feat: indie status page MVP -- FastAPI + SQLite

- 8 DB models (services, incidents, monitors, subscribers, etc.)
- Full CRUD API for services, incidents, monitors
- Public status page with live data
- Incident detail page with timeline
- API key authentication
- Uptime monitoring scheduler
- 13 tests passing
- TECHNICAL_DESIGN.md with full spec

app/config.py

@@ -0,0 +1,44 @@
+from pydantic_settings import BaseSettings
+from pathlib import Path
+
+
+class Settings(BaseSettings):
+    """Application settings loaded from environment variables or .env file."""
+
+    # App
+    app_name: str = "Indie Status Page"
+    database_url: str = "sqlite+aiosqlite:///./data/statuspage.db"
+    secret_key: str = "change-me-to-a-random-string"
+    admin_api_key: str = "change-me-to-a-secure-api-key"
+    debug: bool = False
+
+    # Site
+    site_name: str = "My SaaS Status"
+    site_url: str = "http://localhost:8000"
+    site_logo_url: str = ""
+    site_accent_color: str = "#4f46e5"
+
+    # SMTP
+    smtp_host: str = ""
+    smtp_port: int = 587
+    smtp_user: str = ""
+    smtp_pass: str = ""
+    smtp_from: str = "noreply@example.com"
+
+    # Webhook
+    webhook_notify_url: str = ""
+
+    # Uptime monitoring
+    monitor_check_interval: int = 60
+
+    model_config = {"env_file": ".env", "env_file_encoding": "utf-8"}
+
+    @property
+    def db_path(self) -> Path:
+        """Extract filesystem path from SQLite URL for directory creation."""
+        # Remove the sqlite+aiosqlite:/// prefix
+        path_str = self.database_url.replace("sqlite+aiosqlite:///", "")
+        return Path(path_str)
+
+
+settings = Settings()