feat(tools): Enhance guest tools installation and management

- Added new API endpoints for tool catalog and installation management.
- Updated usage documentation to include new tool installation features.
- Implemented asynchronous tool installation with job tracking.
- Introduced integration tests for tool installation in disposable VMs.
- Enhanced dashboard UI to reflect tool installation status and usage instructions.
- Improved error handling and logging for tool installation processes.
- Added support for multiple Python versions and Conda environments.
- Refactored tool management logic to ensure better state handling and job persistence.

uvm/config.py

@@ -2,8 +2,8 @@
 
 from __future__ import annotations
 
-import os
 import math
+import os
 from dataclasses import dataclass, field
 from ipaddress import IPv4Address, IPv4Network
 from pathlib import Path
@@ -62,7 +62,7 @@ class Settings:
             raise ConfigurationError("tool_workers must be an integer between 1 and 8")
         for name in ("tool_ready_timeout_s", "tool_install_timeout_s"):
             value = getattr(self, name)
-            if type(value) not in (int, float) or not math.isfinite(value) or not 0 < value <= 3600:
+            if type(value) not in (int, float) or not 0 < value <= 3600 or not math.isfinite(value):
                 raise ConfigurationError(f"{name} must be finite, greater than zero, and at most 3600 seconds")
 
         # Resolve defaults at construction time, while preserving individual URL overrides.