{
  "type": "object",
  "properties": {
    "launchDate": {
      "type": "string",
      "format": "date-time",
      "description": "ISO time with offset, within two years of the current time."
    },
    "appStoreUrl": {
      "anyOf": [
        {
          "type": "string",
          "maxLength": 300,
          "description": "An https://apps.apple.com listing URL; empty or null clears it."
        },
        {
          "type": "null"
        }
      ]
    },
    "note": {
      "anyOf": [
        {
          "type": "string",
          "maxLength": 500,
          "description": "Operator note."
        },
        {
          "type": "null"
        }
      ]
    },
    "expectedVersion": {
      "type": "integer",
      "minimum": 0,
      "description": "Version loaded by the editor; conflict returns 409."
    }
  },
  "required": [
    "launchDate"
  ],
  "additionalProperties": false
}

/** PUT /api/admin/config {launchDate, appStoreUrl?, note?, expectedVersion?} — owner only, fresh step-up, audited. */
export const PUT = adminRoute("config.write", async (request, ctx) => {
  const input = await readBody(request, siteConfigInput());
  return adminJson(await updateSiteConfig(ctx, input));
}, { stepUp: true, rateLimit: "config" });