feat: Armarium v1.1.0 — dashboard, auth, 2FA, SMTP, settings, deploy

Dashboard:
- ApexCharts bar chart (income vs fixed costs vs expenses) and donut chart
- KPI cards: income, fixed costs, savings rate with configurable goal
- Greeting with time-of-day and locale-aware date/time display

Authentication & security:
- Email-based login (no username), case-insensitive lookup
- JWT access/refresh tokens with rotation and blacklist
- TOTP 2FA with QR code, backup codes (copy + PDF export)
- 2FA recovery via email code
- Cloudflare Turnstile CAPTCHA on login and register

Email flows:
- Email verification on registration (24h token)
- Password reset flow (15min token, anti-enumeration)
- Brevo SMTP integration with HTML + plaintext email templates
- Notification emails: 2FA recovery, password changed, email changed

Settings page:
- 2FA management (enable/disable, QR, backup codes)
- Active sessions list with per-device revoke
- Data export: ZIP with 6 PDFs via fpdf2
- Notification preferences (3 toggles)
- Danger zone: account deletion with mandatory export + confirmation phrase

UI & layout:
- Sidebar with collapsible/flyout mode, Angular signal-based dropdowns
- Dark mode (class-based), language switcher (DE/FR/IT/EN)
- Mobile-responsive layout with touch-friendly targets
- Roboto font via @fontsource (GDPR-compliant, no Google CDN)
- Pure Tailwind CSS v3

Infrastructure:
- Forgejo Actions CI/CD pipeline (auto-deploy on push to main)
- Gunicorn + Nginx + PostgreSQL production setup
- Rate limiting, HSTS, secure cookies, CSRF protection

backend/finance/migrations/0010_add_calendar_fields.py

@@ -0,0 +1,37 @@
+# Generated by Django 6.0.3 on 2026-03-24 20:57
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('finance', '0009_add_user_fk'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='expense',
+            name='due_date',
+            field=models.DateField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name='profile',
+            name='canton',
+            field=models.CharField(choices=[('AG', 'Aargau'), ('AI', 'Appenzell Innerrhoden'), ('AR', 'Appenzell Ausserrhoden'), ('BE', 'Bern'), ('BL', 'Basel-Landschaft'), ('BS', 'Basel-Stadt'), ('FR', 'Fribourg'), ('GE', 'Geneva'), ('GL', 'Glarus'), ('GR', 'Graubünden'), ('JU', 'Jura'), ('LU', 'Lucerne'), ('NE', 'Neuchâtel'), ('NW', 'Nidwalden'), ('OW', 'Obwalden'), ('SG', 'St. Gallen'), ('SH', 'Schaffhausen'), ('SO', 'Solothurn'), ('SZ', 'Schwyz'), ('TG', 'Thurgau'), ('TI', 'Ticino'), ('UR', 'Uri'), ('VD', 'Vaud'), ('VS', 'Valais'), ('ZG', 'Zug'), ('ZH', 'Zurich')], default='ZH', max_length=2),
+        ),
+        migrations.CreateModel(
+            name='Deadline',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=200)),
+                ('date', models.DateField()),
+                ('type', models.CharField(choices=[('tax', 'Tax'), ('insurance', 'Insurance'), ('invoice', 'Invoice'), ('personal', 'Personal'), ('other', 'Other')], default='other', max_length=20)),
+                ('notes', models.TextField(blank=True, default='')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='deadlines', to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]