fix(domains): resolve TypeScript type errors in domain hooks

- Add type assertions for Valtio snapshot readonly arrays
- Remove unused fromPromise import from hands machine
- Ensures type compatibility with Valtio's useSnapshot

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

desktop/src/domains/chat/hooks.ts

@@ -20,9 +20,9 @@ export function useChatState() {
  * Hook to access messages only.
  * Only re-renders when messages change.
  */
-export function useMessages(): readonly Message[] {
+export function useMessages() {
   const { messages } = useSnapshot(chatStore);
-  return messages;
+  return messages as readonly Message[];
 }
 
 /**
@@ -45,17 +45,17 @@ export function useCurrentAgent(): Agent | null {
 /**
  * Hook to access all agents.
  */
-export function useAgents(): readonly Agent[] {
+export function useAgents() {
   const { agents } = useSnapshot(chatStore);
-  return agents;
+  return agents as readonly Agent[];
 }
 
 /**
  * Hook to access conversations.
  */
-export function useConversations(): readonly Conversation[] {
+export function useConversations() {
   const { conversations } = useSnapshot(chatStore);
-  return conversations;
+  return conversations as readonly Conversation[];
 }
 
 /**

desktop/src/domains/hands/hooks.ts

@@ -17,41 +17,41 @@ export function useHandsState() {
 /**
  * Hook to access hands list.
  */
-export function useHands(): readonly Hand[] {
+export function useHands() {
   const { hands } = useSnapshot(handsStore);
-  return hands;
+  return hands as readonly Hand[];
 }
 
 /**
  * Hook to access a specific hand by ID.
  */
-export function useHand(id: string): Hand | undefined {
+export function useHand(id: string) {
   const { hands } = useSnapshot(handsStore);
-  return hands.find(h => h.id === id);
+  return hands.find(h => h.id === id) as Hand | undefined;
 }
 
 /**
  * Hook to access approval queue.
  */
-export function useApprovalQueue(): readonly ApprovalRequest[] {
+export function useApprovalQueue() {
   const { approvalQueue } = useSnapshot(handsStore);
-  return approvalQueue;
+  return approvalQueue as readonly ApprovalRequest[];
 }
 
 /**
  * Hook to access triggers.
  */
-export function useTriggers(): readonly Trigger[] {
+export function useTriggers() {
   const { triggers } = useSnapshot(handsStore);
-  return triggers;
+  return triggers as readonly Trigger[];
 }
 
 /**
  * Hook to access a specific run.
  */
-export function useRun(runId: string): HandRun | undefined {
+export function useRun(runId: string) {
   const { runs } = useSnapshot(handsStore);
-  return runs[runId];
+  return runs[runId] as HandRun | undefined;
 }
 
 /**

desktop/src/domains/hands/machine.ts

@@ -4,7 +4,7 @@
  * XState machine for managing hand execution lifecycle.
  * Provides predictable state transitions for automation tasks.
  */
-import { setup, assign, fromPromise } from 'xstate';
+import { setup, assign } from 'xstate';
 import type { HandContext, HandsEvent } from './types';
 
 // === Machine Setup ===