What problem does this address?

The plugin was missing the action link for “Settings” on the Plugins page in the WordPress admin. Because this link was not present, users had no direct way to navigate to the plugin’s settings page from the plugin list table, which reduces usability and is inconsistent with standard WordPress plugin behavior.

What is your proposed solution?

Add a plugin_action_links() function that injects a Settings link into the plugin’s action links. This ensures users can quickly access the plugin settings from the Plugins screen.