Fix CI/CD warning noise and Pages deploy false positive

[konard]

Summary

• Gates GitHub Pages deployment behind DEPLOY_GITHUB_PAGES=true while still building docs artifacts.
• Updates workflow actions and Node runtime to remove Node 20 deprecation warnings, with a new CI workflow policy check to prevent regressions.
• Removes the JS ESLint warning baseline, quiets expected npm release checks, and strips deprecated npm always-auth config before publish commands.
• Makes JS test targets explicit for Node 24 so CI no longer passes tests/unit/ as a directory to node --test.
• Adds a patch changeset plus an issue-55 case study with downloaded CI logs, template snapshots, local verification logs, and upstream template reports.

Reproduction Evidence

• Docs failure: run 28326104183 failed in actions/deploy-pages with HTTP 404 after docs built successfully.
• JS warning baseline: run 28326104220 completed successfully but emitted Node 20 action warnings, 77 ESLint warnings, npm always-auth warnings, and expected npm E404 output.
• PR rerun after Node 24 update: run 28336189483 failed all JS test matrix jobs because node --test tests/unit/ tried to load the directory as a module.
• Case study: https://github.com/link-foundation/browser-commander/blob/issue-55-7cb0893ca811/docs/case-studies/issue-55/README.md

Template Reports Filed

• JS template npm release log noise: Avoid expected npm 404 and always-auth warning noise in release logs js-ai-driven-development-pipeline-template#97
• Python template Pages deploy guard: Make GitHub Pages deployment opt-in until Pages is configured python-ai-driven-development-pipeline-template#26
• C# template Pages deploy guard: Make GitHub Pages deployment opt-in until Pages is configured csharp-ai-driven-development-pipeline-template#33

Verification

• node scripts/check-ci-workflows.mjs
• ruby -e 'require "yaml"; Dir[".github/workflows/*.{yml,yaml}"].each { |f| YAML.load_file(f); puts "parsed #{f}" }'
• npm run lint
• npm run format:check
• npm run check:duplication
• npm run check
• GITHUB_BASE_REF=main node scripts/validate-changeset.mjs
• npm test (458 passing)
• npm run test:coverage (458 passing)
• npx -y node@24 scripts/run-tests.mjs --reporter spec tests/unit (458 passing under Node v24.18.0)
• node scripts/run-tests.mjs --env RUN_E2E=true tests/e2e/playwright.e2e.test.js (27 passing)
• npm run docs:api
• cargo doc --no-deps --all-features

No UI changes; screenshots are not applicable.

Fixes #55

[konard]

Working session summary

Done. PR 56 is updated and ready for review:

#56

Implemented fixes for the CI/CD noise and false positives: guarded Pages deploy, updated action/runtime versions, added workflow policy checks, removed JS lint warning baseline, quieted npm release false-error output, and fixed Node 24 node --test directory handling with an explicit test-file runner.

Fresh CI on HEAD 2d8dbc4 is all passing: CI Workflow Policy, JS, Documentation, Rust, and Python. PR is not draft, branch is 4 commits ahead of main and 0 behind, and the working tree is clean.

Local verification included npm run check, npm test 458/458, npm run test:coverage, Node 24 unit test run 458/458, Playwright e2e smoke 27/27, docs generation, Rust docs, changeset validation, and workflow YAML/policy checks. The case study and preserved logs are in docs/case-studies/issue-55/README.md.

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[konard]

🤖 Solution Draft Log

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💰 Cost estimation:

• Model: GPT-5.5
• Provider: OpenAI
• Public pricing estimate: $24.517516

📊 Context and tokens usage:

• 587.3K / 200K (294%) input tokens, 77.1K / 128K (60%) output tokens

Total: (587.3K + 15.2M cached) input tokens, 77.1K output tokens, $24.517516 cost

🤖 Models used:

• Tool: OpenAI Codex
• Requested: gpt-5.5
• Thinking level: max (~31999 tokens)
• Model: GPT-5.5 (gpt-5.5)

📎 Log file uploaded as Gist (6937KB)

• View complete solution draft log

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[konard]

🎉 Auto-merged

This pull request has been automatically merged by hive-mind.

• All CI checks have passed

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Auto-merged by hive-mind with --auto-merge flag