feat: per-client "no diagnosis" option for GebüH invoices

app/my_practice/admin.py

@@ -299,7 +299,15 @@ class ClientAdmin(admin.ModelAdmin):
         ),
         (
             gettext_lazy("Additional"),
-            {"fields": ("notes", "active", "is_online_client", "needs_gebueh_invoice")},
+            {
+                "fields": (
+                    "notes",
+                    "active",
+                    "is_online_client",
+                    "needs_gebueh_invoice",
+                    "gebueh_no_diagnosis",
+                )
+            },
         ),
         (
             gettext_lazy("Timestamps"),

app/my_practice/forms.py

@@ -71,6 +71,7 @@ class Meta:
             "active",
             "is_online_client",
             "needs_gebueh_invoice",
+            "gebueh_no_diagnosis",
             "hourly_rate_60",
             "hourly_rate_90",
             "notes",
@@ -105,6 +106,7 @@ class Meta:
             "active": _("Active client"),
             "is_online_client": _("Online client (video sessions)"),
             "needs_gebueh_invoice": _("GebüH-Abrechnung"),
+            "gebueh_no_diagnosis": _("No diagnosis on invoice"),
             "hourly_rate_60": _("Fee 60 min (€)"),
             "hourly_rate_90": _("Fee 90 min (€)"),
             "notes": _("Notes"),

app/my_practice/migrations/0019_gebueh_no_diagnosis.py

@@ -0,0 +1,21 @@
+# Generated by Django 6.0.7 on 2026-07-30 10:35
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("my_practice", "0018_remove_practicetodo_is_focus"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="client",
+            name="gebueh_no_diagnosis",
+            field=models.BooleanField(
+                default=False,
+                help_text="Omit the diagnosis line from GebüH invoices for this client",
+                verbose_name="No diagnosis on invoice",
+            ),
+        ),
+    ]

app/my_practice/models/client.py

@@ -185,6 +185,11 @@ class Language(StrEnum):
         verbose_name=_("GebüH-Rechnung"),
         help_text=_("GebüH-Ziffern und Diagnose auf der Rechnung ausweisen (PKV / Beihilfe)"),
     )
+    gebueh_no_diagnosis = models.BooleanField(
+        default=False,
+        verbose_name=_("No diagnosis on invoice"),
+        help_text=_("Omit the diagnosis line from GebüH invoices for this client"),
+    )
     is_online_client = models.BooleanField(
         default=False,
         verbose_name=_("Online client"),

app/my_practice/tests/test_gebueh.py

@@ -503,6 +503,17 @@ def test_gebueh_gesamt_total_hidden_when_no_leistungen(self):
         html = self._render()
         self.assertNotIn("GebüH gesamt", html)
 
+    def test_diagnosis_line_shown_by_default(self):
+        html = self._render()
+        self.assertIn("gebueh-diagnose", html)
+        self.assertIn("Probatorik", html)
+
+    def test_diagnosis_line_hidden_when_gebueh_no_diagnosis_set(self):
+        self.client_obj.gebueh_no_diagnosis = True
+        self.client_obj.save()
+        html = self._render()
+        self.assertNotIn("gebueh-diagnose", html)
+
 
 class GebuhInvoiceDetailViewTest(TestCase):
     """Tests the tightened GebüH block on the web invoice_detail.html view:

app/templates/my_practice/client_intake.html

@@ -68,6 +68,15 @@
         </div>
     </div>
 
+    <div class="form-group">
+        {{ form.gebueh_no_diagnosis.label_tag }}
+        {{ form.gebueh_no_diagnosis }}
+        {{ form.gebueh_no_diagnosis.errors }}
+        <div class="helptext">
+            {% trans "Omit the diagnosis line from this client's GebüH invoices." %}
+        </div>
+    </div>
+
     <div class="form-group">
         {{ form.full_name.label_tag }}
         {{ form.full_name }}

app/templates/my_practice/invoice_detail.html

@@ -88,7 +88,7 @@ <h3 class="mb-2">📋 {% trans "Line items" %}</h3>
     </thead>
     <tbody>
         {% if gebueh_blocks %}
-        {% if arbeitsdiagnose %}
+        {% if arbeitsdiagnose and not invoice.client.gebueh_no_diagnosis %}
         <tr>
             <td colspan="5" class="text-secondary italic">
                 {% trans "Diagnosis" %}: {{ arbeitsdiagnose }}

app/templates/my_practice/invoice_pdf_de.html

@@ -46,11 +46,13 @@ <h1>Rechnung</h1>
 
 <!-- Line items -->
 {% if invoice.client.needs_gebueh_invoice and gebueh_blocks %}
+{% if not invoice.client.gebueh_no_diagnosis %}
 {% if arbeitsdiagnose %}
 <div class="gebueh-diagnose"><strong>Diagnose:</strong> {{ arbeitsdiagnose }}</div>
 {% else %}
 <div class="gebueh-diagnose"><strong>Diagnose:</strong> Probatorik</div>
 {% endif %}
+{% endif %}
 <table class="items">
   <thead>
     <tr>

app/templates/my_practice/invoice_pdf_en.html

@@ -46,11 +46,13 @@ <h1>Invoice</h1>
 
 <!-- Line items -->
 {% if invoice.client.needs_gebueh_invoice and gebueh_blocks %}
+{% if not invoice.client.gebueh_no_diagnosis %}
 {% if arbeitsdiagnose %}
 <div class="gebueh-diagnose"><strong>Diagnosis:</strong> {{ arbeitsdiagnose }}</div>
 {% else %}
 <div class="gebueh-diagnose"><strong>Diagnosis:</strong> Probatory phase</div>
 {% endif %}
+{% endif %}
 <table class="items">
   <thead>
     <tr>