GitHub Workflows Overview

This directory contains CI/CD, automation, triage, and release workflows.

Issue Workflow Relationships

flowchart TD
  I1[Issue opened] --> T[Issue Triage]
  T --> L1[Applies issue labels]

  I2[Comment on closed issue] --> C[Closed Issue Comment Handler]
  C -->|Comment by issue author and still unresolved| C1[Reopen issue + leave follow-up comment]
  C -->|Comment by someone else| C2[Ask commenter to open a new issue]

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PR Workflow Relationships

flowchart TD
  PR[PR opened / synchronized / reopened / ready_for_review] --> CI[CI]
  PR --> CPR[Claude PR Review]
  PR --> CODR[Codex PR Review]
  PR --> BB[BugBot Trigger]
  PR --> CLA[CLA Assistant]

  CI --> PSL[PR Status Labeler]
  CI --> PWC[Playwright Report Comment]
  CI --> PRR[PR Review Responder]
  CI --> MPR[Merge PR when ready]

  PRR -->|if commits pushed| WFD[workflow_dispatch: CI + BugBot + Claude PR Review]
  WFD --> CI

  PM[PR merged] --> CCI[Cancel CI after merge]

  MAIN[Push to main] --> LR[Label PRs needing rebase]
  LR -->|adds cc:rebase| CR[Claude Rebase]

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Workflows

File	Name	Description	Trigger	Output labels
bugbot-trigger.yml	BugBot Trigger	Posts @BugBot run on eligible PRs so BugBot starts a review.	pull_request_target on opened/synchronize/ready_for_review/reopened; or workflow_dispatch with pr_number.	None.
cancel-ci-after-merge.yml	Cancel CI after merge	Cancels still-running or queued CI runs for a PR commit after merge.	pull_request on closed (only when merged).	None.
ci.yml	CI	Runs presubmit checks, type checks, unit tests, build, and Playwright E2E/report merge.	push to main; pull_request on opened/synchronize/reopened/closed; or workflow_dispatch with pr_number.	None.
cla.yml	CLA Assistant	Verifies/signs contributor CLA status on PR events and specific comment commands.	pull_request_target on opened/closed/synchronize; plus issue_comment on created for recheck or CLA phrase.	No repository-specific labels set in this file.
claude-deflake-e2e.yml	Claude Deflake E2E	Runs an AI-assisted deflake routine over recent PR E2E failures.	Daily cron (0 10 * * *) or workflow_dispatch (pr_count).	None.
claude-pr-review.yml	Claude PR Review	Runs Claude Code to perform automated PR review on allowed authors.	pull_request_target on opened/synchronize/ready_for_review/reopened; or workflow_dispatch with pr_number.	None.
claude-rebase.yml	Claude Rebase	Rebases an allowed-author PR after it is explicitly flagged for rebase.	pull_request_target on labeled (only label cc:rebase).	cc:rebase -> cc:rebasing while running; removes cc:rebasing on success; adds cc:rebase-failed on failure.
claude-triage.yml	Issue Triage	Uses Claude to classify new issues, check duplicates, and optionally improve titles.	issues on opened.	Adds one of bug / feature request / ux/usability, and may add pro, issue/lang, issue/incomplete.
codex-pr-review.yml	Codex PR Review	Runs Codex CLI against a trusted PR context, validates findings, and posts summary plus inline review comments.	pull_request_target on opened/synchronize/ready_for_review/reopened/closed for allowed authors.	None.
close-stale-prs.yml	Close stale PRs	Closes PRs older than two months and leaves an explanatory comment.	Daily cron (0 0 * * *) or workflow_dispatch.	None.
closed-issue-comment.yml	Closed Issue Comment Handler	Handles new comments on closed issues and can reopen/respond based on intent.	issue_comment on created (closed issues only, not PRs).	None.
draft-stale-prs.yml	Draft stale PRs	Converts inactive open PRs to draft after 7 days without meaningful activity.	Daily cron (0 0 * * *) or workflow_dispatch.	None.
label-rebase-prs.yml	Label PRs needing rebase	Finds conflicting open PRs from allowed authors and flags them for rebase.	push to main.	Adds cc:rebase when eligible PR is conflicted (mergeable_state == dirty) and not already in rebase states.
merge-pr.yml	Merge PR when ready	Auto-merges eligible PRs after successful CI when all checks pass.	workflow_run for CI on completed (successful PR-triggered CI only).	None (reads merge-when-ready, does not set labels).
nightly-runner-cleanup.yml	Nightly Runner Cleanup	Safely frees disk space on self-hosted runner ci1 (caches, npm, runner _work).	Daily cron (4 AM PST); or workflow_dispatch.	None.
playwright-comment.yml	Playwright Report Comment	Posts a Playwright summary comment on the PR tied to a completed CI run.	workflow_run for CI on completed.	None.
pr-review-responder.yml	PR Review Responder	Runs Claude fix loops for trusted PRs, retriggers checks/reviews, and advances request-state labels.	pull_request_target on labeled (only cc:request:now); workflow_run for CI on completed.	cc:request/cc:request:N -> cc:pending; then cc:request:N+1 on pushed commits, cc:done on clean finish, cc:failed on failure; may add needs-human:review-issue when retries exhausted.
pr-status-labeler.yml	PR Status Labeler	Applies human-attention labels based on CI outcome and review freshness/verdict.	workflow_run for CI on completed.	Swaps between needs-human:final-check (clean + passing) and needs-human:review-issue (failing/stale/missing/issueful review).
release.yml	Release app	Manually builds and publishes signed release artifacts across platforms, then verifies assets.	workflow_dispatch.	None.

Nightly Runner Cleanup

The nightly-runner-cleanup.yml workflow runs at 4:00 AM PST on self-hosted macOS runner ci1 to reclaim disk space. It only runs when RUNNER_NAME == ci1; other runners skip cleanup.

Validation (manual run):

1. Go to Actions → Nightly Runner Cleanup → Run workflow.
2. Confirm the run completes successfully and logs show "Running cleanup on runner: ci1".
3. Check logs for "Disk before" and "Disk after" to verify space reclaimed.
4. On non-ci1 runners, logs should show "Skipping cleanup" and exit successfully.

Expected behavior: Deletes only allowlisted paths (npm cache, Playwright browsers, runner _work dirs older than 2 days, Library/Caches subdirs). Never removes runner binaries, config, or user data outside caches.