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docs/modules/verae-fleet/health.md

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+# `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`.
+