Create number and JSON flags

// shipd.config.ts
import { defineFlags } from "shipdit/config";

export default defineFlags({
  "max-retries": {
    type: "number",
    default: 3,
    description: "Max retries for outbound API calls",
  },
  "checkout-payload": {
    type: "json",
    default: { mode: "strict", showPromo: true },
    description: "Checkout UI settings",
  },
});

// Entries inside config.ShipdConfig (import github.com/alasti-company/useshipd.com/sdks/go/config).
"max-retries": {Type: "number", Default: 3},
"checkout-payload": {Type: "json",
    Default: map[string]any{"mode": "strict", "showPromo": true}},

// src/invoices.ts
const retries = shipd.getNumber("max-retries");
await fetchInvoice(id, { retries });

// invoices.go
retries := client.GetNumber("max-retries", shipd.EvaluationContext{})
// GetNumber returns float64. Validate and convert it for your application's API.

// src/checkout.ts
const ui = shipd.getJson("checkout-payload");
// typed from the default's shape in FlagDefinitions

// checkout.go
ui := client.GetJSON("checkout-payload", shipd.EvaluationContext{})
payload, ok := ui.(map[string]any)
if ok {
    mode, _ := payload["mode"].(string)
    _ = mode
}