Better Copilot tooling

.github/AGENTS.md

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+This is a Go based repository with a VueJS client for the frontend built with Vite and Nuxt, with ShadCN. 
+
+To make life easier, the use of a Taskfile is included for the majority of development commands.
+
+Please follow these guidelines when contributing:
+
+## Required Before Each Commit
+- Generate Swagger Files: `task swag --force`
+- Generate JS API Client: `task typescript-types --force`
+- Lint Golang: `task go:lint`
+- Lint frontend: `task ui:fix`
+
+## Repository Structure
+### Backend
+- `backend/`: Contains the backend folders
+- `backend/app`: Contains main app code including API endpoints
+- `backend/internal/core`: Contains basic services such as currencies
+- `backend/data`: Contains all information related to data, including `ent` schemas, repos, migrations, etc.
+- `backend/data/migrations`: Contains migration data, the `sqlite3` sub-folder contains sqlite migrations, `postgres` sub-folder the postgres migrations, BOTH are REQUIRED.
+- `backend/data/ent/schema`: Contains the actual `ent` data models.
+- `backend/data/repo`: Contains the data repositories
+- `backend/pkgs`: Contains general helper functions and services
+
+### Frontend
+- `frontend/`: Contains initial frontend files
+- `frontend/components`: Contains the ShadCN components
+- `frontend/locales`: Contains the i18n JSON for languages
+- `frontend/pages`: Contains VueJS pages
+- `frontend/test`: Contains Playwright setup
+- `frontend/test/e2e`: Contains actual Playwright test files
+
+### Docs
+- `docs/`: Contains VitePress based documentation
+
+## Key Guidelines
+1. Follow best practices for the various programming languages
+2. Maintain existing code structure and organization when possible
+3. Use dependency injection when reasonable
+4. Write tests for new functionality and after fixing bugs to validate they're fixed
+5. Document changes to the `docs/` folder when appropriate