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

venv/lib/python3.11/site-packages/_pytest/config/exceptions.py

@@ -0,0 +1,13 @@
+from __future__ import annotations
+
+from typing import final
+
+
+@final
+class UsageError(Exception):
+    """Error in pytest usage or invocation."""
+
+
+class PrintHelp(Exception):
+    """Raised when pytest should print its help to skip the rest of the
+    argument parsing and validation."""