meta {
  name: Create Reply
  type: http
  seq: 1
}

post {
  url: {{appview_url}}/api/posts
}

headers {
  Content-Type: application/json
}

body:json {
  {
    "text": "This is a reply",
    "rootPostId": "1",
    "parentPostId": "1"
  }
}

assert {
  res.status: eq 201
  res.body.uri: isDefined
  res.body.cid: isDefined
  res.body.rkey: isDefined
}

docs {
  Create a reply to an existing post.

  Required body:
  {
    "text": "Reply text (1-10000 chars, trimmed)",
    "rootPostId": "1",    // Topic (thread starter) ID
    "parentPostId": "1"   // Direct parent post ID (can be same as rootPostId)
  }

  Returns:
  {
    "uri": "at://did:plc:.../space.atbb.post/...",
    "cid": "...",
    "rkey": "..."
  }

  Requires authentication (valid session cookie).

  Validation:
  - Both rootPostId and parentPostId must exist
  - Parent must belong to the same thread (parent.rootPostId == rootPostId OR parent is root)
  - Root post must have a forum reference

  Returns 400 for invalid input or validation failures.
  Returns 401 if not authenticated.
  Returns 404 if root or parent post not found.
  Returns 503 if PDS unreachable (network error).
  Returns 500 for server errors.
}