feat: initial mIRCcloud.com scaffold

- Express + TypeScript backend with IRC connection manager
- React + Vite frontend with mIRC-inspired theme
- Drizzle ORM + PostgreSQL schema (users, connections, channels, messages)
- Redis pub/sub for real-time WebSocket delivery across replicas
- IRC color code parser (16 + 99 extended palette)
- Kubernetes manifests for homecloud deployment
- Multi-stage Dockerfile with non-root user
- docker-compose for local development

client/src/stores/auth.ts

@@ -0,0 +1,94 @@
+import { create } from 'zustand';
+
+interface User {
+  id: string;
+  username: string;
+  email: string;
+}
+
+interface AuthState {
+  token: string | null;
+  user: User | null;
+  isLoading: boolean;
+  error: string | null;
+  login: (email: string, password: string) => Promise<void>;
+  register: (username: string, email: string, password: string) => Promise<void>;
+  logout: () => void;
+  loadFromStorage: () => void;
+  clearError: () => void;
+}
+
+export const useAuthStore = create<AuthState>((set, get) => ({
+  token: null,
+  user: null,
+  isLoading: false,
+  error: null,
+
+  login: async (email: string, password: string) => {
+    set({ isLoading: true, error: null });
+    try {
+      const res = await fetch('/api/auth/login', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ email, password }),
+      });
+
+      if (!res.ok) {
+        const data = await res.json().catch(() => ({ message: 'Login failed' }));
+        throw new Error(data.message || `Login failed (${res.status})`);
+      }
+
+      const data = await res.json();
+      localStorage.setItem('token', data.token);
+      localStorage.setItem('user', JSON.stringify(data.user));
+      set({ token: data.token, user: data.user, isLoading: false });
+    } catch (err: any) {
+      set({ error: err.message, isLoading: false });
+    }
+  },
+
+  register: async (username: string, email: string, password: string) => {
+    set({ isLoading: true, error: null });
+    try {
+      const res = await fetch('/api/auth/register', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ username, email, password }),
+      });
+
+      if (!res.ok) {
+        const data = await res.json().catch(() => ({ message: 'Registration failed' }));
+        throw new Error(data.message || `Registration failed (${res.status})`);
+      }
+
+      const data = await res.json();
+      localStorage.setItem('token', data.token);
+      localStorage.setItem('user', JSON.stringify(data.user));
+      set({ token: data.token, user: data.user, isLoading: false });
+    } catch (err: any) {
+      set({ error: err.message, isLoading: false });
+    }
+  },
+
+  logout: () => {
+    localStorage.removeItem('token');
+    localStorage.removeItem('user');
+    set({ token: null, user: null });
+  },
+
+  loadFromStorage: () => {
+    const token = localStorage.getItem('token');
+    const userStr = localStorage.getItem('user');
+    if (token && userStr) {
+      try {
+        const user = JSON.parse(userStr);
+        set({ token, user });
+      } catch {
+        localStorage.removeItem('token');
+        localStorage.removeItem('user');
+      }
+    }
+  },
+
+  clearError: () => set({ error: null }),
+}));