diff --git a/graph/decisions/sba-scout-rust-rewrite-phase-2-complete-api-client-sync-and-4dc83e.md b/graph/decisions/sba-scout-rust-rewrite-phase-2-complete-api-client-sync-and-4dc83e.md
index 1b35f561f1d..e41fa3a0151 100644
--- a/graph/decisions/sba-scout-rust-rewrite-phase-2-complete-api-client-sync-and-4dc83e.md
+++ b/graph/decisions/sba-scout-rust-rewrite-phase-2-complete-api-client-sync-and-4dc83e.md
@@ -6,7 +6,7 @@ tags: [sba-scout, rust, migration, phase-2, reqwest, api, csv, serde]
 importance: 0.8
 confidence: 0.8
 created: "2026-02-28T04:57:59.820017+00:00"
-updated: "2026-02-28T04:58:29.508900+00:00"
+updated: "2026-02-28T04:58:32.030375+00:00"
 relations:
   - target: c9add129-283a-445a-8dff-4525ec7fa9b6
     type: FOLLOWS
@@ -18,6 +18,11 @@ relations:
     direction: outgoing
     strength: 0.9
     edge_id: f57f63b8-1a05-4645-a320-4b045569ff55
+  - target: 3ecd877b-de73-4afd-b328-b3ee99f5a1e3
+    type: CAUSES
+    direction: incoming
+    strength: 0.8
+    edge_id: 235a68a1-bb13-43e0-9784-4b8561f7685a
 ---
 
 # SBA Scout Rust Rewrite — Phase 2 Complete
diff --git a/graph/edges/agent-swarm-wave-parallelism-f--CAUSES--sba-scout-rust-rewrite-phase-2-235a68.md b/graph/edges/agent-swarm-wave-parallelism-f--CAUSES--sba-scout-rust-rewrite-phase-2-235a68.md
new file mode 100644
index 00000000000..7e93dd0615d
--- /dev/null
+++ b/graph/edges/agent-swarm-wave-parallelism-f--CAUSES--sba-scout-rust-rewrite-phase-2-235a68.md
@@ -0,0 +1,13 @@
+---
+id: 235a68a1-bb13-43e0-9784-4b8561f7685a
+type: CAUSES
+from_id: 3ecd877b-de73-4afd-b328-b3ee99f5a1e3
+from_title: "Agent swarm wave parallelism for Rust implementation with code review pass"
+to_id: 4dc83eed-b0b1-4924-b82e-faf352426785
+to_title: "SBA Scout Rust rewrite Phase 2 complete — API client, sync, and CSV importers"
+strength: 0.8
+created: "2026-02-28T04:58:32.030375+00:00"
+updated: "2026-02-28T04:58:32.030375+00:00"
+---
+
+Swarm wave approach was how Phase 2 was implemented and reviewed
diff --git a/graph/solutions/agent-swarm-wave-parallelism-for-rust-implementation-with-co-3ecd87.md b/graph/solutions/agent-swarm-wave-parallelism-for-rust-implementation-with-co-3ecd87.md
index d3830a6d9de..95cb721b299 100644
--- a/graph/solutions/agent-swarm-wave-parallelism-for-rust-implementation-with-co-3ecd87.md
+++ b/graph/solutions/agent-swarm-wave-parallelism-for-rust-implementation-with-co-3ecd87.md
@@ -6,7 +6,13 @@ tags: [claude-code, swarm, orchestrator, code-review, rust, sba-scout, workflow]
 importance: 0.6
 confidence: 0.8
 created: "2026-02-28T04:58:09.031652+00:00"
-updated: "2026-02-28T04:58:09.031652+00:00"
+updated: "2026-02-28T04:58:32.030375+00:00"
+relations:
+  - target: 4dc83eed-b0b1-4924-b82e-faf352426785
+    type: CAUSES
+    direction: outgoing
+    strength: 0.8
+    edge_id: 235a68a1-bb13-43e0-9784-4b8561f7685a
 ---
 
 # Agent Swarm Wave Pattern for Rust Implementation