Add bypassDatabase() to consolidate the repeated LoadServerConfig + NewHeadscaleDatabase pattern in getPolicy and setPolicy. Replace os.Open + io.ReadAll with os.ReadFile in setPolicy and checkPolicy, removing the manual file-handle management.
Add bypassDatabase() to consolidate the repeated LoadServerConfig + NewHeadscaleDatabase pattern in getPolicy and setPolicy. Replace os.Open + io.ReadAll with os.ReadFile in setPolicy and checkPolicy, removing the manual file-handle management.