Bug fixes

Fixes and polish across Grok this week.

Uploads

• Fixed large file and MP4 uploads crashing Chrome with clearer client-side size limit
• Restored bot-challenge check on file upload

Chat

• Typing in query bar now registers first keystroke even when not focused
• File previews routed by resolved type with immediate loading spinner and xlsx preview support
• Restored live tool-usage updates in responses
• Preserved green/blue colors on thumbs up/down hover and polished settings dialog

Cookie banner

• Fixed cookie banner's layering and mobile position, made it clickable when dialog is open

Projects

• Fixed double toast on project creation and show inline name errors

Imagine

• Fixed NSFW setting toggle and added check on video generation presets

Skills

• Skills empty-state pills now wrap correctly