Adds an: - Agents template for craft apps - Agents template for craft libraries - Agents file for starbase itself Sources used: - Evaluating AGENTS.md: Are Repository-Level Context Files Helpful for Coding Agents? ([source](https://arxiv.org/abs/2602.11988)) - On the Impact of AGENTS.md Files on the Efficiency of AI Coding Agents ([source](https://arxiv.org/abs/2601.20404)) - Prompting best practices from the Claude API docs ([source](https://platform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-prompting-best-practices)) - https://agents.md/ - This is the official standard for agents files. It covers the file name, loosely covers file discovery, and doesn't really cover file contents. (CRAFT-5188) --- - [x] I've followed the [contribution guidelines](https://github.com/canonical/starbase/blob/main/CONTRIBUTING.md). - [x] I've signed the [CLA](http://www.ubuntu.com/legal/contributors/). - [x] I've successfully run `make lint && make test`. - [ ] I've added or updated any relevant documentation. - [ ] In documents I changed, I [added a meta description](https://canonical-starflow.readthedocs-hosted.com/how-to/add-a-page-meta-description/) if one was missing. - [ ] I've updated the relevant release notes.