This exposes the communication between the runner and the remote cache storage, showing you if the network is failing or if the key lookup is returning a "404 Not Found." The "Cache-Hit" Checklist
This is where the debug-action-cache flag (or concept) becomes your most valuable tool. What is Action Caching? debug-action-cache
Are your file paths absolute or relative? Always prefer relative paths for better portability. This exposes the communication between the runner and