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/context/AuthContext.tsx

@@ -1,71 +0,0 @@
-import React, { createContext, useContext, useState, useEffect } from 'react';
-import client from '../api/client';
-import { AxiosResponse } from 'axios';
-
-interface User {
-  user_id: number;
-  role: string;
-}
-
-interface AuthContextType {
-  user: User | null;
-  login: () => void;
-  logout: () => void;
-  isAuthenticated: boolean;
-  isLoading: boolean;
-}
-
-const AuthContext = createContext<AuthContextType | undefined>(undefined);
-
-export const AuthProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
-  const [user, setUser] = useState<User | null>(null);
-  const [isLoading, setIsLoading] = useState(true);
-
-  useEffect(() => {
-    const checkAuth = async () => {
-      try {
-        const response = await client.get('/auth/me');
-        setUser(response.data);
-      } catch (error) {
-        setUser(null);
-      } finally {
-        setIsLoading(false);
-      }
-    };
-
-    checkAuth();
-  }, []);
-
-  const login = () => {
-    // Token is stored in cookie by backend, but we might want to store it in memory or trigger a re-fetch
-    // Actually, if backend sets cookie, we just need to fetch /auth/me
-    client.get('/auth/me').then((response: AxiosResponse<User>) => {
-        setUser(response.data);
-    }).catch(() => {
-        setUser(null);
-    });
-  };
-
-  const logout = async () => {
-    try {
-      await client.post('/auth/logout');
-    } catch (error) {
-      console.error("Logout failed", error);
-    }
-    setUser(null);
-  };
-
-  return (
-    <AuthContext.Provider value={{ user, login, logout, isAuthenticated: !!user, isLoading }}>
-      {children}
-    </AuthContext.Provider>
-  );
-};
-
-export const useAuth = () => {
-  const context = useContext(AuthContext);
-  if (context === undefined) {
-    throw new Error('useAuth must be used within an AuthProvider');
-  }
-  return context;
-};