartphone
 - Serverseitige Validierung und klare Fehlermeldungen
 - Schutz gegen SQL-Injection durch PDO Prepared Statements
@@ -67,8 +68,9 @@ Die Datenbank besteht aus 5 Tabellen:
 3. Habit mit Kategorie und Wochenziel erstellen.
 4. Habit im Dashboard filtern.
 5. Habit fuer heute abhaken.
-6. Habit bearbeiten und loeschen.
-7. Seite auf Smartphone-Breite pruefen.
+6. Wochenfortschritt im Dashboard kontrollieren.
+7. Habit bearbeiten und loeschen.
+8. Seite auf Smartphone-Breite pruefen.
 
 ## Bewertungsbezug
 
diff --git a/app/Controllers/HabitController.php b/app/Controllers/HabitController.php
index 3db81a5..1a0efef 100644
--- a/app/Controllers/HabitController.php
+++ b/app/Controllers/HabitController.php
@@ -119,6 +119,16 @@ class HabitController
 
         if ($title === '') {
             $errors['title'] = 'Bitte gib einen Namen fuer den Habit ein.';
+        } elseif (mb_strlen($title) > 120) {
+            $errors['title'] = 'Der Name darf maximal 120 Zeichen lang sein.';
+        }
+
+        if (mb_strlen($description) > 1000) {
+            $errors['description'] = 'Die Beschreibung darf maximal 1000 Zeichen lang sein.';
+        }
+
+        if ($categoryId !== '' && !Category::exists((int) $categoryId)) {
+            $errors['category_id'] = 'Bitte waehle eine gueltige Kategorie aus.';
         }
 
         if ($targetPerWeek < 1 || $targetPerWeek > 7) {
@@ -134,4 +144,3 @@ class HabitController
         ];
     }
 }
-
diff --git a/app/Models/Category.php b/app/Models/Category.php
index 8982b81..c984432 100644
--- a/app/Models/Category.php
+++ b/app/Models/Category.php
@@ -1,4 +1,4 @@
-<?php
+<?php
 
 class Category
 {
@@ -8,4 +8,12 @@ class Category
             ->query('SELECT id, name, color FROM categories ORDER BY name')
             ->fetchAll();
     }
+
+    public static function exists(int $id): bool
+    {
+        $statement = Database::connection()->prepare('SELECT id FROM categories WHERE id = :id LIMIT 1');
+        $statement->execute(['id' => $id]);
+
+        return (bool) $statement->fetch();
+    }
 }
diff --git a/app/Models/Habit.php b/app/Models/Habit.php
index 77808ec..53f0289 100644
--- a/app/Models/Habit.php
+++ b/app/Models/Habit.php
@@ -1,4 +1,4 @@
-<?php
+<?php
 
 class Habit
 {
@@ -19,7 +19,11 @@ class Habit
         }
 
         $sql = 'SELECT h.*, c.name AS category_name, c.color AS category_color,
-                    CASE WHEN hl.id IS NULL THEN 0 ELSE 1 END AS done_today
+                    CASE WHEN hl.id IS NULL THEN 0 ELSE 1 END AS done_today,
+                    (SELECT COUNT(*)
+                     FROM habit_logs hwl
+                     WHERE hwl.habit_id = h.id
+                     AND YEARWEEK(hwl.completed_on, 1) = YEARWEEK(CURRENT_DATE, 1)) AS completed_this_week
                 FROM habits h
                 LEFT JOIN categories c ON c.id = h.category_id
                 LEFT JOIN habit_logs hl
diff --git a/app/Views/habits/dashboard.php b/app/Views/habits/dashboard.php
index b70688f..6504bcd 100644
--- a/app/Views/habits/dashboard.php
+++ b/app/Views/habits/dashboard.php
@@ -43,7 +43,7 @@
                     <p><?= e($habit['description']) ?></p>
                     <small>
                         <?= e($habit['category_name'] ?? 'Ohne Kategorie') ?> |
-                        Ziel: <?= (int) $habit['target_per_week'] ?>x pro Woche
+                        Woche: <?= (int) $habit['completed_this_week'] ?> / <?= (int) $habit['target_per_week'] ?> erledigt
                     </small>
                 </div>
             </div>
@@ -64,4 +64,3 @@
         </article>
     <?php endforeach; ?>
 </section>
-
diff --git a/app/Views/habits/form.php b/app/Views/habits/form.php
index f12b11c..6b6ac43 100644
--- a/app/Views/habits/form.php
+++ b/app/Views/habits/form.php
@@ -14,6 +14,7 @@
             id="title"
             name="title"
             type="text"
+            maxlength="120"
             class="<?= !empty($errors['title']) ? 'input-error' : '' ?>"
             value="<?= e($habit['title'] ?? '') ?>"
             required
@@ -24,10 +25,13 @@
         <?php endif; ?>
 
         <label for="description">Beschreibung <span>optional</span></label>
-        <textarea id="description" name="description" rows="4"><?= e($habit['description'] ?? '') ?></textarea>
+        <textarea id="description" name="description" rows="4" maxlength="1000"><?= e($habit['description'] ?? '') ?></textarea>
+        <?php if (!empty($errors['description'])): ?>
+            <small class="field-error"><?= e($errors['description']) ?></small>
+        <?php endif; ?>
 
         <label for="category_id">Kategorie</label>
-        <select id="category_id" name="category_id">
+        <select id="category_id" name="category_id" class="<?= !empty($errors['category_id']) ? 'input-error' : '' ?>">
             <option value="">Keine Kategorie</option>
             <?php foreach ($categories as $category): ?>
                 <option value="<?= (int) $category['id'] ?>" <?= (string) ($habit['category_id'] ?? '') === (string) $category['id'] ? 'selected' : '' ?>>
@@ -35,6 +39,9 @@
                 </option>
             <?php endforeach; ?>
         </select>
+        <?php if (!empty($errors['category_id'])): ?>
+            <small class="field-error"><?= e($errors['category_id']) ?></small>
+        <?php endif; ?>
 
         <label for="target_per_week">Ziel pro Woche</label>
         <input
@@ -55,4 +62,3 @@
         <button type="submit"><?= $isEdit ? 'Speichern' : 'Erstellen' ?></button>
     </form>
 </section>
-