{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://git.eeqj.de/sneak/chat/schema/commands/PRIVMSG.json",
  "title": "PRIVMSG",
  "description": "Send a message to a channel or user. C2S: client sends to server. S2C: server relays to recipients. RFC 1459 §4.4.1.",
  "$ref": "../message.json",
  "properties": {
    "command": { "const": "PRIVMSG" },
    "from": { "type": "string", "description": "Sender nick (set by server on relay)." },
    "to": { "type": "string", "description": "Target: #channel or nick.", "examples": ["#general", "alice"] },
    "body": {
      "type": "array",
      "items": { "type": "string" },
      "description": "Message lines. One string per line.",
      "minItems": 1
    }
  },
  "required": ["command", "to", "body"],
  "examples": [
    { "command": "PRIVMSG", "from": "bob", "to": "#general", "body": ["hello world"] },
    { "command": "PRIVMSG", "from": "bob", "to": "#general", "body": ["line one", "line two"] },
    { "command": "PRIVMSG", "from": "bob", "to": "alice", "body": ["hey"], "meta": { "sig": "base64...", "alg": "ed25519" } }
  ]
}