Fix /run-skipped-ci command to only run minimum dependency tests

[justin808]

Summary

Fixes the /run-skipped-ci command which was broken because:

1. It triggered ALL workflows including Pro tests
2. The detect-changes job would run on the PR branch and see no Pro file changes
3. Pro workflows would be skipped, defeating the purpose of the command

Changes

1. Run Only Minimum Dependency Tests

The command now only triggers workflows with minimum dependency configurations that are normally skipped on PRs:

• main.yml: Ruby 3.2, Node 20, minimum dependencies
• examples.yml: Ruby 3.2, minimum dependencies

It skips Pro workflows because they already run on all PRs (no need to re-run them).

2. Added Workflow Inputs

Added run_minimum_tests input to main.yml and examples.yml:

workflow_dispatch:
  inputs:
    run_minimum_tests:
      description: 'Run minimum dependency matrix (Ruby 3.2, Node 20)'
      required: false
      type: boolean
      default: false

3. Smart Matrix Exclusion

Updated matrix exclusion logic to respect the input:

• When run_minimum_tests=true: Exclude latest matrix (run only minimum)
• When run_minimum_tests=false: Exclude minimum on PRs (existing behavior)

Uses fromJSON() to avoid the empty string issue with conditional excludes:

exclude:
  # When run_minimum_tests is true, skip latest (run only minimum)
  - ${{ inputs.run_minimum_tests && fromJSON('{"ruby-version": "3.4", "node-version": "22", "dependency-level": "latest"}') || fromJSON('{}') }}
  # When run_minimum_tests is false, skip minimum on regular PRs
  - ${{ !inputs.run_minimum_tests && github.event_name == 'pull_request' && github.ref != 'refs/heads/master' && fromJSON('{"ruby-version": "3.2", "node-version": "20", "dependency-level": "minimum"}') || fromJSON('{}') }}

4. Improved PR Comments

The PR comment now clearly shows:

• Which workflows are running (minimum dependency tests)
• Which workflows are skipped (Pro tests, latest tests)
• Why they're skipped (already run on all PRs)

Example:

🚀 **Skipped CI Tests Triggered**

✅ **Successfully triggered skipped CI tests**

**Running minimum dependency tests:**
- ✅ Main Tests
- ✅ Generator Tests

**Skipped (already run on PRs):**
- ⏭️  Pro Integration Tests
- ⏭️  Pro Package Tests

**What's running:**
- ✅ Minimum dependency versions (Ruby 3.2, Node 20)
- ✅ Generator tests with minimum dependencies

**Note:** Pro package tests and latest dependency tests are skipped because they already run on all PRs.

Testing

• Test the workflow by commenting /run-skipped-ci on a PR
• Verify only minimum dependency matrix runs
• Check PR comment shows correct information

Related Issues

Closes #1999 (uses better matrix exclusion approach)

🤖 Generated with Claude Code

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This change is 

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📥 Commits

Reviewing files that changed from the base of the PR and between 8d2f1dd and bf1c628.

📒 Files selected for processing (7)

• .github/README.md (1 hunks)
• .github/workflows/examples.yml (2 hunks)
• .github/workflows/main.yml (4 hunks)
• .github/workflows/pr-welcome-comment.yml (1 hunks)
• .github/workflows/pro-integration-tests.yml (3 hunks)
• .github/workflows/pro-package-tests.yml (3 hunks)
• .github/workflows/run-skipped-ci.yml (1 hunks)

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch justin808/run-skipped-ci-command

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[justin808]

Closing in favor of PR with clean branch (no merge conflicts)