[release] v2026.4.0 testing

[patrick-ogrady]

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[cloudflare-workers-and-pages]

Deploying alto with    Cloudflare Pages

Latest commit:	1aa0479
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Preview URL:	https://43c8ad39.alto-8k4.pages.dev
Branch Preview URL:	https://v2026-4-0-test.alto-8k4.pages.dev

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[codecov-commenter]

Codecov Report

❌ Patch coverage is 37.03704% with 17 lines in your changes missing coverage. Please review.
✅ Project coverage is 68.52%. Comparing base (0d9f99f) to head (7233bcf).

Files with missing lines	Patch %	Lines
follower/src/archive.rs	0.00%	16 Missing ⚠️
chain/src/application.rs	0.00%	1 Missing ⚠️

@@            Coverage Diff             @@
##             main     #188      +/-   ##
==========================================
- Coverage   68.71%   68.52%   -0.19%     
==========================================
  Files          30       30              
  Lines        5712     5729      +17     
==========================================
+ Hits         3925     3926       +1     
- Misses       1787     1803      +16     

Files with missing lines	Coverage Δ
chain/src/engine.rs	98.80% <100.00%> (+<0.01%)	⬆️
chain/src/lib.rs	98.27% <100.00%> (ø)
chain/src/application.rs	92.24% <0.00%> (ø)
follower/src/archive.rs	42.18% <0.00%> (-3.84%)	⬇️

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