index cec6fb8..4af1ef6 100644
@@ -1,3 +1,18 @@
-# log
+---
+tags:
+- meta
+title: log
+type: log
+visibility: public
+---
-append-only record. format: `## [YYYY-MM-DD] type | title`
+# Log
+
+Append-only changelog. Newest at top.
+
+## [2026-04-22] wiki initialized
+
+- Created [[index]] as landing page.
+- Ingested [[raw/mushanghai-org-2026-04-22|official-site snapshot]] as the founding source document.
+- Compiled four wiki pages from the source: [[about]], [[the-mu]], [[themes]], [[applying]].
+- Created [[may-2026]] as a pre-event scaffold for the upcoming edition.
\ No newline at end of file