fix: avoid synthetic savings category template crash

app/planning/routes.py

@@ -177,6 +177,13 @@ def _community_account_totals(month, previous_month, community_accounts, budget_
     return cards
 
 
+def _resolve_distribution_direct_entry(entry_rows: list[dict]) -> dict | None:
+    return next(
+        (entry_row for entry_row in entry_rows if entry_row["entry"].is_allocation_target),
+        entry_rows[0] if entry_rows else None,
+    )
+
+
 def _distribution_hint_map(allocation_service, month, summary, allocations_by_slug, suggestions_by_slug) -> dict[str, dict]:
     result = {}
     return {
@@ -340,7 +347,9 @@ def detail(label: str):
                     "distribution_kind": "single" if account.slug in {"sparen", "urlaub", "freizeit"} else None,
                     "distribution_suggestion_total": suggestion_total,
                     "distribution_hint": distribution_hints.get(account.slug),
-                    "direct_entry": next(
+                    "direct_entry": _resolve_distribution_direct_entry(entry_rows)
+                    if account.slug in {"sparen", "urlaub", "freizeit"}
+                    else next(
                         (entry_row for entry_row in entry_rows if entry_row["entry"].is_allocation_target),
                         None,
                     ),
@@ -348,6 +357,8 @@ def detail(label: str):
                 }
             )
         if account.slug in {"sparen", "urlaub", "freizeit"}:
+            flattened_entries = [entry for category_card in category_cards for entry in category_card["entries"]]
+            direct_entry = _resolve_distribution_direct_entry(flattened_entries)
             distribution_bucket["categories"].append(
                 {
                     "category": type(
@@ -355,7 +366,7 @@ def detail(label: str):
                         (),
                         {"id": account.id * -100, "name": account.name, "account_id": account.id},
                     )(),
-                    "entries": [entry for category_card in category_cards for entry in category_card["entries"]],
+                    "entries": flattened_entries,
                     "total": account_total,
                     "entry_count": sum(category_card["entry_count"] for category_card in category_cards),
                     "dialog_id": f"distribution-dialog-{account.slug}",
@@ -363,15 +374,8 @@ def detail(label: str):
                     "distribution_suggestion_total": distribution_hints.get(account.slug, {}).get("remaining_amount", Decimal("0.00")),
                     "distribution_hint": distribution_hints.get(account.slug),
                     "distribution_account_slug": account.slug,
-                    "direct_entry": next(
+                    "direct_entry": direct_entry,
-                        (
+                    "allow_new_entries": direct_entry is None,
-                            category_card.get("direct_entry")
-                            for category_card in category_cards
-                            if category_card.get("direct_entry") is not None
-                        ),
-                        None,
-                    ),
-                    "allow_new_entries": False,
                 }
             )
             distribution_bucket["total"] += account_total
@@ -681,10 +685,24 @@ def create_category(label: str):
         flash("Bitte einen Bereich für die Kategorie wählen.", "danger")
         return _dialog_redirect(month.label, request.form.get("return_dialog") or None)
     account_id = account.id
-    existing = Category.query.filter_by(account_id=account_id, slug=slugify(name)).first()
+    slug = slugify(name)
+    existing = Category.query.filter_by(account_id=account_id, slug=slug).first()
     if existing is not None:
-        flash("Kategorie existiert bereits.", "info")
+        if existing.is_active:
-        return redirect(url_for("planning.detail", label=label))
+            flash("Kategorie existiert bereits.", "info")
+            return redirect(url_for("planning.detail", label=label))
+        existing.name = name
+        existing.slug = slug
+        existing.description = request.form.get("description", "").strip() or None
+        existing.community_account_id = (
+            int(request.form["community_account_id"])
+            if account.slug == "gemeinschaftskonto" and request.form.get("community_account_id")
+            else None
+        )
+        existing.is_active = True
+        db.session.commit()
+        flash("Kategorie wiederhergestellt.", "success")
+        return _dialog_redirect(month.label, _category_dialog_id(existing))
     last_sort = (
         db.session.scalar(
             select(Category.sort_order)
@@ -702,7 +720,7 @@ def create_category(label: str):
             else None
         ),
         name=name,
-        slug=slugify(name),
+        slug=slug,
         is_active=True,
         sort_order=last_sort + 1,
     )
@@ -747,7 +765,7 @@ def create_entry(label: str):
     category_id = request.form.get("category_id")
     category = None
     if category_id:
-      category = Category.query.get_or_404(int(category_id))
+        category = Category.query.get_or_404(int(category_id))
     elif category_name and account_id:
         category = Category.query.filter_by(
             account_id=account_id,
@@ -772,14 +790,82 @@ def create_entry(label: str):
             )
             db.session.add(category)
             db.session.flush()
+        elif not category.is_active:
