Initial release v1.1.0

- Complete MVP for tracking Fidelity brokerage account performance
- Transaction import from CSV with deduplication
- Automatic FIFO position tracking with options support
- Real-time P&L calculations with market data caching
- Dashboard with timeframe filtering (30/90/180 days, 1 year, YTD, all time)
- Docker-based deployment with PostgreSQL backend
- React/TypeScript frontend with TailwindCSS
- FastAPI backend with SQLAlchemy ORM

Features:
- Multi-account support
- Import via CSV upload or filesystem
- Open and closed position tracking
- Balance history charting
- Performance analytics and metrics
- Top trades analysis
- Responsive UI design

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

backend/app/config.py

@@ -0,0 +1,53 @@
+"""
+Application configuration settings.
+Loads configuration from environment variables with sensible defaults.
+"""
+from pydantic_settings import BaseSettings
+from typing import Optional
+
+
+class Settings(BaseSettings):
+    """Application settings loaded from environment variables."""
+
+    # Database configuration
+    POSTGRES_HOST: str = "postgres"
+    POSTGRES_PORT: int = 5432
+    POSTGRES_DB: str = "fidelitytracker"
+    POSTGRES_USER: str = "fidelity"
+    POSTGRES_PASSWORD: str = "fidelity123"
+
+    # API configuration
+    API_V1_PREFIX: str = "/api"
+    PROJECT_NAME: str = "myFidelityTracker"
+
+    # CORS configuration - allow all origins for local development
+    CORS_ORIGINS: str = "*"
+
+    @property
+    def cors_origins_list(self) -> list[str]:
+        """Parse CORS origins from comma-separated string."""
+        if self.CORS_ORIGINS == "*":
+            return ["*"]
+        return [origin.strip() for origin in self.CORS_ORIGINS.split(",")]
+
+    # File import configuration
+    IMPORT_DIR: str = "/app/imports"
+
+    # Market data cache TTL (seconds)
+    MARKET_DATA_CACHE_TTL: int = 60
+
+    @property
+    def database_url(self) -> str:
+        """Construct PostgreSQL database URL."""
+        return (
+            f"postgresql://{self.POSTGRES_USER}:{self.POSTGRES_PASSWORD}"
+            f"@{self.POSTGRES_HOST}:{self.POSTGRES_PORT}/{self.POSTGRES_DB}"
+        )
+
+    class Config:
+        env_file = ".env"
+        case_sensitive = True
+
+
+# Global settings instance
+settings = Settings()