[web] display project history blob size on admin pages (#28351)

* [history-v1] add endpoint for getting blob stats of projects

* [web] display project history blob size on admin pages

* [web] break down history storage size by text and binary blob

GitOrigin-RevId: bfa4d56cf2c503d03005c13a0f7ac38158156cd2

services/web/frontend/extracted-translations.json

@@ -1612,6 +1612,7 @@
   "sign_up": "",
   "simple_search_mode": "",
   "single_sign_on_sso": "",
+  "size": "",
   "something_not_right": "",
   "something_went_wrong": "",
   "something_went_wrong_canceling_your_subscription": "",

services/web/frontend/js/utils/meta.ts

@@ -151,6 +151,15 @@ export interface Meta {
   'ol-hasTrackChangesFeature': boolean
   'ol-hasWriteAccess': boolean
   'ol-hideLinkingWidgets': boolean // CI only
+  'ol-historyBlobStats': {
+    projectId: string
+    textBlobsBytes: number
+    binaryBlobsBytes: number
+    totalBytes: number
+    nTextBlobs: number
+    nBinaryBlobs: number
+    owned?: boolean
+  }
   'ol-i18n': { currentLangCode: string }
   'ol-inactiveTutorials': string[]
   'ol-institutionEmailNonCanonical': string | undefined