diff --git a/agents b/agents
index 5c669c2..aacfb86 160000
--- a/agents
+++ b/agents
@@ -1 +1 @@
-Subproject commit 5c669c28e6162a5bfbda8d0837eae163362f52a8
+Subproject commit aacfb86196d2b7c6ecb58df835834ffef80198eb
diff --git a/config/role_registry.yaml b/config/role_registry.yaml
index a8c6eaa..ea68a23 100644
--- a/config/role_registry.yaml
+++ b/config/role_registry.yaml
@@ -2,33 +2,49 @@ t1:
   default: agents/strategy/nexus-strategy.md
 
 t2:
-  backend:  agents/engineering/engineering-software-architect.md
-  frontend: agents/engineering/engineering-software-architect.md
+  backend:  agents/engineering/engineering-backend-architect.md
+  frontend: agents/engineering/engineering-frontend-architect.md
   infra:    agents/engineering/engineering-devops-automator.md
   data:     agents/engineering/engineering-data-engineer.md
+  ai:       agents/engineering/engineering-software-architect.md
+  security: agents/engineering/engineering-security-engineer.md
+  mobile:   agents/engineering/engineering-software-architect.md
   default:  agents/engineering/engineering-software-architect.md
 
 t3:
-  backend:  agents/engineering/engineering-senior-developer.md
-  frontend: agents/engineering/engineering-senior-developer.md
+  backend:  agents/engineering/engineering-senior-backend-developer.md
+  frontend: agents/engineering/engineering-senior-frontend-developer.md
   infra:    agents/engineering/engineering-sre.md
-  default:  agents/engineering/engineering-senior-developer.md
+  data:     agents/engineering/engineering-data-engineer.md
+  ai:       agents/engineering/engineering-ai-engineer.md
+  security: agents/engineering/engineering-security-engineer.md
+  mobile:   agents/engineering/engineering-mobile-app-builder.md
+  database: agents/engineering/engineering-database-optimizer.md
+  devops:   agents/engineering/engineering-sre.md
+  docs:     agents/engineering/engineering-technical-writer.md
+  default:  agents/engineering/engineering-backend-developer.md
 
 t4:
   frontend:  agents/engineering/engineering-frontend-developer.md
-  backend:   agents/engineering/engineering-backend-architect.md
+  backend:   agents/engineering/engineering-backend-developer.md
   database:  agents/engineering/engineering-database-optimizer.md
   devops:    agents/engineering/engineering-devops-automator.md
   mobile:    agents/engineering/engineering-mobile-app-builder.md
   ai:        agents/engineering/engineering-ai-engineer.md
   security:  agents/engineering/engineering-security-engineer.md
   docs:      agents/engineering/engineering-technical-writer.md
-  default:   agents/engineering/engineering-senior-developer.md
+  data:      agents/engineering/engineering-data-engineer.md
+  embedded:  agents/engineering/engineering-embedded-firmware-engineer.md
+  default:   agents/engineering/engineering-backend-developer.md
 
 t5:
-  code:        agents/engineering/engineering-code-reviewer.md
-  integration: agents/testing/testing-reality-checker.md
-  api:         agents/testing/testing-api-tester.md
-  performance: agents/testing/testing-performance-benchmarker.md
-  security:    agents/engineering/engineering-security-engineer.md
-  default:     agents/engineering/engineering-code-reviewer.md
+  code:          agents/engineering/engineering-code-reviewer.md
+  integration:   agents/testing/testing-reality-checker.md
+  api:           agents/testing/testing-api-tester.md
+  performance:   agents/testing/testing-performance-benchmarker.md
+  security:      agents/engineering/engineering-security-engineer.md
+  accessibility: agents/testing/testing-accessibility-auditor.md
+  e2e:           agents/testing/testing-evidence-collector.md
+  frontend:      agents/testing/testing-accessibility-auditor.md
+  data:          agents/testing/testing-reality-checker.md
+  default:       agents/engineering/engineering-code-reviewer.md