Initial commit: MyMidas personal finance tracker

Full-stack self-hosted finance app with FastAPI backend and React frontend.

Features:
- Accounts, transactions, budgets, investments with GBP base currency
- CSV import with auto-detection for 10 UK bank formats
- ML predictions: spending forecast, net worth projection, Monte Carlo
- 7 selectable themes (Obsidian, Arctic, Midnight, Vault, Terminal, Synthwave, Ledger)
- Receipt/document attachments on transactions (JPEG, PNG, WebP, PDF)
- AES-256-GCM field encryption, RS256 JWT, TOTP 2FA, RLS, audit log
- Encrypted nightly backups + key rotation script
- Mobile-responsive layout with bottom nav

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/app/schemas/report.py

@@ -0,0 +1,96 @@
+from datetime import date as DateType
+from decimal import Decimal
+
+from pydantic import BaseModel
+
+
+class NetWorthPoint(BaseModel):
+    date: DateType
+    total_assets: Decimal
+    total_liabilities: Decimal
+    net_worth: Decimal
+    base_currency: str
+
+
+class NetWorthReport(BaseModel):
+    points: list[NetWorthPoint]
+    current_net_worth: Decimal
+    change_30d: Decimal
+    change_30d_pct: Decimal
+    base_currency: str
+
+
+class IncomeExpensePoint(BaseModel):
+    month: str  # "2024-01"
+    income: Decimal
+    expenses: Decimal
+    net: Decimal
+
+
+class IncomeExpenseReport(BaseModel):
+    points: list[IncomeExpensePoint]
+    total_income: Decimal
+    total_expenses: Decimal
+    avg_monthly_income: Decimal
+    avg_monthly_expenses: Decimal
+    currency: str
+
+
+class CashFlowPoint(BaseModel):
+    date: DateType
+    inflow: Decimal
+    outflow: Decimal
+    net: Decimal
+    running_balance: Decimal
+
+
+class CashFlowReport(BaseModel):
+    points: list[CashFlowPoint]
+    total_inflow: Decimal
+    total_outflow: Decimal
+    currency: str
+
+
+class CategoryBreakdownItem(BaseModel):
+    category_id: str | None
+    category_name: str
+    amount: Decimal
+    percent: Decimal
+    transaction_count: int
+
+
+class CategoryBreakdownReport(BaseModel):
+    items: list[CategoryBreakdownItem]
+    total: Decimal
+    currency: str
+    date_from: DateType
+    date_to: DateType
+
+
+class BudgetVsActualItem(BaseModel):
+    budget_id: str
+    budget_name: str
+    category_name: str
+    budgeted: Decimal
+    actual: Decimal
+    variance: Decimal
+    percent_used: Decimal
+
+
+class BudgetVsActualReport(BaseModel):
+    items: list[BudgetVsActualItem]
+    total_budgeted: Decimal
+    total_actual: Decimal
+    currency: str
+
+
+class SpendingTrendPoint(BaseModel):
+    month: str
+    category_name: str
+    amount: Decimal
+
+
+class SpendingTrendsReport(BaseModel):
+    points: list[SpendingTrendPoint]
+    categories: list[str]
+    currency: str