diff --git a/.ciagent/CHECKPOINT.json b/.ciagent/CHECKPOINT.json
index db4aa13..305a3f4 100644
--- a/.ciagent/CHECKPOINT.json
+++ b/.ciagent/CHECKPOINT.json
@@ -1,12 +1,12 @@
{
- "phase": 3,
+ "phase": 4,
"stage": "complete",
"milestone": "v1.22",
"phase_role": "execution",
"attempts": 0,
- "updated_at": "2026-08-11T14:55:00Z",
+ "updated_at": "2026-08-11T15:00:00Z",
"milestone_complete": false,
- "tag": "v1.21.3",
- "requirements": ["REQ-259","REQ-260"],
- "notes": "v1.22 P3 complete. Tag v1.21.3. Both mermaid diagrams re-rendered at 2x transparent. telemetry-live-ops: TB, 0.63 aspect. platform-pipeline: TB 4-node, 0.49 aspect. Marp deck directives updated to h:480. Proceeding to P4 (deck content)."
+ "tag": "v1.21.4",
+ "requirements": ["REQ-261"],
+ "notes": "v1.22 P4 complete. Tag v1.21.4. 8 overflowing slides trimmed/split. Header removed from frontmatter. Slide count 18->20 main + 1 appendix. 23 slide tests pass. Proceeding to P5 (re-render + tests)."
}
\ No newline at end of file
diff --git a/docs/presentations/nova-autonomous-cloud-delivery.html b/docs/presentations/nova-autonomous-cloud-delivery.html
index 46365e3..3701597 100644
--- a/docs/presentations/nova-autonomous-cloud-delivery.html
+++ b/docs/presentations/nova-autonomous-cloud-delivery.html
@@ -1,14 +1,11 @@
-
Nova — The Autonomous Cloud Delivery Platform