+            category.is_active = True
+            db.session.flush()
     if category is None:
         flash("Bitte Konto und Kategorie angeben.", "danger")
         return redirect(url_for("planning.detail", label=label))
     slug = slugify(request.form.get("slug", "") or name)
     existing = Entry.query.filter_by(category_id=category.id, slug=slug).first()
     if existing is not None:
-        flash("Eintrag existiert bereits.", "info")
+        if existing.is_active:
-        return redirect(url_for("planning.detail", label=label))
+            flash("Eintrag existiert bereits.", "info")
+            return redirect(url_for("planning.detail", label=label))
+        existing.name = name
+        existing.slug = slug
+        existing.description = request.form.get("description", "").strip() or None
+        existing.default_amount = to_decimal(request.form.get("default_amount", "0"))
+        existing.amount_type = request.form.get("amount_type", "fixed")
+        existing.benefit_scope = request.form.get("benefit_scope", "all-users")
+        existing.is_allocation_target = request.form.get("is_allocation_target") == "on"
+        existing.is_active = True
+        entry = existing
+        db.session.flush()
+        months = Month.query.order_by(Month.year.asc(), Month.month.asc()).all()
+        current_note = request.form.get("note", "").strip() or None
+        current_amount = _resolve_monthly_amount(request.form)
+        existing_values = {item.month_id: item for item in entry.monthly_values}
+        for target_month in months:
+            value = existing_values.get(target_month.id)
+            if value is None:
+                db.session.add(
+                    MonthlyEntryValue(
+                        month_id=target_month.id,
+                        entry_id=entry.id,
+                        planned_amount=current_amount if target_month.id == month.id else entry.default_amount,
+                        note=current_note if target_month.id == month.id else None,
+                        created_by=current_user.id,
+                        updated_by=current_user.id,
+                    )
+                )
+            elif target_month.id == month.id:
+                value.planned_amount = current_amount
+                value.note = current_note
+                value.updated_by = current_user.id
+        selected_participants = {
+            int(item) for item in request.form.getlist("participant_ids") if item.strip()
+        }
+        existing_rules = {rule.participant_id: rule for rule in entry.share_rules}
+        for participant_id, rule in list(existing_rules.items()):
+            if participant_id not in selected_participants:
+                db.session.delete(rule)
+        for participant_id in selected_participants:
+            rule = existing_rules.get(participant_id)
+            if rule is None:
+                db.session.add(
+                    EntryShareRule(
+                        entry_id=entry.id,
+                        participant_id=participant_id,
+                        share_type="equal",
+                    )
+                )
+            else:
+                rule.share_type = "equal"
+                rule.share_value = None
+        current_app.extensions["saldo.month_service"].sync_distribution_allocation_from_entry(
+            month,
+            entry,
+            mark_manual=True,
+        )
+        db.session.commit()
+        current_app.extensions["saldo.month_service"].refresh_suggestions(
+            month, reason="Eintrag wurde wiederhergestellt"
+        )
+        db.session.commit()
+        flash("Eintrag wiederhergestellt.", "success")
+        return_dialog = request.form.get("return_dialog") or _category_dialog_id(category)
+        return _dialog_redirect(label, return_dialog)
     last_sort = (
         db.session.scalar(
             select(Entry.sort_order)
@@ -872,10 +958,21 @@ def create_community_account(label: str):
     if not name:
         flash("Bitte einen Namen für das Gemeinschaftskonto angeben.", "danger")
         return _dialog_redirect(label, "community-account-create-dialog")
-    existing = CommunityAccount.query.filter_by(slug=slugify(name)).first()
+    slug = slugify(name)
+    existing = CommunityAccount.query.filter_by(slug=slug).first()
     if existing is not None:
-        flash("Gemeinschaftskonto existiert bereits.", "info")
+        if existing.is_active:
-        return _dialog_redirect(label, "community-account-create-dialog")
+            flash("Gemeinschaftskonto existiert bereits.", "info")
+            return _dialog_redirect(label, "community-account-create-dialog")
+        existing.name = name
+        existing.slug = slug
+        existing.account_type = "shared"
+        existing.linked_account_slug = None
+        existing.description = request.form.get("description", "").strip() or None
+        existing.is_active = True
+        db.session.commit()
+        flash("Gemeinschaftskonto wiederhergestellt.", "success")
+        return _dialog_redirect(label)
     last_sort = (
         db.session.scalar(
             select(CommunityAccount.sort_order)
@@ -887,7 +984,7 @@ def create_community_account(label: str):
     )
     community_account = CommunityAccount(
         name=name,
-        slug=slugify(name),
+        slug=slug,
         account_type="shared",
         description=request.form.get("description", "").strip() or None,
         sort_order=last_sort + 1,

