fix(workstate): normalisation du work-state pour éviter l'onglet Work vide

Normalise l'état Work pour empêcher l'affichage d'un onglet Work vide.

QA VERT : tsc --noEmit exit 0 ; vitest run 42 fichiers / 407 tests passed.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

frontend/src/adapters/mock/index.ts

@@ -68,6 +68,7 @@ import type {
   TerminalHandle,
   WorkStateGateway,
 } from "@/ports";
+import { normalizeProjectWorkState } from "../workStateNormalization";
 import { applyOperation, singleLeafTree } from "@/features/layout/layout";
 
 export class MockSystemGateway implements SystemGateway {
@@ -1681,10 +1682,7 @@ export class MockWorkStateGateway implements WorkStateGateway {
   private states = new Map<string, ProjectWorkState>();
 
   /** Seeds the read-model returned for a project (deterministic tests/dev). */
-  _setProjectWorkState(
-    projectId: string,
-    state: ProjectWorkState | LegacyProjectWorkState,
-  ): void {
+  _setProjectWorkState(projectId: string, state: unknown): void {
     this.states.set(projectId, normalizeProjectWorkState(state));
   }
 
@@ -1695,25 +1693,6 @@ export class MockWorkStateGateway implements WorkStateGateway {
   }
 }
 
-type LegacyProjectWorkState = {
-  agents: Array<Omit<ProjectWorkState["agents"][number], "tickets"> & {
-    tickets?: ProjectWorkState["agents"][number]["tickets"];
-  }>;
-  conversations?: ProjectWorkState["conversations"];
-};
-
-function normalizeProjectWorkState(
-  state: ProjectWorkState | LegacyProjectWorkState,
-): ProjectWorkState {
-  return {
-    agents: state.agents.map((agent) => ({
-      ...structuredClone(agent),
-      tickets: structuredClone(agent.tickets ?? []),
-    })),
-    conversations: structuredClone(state.conversations ?? []),
-  };
-}
-
 function mostRestrictive(
   project?: PermissionSet["fallback"],
   agent?: PermissionSet["fallback"],