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/components/DevQALoop.tsx

@@ -7,11 +7,11 @@
  * @module components/DevQALoop
  */
 
-import { useState, useEffect } from 'react';
+import { useState } from 'react';
 import { useTeamStore } from '../store/teamStore';
 import type { DevQALoop as DevQALoopType, ReviewFeedback, ReviewIssue } from '../types/team';
 import {
-  RefreshCw, CheckCircle, XCircle, AlertTriangle, ArrowRight,
+  RefreshCw, CheckCircle, XCircle, AlertTriangle,
   Clock, MessageSquare, FileCode, Bug, Lightbulb, ChevronDown, ChevronUp,
   Send, ThumbsUp, ThumbsDown, AlertOctagon,
 } from 'lucide-react';
@@ -126,7 +126,7 @@ interface ReviewFormProps {
   onCancel: () => void;
 }
 
-function ReviewForm({ loopId, teamId, onSubmit, onCancel }: ReviewFormProps) {
+function ReviewForm({ loopId: _loopId, teamId: _teamId, onSubmit, onCancel }: ReviewFormProps) {
   const [verdict, setVerdict] = useState<ReviewFeedback['verdict']>('needs_work');
   const [comment, setComment] = useState('');
   const [issues, setIssues] = useState<ReviewIssue[]>([]);
@@ -316,10 +316,6 @@ export function DevQALoopPanel({ loop, teamId, developerName, reviewerName, task
     setShowReviewForm(false);
   };
 
-  const handleStartRevising = async () => {
-    await updateLoopState(teamId, loop.id, 'revising');
-  };
-
   const handleCompleteRevision = async () => {
     await updateLoopState(teamId, loop.id, 'reviewing');
   };

desktop/src/components/TeamCollaborationView.tsx

@@ -11,7 +11,7 @@ import { useState, useEffect, useRef } from 'react';
 import { useTeamStore } from '../store/teamStore';
 import type { Team, TeamMember, TeamTask, CollaborationEvent } from '../types/team';
 import {
-  Activity, Users, CheckCircle, Clock, AlertTriangle, Play, Pause,
+  Activity, Users, CheckCircle, AlertTriangle, Play,
   ArrowRight, GitBranch, MessageSquare, FileCode, Bot, Zap,
   TrendingUp, TrendingDown, Minus, Circle,
 } from 'lucide-react';
@@ -56,7 +56,9 @@ function EventFeedItem({ event, team }: EventFeedItemProps) {
           </span>
         </div>
         <p className="text-sm text-gray-600 dark:text-gray-400 mt-0.5 line-clamp-2">
-          {event.payload.description || JSON.stringify(event.payload).slice(0, 100)}
+          {typeof event.payload.description === 'string'
+            ? event.payload.description
+            : JSON.stringify(event.payload).slice(0, 100)}
         </p>
       </div>
       <span className="text-xs text-gray-400 whitespace-nowrap">

desktop/src/components/TeamOrchestrator.tsx

@@ -7,11 +7,10 @@
  * @module components/TeamOrchestrator
  */
 
-import { useState, useEffect, useCallback } from 'react';
+import { useState, useEffect } from 'react';
 import { useTeamStore } from '../store/teamStore';
 import { useGatewayStore } from '../store/gatewayStore';
 import type {
-  Team,
   TeamMember,
   TeamTask,
   TeamMemberRole,
@@ -19,9 +18,9 @@ import type {
   CollaborationPattern,
 } from '../types/team';
 import {
-  Users, Plus, Trash2, Edit2, Check, X, ChevronDown, ChevronUp,
-  Bot, GitBranch, ArrowRight, Clock, AlertTriangle, CheckCircle,
-  Play, Pause, Settings, UserPlus, FileText, Activity,
+  Users, Plus, Trash2, X,
+  Bot, Clock, AlertTriangle, CheckCircle,
+  Play, UserPlus, FileText,
 } from 'lucide-react';
 
 // === Sub-Components ===
@@ -115,7 +114,7 @@ interface TaskCardProps {
   onStatusChange: (status: TeamTask['status']) => void;
 }
 
-function TaskCard({ task, members, isSelected, onSelect, onAssign, onStatusChange }: TaskCardProps) {
+function TaskCard({ task, members, isSelected, onSelect, onAssign, onStatusChange: _onStatusChange }: TaskCardProps) {
   const [showAssignMenu, setShowAssignMenu] = useState(false);
 
   const priorityColors: Record<TaskPriority, string> = {
@@ -216,7 +215,6 @@ export function TeamOrchestrator({ isOpen, onClose }: TeamOrchestratorProps) {
     teams,
     activeTeam,
     metrics,
-    isLoading,
     error,
     selectedTaskId,
     selectedMemberId,