app/seed.py

@@ -13,6 +13,7 @@ from app.models import (
     MonthlyIncome,
     NotificationPreference,
     User,
+    to_decimal,
 )
 
 
@@ -203,6 +204,44 @@ def _deactivate_placeholder_categories() -> None:
             category.community_account_id = None
 
 
+def _restore_existing_standard_structure() -> None:
+    for account_slug, account_data in ACCOUNT_TREE.items():
+        account = Account.query.filter_by(slug=account_slug).first()
+        if account is None:
+            continue
+        for category_slug, entries in account_data["categories"].items():
+            category = Category.query.filter_by(account_id=account.id, slug=category_slug).first()
+            legacy_slug = LEGACY_CATEGORY_SLUGS.get((account_slug, category_slug))
+            if category is None and legacy_slug:
+                category = Category.query.filter_by(account_id=account.id, slug=legacy_slug).first()
+            if category is None:
+                continue
+            category.is_active = True
+            for entry_name in entries:
+                entry_slug = slugify(entry_name)
+                entry = Entry.query.filter_by(category_id=category.id, slug=entry_slug).first()
+                legacy_entry_name = LEGACY_ENTRY_NAMES.get((account_slug, category_slug, entry_name))
+                if entry is None and legacy_entry_name:
+                    entry = Entry.query.filter_by(
+                        category_id=category.id,
+                        slug=slugify(legacy_entry_name),
+                    ).first()
+                if entry is not None:
+                    entry.is_active = True
+
+
+def _restore_existing_budget_visibility() -> None:
+    gemeinschaft = Account.query.filter_by(slug="gemeinschaftskonto").first()
+    if gemeinschaft is None:
+        return
+    for category in gemeinschaft.categories:
+        if category.is_active:
+            continue
+        active_entries = [entry for entry in category.entries if entry.is_active]
+        if active_entries:
+            category.is_active = True
+
+
 def seed_data(include_example_entries: bool = False) -> None:
     # Basisdaten nur für die fachliche Grundstruktur, ohne Demo-Benutzer,
     # Beispiel-Personen oder vorausgefüllte Monatsdaten.
@@ -392,18 +431,14 @@ def seed_data(include_example_entries: bool = False) -> None:
                             "Person 1",
                             "Person 2",
                         }
+            for category in gemeinschaft.categories:
+                if category.slug not in ACCOUNT_TREE["gemeinschaftskonto"]["categories"]:
+                    category.is_active = False
+                elif category.community_account_id is None:
+                    category.community_account_id = community_accounts["hauptkonto"].id
         else:
-            _deactivate_placeholder_categories()
+            _restore_existing_standard_structure()
-            _deactivate_placeholder_entries()
+            _restore_existing_budget_visibility()
-        for category in gemeinschaft.categories:
-            if category.slug not in ACCOUNT_TREE["gemeinschaftskonto"]["categories"]:
-                category.is_active = False
-            elif category.community_account_id is None:
-                category.community_account_id = community_accounts["hauptkonto"].id
-
-    if not include_example_entries:
-        _deactivate_placeholder_categories()
-        _deactivate_placeholder_entries()
 
     db.session.commit()
 

app/static/css/app.css

@@ -717,11 +717,15 @@ h2 { font-size: 1.2rem; margin-bottom: 0; }
 
   .bottom-nav {
     position: fixed;
-    inset: auto 12px 12px 12px;
+    left: max(8px, env(safe-area-inset-left));
+    right: max(8px, env(safe-area-inset-right));
+    bottom: calc(8px + env(safe-area-inset-bottom));
     display: grid;
     grid-template-columns: repeat(5, 1fr);
     gap: 8px;
     padding: 10px;
+    max-width: 540px;
+    margin: 0 auto;
     background: var(--panel);
     border: 1px solid var(--line);
     border-radius: 24px;
@@ -733,10 +737,18 @@ h2 { font-size: 1.2rem; margin-bottom: 0; }
     display: grid;
     justify-items: center;
     gap: 6px;
+    min-width: 0;
     text-align: center;
-    font-size: 0.82rem;
+    font-size: 0.76rem;
+    line-height: 1.1;
     padding: 10px 6px;
     border-radius: 16px;
+    overflow-wrap: anywhere;
+  }
+
+  .bottom-nav a span {
+    display: inline-block;
+    max-width: 100%;
   }
 
