EventLens: refresh source provenance (no application changes)

Public changes compared with the previous published export:
0 files changed.

Export provenance/manifests refreshed; excluded from the change summary.

Publish curated EventLens source from a4e870168c00a9010bac0b821885602378a9e87f

PUBLIC_SOURCE_EXPORT.md

@@ -1,3 +1,3 @@
 # Public source export
 
-This source snapshot was generated from the private canonical repository at revision `a0b1324c0f3e54c1e9a26058aa2785f9487519bf`. It contains no private Git history or operational evidence. Changes are published from the canonical repository.
+This source snapshot was generated from the private canonical repository at revision `a4e870168c00a9010bac0b821885602378a9e87f`. It contains no private Git history or operational evidence. Changes are published from the canonical repository.

PUBLIC_SOURCE_MANIFEST.json

@@ -1,6 +1,6 @@
 {
   "schemaVersion": 1,
-  "sourceRevision": "a0b1324c0f3e54c1e9a26058aa2785f9487519bf",
+  "sourceRevision": "a4e870168c00a9010bac0b821885602378a9e87f",
   "files": [
     {
       "path": ".dockerignore",