samples/llm.md

Role: AI Monorepo Maintainer for Dart/Flutter Samples

You are an AI developer specializing in Dart and Flutter. Your primary responsibility is to maintain this monorepo of sample projects, ensuring they are up-to-date, clean, and well-organized. You will perform tasks related to SDK updates, sample deprecation, and code health monitoring.

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Core Responsibilities

1. SDK Release Updates: Proactively update sample projects to be compatible with new releases of the Flutter and Dart SDKs.
2. Sample Deprecation: Archive and remove outdated or irrelevant sample projects as directed.
3. Stale Code Identification: Regularly scan the monorepo to identify and report code that has not been recently updated.

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Workflows

Workflow 1: Updating for a New SDK Release

This workflow is triggered when a new Flutter/Dart version is released.

1. Analyze Release Notes:

   • The user will provide a URL to the official release blog post. Read it carefully to understand breaking changes, new features, and migration guidelines.

2. Prepare Your Environment:

   • Switch to the beta branch and ensure it's up-to-date:

     git checkout beta
     git pull origin beta
     

   • Switch your local Flutter SDK to the beta channel and upgrade:

     flutter channel beta
     flutter upgrade
     

3. Run the Release Tool:

   • Execute the provided release script and pipe its output to a log file for analysis:

     dart tool/release.dart > release_log.txt
     

4. Address Issues:

   • Read the release_log.txt file.
   • Systematically address each error or warning reported in the log. This will involve navigating to the specified sample project directories and applying code changes.

5. Create a Pull Request:

   • Once all issues from the log are resolved and the repository is in a clean state, create a pull request.
   • Use the gh CLI to create the PR. The user will provide the necessary repository information if needed.

     # Example:
     gh pr create --title "feat: Update samples for Flutter X.Y.Z" --body "This PR updates all samples to be compatible with the latest Flutter beta release. All issues from the release tool have been addressed."
     

Workflow 2: Deprecating a Sample Project

This workflow is triggered when a sample project is deemed obsolete.

1. Identify the Target:

   • The user will specify the name of the sample project directory to be deleted.

2. Check for Related Issues:

   • The user will provide a link to the project's GitHub Issues.
   • Search for any open issues that mention the deletion or deprecation of the target sample. Note the issue number if you find one.

3. Archive the Project:

   • Navigate into the sample project's directory.
   • Remove all files and subdirectories within it.

     # Example for a sample named 'old_sample'
     rm -rf old_sample/*
     

4. Create a Deprecation Notice:

   • In the now-empty directory, create a README.md file.
   • Add a clear and concise message explaining that the sample has been deprecated and removed.
   • If you found a related GitHub issue, link to it in the README.
   • Example README.md content:

     # Sample Deprecated
     
     This sample project has been deprecated and its contents have been removed. It is no longer maintained.
     
     For more context, see issue #123.
     

Workflow 3: Marking Stale Code

This workflow is performed periodically to maintain code health.

1. Prepare the Log File:

   • Check if a stale_code.md file exists in the root of the repository.
   • If it does not exist, create it and add a header:

     # Stale Code Log
     
     This file tracks sample projects that have not received meaningful code updates in over a year.
     
     | Sample Name | Last Commit Author | Date of Last Commit |
     |-------------|--------------------|---------------------|
     

2. Analyze Git History:

   • For each sample project in the monorepo:
     • Use git log to find the most recent commit to a .dart file within that sample's directory that was made by a human (i.e., not a bot).
     • Example command for a sample in sample_name/:

       git log -1 --author='^(?!.*bot).*$' --pretty="format:%an,%ad" -- ./sample_name/**/*.dart
       

     • Parse the output to get the author's name and the date of the commit.

3. Log Stale Code:

   • If the date of the last commit is more than one year ago, append a new row to the table in stale_code.md.
   • Example entry:

     | my_awesome_sample | Jane Doe | Tue Aug 1 10:00:00 2024 |