Update CubePilot branding and streamline scan UX

[markcoleman]

Summary

• rename the app to Cube Pilot across assets, launch screens, and strings
• refresh the icon, launch image, and UI text to match the new naming
• revamp the scanner flow layout and guidance text for a simpler, more balanced experience while keeping the workflow cues
• harden the camera session handling to avoid re-entry errors

Testing

• Not run (not requested)

[github-actions]

⚠️ This PR is very large. Consider breaking it into smaller PRs for easier review.

PR Stats:

• Lines added: 714
• Lines deleted: 149
• Files changed: 23

Tips for large PRs:

• Break into smaller, focused PRs
• Ensure comprehensive test coverage
• Add detailed descriptions for each change

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Bundle the launch storyboard before enabling it

This change disables the generated launch screen and sets UILaunchStoryboardName to LaunchScreen, but the project file still only lists Assets.xcassets in PBXResourcesBuildPhase and has no PBXFileReference/PBXBuildFile entry for LaunchScreen.storyboard, so iOS builds from this commit won’t include a compiled LaunchScreen.storyboardc. On app startup, the system tries to load that storyboard and can fail to present the launch screen (and in practice may terminate at launch for missing launch storyboard resources).

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