feat: Release CRM V2 (Clean History)

Squashed commits for V2 release including Dark Mode, Chatbot, and Landing Page enhancements.

src/context/AuthContext.jsx

@@ -0,0 +1,59 @@
+import React, { createContext, useContext, useState } from 'react';
+import { useMockStore } from '../data/mockStore';
+import { logger } from '../utils/logger';
+import { toast } from 'sonner';
+
+const AuthContext = createContext();
+
+export const AuthProvider = ({ children }) => {
+    const [user, setUser] = useState(null);
+    const [isAuthenticated, setIsAuthenticated] = useState(false);
+    const { users } = useMockStore();
+
+    const login = (identifier, password, type) => {
+        try {
+            const foundUser = users.find(u => {
+                if (u.type !== type) return false;
+                if (type === 'customer') return u.username === identifier && u.password === password;
+                if (type === 'employee') return u.empId === identifier && u.password === password;
+                return false;
+            });
+
+            if (foundUser) {
+                setUser(foundUser);
+                setIsAuthenticated(true);
+                logger.info("User logged in successfully", { userId: foundUser.id, role: foundUser.role });
+                toast.success(`Welcome back, ${foundUser.name}!`);
+                return { success: true, role: foundUser.role || 'CUSTOMER' };
+            }
+
+            logger.warn("Failed login attempt", { identifier, type });
+            toast.error("Invalid credentials", { description: "Please check your username/ID and password." });
+            return { success: false, message: "Invalid credentials" };
+        } catch (error) {
+            logger.error("Login process error", error);
+            toast.error("An unexpected error occurred during login.");
+            return { success: false, message: "System error" };
+        }
+    };
+
+    const logout = () => {
+        try {
+            const userName = user?.name;
+            setUser(null);
+            setIsAuthenticated(false);
+            logger.info("User logged out", { userId: user?.id });
+            toast.info("Logged out successfully");
+        } catch (error) {
+            logger.error("Logout error", error);
+        }
+    };
+
+    return (
+        <AuthContext.Provider value={{ user, isAuthenticated, login, logout }}>
+            {children}
+        </AuthContext.Provider>
+    );
+};
+
+export const useAuth = () => useContext(AuthContext);

src/context/ThemeContext.jsx

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+import React, { createContext, useContext, useEffect, useState } from 'react';
+
+const ThemeContext = createContext();
+
+export const ThemeProvider = ({ children }) => {
+    // Force Dark Mode always
+    const theme = 'dark';
+
+    useEffect(() => {
+        const root = window.document.documentElement;
+        root.classList.remove('light');
+        root.classList.add('dark');
+    }, []);
+
+    const toggleTheme = () => { }; // No-op
+
+    return (
+        <ThemeContext.Provider value={{ theme, toggleTheme }}>
+            {children}
+        </ThemeContext.Provider>
+    );
+};
+
+export const useTheme = () => useContext(ThemeContext);