fix: handle multi-file tool diffs safely

Split multi-file patches before diff rendering
Fixed hook dependency lint warnings

packages/ui/src/components/session/GitHubIssuePickerDialog.tsx

@@ -136,7 +136,7 @@ export function GitHubIssuePickerDialog({
     } finally {
       setIsLoading(false);
     }
-  }, [github, githubAuthChecked, githubAuthStatus, projectDirectory]);
+  }, [github, githubAuthChecked, githubAuthStatus, projectDirectory, t]);
 
   const loadMore = React.useCallback(async () => {
     if (!projectDirectory) return;

packages/ui/src/components/session/GitHubPrPickerDialog.tsx

@@ -126,7 +126,7 @@ export function GitHubPrPickerDialog({
     } finally {
       setIsLoading(false);
     }
-  }, [github, githubAuthChecked, githubAuthStatus, projectDirectory]);
+  }, [github, githubAuthChecked, githubAuthStatus, projectDirectory, t]);
 
   const loadMore = React.useCallback(async () => {
     if (!projectDirectory) return;

packages/ui/src/components/session/NewWorktreeDialog.tsx

@@ -618,6 +618,7 @@ export function NewWorktreeDialog({
     resolveDefaultAgentName,
     resolveDefaultModelSelection,
     resolveDefaultVariant,
+    t,
   ]);
 
   // Get current state based on mode
@@ -788,6 +789,7 @@ export function NewWorktreeDialog({
     validation.touched,
     validationAbortController,
     isCreating,
+    t,
   ]);
 
   // Extract branch name for dependency array