chore(ci): Split monolithic ci.yml into separate workflow files

[yamadashy]

Split the monolithic ci.yml (~355 lines, ~40 jobs) into 4 focused workflow files with appropriate path-based filtering:

File	Jobs	Path filter
ci.yml	Core lint (biome, oxlint, ts, secretlint), test (Node/Bun), build-and-run	paths-ignore: website/**, browser/**
ci-website.yml	Website client lint, server lint, server bundle	paths: website/**
ci-browser.yml	Browser extension lint, test	paths: browser/**
ci-quality.yml	actionlint, zizmor, check-typos	paths-ignore (broad)

Benefits:

• Reduces unnecessary job execution when only a subset of the codebase changes
• Improves workflow readability and maintainability
• Each workflow has workflow_dispatch for manual triggering
• Self-referencing path triggers (e.g., .github/workflows/ci-website.yml) ensure workflow file changes are also tested

Checklist

• Run npm run test
• Run npm run lint

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📝 Walkthrough

Walkthrough

This PR refactors GitHub Actions CI workflows by extracting job-specific workflows for browser extension, website, and quality checks into separate dedicated workflow files, while removing those jobs from the main ci.yml workflow and updating its path-ignore filters to exclude browser/** and website/** directories.

Changes

Cohort / File(s)	Summary
Browser Extension CI .github/workflows/ci-browser.yml	New workflow file that defines lint-browser and test-browser jobs, triggered on changes to browser/**. Each job checks out code, sets up Node.js, installs dependencies via npm ci, and runs npm run prepare followed by either lint or test commands.
Website CI .github/workflows/ci-website.yml	New workflow file with three jobs: lint-website-client runs linting in website/client, while lint-website-server and bundle-website-server build a local repomix package, link it, install dependencies in website/server, then run lint or bundle commands. Triggered on changes to website/**.
Quality Checks CI .github/workflows/ci-quality.yml	New workflow file introducing three specialized quality-check jobs: actionlint for GitHub Actions linting, zizmor for workflow/config security scanning, and typos for spell-checking. Triggered on push/PR to main with exclusions for Markdown and LICENSE files.
Main CI Workflow Refactoring .github/workflows/ci.yml	Removed 6 jobs that were extracted to separate workflows (lint-website-client, lint-website-server, bundle-website-server, lint-browser, test-browser, and quality-check jobs). Updated paths-ignore filters in push/PR triggers to exclude website/** and browser/** directories.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Possibly related PRs

• ci(website-server): Add bundle check workflow #1072: Adds the bundle-website-server job to ci.yml that this PR moves to the new ci-website.yml workflow file.
• chore(ci): Separate schema generation into dedicated workflow #799: Implements a similar CI refactoring pattern by extracting job-specific workflows into separate files.
• chore(ci): Add actionlint #153: Modifies workflow-level linting jobs (actionlint, zizmor, typos) that this PR reorganizes into the new ci-quality.yml file.

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely summarizes the main change: splitting a monolithic CI workflow into separate focused workflow files.
Description check	✅ Passed	The description provides comprehensive context with a detailed table of new workflows, benefits, and completed checklist items, though it exceeds the minimal template structure.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/split-ci-workflow

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[github-actions]

⚡ Performance Benchmark

Latest commit:	c164135 fix(ci): Add missing path triggers for .tool-versions and root sources
Status:	✅ Benchmark complete!
Ubuntu:	1.52s (±0.02s) → 1.52s (±0.04s) · -0.00s (-0.3%)
macOS:	1.83s (±0.44s) → 1.81s (±0.48s) · -0.02s (-1.2%)
Windows:	1.86s (±0.03s) → 1.86s (±0.04s) · -0.00s (-0.1%)

Details

• Packing the repomix repository with node bin/repomix.cjs
• Warmup: 2 runs (discarded), interleaved execution
• Measurement: 20 runs / 30 on macOS (median ± IQR)
• Workflow run

History

9a71560 fix(ci): Add missing path triggers for .tool-versions and root sources

Ubuntu:	1.47s (±0.02s) → 1.48s (±0.02s) · +0.01s (+0.4%)
macOS:	1.49s (±0.26s) → 1.38s (±0.13s) · -0.11s (-7.4%)
Windows:	2.52s (±0.68s) → 2.42s (±0.66s) · -0.10s (-4.1%)

ecabeb3 chore(ci): Split monolithic ci.yml into separate workflow files

Ubuntu:	1.42s (±0.01s) → 1.43s (±0.02s) · +0.01s (+0.5%)
macOS:	0.87s (±0.07s) → 0.86s (±0.03s) · -0.01s (-1.1%)
Windows:	1.92s (±0.05s) → 1.95s (±0.03s) · +0.03s (+1.5%)

[cloudflare-workers-and-pages]

Deploying repomix with    Cloudflare Pages

Latest commit:	c164135
Status:	✅  Deploy successful!
Preview URL:	https://d9ebfdac.repomix.pages.dev
Branch Preview URL:	https://chore-split-ci-workflow.repomix.pages.dev

View logs

[devin-ai-integration]

✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no potential bugs to report.

View in Devin Review to see 2 additional findings.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.40%. Comparing base (a96b212) to head (c164135).
⚠️ Report is 18 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1408   +/-   ##
=======================================
  Coverage   87.40%   87.40%           
=======================================
  Files         116      116           
  Lines        4392     4392           
  Branches     1018     1018           
=======================================
  Hits         3839     3839           
  Misses        553      553           

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