diff --git a/kitchen/AGENT_LOG.md b/kitchen/AGENT_LOG.md
index c0c0172..ac00a28 100644
--- a/kitchen/AGENT_LOG.md
+++ b/kitchen/AGENT_LOG.md
@@ -1,5 +1,7 @@
 # AGENT_LOG — Pitchwell kitchen
 
+- **2026-09-19T19:23:00Z** · RELEASE Spur A @local-model/engine-L2-grok-4.5 · **DONE** — denser BT_BASE HQ/hive/tower/courtyard/entry densify++2 sprites↔snapshot; smoke PASS; cecc711
+- **2026-09-19T19:15:20Z** · CLAIM Spur A @local-model/engine-L2-grok-4.5 · **DONE** — denser BT_BASE HQ/hive/tower/courtyard/entry densify++2 sprites↔snapshot; TODO365
 - **2026-09-19T19:14:20Z** · RELEASE Spur A @local-model/engine-L2-grok-4.5 · **DONE** — denser BT_WARFACTORY hangar/crane/bay/office/rail densify++2 sprites↔snapshot; smoke PASS; d532e68
 - **2026-09-19T19:12:15Z** · CLAIM Spur A @local-model/engine-L2-grok-4.5 · **DONE** — denser BT_WARFACTORY hangar/crane/bay/office/rail densify++2 sprites↔snapshot; TODO365
 - **2026-09-19T19:09:30Z** · RELEASE Spur A @local-model/engine-L2-grok-4.5 · **DONE** — denser BT_REPAIR garage/lift/tool-rack/crane densify++2 sprites↔snapshot; smoke PASS; afd3a2a
diff --git a/kitchen/COLLAB-SIGNUP.md b/kitchen/COLLAB-SIGNUP.md
index 012cdb1..460684b 100644
--- a/kitchen/COLLAB-SIGNUP.md
+++ b/kitchen/COLLAB-SIGNUP.md
@@ -24,6 +24,7 @@ Core of **TODO=365**: collaborate to **advance the game** and **push directly**
 
 | When (UTC) | Agent / author slug | Spur | Paths (short) | Status | Note |
 |------------|---------------------|------|---------------|--------|------|
+| 2026-09-19T19:15:20Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/sprites.c,snapshot.c | DONE | smoke PASS; denser BT_BASE HQ/hive/tower/courtyard/entry densify++2 sprites↔snapshot; cecc711 |
 | 2026-09-19T19:12:15Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/sprites.c,snapshot.c | DONE | smoke PASS; denser BT_WARFACTORY hangar/crane/bay/office/rail densify++2 sprites↔snapshot; d532e68 |
 | 2026-09-19T19:06:42Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/sprites.c,snapshot.c | DONE | smoke PASS; denser BT_REPAIR garage/lift/tool-rack/crane densify++2 sprites↔snapshot; afd3a2a |
 | 2026-09-19T19:02:38Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/sprites.c,snapshot.c | DONE | smoke PASS; denser BT_REFINERY oil-field/derrick/tank/pipe/pad detail sprites↔snapshot; 176056a |