feat: Szenarien-Seite mit zwei Formularen, Zeitraum-Spalte und wiederkehrenden Szenario-Zahlungen (A14-T4)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

finance/app/routers/gui.py

@@ -21,7 +21,8 @@ from app.formats import de_label, eur, pct
 from app.models.tables import (Account, Category, PlannedItem,
                                ProjectionResult, RecurringItem,
                                Scenario, ScenarioLoan, ScenarioModifier,
-                               ScenarioPlannedItem, Transaction)
+                               ScenarioPlannedItem, ScenarioRecurringItem,
+                               Transaction)
 from app.routers.imports import list_imports as _list_imports
 from app.routers.imports import preview as _preview_import
 from app.routers.planning import list_loans as _list_loans
@@ -322,11 +323,16 @@ def _scenario_rows(session: Session, scenarios: list, loans: list) -> list[dict]
             select(ScenarioPlannedItem)
             .where(ScenarioPlannedItem.scenario_id == sc.id)
             .order_by(ScenarioPlannedItem.due)).scalars().all()
+        recurring_items = session.execute(
+            select(ScenarioRecurringItem)
+            .where(ScenarioRecurringItem.scenario_id == sc.id)
+            .order_by(ScenarioRecurringItem.name, ScenarioRecurringItem.id)).scalars().all()
         rows.append({
             "scenario": sc,
             "assigned_loan_ids": assigned_loan_ids,
             "modifiers": modifiers,
             "planned_items": planned_items,
+            "recurring_items": recurring_items,
             "result": session.get(ProjectionResult, sc.id),
         })
     return rows
@@ -378,7 +384,8 @@ def szenarien_page(request: Request, session: Session = Depends(get_session)):
         "recurring_names": {r.id: r.name for r in recurring},
         "loans": loans,
         "scenario_rows": _scenario_rows(session, scenarios, loans),
-        "modifier_kinds": ["percent", "absolute", "remove", "ende"],
+        "modifier_kinds": ["percent", "absolute", "set", "remove", "ende"],
+        "rhythms": ["monthly", "quarterly", "yearly"],
     })