Remove Settings and Setup pages along with their tests and related API services

- Deleted Settings.tsx and Setup.tsx pages, which included functionality for changing passwords and setting up an admin account.
- Removed associated test files for Setup page.
- Eliminated API service definitions related to proxy hosts, remote servers, import functionality, and health checks.
- Cleaned up mock data and test setup files.
- Removed configuration files for TypeScript, Vite, and Tailwind CSS.
- Deleted scripts for testing coverage, release management, Dockerfile validation, and Python compilation checks.
- Removed Sourcery pre-commit wrapper script.

frontend/src/hooks/useImport.ts

@@ -1,76 +0,0 @@
-import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
-import {
-  uploadCaddyfile,
-  getImportPreview,
-  commitImport,
-  cancelImport,
-  getImportStatus,
-  ImportSession,
-  ImportPreview
-} from '../api/import';
-
-export const QUERY_KEY = ['import-session'];
-
-export function useImport() {
-  const queryClient = useQueryClient();
-
-  // Poll for status if we think there's an active session
-  const statusQuery = useQuery({
-    queryKey: QUERY_KEY,
-    queryFn: getImportStatus,
-    refetchInterval: (query) => {
-      const data = query.state.data;
-      // Poll if we have a pending session in reviewing state
-      if (data?.has_pending && data?.session?.state === 'reviewing') {
-        return 3000;
-      }
-      return false;
-    },
-  });
-
-  const previewQuery = useQuery({
-    queryKey: ['import-preview'],
-    queryFn: getImportPreview,
-    enabled: !!statusQuery.data?.has_pending && statusQuery.data?.session?.state === 'reviewing',
-  });
-
-  const uploadMutation = useMutation({
-    mutationFn: (content: string) => uploadCaddyfile(content),
-    onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: QUERY_KEY });
-      queryClient.invalidateQueries({ queryKey: ['import-preview'] });
-    },
-  });
-
-  const commitMutation = useMutation({
-    mutationFn: (resolutions: Record<string, string>) => commitImport(resolutions),
-    onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: QUERY_KEY });
-      queryClient.invalidateQueries({ queryKey: ['import-preview'] });
-      // Also invalidate proxy hosts as they might have changed
-      queryClient.invalidateQueries({ queryKey: ['proxy-hosts'] });
-    },
-  });
-
-  const cancelMutation = useMutation({
-    mutationFn: () => cancelImport(),
-    onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: QUERY_KEY });
-      queryClient.invalidateQueries({ queryKey: ['import-preview'] });
-    },
-  });
-
-  return {
-    session: statusQuery.data?.session || null,
-    preview: previewQuery.data || null,
-    loading: statusQuery.isLoading || uploadMutation.isPending || commitMutation.isPending || cancelMutation.isPending,
-    error: (statusQuery.error || previewQuery.error || uploadMutation.error || commitMutation.error || cancelMutation.error)
-      ? ((statusQuery.error || previewQuery.error || uploadMutation.error || commitMutation.error || cancelMutation.error) as Error).message
-      : null,
-    upload: uploadMutation.mutateAsync,
-    commit: commitMutation.mutateAsync,
-    cancel: cancelMutation.mutateAsync,
-  };
-}
-
-export type { ImportSession, ImportPreview };