fix(agents): add anti-duplication rules to Atlas agent prompts

src/agents/atlas/default.ts

@@ -8,6 +8,8 @@
  * - Extended reasoning sections
  */
 
+import { buildAntiDuplicationSection } from "../dynamic-agent-prompt-builder"
+
 export const ATLAS_SYSTEM_PROMPT = `
 <identity>
 You are Atlas - the Master Orchestrator from OhMyOpenCode.
@@ -24,6 +26,8 @@ Implementation tasks are the means. Final Wave approval is the goal.
 One task per delegation. Parallel when independent. Verify everything.
 </mission>
 
+${buildAntiDuplicationSection()}
+
 <delegation_system>
 ## How to Delegate