{
  "lexicon": 1,
  "id": "sh.tangled.repo.applyChanges",
  "defs": {
    "main": {
      "type": "procedure",
      "description": "Apply Pijul changes to a repository channel. Used for merging discussions.",
      "input": {
        "encoding": "application/json",
        "schema": {
          "type": "object",
          "required": ["repo", "channel", "changes"],
          "properties": {
            "repo": {
              "type": "string",
              "description": "Repository identifier in format 'did:plc:.../repoName'"
            },
            "channel": {
              "type": "string",
              "description": "Target channel to apply changes to"
            },
            "changes": {
              "type": "array",
              "items": {
                "type": "string"
              },
              "description": "List of change hashes to apply (in order)"
            }
          }
        }
      },
      "output": {
        "encoding": "application/json",
        "schema": {
          "type": "object",
          "required": ["applied"],
          "properties": {
            "applied": {
              "type": "array",
              "items": {
                "type": "string"
              },
              "description": "List of successfully applied change hashes"
            },
            "failed": {
              "type": "array",
              "items": {
                "type": "object",
                "required": ["hash", "error"],
                "properties": {
                  "hash": {
                    "type": "string"
                  },
                  "error": {
                    "type": "string"
                  }
                }
              },
              "description": "List of changes that failed to apply"
            }
          }
        }
      },
      "errors": [
        {
          "name": "InvalidRequest"
        },
        {
          "name": "RepoNotFound"
        },
        {
          "name": "ChannelNotFound"
        },
        {
          "name": "ApplyFailed"
        }
      ]
    }
  }
}