diff --git a/kitchen/AGENT_LOG.md b/kitchen/AGENT_LOG.md
index fd5d4b8..be936c8 100644
--- a/kitchen/AGENT_LOG.md
+++ b/kitchen/AGENT_LOG.md
@@ -48,3 +48,6 @@
 - **2026-09-19T08:40:30Z** · RELEASE Spur A @local-model/engine-L2-grok-4.5 · **DONE** — mid-flight bullets + tracer streaks in KKND_SHOT; smoke PASS; 97662d4
 - **2026-09-19T08:44:00Z** · CLAIM Spur A @local-model/engine-L2-grok-4.5 · **ACTIVE** — engine-c/src/render.c + sprites.c; SDL live ≈ snapshot KKND2 look
 - **2026-09-19T09:23:30Z** · RELEASE Spur A @local-model/engine-L2-grok-4.5 · **DONE** — SDL live arid+scale+kind tracers ≈ KKND_SHOT; smoke PASS; b03cd2a
+
+- **2026-09-19T09:26:30Z** · CLAIM Spur A @local-model/engine-L2-grok-4.5 · **ACTIVE** — engine-c/src/render.c + sprites.c; ground shadows + per-type scale + richer bld silhouettes
+- **2026-09-19T09:31:00Z** · RELEASE Spur A @local-model/engine-L2-grok-4.5 · **DONE** — SDL ground shadows + type-scale + richer bld silhouettes; smoke PASS; 7d880ed
diff --git a/kitchen/COLLAB-SIGNUP.md b/kitchen/COLLAB-SIGNUP.md
index db0c543..d649562 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 |
 |------------|---------------------|------|---------------|--------|------|
+| 2026-09-19T09:31:00Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/render.c,sprites.c | DONE | smoke PASS; shadows+type-scale+bld; 7d880ed |
 | 2026-09-19T08:44Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/render.c,sprites.c | DONE | smoke PASS; SDL arid/scale/tracers; b03cd2a |
 | 2026-09-19T08:38Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/main.c,snapshot.c | DONE | smoke PASS; mid-flight tracers; 97662d4 |
 | 2026-09-19T05:28Z | local-model/engine-L2-grok-4.5 | A | engine-c/src/engine.c,snapshot.c | DONE | pushed b5a89c9; smoke PASS; arid clash showcase |