diff --git a/kitchen/AGENT_LOG.md b/kitchen/AGENT_LOG.md
index 631f916..0848729 100644
--- a/kitchen/AGENT_LOG.md
+++ b/kitchen/AGENT_LOG.md
@@ -60,3 +60,7 @@
 - **2026-09-19T09:46:25Z** · RELEASE Spur A @local-model/engine-L2-grok-4.5 · **DONE** — live heading tick + muzzle/death FX; smoke PASS; 073f38d
 - **2026-09-19T09:47:40Z** · CLAIM Spur A @local-model/engine-L2-grok-4.5 · **ACTIVE** — engine-c/src/units.c + buildings.c + map.c; lasting death footprints ROCK/RUBBLE/SCRAP + scorch; TODO365
 - **2026-09-19T09:50:50Z** · RELEASE Spur A @local-model/engine-L2-grok-4.5 · **DONE** — lasting death RUBBLE/SCRAP scars + denser scorch; smoke PASS; bab3887
+
+- **2026-09-19T09:52:01Z** · CLAIM Spur A @local-model/engine-L2-grok-4.5 · **ACTIVE** — engine-c/src/engine.c; denser Evolved WALL/ROAD/scrap between bases; TODO365
+
+- **2026-09-19T09:52:59Z** · RELEASE Spur A @local-model/engine-L2-grok-4.5 · **DONE** — denser Evolved WALL/ROAD/scrap between bases; smoke PASS; 26afa8f
diff --git a/kitchen/COLLAB-SIGNUP.md b/kitchen/COLLAB-SIGNUP.md
index 166f5f5..32baee1 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 |
 |------------|---------------------|------|---------------|--------|------|
+| 2026-09-19T09:52:01Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/engine.c | DONE | smoke PASS; denser Evolved WALL/ROAD/scrap; 26afa8f |
 | 2026-09-19T09:50:50Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/units.c,buildings.c,map.c | DONE | smoke PASS; death RUBBLE/SCRAP scars; bab3887 |
 | 2026-09-19T09:46:25Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/render.c,units.c | DONE | smoke PASS; heading+muzzle/death FX; 073f38d |
 | 2026-09-19T09:41:30Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/engine.c | DONE | smoke PASS; Evolved bld+ROCK/crater; 55d7a4b |