Function addErrorsToAppState

src/services/mcp/useManageMCPConnections.ts:103–132

* Add errors to AppState, deduplicating to avoid showing the same error multiple times

(
  setAppState: (updater: (prev: AppState) => AppState) => void,
  newErrors: PluginError[],
)

 * Add errors to AppState, deduplicating to avoid showing the same error multiple times
 */
function addErrorsToAppState(
  setAppState: (updater: (prev: AppState) => AppState) => void,
  newErrors: PluginError[],
): void {
  if (newErrors.length === 0) return

  setAppState(prevState => {
    // Build set of existing error keys
    const existingKeys = new Set(
      prevState.plugins.errors.map(e => getErrorKey(e)),
    )

    // Only add errors that don't already exist
    const uniqueNewErrors = newErrors.filter(
      error => !existingKeys.has(getErrorKey(error)),
    )

    if (uniqueNewErrors.length === 0) {
      return prevState
    }

    return {
      ...prevState,
      plugins: {
        ...prevState.plugins,
        errors: [...prevState.plugins.errors, ...uniqueNewErrors],
      },
    }
  })
}

/**
 * Hook to manage MCP (Model Context Protocol) server connections and updates