diff --git a/CHECKPOINT-encryption.md b/CHECKPOINT-encryption.md
index d5dd9fd..85f9949 100644
--- a/CHECKPOINT-encryption.md
+++ b/CHECKPOINT-encryption.md
@@ -1,15 +1,16 @@
 # Checkpoint — stdin EAGAIN fix, accent theme, identity backfill (2026-09-28 evening)
 
 ## Where things are
-- Project: `/home/avi/Projects/Keynctr`, branch `master` @ **`5b60ae3`**
-  ("feat(profiles): persistent identity backfill for generic pairing labels").
-  Previous: `a6182e3` (iOS blue accent for Workshop Dark + custom accent
+- Project: `/home/avi/Projects/Keynctr`, branch `master` @ **`4d0df31`**
+  ("feat(theme): Archipelago — synthwave sunset sea from reference art").
+  Previous: `5b60ae3` (persistent identity backfill for generic pairing
+  labels), `a6182e3` (iOS blue accent for Workshop Dark + custom accent
   setting), `9770f46` (stdin blocking-thread reader — EAGAIN crash fix),
   `6bff188` (docs), `dcc701f` (no-restart self-update).
 - Working tree: clean for tracked files. Untracked intentionally NOT
   committed: `COSMIC_THEME.md`, `KeynectrAppIconPossibility02.jpeg`,
   `deferred/SignerConnectionPanel.tsx.wip/`.
-- Release binary rebuilt 2026-09-28 12:02 (from the 5b60ae3 tree).
+- Release binary rebuilt 2026-09-28 ~12:40 (from the 4d0df31 tree).
 - origin/master is at `a6182e3`; local is 1 commit ahead — push still blocked
   (no Forgejo token stored for this session; HTTPS asks for credentials).
 
@@ -36,6 +37,11 @@
    re-fetches kind-0 for Nip46Client rows still wearing generic
    "Amber"/"Remote Signer" placeholders; user renames never overwritten;
    locked vaults skipped; network off-lock, 90 s budget per identity.
+4. **`4d0df31` Archipelago theme** — new `archipelago` theme from the user's
+   synthwave reference art: teal-navy dusk canvas, coral (#f0685c) scanline
+   sun glow + pink cloud banks + faint horizontal scanlines on `.main`
+   (fixed attachment), glassmorphic blur on cards/sidebar, white logo filter.
+   Settings -> Appearance -> "Archipelago - Sunset Sea".
 
 ## Verification (2026-09-28 evening cron pass)
 - `cargo test` → 221 unit + 6 e2e passed, 0 failed.