Remove Downvote from Comment

Endpoint

URL: /:projectId/comments/:commentId/remove-downvote

Method: PATCH

Authentication Required: Yes

Removes a previously added downvote from a comment by the authenticated user.

Parameter	Type	Required	Description
`commentId`	`string`	Yes	The ID of the comment to un-downvote.

Header	Type	Required	Description
`Authorization`	`string`	Yes	Bearer token for authenticated users.

Returns the updated comment:

{
  "id": "comment-123",
  "entityId": "entity-456",
  "upvotes": [],
  "downvotes": [],
  "content": "Appreciate this perspective.",
  ...
}

{
  "error": "Missing required data",
  "code": "comment/missing-data"
}

{
  "error": "Comment not found",
  "code": "comment/not-found"
}

{
  "error": "User hasn't downvoted this comment",
  "code": "comment/not-downvoted"
}

{
  "error": "Internal server error.",
  "code": "comment/server-error",
  "details": "[error message]"
}