Upgrade urllib to undici 8 while preserving default HTTP/1.1 behavior

[Copilot]

• Inspect the latest failing CI run and identify the current failing job/test
• Reproduce the failure locally with targeted validation
• Make the smallest fix for the failing behavior
• Re-run targeted checks/tests and final validation
• Reply on the PR comment with the addressing commit hash

[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	undici@​7.25.0 ⏵ 8.2.0	+1		+1	+2

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[pkg-pr-new]

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npm i https://pkg.pr.new/node-modules/urllib@766

commit: d2d0156

[fengmk2]

@copilot ci fails

[Copilot]

@copilot ci fails

Fixed in aaa230e. I investigated the failing Actions run and updated test/options.dispatcher.test.ts to avoid the flaky external HTTPS path and to close created ProxyAgent instances during teardown, which was causing the suite to hang in CI.

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Firewall rules blocked me from connecting to one or more addresses (expand for details)

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• registry.npmmirror.com
  • Triggering command: /home/REDACTED/.npm/_npx/992a19d7d9bf36d4/node_modules/node/bin/node /home/REDACTED/.npm/_npx/992a19d7d9bf36d4/node_modules/node/bin/node --experimental-import-meta-resolve --require /home/REDACTED/work/urllib/urllib/node_modules/.pnpm/@voidzero-dev+vite-plus-test@0.1.20_@arethetypeswrong+core@0.18.2_@types+node@22.19.17__be9d289fb071b59767ee3a2ed415b245/node_modules/@voidzero-dev/vite-plus-test/suppress-warnings.cjs --conditions node --conditions development /home/REDACTED/work/urllib/urllib/node_modules/.pnpm/@voidzero-dev+vite-plus-test@0.1.20_@arethetypeswrong+core@0.18.2_@types+node@22.19.17__be9d289fb071b59767ee3a2ed415b245/node_modules/@voidzero-dev/vite-plus-test/dist/workers/forks.js (dns block)

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[fengmk2]

@copilot ci fails

[Copilot]

@copilot ci fails

Fixed in d2d0156. The current CI failure was a MockAgent regression from the default dispatcher change in HttpClient; default requests now keep urllib’s HTTP/1.1-safe dispatcher unless the global undici dispatcher has been explicitly overridden, so the mocking tests pass again.

[codecov]

Codecov Report

❌ Patch coverage is 93.75000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 94.21%. Comparing base (f5b6def) to head (d2d0156).

Files with missing lines	Patch %	Lines
src/HttpClient.ts	91.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #766      +/-   ##
==========================================
- Coverage   94.65%   94.21%   -0.45%     
==========================================
  Files          10       10              
  Lines         730      743      +13     
  Branches      228      235       +7     
==========================================
+ Hits          691      700       +9     
- Misses         36       40       +4     
  Partials        3        3              

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