fix(team): resolve TypeScript errors in team collaboration module

- Remove unused imports and variables in Team components
- Fix CollaborationEvent type import in useTeamEvents
- Add proper type guards for Hand status in gatewayStore
- Fix Session status type compatibility in gateway-client
- Remove unused getGatewayClient import from teamStore
- Handle unknown payload types in TeamCollaborationView

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

desktop/src/store/teamStore.ts

@@ -16,7 +16,6 @@ import type {
   TeamMemberRole,
   DevQALoop,
   DevQALoopState,
-  CollaborationPattern,
   CreateTeamRequest,
   AddTeamTaskRequest,
   TeamMetrics,
@@ -24,7 +23,6 @@ import type {
   ReviewFeedback,
   TaskDeliverable,
 } from '../types/team';
-import { getGatewayClient } from '../lib/gateway-client';
 
 // === Store State ===
 
@@ -136,7 +134,6 @@ export const useTeamStore = create<TeamStoreState>((set, get) => ({
   loadTeams: async () => {
     set({ isLoading: true, error: null });
     try {
-      const client = getGatewayClient();
       // For now, load from localStorage until API is available
       const stored = localStorage.getItem('zclaw-teams');
       const teams: Team[] = stored ? JSON.parse(stored) : [];
@@ -150,7 +147,7 @@ export const useTeamStore = create<TeamStoreState>((set, get) => ({
     set({ isLoading: true, error: null });
     try {
       const now = new Date().toISOString();
-      const members: TeamMember[] = request.memberAgents.map((m, index) => ({
+      const members: TeamMember[] = request.memberAgents.map((m) => ({
         id: generateId(),
         agentId: m.agentId,
         name: `Agent-${m.agentId.slice(0, 4)}`,
@@ -208,7 +205,7 @@ export const useTeamStore = create<TeamStoreState>((set, get) => ({
   },
 
   setActiveTeam: (team: Team | null) => {
-    set(state => ({
+    set(() => ({
       activeTeam: team,
       metrics: team ? calculateMetrics(team) : null,
     }));