fix: remove redundant code in processing logic

ui/src/types.ts

@@ -56,7 +56,7 @@ export type NavItem = {
   disabled?: boolean;
 };
 
-export type ShellPage = 'dashboard' | 'projects' | 'thoughts' | 'learnings' | 'skills' | 'guardrails' | 'files' | 'maintenance';
+export type ShellPage = 'dashboard' | 'projects' | 'thoughts' | 'learnings' | 'plans' | 'skills' | 'guardrails' | 'files' | 'maintenance';
 
 export type Project = {
   id: string;
@@ -181,6 +181,24 @@ export type Learning = {
   updated_at: string;
 };
 
+export type Plan = {
+  id: string;
+  title: string;
+  description: string;
+  status: 'draft' | 'active' | 'blocked' | 'completed' | 'cancelled' | 'superseded';
+  priority: 'low' | 'medium' | 'high' | 'critical';
+  project_id?: string;
+  owner?: string;
+  due_date?: string;
+  completed_at?: string;
+  reviewed_by?: string;
+  last_reviewed_at?: string;
+  supersedes_plan_id?: string;
+  tags: string[];
+  created_at: string;
+  updated_at: string;
+};
+
 export type MaintenanceTask = {
   id: string;
   name: string;