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/workers/price_sync.py

@@ -0,0 +1,31 @@
+import structlog
+from sqlalchemy import select
+
+logger = structlog.get_logger()
+
+
+async def price_sync_job() -> None:
+    from app.dependencies import get_session_factory
+    from app.db.models.asset import Asset
+    from app.services.price_feed_service import fetch_price
+    from app.services.investment_service import update_asset_price
+
+    session_factory = get_session_factory()
+    if not session_factory:
+        return
+
+    async with session_factory() as db:
+        try:
+            result = await db.execute(select(Asset).where(Asset.is_active == True))  # noqa: E712
+            assets = result.scalars().all()
+            updated = 0
+            for asset in assets:
+                data = await fetch_price(asset.symbol, asset.data_source, asset.data_source_id)
+                if data and data.get("price"):
+                    await update_asset_price(db, asset, data["price"], data.get("change_24h"))
+                    updated += 1
+            await db.commit()
+            logger.info("price_sync_done", updated=updated, total=len(assets))
+        except Exception as exc:
+            await db.rollback()
+            logger.error("price_sync_failed", error=str(exc))