opencode-provider-switch/.opencode/commands/trellis/before-dev.md
2026-04-16 23:46:01 +08:00

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Read the relevant development guidelines before starting your task.
Execute these steps:
1. **Discover packages and their spec layers**:
```bash
python3 ./.trellis/scripts/get_context.py --mode packages
```
2. **Identify which specs apply** to your task based on:
- Which package you're modifying (e.g., `cli/`, `docs-site/`)
- What type of work (backend, frontend, unit-test, docs, etc.)
3. **Read the spec index** for each relevant module:
```bash
cat .trellis/spec/<package>/<layer>/index.md
```
Follow the **"Pre-Development Checklist"** section in the index.
4. **Read the specific guideline files** listed in the Pre-Development Checklist that are relevant to your task. The index is NOT the goal — it points you to the actual guideline files (e.g., `error-handling.md`, `conventions.md`, `mock-strategies.md`). Read those files to understand the coding standards and patterns.
5. **Always read shared guides**:
```bash
cat .trellis/spec/guides/index.md
```
6. Understand the coding standards and patterns you need to follow, then proceed with your development plan.
This step is **mandatory** before writing any code.