   .mobile-theme-toggle {
@@ -784,6 +796,40 @@ h2 { font-size: 1.2rem; margin-bottom: 0; }
   }
 }
 
+@media (max-width: 560px) {
+  .content {
+    padding: 18px 14px 104px;
+  }
+
+  .bottom-nav {
+    gap: 4px;
+    padding: 6px;
+    border-radius: 20px;
+  }
+
+  .bottom-nav a {
+    gap: 4px;
+    font-size: 0.56rem;
+    line-height: 1.05;
+    padding: 7px 2px;
+  }
+
+  .bottom-nav a span {
+    display: block;
+    max-width: 100%;
+    min-height: 2.2em;
+    text-wrap: balance;
+    overflow-wrap: normal;
+    word-break: break-word;
+    hyphens: auto;
+  }
+
+  .bottom-nav a .ui-icon {
+    width: 18px;
+    height: 18px;
+  }
+}
+
 .planning-hero-strong {
   padding-bottom: 6px;
 }

app/templates/base.html

@@ -76,14 +76,14 @@
     </div>
     {% if current_user.is_authenticated %}
       <nav class="bottom-nav">
-        <a href="{{ url_for('main.index') }}"><img src="{{ url_for('static', filename='icons/house.svg') }}" alt="" class="ui-icon">Übersicht</a>
+        <a href="{{ url_for('main.index') }}" aria-label="Übersicht" title="Übersicht"><img src="{{ url_for('static', filename='icons/house.svg') }}" alt="" class="ui-icon"><span>Übersicht</span></a>
-        <a href="{{ url_for('planning.current') }}"><img src="{{ url_for('static', filename='icons/wallet.svg') }}" alt="" class="ui-icon">Planung</a>
+        <a href="{{ url_for('planning.current') }}" aria-label="Planung" title="Planung"><img src="{{ url_for('static', filename='icons/wallet.svg') }}" alt="" class="ui-icon"><span>Planung</span></a>
-        <a href="{{ url_for('months.index') }}"><img src="{{ url_for('static', filename='icons/calendar.svg') }}" alt="" class="ui-icon">Monate</a>
+        <a href="{{ url_for('months.index') }}" aria-label="Monate" title="Monate"><img src="{{ url_for('static', filename='icons/calendar.svg') }}" alt="" class="ui-icon"><span>Monate</span></a>
-        <a href="{{ url_for('main.analytics') }}"><img src="{{ url_for('static', filename='icons/chart-simple.svg') }}" alt="" class="ui-icon">Auswertungen</a>
+        <a href="{{ url_for('main.analytics') }}" aria-label="Auswertungen" title="Auswertungen"><img src="{{ url_for('static', filename='icons/chart-simple.svg') }}" alt="" class="ui-icon"><span>Auswertungen</span></a>
         {% if current_user.is_admin() %}
-          <a href="{{ url_for('admin.index') }}"><img src="{{ url_for('static', filename='icons/sliders.svg') }}" alt="" class="ui-icon">Optionen</a>
+          <a href="{{ url_for('admin.index') }}" aria-label="Optionen" title="Optionen"><img src="{{ url_for('static', filename='icons/sliders.svg') }}" alt="" class="ui-icon"><span>Optionen</span></a>
         {% else %}
-          <a href="#" data-enable-push><img src="{{ url_for('static', filename='icons/bell.svg') }}" alt="" class="ui-icon">Push</a>
+          <a href="#" data-enable-push aria-label="Push" title="Push"><img src="{{ url_for('static', filename='icons/bell.svg') }}" alt="" class="ui-icon"><span>Push</span></a>
         {% endif %}
       </nav>
     {% endif %}

