# `verae-fleet/health`

**Package:** `verae-fleet`  
**Source:** `packages/verae-fleet/src/health.js`  
**Lines:** 119

## What this module is

Implementation module in `verae-fleet`. The tables below are extracted from the source (signatures + JSDoc).

## Exports

`httpProbe`, `tcpProbe`, `postControl`, `heartbeatFresh`

## Types / interfaces / classes

_None extracted._

## Functions

| Name | Parameters | Param types (JSDoc) | Returns | Calls (same file / helpers) |
|------|------------|---------------------|---------|-----------------------------|
| `httpProbe` | `portOrOpts, pathname = '/health', timeoutMs = 800` | — | `unknown` | see Call graph |
| `tcpProbe` | `host, port, timeoutMs = 400` | — | `unknown` | see Call graph |
| `postControl` | `portOrOpts, pathname = '/'` | pathname: `string` | `unknown` | see Call graph |
| `heartbeatFresh` | `stateDir, maxAgeMs` | — | `unknown` | see Call graph |
| `done` | `ok, error` | — | `unknown` | see Call graph |

## What it imports / requires

- `node:http`
- `node:net`
- `node:fs`
- `node:path`

## Call graph (identifiers invoked)

`httpProbe`, `get`, `on`, `push`, `parse`, `concat`, `toString`, `resolve`, `destroy`, `tcpProbe`, `connect`, `setTimeout`, `done`, `postControl`, `stringify`, `request`, `byteLength`, `write`, `end`, `heartbeatFresh`, `join`, `statSync`, `readFileSync`, `now`

Each identifier is a call site in this file. Follow the import list to see the defining module; open that module’s MD for parameter and return types.

## Return values (how to read this)

- HTTP route handlers return Express `res.json(...)` bodies (see route docs).
- Zapier `perform` functions return a **single object** (creates) or an **array** (triggers/searches).
- Pricing functions return integer **cents** on `Quote.totalCents`.