feat: initial orchestrator service with FastAPI backend and premium GUI

- FastAPI backend with full Proxmox VE API integration
- ISO builder using proxmox-auto-install-assistant
- Premium dark-mode SPA frontend with glassmorphism design
- VM lifecycle management (create, start, stop, destroy)
- Build pipeline tracking with real-time logs
- Deployment automation for custom auto-installer ISOs
- Production deployment script (setup.sh + systemd)
- Comprehensive README with API documentation

venv/lib/python3.12/site-packages/starlette/exceptions.py

@@ -0,0 +1,43 @@
+from __future__ import annotations
+
+import http
+from collections.abc import Mapping
+
+
+class HTTPException(Exception):
+    def __init__(self, status_code: int, detail: str | None = None, headers: Mapping[str, str] | None = None) -> None:
+        if detail is None:
+            detail = http.HTTPStatus(status_code).phrase
+        self.status_code = status_code
+        self.detail = detail
+        self.headers = headers
+
+    def __str__(self) -> str:
+        return f"{self.status_code}: {self.detail}"
+
+    def __repr__(self) -> str:
+        class_name = self.__class__.__name__
+        return f"{class_name}(status_code={self.status_code!r}, detail={self.detail!r})"
+
+
+class WebSocketException(Exception):
+    def __init__(self, code: int, reason: str | None = None) -> None:
+        self.code = code
+        self.reason = reason or ""
+
+    def __str__(self) -> str:
+        return f"{self.code}: {self.reason}"
+
+    def __repr__(self) -> str:
+        class_name = self.__class__.__name__
+        return f"{class_name}(code={self.code!r}, reason={self.reason!r})"
+
+
+class StarletteDeprecationWarning(UserWarning):
+    """A custom deprecation warning for Starlette.
+
+    Unlike the built-in DeprecationWarning, this inherits from UserWarning to ensure it is visible by default, helping
+    users discover deprecated features without needing to enable warnings explicitly.
+
+    Reference: https://sethmlarson.dev/deprecations-via-warnings-dont-work-for-python-libraries
+    """