[Vis Tools] Launch visualization tool updates at 20% on prod

[juliawu]

Now that the changes in #5939 and #5944 have been verified in staging, this PR adds the standardized_vis_tool flag to production at a 20% rollout. This will launch the updated visualization tools experience for 20% of visits on datacommons.org.

[gemini-code-assist]

Summary of Changes

Hello @juliawu, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request initiates a controlled rollout of updated visualization tools to a subset of production users. By introducing a new feature flag with a 20% activation rate, the system will expose the enhanced UI for map, scatter, and timeline tools to a limited audience, allowing for real-world testing and feedback before a wider release.

Highlights

• New Feature Flag Introduction: A new feature flag named standardized_vis_tool has been added to the production configuration.
• Production Rollout: This feature flag is enabled in production with a 20% rollout percentage, meaning 20% of users will experience the new visualization tools.
• Enhanced Visualization Tools: The flag enables a standardized visualization tool UI for the /tool/map, /tool/scatter, and /tool/timeline pages.

Using Gemini Code Assist

The full guide for Gemini Code Assist can be found on our documentation page, here are some quick tips.

Invoking Gemini

You can request assistance from Gemini at any point by creating a comment using either /gemini <command> or @gemini-code-assist <command>. Below is a summary of the supported commands on the current page.

Feature	Command	Description
Code Review	/gemini review	Performs a code review for the current pull request in its current state.
Pull Request Summary	/gemini summary	Provides a summary of the current pull request in its current state.
Comment	@gemini-code-assist	Responds in comments when explicitly tagged, both in pull request comments and review comments.
Help	/gemini help	Displays a list of available commands.

Customization

To customize Gemini Code Assist for GitHub experience, repository maintainers can create a configuration file and/or provide a custom code review style guide (such as PEP-8 for Python) by creating and adding files to a .gemini/ folder in the base of the repository. Detailed instructions can be found here.

Limitations & Feedback

Gemini Code Assist may make mistakes. Please leave feedback on any instances where its feedback is incorrect or counter productive. You can react with 👍 and 👎 on @gemini-code-assist comments. If you're interested in giving your feedback about your experience with Gemini Code Assist for Github and other Google products, sign up here.

You can also get AI-powered code generation, chat, as well as code reviews directly in the IDE at no cost with the Gemini Code Assist IDE Extension.

Footnotes

1. Review the Privacy Notices, Generative AI Prohibited Use Policy, Terms of Service, and learn how to configure Gemini Code Assist in GitHub here. Gemini can make mistakes, so double check it and use code with caution. ↩

[gemini-code-assist]

Code Review

This pull request enables the standardized_vis_tool feature flag for 20% of production traffic. The change is a simple and correct addition to the production feature flag configuration file. The implementation aligns with the pull request's description, and the supporting code for this feature flag is already in place. The change looks good to merge.