ENG-10800: Update XY stars count on the marketing pages

[carlosabadia]

[chatgpt-codex-connector]

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[linear-code]

ENG-10800

[greptile-apps]

Greptile Summary

Updates the marketing navbar to show XY's current GitHub star count and centralizes the XY repository URL and count alongside other shared constants.

• Adds shared constants for the XY GitHub URL and star count.
• Adds a formatter that renders counts such as 28,000 and 1,400 as “28K” and “1.4K.”
• Uses the shared values in the marketing open-source repository list.

Confidence Score: 4/5

The PR appears safe to merge, with the non-blocking concern that the newly introduced star-count formatting behavior lacks focused test coverage.

The current constants render as intended, and no blocking runtime failure is established; the remaining issue is that future count changes can alter rounding or abbreviation behavior without automated detection.

Files Needing Attention: packages/reflex-site-shared/src/reflex_site_shared/views/marketing_navbar.py

Important Files Changed

Filename	Overview
packages/reflex-site-shared/src/reflex_site_shared/constants.py	Adds fixed XY GitHub URL and star-count constants for reuse by marketing views.
packages/reflex-site-shared/src/reflex_site_shared/views/marketing_navbar.py	Replaces hardcoded repository metadata with shared constants and introduces an abbreviation helper, but leaves its rounding behavior without unit coverage.

_{Reviews (1): Last reviewed commit: "ENG-10800: Update XY stars count on the ..." | Re-trigger Greptile}

[codspeed-hq]

Merging this PR will not alter performance

✅ 26 untouched benchmarks
⏩ 8 skipped benchmarks¹

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_{Comparing carlos/update-stars-count (e4d1f20) with main (a348aea)}

Footnotes

1. 8 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[cubic-dev-ai]

No issues found across 2 files

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