add a pull request template and CODEOWNERS

[phanan]

This repo has issue templates but no pull request template and no CODEOWNERS, so contributor PRs arrive with a bare description and request nobody's review. koel/koel has both; this repo was set up separately and never got them.

CODEOWNERS is * @phanan, matching koel/koel. It requests review automatically on every PR — worth noting it does not populate the Assignees field, which GitHub never fills in on its own; a review request is what drives the notification.

The pull request template follows koel/koel's, with the Screenshots section dropped (rarely meaningful for an image build) and the testing checklist adjusted to what matters here: testing against a built image, and updating goss.yaml when the change affects files, ports or packages.

Summary by CodeRabbit

• Documentation
  • Added a pull request template for Docker image contributions, including description, motivation, testing, configuration, and documentation checklists.
• Chores
  • Assigned repository-wide code ownership for streamlined review routing.

[coderabbitai]

📝 Walkthrough

Walkthrough

The repository assigns a global code owner and adds a pull request template for Docker image contributions. The template requests a description, motivation, image testing, goss.yaml updates, and documentation updates.

Changes

Repository contribution governance

Layer / File(s)	Summary
Contribution governance .github/CODEOWNERS, .github/pull_request_template.md	The repository assigns a global code owner. The pull request template adds contribution prompts and a checklist for image testing, goss.yaml, and documentation updates.

Estimated code review effort: 1 (Trivial) | ~3 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely summarizes the addition of the pull request template and CODEOWNERS file.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch add-codeowners-and-pr-template

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In @.github/pull_request_template.md:
- Line 13: Update the Goss checklist item in the pull request template to
mention processes and command outputs alongside files, ports, and packages,
preserving the existing conditional wording.

🪄 Autofix

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: f9f6873a-305e-4880-bec3-6d6441b2c22e

📥 Commits

Reviewing files that changed from the base of the PR and between 9bb9360 and 6709a59.

📒 Files selected for processing (2)

• .github/CODEOWNERS
• .github/pull_request_template.md

[coderabbitai]

🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

Include processes and command outputs in the Goss checklist.

AGENTS.md:31-34 states that Goss checks files, ports, processes, and command outputs. This checklist names only files, ports, and packages. Update the condition to include processes and command outputs.

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In @.github/pull_request_template.md at line 13, Update the Goss checklist item
in the pull request template to mention processes and command outputs alongside
files, ports, and packages, preserving the existing conditional wording.