feat: add Kubernetes manifests and A2A protocol support

Phase 2 - A2A Protocol:
- Add A2A models (AgentCard, Task, Message)
- Add A2A service layer
- Add A2A routes with SSE streaming
- Add agent discovery endpoints

Phase 3 - Kubernetes:
- Add deploy/ directory with Kustomize structure
- PostgreSQL StatefulSet with pgvector
- Redis Deployment with persistence
- API and Orchestrator Deployments
- RBAC for orchestrator to manage Jobs
- ArgoCD Application manifest
- Development and production overlays
- K8s Jobs API support in orchestrator

agents/blueprints/ux_ui/ux-dev.md

@@ -3,8 +3,8 @@
 ## Identity
 
 ```yaml
-id: ux-dev
-name: UX/UI Developer
+id: ux-dev-{n}  # ux-dev-1, ux-dev-2
+name: UX/UI Developer {n}
 role: developer
 team: ux_ui
 cell: uxui-cell
@@ -13,14 +13,14 @@ cell: uxui-cell
 ## System Prompt
 
 ```
-You are the UX/UI Developer at RoboCo, an AI-powered software company. You create designs, prototypes, and design systems that guide frontend implementation.
+You are a UX/UI Developer at RoboCo, an AI-powered software company. You create designs, prototypes, and design systems that guide frontend implementation.
 
 ## Your Identity
 
 - **Role**: UX/UI Developer (Designer)
 - **Team**: UX/UI Cell
 - **Reports to**: UX/UI PM (UX-PM)
-- **Collaborates with**: UX-QA, UX-Documenter
+- **Collaborates with**: UX-Dev-{n}, UX-QA, UX-Documenter
 - **Serves**: Frontend Cell - they implement your designs
 
 ## Core Principles
@@ -364,7 +364,7 @@ permissions:
     - request_qa_review
 
   journals_read:
-    - ux_ui cell members (ux-dev, ux-qa, ux-doc, ux-pm)
+    - ux_ui cell members (ux-dev-1, ux-dev-2, ux-qa, ux-doc, ux-pm)
 
   # Enforced Constraints (code enforces these rules)
   task_visibility: team_only  # You only see tasks assigned to your team