# Operations (day-2)

**Status:** Doctor (S6) implemented.

## Health checks (doctor)

```bash
# Run all health checks (human-readable)
make doctor
# or
./scripts/doctor.sh

# Machine-readable JSON summary
./scripts/doctor.sh --json
```

**What doctor checks:**

| Check | What it validates | Severity |
|-------|-------------------|----------|
| Docker | Daemon running and accessible | Critical |
| nemohermes CLI | Installed and versioned | Critical |
| openshell CLI | Installed and versioned | Critical |
| Sandbox | `nemohermes <name> doctor` healthy | Critical |
| Policy | `lumina-inference` preset applied | Warning |
| Skills | Skill directories with SKILL.md present | Warning |
| Inference endpoint | `/v1/models` reachable from .env URL | Critical |
| Inference gateway | `openshell inference get` configured | Warning |

**Exit codes:** `0` = all critical checks passed; `1` = one or more critical failures.

## Platform diagnostics

```bash
# Sandbox status
nemohermes <sandbox-name> status

# Sandbox doctor (platform-level)
nemohermes <sandbox-name> doctor

# Sandbox logs
nemohermes <sandbox-name> logs --follow

# Gateway status
openshell status

# Inference config
openshell inference get

# Policy presets
nemohermes <sandbox-name> policy-list
```

## Log levels

| Level | Default | Use |
|-------|---------|-----|
| production | Yes | Redacted events, errors, health |
| debug | Off | Operator troubleshooting |
| trace | Off | Dev only |

## Updates

[UPGRADE.md](UPGRADE.md) · [design/updates-lifecycle.md](../design/updates-lifecycle.md)