Clarify published-index status

README.md

@@ -100,8 +100,10 @@ videos are not yet published. This is an active construction release.
 
 ## Snapshot and Coverage
 
-This documentation describes merged repository revision
-`3967721ce363316cb7475be648af34a66bc83c27` and the live Viewer rebuilt from it.
+These counts describe the current `main` branch. The 467-row v0.2 media
+membership was established at revision
+`3967721ce363316cb7475be648af34a66bc83c27`; later card and schema revisions
+preserve the same 338 Standard / 129 Pre-Standard membership.
 
 | Collection tier | Published MP4s | Indexed rows | Date coverage | Metadata state |
 | --- | ---: | ---: | --- | --- |
@@ -140,6 +142,11 @@ tier membership directly: the root canonical CSV sets
 `collection_tier = standard` and `is_canonical = true`; the Pre-Standard CSV
 sets `collection_tier = pre_standard` and `is_canonical = false`.
 
+Published-index completeness is defined by the 467 rows in `default/train` and
+the matching generated Parquet export. Hugging Face's separate column
+Statistics job is an auxiliary, asynchronous surface; its availability is not
+used to claim or reject row-level completeness.
+
 There is no explicit `configs:` block in this release. A broad canonical
 folder glob could accidentally include the nested
 `Standard_Time_Lapses/Provenance/` subtree. Separate canonical and