{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://git.eeqj.de/sneak/chat/schema/c2s/join.json",
  "title": "C2S Join",
  "description": "Join a channel. Submitted via POST /api/v1/channels/join.",
  "type": "object",
  "properties": {
    "channel": {
      "type": "string",
      "description": "Channel name (# prefix optional, server will add it).",
      "pattern": "^#?[a-zA-Z0-9_-]+$",
      "examples": ["#general", "dev"]
    }
  },
  "required": ["channel"],
  "additionalProperties": false
}