task/2549 create copilot-instructions.md and update branch/hook support for copilot agents

[Copilot]

Adds .github/copilot-instructions.md to standardize how GitHub Copilot agents interact with this repo — covering commit format, branch naming, PR creation, label assignment, and milestone linking. Extends two existing configs to recognize copilot/-prefixed branches.

Changes

• .github/copilot-instructions.md (new) — instructs Copilot to:

  • Prefix commits with #<issue-number>: (compatible with commit-msg hook)
  • Name branches as copilot/<type>/<issue-number>-<issue-title> where type is task, bug, or feature
  • Title PRs as <type>/<issue-number> <issue title>
  • Use PULL_REQUEST_TEMPLATE.md structure with closes #<issue-number>
  • Assign c/<classname> labels for changed files in lib/metadataTypes/
  • Mirror the issue's milestone on the PR

• .github/pr-labeler.yml — adds copilot/feature/*, copilot/bug/*, copilot/task/* alongside existing patterns

• .husky/post-checkout — extends ticket ID extraction regex to match copilot/<type>/<id>-... branches while preserving all prior behavior:

  - '^((feature|bug|bugfix|fix|hotfix|task|chore)\/)?\K\d{1,7}'
  + '^((copilot\/)?(feature|bug|bugfix|fix|hotfix|task|chore)\/)?\K\d{1,7}'

Release details

Checklist

Before merge

• Wiki updated with info in ticket listed under Documentation
• ran npm run prepare-release (which runs npm audit fix, npm run lint-ts, npm run lint:fix, git add, git commit)
• pushed potential changes made by prepare-release

After merge

• merged all dependabot PRs that target main branch
• updated bug template to include the new version
• updated .mcdevrc for tests to the new version
• ran npm run version:major/minor/patch
• pushed version-prep commits
• merged main branch into develop branch
• closed GitHub milestone
• created new GitHub Release

Documentation

No documentation changes required.

Issues

Original prompt

---

This section details on the original issue you should resolve

<issue_title>[TASK] create copilot-instructions.md</issue_title>
<issue_description>Create a copilot-instructions.md file in the .github directory for this project.

commit message

It should direct to prefix every commit made for an assigned issue with its id in prefixing the message. Example:
#1234: commit message

branch name

The branch name should follow this pattern:

copilot/task/1234-issue-title
copilot/bug/1234-issue-title
copilot/feature/1234-issue-title

The word "task", "bug" or "feature" shall be derived from the issue type.

Side note: update .github/pr-labeler.yml to account for those new branches starting with "copilot/" as defined here, adding to what is already configured there.

Side note: update the regex in .husky/post-checkout to find the issue branches from copilot as well, on top of what it now finds in non-copilot branches (which follow the same pattern only without the leading "copilot/")

pr title

The pull request title should be similar to the branch name. Example:

Branch: copilot/task/1234-issue-title
Pr title: task/1234 issue title

Pr description

This text should follow the structure of .github/PULL_REQUEST_TEMPLATE.md

relationship

The PR shall be made related to the issue it was created for

labels

The repo has many "components" labels based on the class names in lib/metadataTypes. These labels are always prefixes with "c/". Example: "c/journey".
Based on changed classes in that above folder, try to assign pre existing labels to the pr.

milestone

assign the same milestone to the pr that the issue has assigned. </issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes [TASK] create copilot-instructions.md #2549

---

📍 Connect Copilot coding agent with Jira, Azure Boards or Linear to delegate work to Copilot in one click without leaving your project management tool.

[github-actions]

Coverage Report

Commit:b30b53d
Base: develop@30e9e94

Type	Base	This PR
Total Statements Coverage	71.07%	71.07%  (+0%)
Total Branches Coverage	70.76%	70.78%  (+0.02%)
Total Functions Coverage	83.77%	83.77%  (+0%)
Total Lines Coverage	71.07%	71.07%  (+0%)

Details (changed files):

File	Statements	Branches	Functions	Lines