diff --git a/engine-c/openkknd b/engine-c/openkknd
index 373fb0d..6793206 100755
Binary files a/engine-c/openkknd and b/engine-c/openkknd differ
diff --git a/kitchen/AGENT_LOG.md b/kitchen/AGENT_LOG.md
index ac420cd..1afb106 100644
--- a/kitchen/AGENT_LOG.md
+++ b/kitchen/AGENT_LOG.md
@@ -1,5 +1,6 @@
 # AGENT_LOG — Pitchwell kitchen
 
+- **2026-09-19T17:27:28Z** · CLAIM Spur A @local-model/engine-L2-grok-4.5 · **ACTIVE** — denser BT_BASE HQ/hive/tower/courtyard/entry silhouettes sprites↔snapshot; TODO365
 - **2026-09-19T17:26:20Z** · RELEASE Spur A @local-model/engine-L2-grok-4.5 · **DONE** — denser BT_WALL fort/battlement/gate/scar silhouettes sprites↔snapshot; smoke PASS; 3cf39ff
 - **2026-09-19T17:23:20Z** · CLAIM Spur A @local-model/engine-L2-grok-4.5 · **DONE** — denser BT_WALL fort/battlement/gate/scar silhouettes sprites↔snapshot; TODO365
 - **2026-09-19T17:23:05Z** · RELEASE Spur A @local-model/engine-L2-grok-4.5 · **DONE** — denser BT_POWER cooling/reactor/switchyard/steam silhouettes sprites↔snapshot; smoke PASS; 7333e95
diff --git a/kitchen/COLLAB-SIGNUP.md b/kitchen/COLLAB-SIGNUP.md
index 9fee94d..e7b63f8 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 |
 |------------|---------------------|------|---------------|--------|------|
+| 2026-09-19T17:27:28Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/sprites.c,snapshot.c | ACTIVE | denser BT_BASE HQ/hive/tower/courtyard/entry silhouettes sprites↔snapshot |
 | 2026-09-19T17:23:20Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/sprites.c,snapshot.c | DONE | smoke PASS; denser BT_WALL fort/battlement/gate/scar silhouettes sprites↔snapshot; 3cf39ff |
 | 2026-09-19T17:18:54Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/sprites.c,snapshot.c | DONE | smoke PASS; denser BT_POWER cooling/reactor/switchyard/steam silhouettes sprites↔snapshot; 7333e95 |
 | 2026-09-19T17:15:15Z | 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 silhouettes sprites↔snapshot; 96d9539 |
diff --git a/shot_0001.png b/shot_0001.png
index ea3a23b..0cf65ad 100644
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