feat: keep what was loaded between runs, and start where you left off

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

internal/config/config.go

@@ -40,6 +40,9 @@ type Config struct {
 	// background; defaults to true. U and lazysecrets update work either
 	// way.
 	UpdateCheck *bool `yaml:"updateCheck"`
+	// Cache keeps what was loaded (never values) between runs, so lists
+	// show at once and refresh in the background; defaults to true.
+	Cache *bool `yaml:"cache"`
 	// CollapseGroups starts the Sources pane with its groups folded;
 	// defaults to true.
 	CollapseGroups *bool     `yaml:"collapseGroups"`
@@ -119,6 +122,12 @@ func Dir() (string, error) {
 	return xdgDir("XDG_CONFIG_HOME", ".config")
 }
 
+// CacheDir is $XDG_CACHE_HOME/lazysecrets, defaulting to
+// ~/.cache/lazysecrets. It holds what was loaded, to show it at once.
+func CacheDir() (string, error) {
+	return xdgDir("XDG_CACHE_HOME", ".cache")
+}
+
 // StateDir is $XDG_STATE_HOME/lazysecrets, defaulting to
 // ~/.local/state/lazysecrets. It holds data the app writes, like favourites.
 func StateDir() (string, error) {