docs: expand configuration docs for admin and BadgerDB

Update README to explain startup config precedence (defaults/env/admin overrides),
document admin/bootstrap and feature toggles, and clarify storage locations under
WARPBOX_DATA_DIR including BadgerDB metadata. Also refresh project layout to
include new config and metastore packages.docs: expand configuration docs for admin and BadgerDB

Update README to explain startup config precedence (defaults/env/admin overrides),
document admin/bootstrap and feature toggles, and clarify storage locations under
WARPBOX_DATA_DIR including BadgerDB metadata. Also refresh project layout to
include new config and metastore packages.

lib/models/models.go

@@ -54,6 +54,18 @@ type BoxManifest struct {
 	OneTimeDownload bool      `json:"one_time_download,omitempty"`
 }
 
+type BoxSummary struct {
+	ID                string
+	FileCount         int
+	TotalSize         int64
+	TotalSizeLabel    string
+	CreatedAt         time.Time
+	ExpiresAt         time.Time
+	Expired           bool
+	OneTimeDownload   bool
+	PasswordProtected bool
+}
+
 type CreateBoxRequest struct {
 	Files        []CreateBoxFileRequest `json:"files"`
 	RetentionKey string                 `json:"retention_key"`