app/templates/planning/detail.html

@@ -226,10 +226,25 @@
             <div class="dialog-action-row dialog-action-spread">
               <button class="ghost-button small-button" type="submit">Speichern</button>
               {% if month.incomes|length > 1 %}
-                <button class="ghost-button danger-button small-button" type="submit" formaction="{{ url_for('planning.delete_income', label=month.label, income_id=income.id) }}">Löschen</button>
+                <button class="ghost-button danger-button small-button" type="button" data-open-dialog="confirm-delete-income-{{ income.id }}">Löschen</button>
               {% endif %}
             </div>
           </form>
+          {% if month.incomes|length > 1 %}
+            <dialog id="confirm-delete-income-{{ income.id }}" class="app-dialog confirm-dialog">
+              <form method="dialog" class="dialog-close-row">
+                <button class="dialog-close-button" type="submit" aria-label="Schließen">×</button>
+              </form>
+              <div class="stack-form">
+                <h3>Einkommenszeile wirklich löschen?</h3>
+                <p class="muted">`{{ income.label }}` wird aus diesem Monat entfernt.</p>
+                <form method="post" action="{{ url_for('planning.delete_income', label=month.label, income_id=income.id) }}" class="dialog-action-row dialog-action-spread">
+                  <button class="ghost-button" type="button" data-open-dialog="income-dialog">Zurück</button>
+                  <button class="primary-button danger-fill-button" type="submit">Jetzt löschen</button>
+                </form>
+              </div>
+            </dialog>
+          {% endif %}
         {% endfor %}
       </div>
       <form method="post" action="{{ url_for('planning.create_income', label=month.label) }}" class="soft-form-section stack-form">
@@ -455,7 +470,7 @@
                 <small>{{ category_data.total|currency }} · {{ category_data.entry_count }} Einträge</small>
               </div>
               {% if category_data.allow_new_entries %}
-                <button class="ghost-button icon-button" type="button" data-open-dialog="dialog-add-entry" data-account-id="{{ category_data.category.account_id }}" data-category-name="{{ category_data.category.name }}" data-return-dialog="{{ category_data.dialog_id }}" data-area="{{ 'budget' if category_data.category.account.slug == 'gemeinschaftskonto' else 'distribution' }}">
+                <button class="ghost-button icon-button" type="button" data-open-dialog="dialog-add-entry" data-account-id="{{ category_data.category.account_id }}" data-category-name="{{ category_data.category.name }}" data-return-dialog="{{ category_data.dialog_id }}" data-area="{{ 'budget' if account_data.account.slug == 'gemeinschaftskonto' else 'distribution' }}">
                   <img src="{{ url_for('static', filename='icons/plus.svg') }}" alt="" class="ui-icon small-ui-icon">
                   Eintrag
                 </button>
@@ -598,8 +613,20 @@
               {% endfor %}
             </div>
 
-            <form method="post" action="{{ url_for('planning.delete_category', label=month.label, category_id=category_data.category.id) }}">
+            <button class="ghost-button danger-button" type="button" data-open-dialog="confirm-delete-category-{{ category_data.category.id }}">Kategorie löschen</button>
-              <button class="ghost-button danger-button" type="submit">Kategorie löschen</button>
+          </div>
+        </dialog>
+
+        <dialog id="confirm-delete-category-{{ category_data.category.id }}" class="app-dialog confirm-dialog">
+          <form method="dialog" class="dialog-close-row">
+            <button class="dialog-close-button" type="submit" aria-label="Schließen">×</button>
+          </form>
+          <div class="stack-form">
+            <h3>Kategorie wirklich löschen?</h3>
+            <p class="muted">`{{ category_data.category.name }}` wird ausgeblendet und ihre Einträge werden mit ausgeblendet.</p>
+            <form method="post" action="{{ url_for('planning.delete_category', label=month.label, category_id=category_data.category.id) }}" class="dialog-action-row dialog-action-spread">
+              <button class="ghost-button" type="button" data-open-dialog="{{ category_data.dialog_id }}">Zurück</button>
+              <button class="primary-button danger-fill-button" type="submit">Jetzt löschen</button>
             </form>
           </div>
         </dialog>

tests/test_routes.py

@@ -101,6 +101,19 @@ def test_distribution_dialog_shows_direct_budget_form(logged_in_client):
     assert b"Sparkonto" in response.data
 
 
+def test_distribution_dialog_keeps_direct_budget_form_when_target_flag_is_missing(logged_in_client):
+    month = Month.query.filter_by(label="2026-04").first()
+    sparen_value = next(item for item in month.entry_values if item.entry.name == "Sparziel")
+    sparen_value.entry.is_allocation_target = False
+    db.session.commit()
+
+    response = logged_in_client.get("/planning/2026-04")
+
+    assert response.status_code == 200
+    assert b"Budget direkt anpassen" in response.data
+    assert b"Monatliches Budget" in response.data
+
+
 def test_planning_shows_budgets_and_community_accounts(logged_in_client):
     response = logged_in_client.get("/planning/2026-04")
 
