diff --git a/graph/configurations/issue-worker-agent-definition-autonomous-gitea-pr-creator-4321be.md b/graph/configurations/issue-worker-agent-definition-autonomous-gitea-pr-creator-4321be.md
index da1cc9e41b9..d6e5f17b3b1 100644
--- a/graph/configurations/issue-worker-agent-definition-autonomous-gitea-pr-creator-4321be.md
+++ b/graph/configurations/issue-worker-agent-definition-autonomous-gitea-pr-creator-4321be.md
@@ -6,7 +6,7 @@ tags: [claude-agents, issue-worker, autonomous, gitea, configuration]
 importance: 0.7
 confidence: 0.8
 created: "2026-03-02T20:04:56.266618+00:00"
-updated: "2026-03-02T20:08:10.205082+00:00"
+updated: "2026-03-02T20:19:46.509882+00:00"
 relations:
   - target: b27fb831-811e-4103-b5f1-3c36d5b1ad20
     type: RELATED_TO
@@ -43,6 +43,11 @@ relations:
     direction: outgoing
     strength: 0.75
     edge_id: a6ef5609-1cd3-42c6-8066-cf887e1df4a5
+  - target: 45c21973-7fae-4cf7-b247-b40a757d54b0
+    type: BUILDS_ON
+    direction: incoming
+    strength: 0.95
+    edge_id: 0924ac34-ddaa-4eba-ad0f-743077be7354
 ---
 
 # issue-worker Agent Definition
diff --git a/graph/decisions/issue-worker-agent-phased-workflow-architecture-45c219.md b/graph/decisions/issue-worker-agent-phased-workflow-architecture-45c219.md
index 3a9ab6832de..3065398856a 100644
--- a/graph/decisions/issue-worker-agent-phased-workflow-architecture-45c219.md
+++ b/graph/decisions/issue-worker-agent-phased-workflow-architecture-45c219.md
@@ -6,7 +6,7 @@ tags: [claude-configs, issue-worker, agent-design, gitea, automation, workflow,
 importance: 0.7
 confidence: 0.8
 created: "2026-03-02T20:19:30.456720+00:00"
-updated: "2026-03-02T20:19:31.681317+00:00"
+updated: "2026-03-02T20:19:46.509882+00:00"
 relations:
   - target: b27fb831-811e-4103-b5f1-3c36d5b1ad20
     type: RELATED_TO
@@ -23,6 +23,11 @@ relations:
     direction: outgoing
     strength: 0.77
     edge_id: 21f44795-4134-4ebf-b242-0d233ab82a17
+  - target: 4321bee8-105e-4fc8-b645-964d1234c966
+    type: BUILDS_ON
+    direction: outgoing
+    strength: 0.95
+    edge_id: 0924ac34-ddaa-4eba-ad0f-743077be7354
 ---
 
 # Issue Worker Agent: Phased Workflow Architecture
diff --git a/graph/edges/issue-worker-agent-phased-work--BUILDS_ON--issue-worker-agent-definition-0924ac.md b/graph/edges/issue-worker-agent-phased-work--BUILDS_ON--issue-worker-agent-definition-0924ac.md
new file mode 100644
index 00000000000..3e44e89ae32
--- /dev/null
+++ b/graph/edges/issue-worker-agent-phased-work--BUILDS_ON--issue-worker-agent-definition-0924ac.md
@@ -0,0 +1,13 @@
+---
+id: 0924ac34-ddaa-4eba-ad0f-743077be7354
+type: BUILDS_ON
+from_id: 45c21973-7fae-4cf7-b247-b40a757d54b0
+from_title: "Issue Worker Agent: Phased Workflow Architecture"
+to_id: 4321bee8-105e-4fc8-b645-964d1234c966
+to_title: "issue-worker Agent Definition: Autonomous Gitea PR Creator"
+strength: 0.95
+created: "2026-03-02T20:19:46.509882+00:00"
+updated: "2026-03-02T20:19:46.509882+00:00"
+---
+
+Phased architecture refines the earlier flat 10-step issue-worker agent definition