docs: add Codecov coverage badge to README#4714
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PR apache#4666 wired CODECOV_TOKEN so push events on main and release/** upload coverage. Surface that on the repo home page so readers can get to the dashboard in one click; flags (frontend / scala / python / agent-service) are broken out on the Codecov side. Closes apache#4713. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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### What changes were proposed in this PR? Add a Codecov coverage badge to the existing `<p align="center">` stats block in `README.md`. The badge links to https://app.codecov.io/gh/apache/texera so reviewers / contributors can see the current overall coverage and click through to the per-flag breakdown without leaving the repo home page. ```diff <img alt="Static Badge" src="https://img.shields.io/badge/Largest_Deployment-100_nodes,_400_cores-green"> + <a href="https://app.codecov.io/gh/apache/texera"><img alt="Coverage" src="https://img.shields.io/codecov/c/github/apache/texera/main?logo=codecov&label=coverage"></a> </p> ``` Why now: PR #4666 wired `CODECOV_TOKEN` so push events on `main` and `release/**` now upload coverage. The latest few main commits at `https://codecov.io/api/v2/github/apache/repos/texera/branches/main` are reporting `46%` overall (frontend / scala / python / agent-service flags broken out). Without the badge, every "what's the current coverage?" question is a manual hop to the Codecov dashboard. Style note: shields.io to match the neighboring `Static Badge` images. Linked so a click jumps straight to the dashboard (the existing badges are images-only). ### Any related issues, documentation, discussions? Closes #4713. Related: #4666 (Phase 2 token wiring), #4645 (Phase 1 tokenless wiring). ### How was this PR tested? This is a one-line README change; rendered the new line in the GitHub markdown preview locally. The badge URL is already producing a non-`unknown` value (the dashboard returns `46%` for the latest main commits), so the rendered badge will be a real number on first view, not the placeholder. ### Was this PR authored or co-authored using generative AI tooling? Generated-by: Claude Code (Opus 4.7, 1M context) Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> (backported from commit 09715e1)
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What changes were proposed in this PR?
Add a Codecov coverage badge to the existing
<p align="center">stats block inREADME.md. The badge links to https://app.codecov.io/gh/apache/texera so reviewers / contributors can see the current overall coverage and click through to the per-flag breakdown without leaving the repo home page.Any related issues, documentation, discussions?
Closes #4713.
How was this PR tested?
This is a one-line README change; rendered the new line in the GitHub markdown preview locally. The badge URL is already producing a non-
unknownvalue (the dashboard returns46%for the latest main commits), so the rendered badge will be a real number on first view, not the placeholder.Was this PR authored or co-authored using generative AI tooling?
Generated-by: Claude Code (Opus 4.7, 1M context)