@@ -111,6 +124,17 @@ def test_planning_shows_budgets_and_community_accounts(logged_in_client):
     assert b"Auszahlung Person B" in response.data
 
 
+def test_planning_delete_actions_render_app_confirmation_dialogs(logged_in_client):
+    response = logged_in_client.get("/planning/2026-04")
+
+    assert response.status_code == 200
+    assert b"confirm-delete-income-" in response.data
+    assert b"confirm-delete-category-" in response.data
+    assert b"confirm-delete-community-account-" in response.data
+    assert b"confirm-delete-entry-" in response.data
+    assert b"data-confirm-submit" not in response.data
+
+
 def test_community_account_can_assign_budget_categories(logged_in_client):
     community_account = CommunityAccount.query.filter_by(slug="hauptkonto").first()
     category = Category.query.filter_by(slug="wohnen").first()
@@ -130,6 +154,59 @@ def test_community_account_can_assign_budget_categories(logged_in_client):
     assert category.community_account_id == community_account.id
 
 
+def test_deleted_category_can_be_created_again(logged_in_client):
+    create_response = logged_in_client.post(
+        "/planning/2026-04/categories",
+        data={"name": "Testbudget", "area": "budget"},
+    )
+    assert create_response.status_code == 302
+
+    category = Category.query.filter_by(slug="testbudget").first()
+    original_id = category.id
+
+    delete_response = logged_in_client.post(f"/planning/2026-04/categories/{category.id}/delete")
+    assert delete_response.status_code == 302
+
+    recreate_response = logged_in_client.post(
+        "/planning/2026-04/categories",
+        data={"name": "Testbudget", "area": "budget"},
+    )
+
+    restored = Category.query.filter_by(slug="testbudget").first()
+
+    assert recreate_response.status_code == 302
+    assert restored.id == original_id
+    assert restored.is_active is True
+
+
+def test_deleted_community_account_can_be_created_again(logged_in_client):
+    create_response = logged_in_client.post(
+        "/planning/2026-04/community-accounts",
+        data={"name": "Testkonto", "description": ""},
+    )
+    assert create_response.status_code == 302
+
+    community_account = CommunityAccount.query.filter_by(slug="testkonto").first()
+    original_id = community_account.id
+
+    delete_response = logged_in_client.post(
+        f"/planning/2026-04/community-accounts/{community_account.id}/delete"
+    )
+    assert delete_response.status_code == 302
+
+    recreate_response = logged_in_client.post(
+        "/planning/2026-04/community-accounts",
+        data={"name": "Testkonto", "description": "Wieder da"},
+    )
+
+    restored = CommunityAccount.query.filter_by(slug="testkonto").first()
+
+    assert recreate_response.status_code == 302
+    assert restored.id == original_id
+    assert restored.is_active is True
+    assert restored.description == "Wieder da"
+
+
 def test_community_account_rejects_budget_assigned_to_other_account(logged_in_client):
     primary_account = CommunityAccount.query.filter_by(slug="hauptkonto").first()
     secondary_response = logged_in_client.post(

tests/test_seed.py

@@ -0,0 +1,38 @@
+from __future__ import annotations
+
+from app.extensions import db
+from app.models import Account, Category, Entry
+from app.seed import seed_data
+
+
+def test_seed_restores_hidden_budget_categories_with_active_entries(app):
+    budget_account = Account.query.filter_by(slug="gemeinschaftskonto").first()
+    category = Category(
+        account_id=budget_account.id,
+        name="Legacy Budget",
+        slug="legacy-budget",
+        is_active=False,
+        sort_order=999,
+    )
+    db.session.add(category)
+    db.session.flush()
+    db.session.add(
+        Entry(
+            category_id=category.id,
+            name="Legacy Eintrag",
+            slug="legacy-eintrag",
+            default_amount=0,
+            amount_type="fixed",
+            benefit_scope="all-users",
+            is_active=True,
+            sort_order=1,
+        )
+    )
+    db.session.commit()
+
+    seed_data()
+    db.session.expire_all()
+
+    restored = Category.query.filter_by(account_id=budget_account.id, slug="legacy-budget").first()
+    assert restored is not None
+    assert restored.is_active is True