merge: resolve conflict in issue-detail breadcrumb

Keep identifier removed from breadcrumbs per design decision.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/web/shared/types/issue.ts

@@ -14,6 +14,8 @@ export type IssueAssigneeType = "member" | "agent";
 export interface Issue {
   id: string;
   workspace_id: string;
+  number: number;
+  identifier: string;
   title: string;
   description: string | null;
   status: IssueStatus;

apps/web/shared/types/workspace.ts

@@ -13,6 +13,7 @@ export interface Workspace {
   context: string | null;
   settings: Record<string, unknown>;
   repos: WorkspaceRepo[];
+  issue_prefix: string;
   created_at: string;
   updated_at: string;
 }