docs: fix three dead links to datafusion.apache.org - #24872
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Two blog links in concepts-readings-events.md used slugs that were never published; the posts are at /blog/2026/03/20/limit-pruning/ and /blog/2026/02/02/datafusion_case/. The GSoC project ideas page linked the application guidelines one directory too high and without the year suffix. Generated-by: Claude (Claude Code)
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #24872 +/- ##
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- Coverage 81.62% 81.62% -0.01%
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Files 1123 1123
Lines 409637 409637
Branches 409637 409637
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- Hits 334383 334375 -8
- Misses 55624 55628 +4
- Partials 19630 19634 +4 ☔ View full report in Codecov by Harness. 🚀 New features to boost your workflow:
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Which issue does this PR close?
Rationale for this change
Three links in the docs point at pages on our own site that return 404, so a reader following them from the readings list or the GSoC project ideas page lands on an error.
What changes are included in this PR?
concepts-readings-events.md:blog/2026/03/20/multi-layer-pruning/becomesblog/2026/03/20/limit-pruning/, andblog/2026/02/02/case-expression/becomesblog/2026/02/02/datafusion_case/. Those are the slugs the two posts were actually published under.gsoc/gsoc_project_ideas_2025.md:contributor-guide/gsoc_application_guidelines.htmlbecomescontributor-guide/gsoc/gsoc_application_guidelines_2025.html, matching the file the GSoCindex.rsttoctree includes.What is the testing strategy for this PR?
No tests; this is three URL strings in markdown. Each old URL was requested and returns 404, each new one returns 200.
Are there any user-facing changes?
Docs only. Three links that were broken now resolve.
Disclosure: this was written with AI assistance (Claude, via Claude Code). I verified every URL by request rather than inferring it, and the issue lists the three further dead links I deliberately did not touch because the right replacement is your call.