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/lib/gateway-client.ts

@@ -967,12 +967,42 @@ export class GatewayClient {
   // === OpenFang Hands API ===
 
   /** List available Hands */
-  async listHands(): Promise<{ hands: { id: string; name: string; description: string; status: string; requirements_met?: boolean; category?: string }[] }> {
+  async listHands(): Promise<{
+    hands: {
+      id?: string;
+      name: string;
+      description?: string;
+      status?: string;
+      requirements_met?: boolean;
+      category?: string;
+      icon?: string;
+      tool_count?: number;
+      tools?: string[];
+      metric_count?: number;
+      metrics?: string[];
+    }[]
+  }> {
     return this.restGet('/api/hands');
   }
 
   /** Get Hand details */
-  async getHand(name: string): Promise<{ name: string; description: string; config: Record<string, unknown> }> {
+  async getHand(name: string): Promise<{
+    id?: string;
+    name?: string;
+    description?: string;
+    status?: string;
+    requirements_met?: boolean;
+    category?: string;
+    icon?: string;
+    provider?: string;
+    model?: string;
+    requirements?: { description?: string; name?: string; met?: boolean; satisfied?: boolean; details?: string; hint?: string }[];
+    tools?: string[];
+    metrics?: string[];
+    config?: Record<string, unknown>;
+    tool_count?: number;
+    metric_count?: number;
+  }> {
     return this.restGet(`/api/hands/${name}`);
   }
 
@@ -1097,7 +1127,7 @@ export class GatewayClient {
       created_at: string;
       updated_at?: string;
       message_count?: number;
-      status?: string;
+      status?: 'active' | 'archived' | 'expired';
     }>;
   }> {
     const params = new URLSearchParams();
@@ -1113,7 +1143,7 @@ export class GatewayClient {
     created_at: string;
     updated_at?: string;
     message_count?: number;
-    status?: string;
+    status?: 'active' | 'archived' | 'expired';
     metadata?: Record<string, unknown>;
   }> {
     return this.restGet(`/api/sessions/${sessionId}`);