Fix label trigger schema validation for pull_request events

[Copilot]

Label trigger shorthand (on: pull_request labeled refine) was generating invalid GitHub Actions YAML. The compiler added a labels field to the on section for all event types, but GitHub Actions only supports native label filtering for issues events—not pull_request or discussion.

Changes

• pkg/workflow/label_trigger_parser.go: Differentiate event types when expanding label trigger shorthand

  • issues: Use labels field with __gh_aw_native_label_filter__ marker (native GitHub Actions filtering)
  • pull_request and discussion: Use names field without marker (triggers job condition filtering)

• pkg/workflow/label_trigger_parser_test.go: Update tests to expect different fields per event type

Result

For pull_request events, the generated YAML now correctly uses job conditions:

on:
  pull_request:
    types:
      - labeled
  # No 'labels' or 'names' field - filtered via job condition instead

jobs:
  activation:
    if: >
      (github.event.action != 'labeled') || (github.event.label.name == 'refine')

For issues events, native GitHub Actions filtering is preserved:

on:
  issues:
    types:
      - labeled
    labels:
      - refine

Original prompt

Fix the failing GitHub Actions workflow build
Analyze the workflow logs, identify the root cause of the failure, and implement a fix.
Job ID: 63493712264
Job URL: https://github.com/github/gh-aw/actions/runs/21977974466/job/63493712264

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[Copilot]

Pull request overview

This PR fixes a failing GitHub Actions workflow build caused by incorrect label trigger schema validation. The root issue was that the label trigger parser was treating all event types (issues, pull_request, discussion) identically by adding a names field, but GitHub Actions only supports native label filtering for issues events. The fix differentiates event type handling: issues events now use the native labels field with a marker, while pull_request and discussion events use an internal names field that gets converted to job conditions.

Changes:

• Modified label trigger parser to use labels field for issues events and names field for pull_request/discussion events
• Updated unit tests to validate the differentiated handling
• Regenerated refiner.lock.yml workflow with proper label filtering via job conditions
• Added Code Refiner workflow to agent factory status page
• Simplified documentation for GitHub App token configuration (unrelated to main fix)

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
pkg/workflow/label_trigger_parser.go	Core fix: differentiates label trigger handling by event type (labels for issues, names for pull_request/discussion)
pkg/workflow/label_trigger_parser_test.go	Updated tests to validate labels field for issues and names field for pull_request/discussion
.github/workflows/refiner.lock.yml	Regenerated workflow with commented-out names field and proper job condition filtering
docs/src/content/docs/reference/frontmatter-full.md	Simplified GitHub App token documentation (unrelated to label trigger fix)
docs/src/content/docs/agent-factory-status.mdx	Added Code Refiner workflow entry

Comments suppressed due to low confidence (2)

docs/src/content/docs/reference/frontmatter-full.md:3439

• The documentation changes removing details about GitHub App per-job token narrowing and auto-revocation appear to be unrelated to the label trigger fix described in the PR description. This creates inconsistency because:

1. The detailed documentation about token narrowing is still present in docs/src/content/docs/reference/safe-outputs.md (lines 1372-1383)
2. The docs/src/content/docs/reference/tokens.mdx file still references this per-job narrowing behavior

Either these changes should be:

• Reverted (if they're unintentional)
• Applied consistently across all documentation files (if intentional)
• Moved to a separate PR focused on documentation cleanup (recommended)

  # GitHub App credentials for minting installation access tokens. When configured,
  # a token will be generated using the app credentials and used for all safe output
  # operations.

pkg/workflow/label_trigger_parser.go:83

• The comment references discussion events not supporting the labels field, but the actual logic on lines 116-119 uses the names field for both pull_request and discussion events. The comment should clarify that both pull_request and discussion events don't support native GitHub Actions label filtering via the labels field, so they use the internal names field for job condition filtering instead.

// Note: For discussion events, GitHub Actions doesn't support the `labels` field,
// so we use the native label filter marker but the labels will be filtered via job conditions.

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[Copilot]

The integration test TestLabelTriggerIntegrationSimple expects the names field for issues events (line 43-48 in the test file), but the new implementation on line 114 uses the labels field for issues events instead. This test will fail when run with the integration build tag.

The test needs to be updated to check for the labels field for issues events, matching the new behavior where:

• issues events use the native GitHub Actions labels field
• pull_request and discussion events use the internal names field for job condition filtering

This issue also appears on line 82 of the same file.

[Copilot]

The documentation changes removing details about GitHub App per-job token narrowing and auto-revocation appear to be unrelated to the label trigger fix described in the PR description. This creates inconsistency because:

1. The detailed documentation about token narrowing is still present in docs/src/content/docs/reference/safe-outputs.md (lines 1372-1383)
2. The docs/src/content/docs/reference/tokens.mdx file still references this per-job narrowing behavior

Either these changes should be:

• Reverted (if they're unintentional)
• Applied consistently across all documentation files (if intentional)
• Moved to a separate PR focused on documentation cleanup (recommended)

This issue also appears on line 3437 of the same file.