CLI v1.8.0, Desktop v1.8.0: Identity settings page, connector rate-limit notices, and Windows Script and exec fixes

Improvements - Identity settings page - API keys and service accounts now share one Identity page in Settings, and old links redirect Bug fixes - Model defaults autonomy levels - The model defaults popover now offers the same autonomy levels as the composer - Animated image frame limit - Animated image generation now caps at 16 frames instead of accepting more and then failing - Exec session machine conflicts - Exec now refuses to take over a session another machine holds and points you to resume - New API key reveal - A new API key now appears as soon as you create it, without waiting for the list - Blocked Git actions button - The Git actions button no longer draws a gray box behind its icon while Droid works - Connector rate limit notices - Connector settings now name the rate limit you hit instead of showing a raw error - Script tool on Windows - The Script tool now runs on Windows without a separately installed Visual C++ runtime