feat: Planungs- und Szenario-API mit Projektion und Vorschlaegen

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

finance/app/main.py

@@ -5,7 +5,8 @@ from fastapi.responses import HTMLResponse, RedirectResponse
 
 from app import auth
 from app.config import get_settings
-from app.routers import accounts, categories, imports, transactions
+from app.routers import (accounts, categories, imports, planning, scenarios,
+                         transactions)
 
 app = FastAPI(title="Finanzberatungs-Tool")
 
@@ -13,6 +14,8 @@ app.include_router(accounts.router)
 app.include_router(transactions.router)
 app.include_router(categories.router)
 app.include_router(imports.router)
+app.include_router(planning.router)
+app.include_router(scenarios.router)
 
 
 @app.get("/login", response_class=HTMLResponse)