docs(store): clarify AX examples for options

Co-Authored-By: Virgil <virgil@lethean.io>

compact.go

@@ -15,6 +15,8 @@ var defaultArchiveOutputDirectory = ".core/archive/"
 // compressed JSONL file.
 //
 // Usage example: `options := store.CompactOptions{Before: time.Now().Add(-90 * 24 * time.Hour), Output: "/tmp/archive", Format: "gzip"}`
+// The default output directory is `.core/archive/`; the default format is
+// `gzip`, and `zstd` is also supported.
 type CompactOptions struct {
 	// Usage example: `options := store.CompactOptions{Before: time.Now().Add(-90 * 24 * time.Hour)}`
 	Before time.Time

store.go

@@ -27,10 +27,11 @@ const (
 	entryValueColumn        = "entry_value"
 )
 
-// Usage example: `configuredStore, err := store.NewConfigured(store.StoreConfig{DatabasePath: ":memory:", Journal: store.JournalConfiguration{EndpointURL: "http://127.0.0.1:8086", Organisation: "core", BucketName: "events"}})`
+// Usage example: `storeInstance, err := store.New("/tmp/go-store.db", store.WithJournal("http://127.0.0.1:8086", "core", "events"), store.WithPurgeInterval(30*time.Second))`
 // Prefer `store.NewConfigured(store.StoreConfig{...})` when the configuration
-// is already known as a struct literal. Use `StoreOption` only when the values
-// need to be assembled incrementally.
+// is already known as a struct literal. Use `StoreOption` only when values
+// need to be assembled incrementally, such as when a caller receives them from
+// different sources.
 type StoreOption func(*StoreConfig)
 
 // Usage example: `config := store.StoreConfig{DatabasePath: ":memory:", PurgeInterval: 30 * time.Second}`