Custom Slash Commands

/create-command

# Command Name

Brief description of what this command does.

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## Operation Types

| Marker | Meaning | Executor |
|--------|---------|----------|
| `[AI]` | AI executes | You (AI) |
| `[USER]` | User executes | User |

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## Step 1: Read Context `[AI]`

```bash
cat .trellis/spec/relevant-spec.md

**Principles**:
- Each command does one thing
- Clearly mark which steps are AI's and which are the user's
- List files that need to be read
- Define output format

### 9.4 Example: Creating a `/deploy-check` Command

`.claude/commands/deploy-check.md`:

```markdown
# Deploy Check

Pre-deployment verification checklist.

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## Step 1: Read deployment config `[AI]`

```bash
cat deploy.config.js
cat .env.production

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