removed emoji

- Changed from echo -e to printf for safer special character handling
- Store emoji characters in variables using bash octal escape sequences
- Prevents 'command not found' error when bash interprets emoji as commands
- Fixes issue where line 41 error occurred during setup.sh --update

backend/src/routes/authRoutes.js

@@ -860,6 +860,9 @@ router.post(
 					last_login: user.last_login,
 					created_at: user.created_at,
 					updated_at: user.updated_at,
+					// Include user preferences so they're available immediately after login
+					theme_preference: user.theme_preference,
+					color_theme: user.color_theme,
 				},
 			});
 		} catch (error) {
@@ -952,10 +955,24 @@ router.post(
 				return res.status(401).json({ error: "Invalid verification code" });
 			}
 
-			// Update last login
+			// Update last login and fetch complete user data
-			await prisma.users.update({
+			const updatedUser = await prisma.users.update({
 				where: { id: user.id },
 				data: { last_login: new Date() },
+				select: {
+					id: true,
+					username: true,
+					email: true,
+					first_name: true,
+					last_name: true,
+					role: true,
+					is_active: true,
+					last_login: true,
+					created_at: true,
+					updated_at: true,
+					theme_preference: true,
+					color_theme: true,
+				},
 			});
 
 			// Create session with access and refresh tokens
@@ -975,14 +992,7 @@ router.post(
 				refresh_token: session.refresh_token,
 				expires_at: session.expires_at,
 				tfa_bypass_until: session.tfa_bypass_until,
-				user: {
+				user: updatedUser,
-					id: user.id,
-					username: user.username,
-					email: user.email,
-					first_name: user.first_name,
-					last_name: user.last_name,
-					role: user.role,
-				},
 			});
 		} catch (error) {
 			console.error("TFA verification error:", error);
@@ -1014,13 +1024,27 @@ router.put(
 			.withMessage("Username must be at least 3 characters"),
 		body("email").optional().isEmail().withMessage("Valid email is required"),
 		body("first_name")
-			.optional()
+			.optional({ nullable: true, checkFalsy: true })
-			.isLength({ min: 1 })
+			.custom((value) => {
-			.withMessage("First name must be at least 1 character"),
+				// Allow null, undefined, or empty string to clear the field
+				if (value === null || value === undefined || value === "") {
+					return true;
+				}
+				// If provided, must be at least 1 character after trimming
+				return typeof value === "string" && value.trim().length >= 1;
+			})
+			.withMessage("First name must be at least 1 character if provided"),
 		body("last_name")
-			.optional()
+			.optional({ nullable: true, checkFalsy: true })
-			.isLength({ min: 1 })
+			.custom((value) => {
-			.withMessage("Last name must be at least 1 character"),
+				// Allow null, undefined, or empty string to clear the field
+				if (value === null || value === undefined || value === "") {
+					return true;
+				}
+				// If provided, must be at least 1 character after trimming
+				return typeof value === "string" && value.trim().length >= 1;
+			})
+			.withMessage("Last name must be at least 1 character if provided"),
 	],
 	async (req, res) => {
 		try {
@@ -1034,16 +1058,22 @@ router.put(
 				updated_at: new Date(),
 			};
 
-			if (username) updateData.username = username;
+			// Handle all fields consistently - trim and update if provided
-			if (email) updateData.email = email;
+			if (username) updateData.username = username.trim();
-			// Handle first_name and last_name - allow empty strings to clear the field
+			if (email) updateData.email = email.trim();
 			if (first_name !== undefined) {
+				// Allow null or empty string to clear the field, otherwise trim
 				updateData.first_name =
-					first_name === "" ? null : first_name.trim() || null;
+					first_name === "" || first_name === null
+						? null
+						: first_name.trim() || null;
 			}
 			if (last_name !== undefined) {
+				// Allow null or empty string to clear the field, otherwise trim
 				updateData.last_name =
-					last_name === "" ? null : last_name.trim() || null;
+					last_name === "" || last_name === null
+						? null
+						: last_name.trim() || null;
 			}
 
 			// Check if username/email already exists (excluding current user)
@@ -1106,16 +1136,6 @@ router.put(
 			// Use fresh data if available, otherwise fallback to updatedUser
 			const responseUser = freshUser || updatedUser;
 
-			// Log update for debugging (only log in non-production)
-			if (process.env.NODE_ENV !== "production") {
-				console.log("Profile updated:", {
-					userId: req.user.id,
-					first_name: responseUser.first_name,
-					last_name: responseUser.last_name,
-					updated_at: responseUser.updated_at,
-				});
-			}
-
 			res.json({
 				message: "Profile updated successfully",
 				user: responseUser,

frontend/src/App.jsx

@@ -450,8 +450,8 @@ function AppRoutes() {
 
 function App() {
 	return (
-		<ThemeProvider>
 		<AuthProvider>
+			<ThemeProvider>
 				<SettingsProvider>
 					<ColorThemeProvider>
 						<UpdateNotificationProvider>
@@ -461,8 +461,8 @@ function App() {
 						</UpdateNotificationProvider>
 					</ColorThemeProvider>
 				</SettingsProvider>
-			</AuthProvider>
 			</ThemeProvider>
+		</AuthProvider>
 	);
 }
 

frontend/src/contexts/AuthContext.jsx

@@ -138,6 +138,9 @@ export const AuthProvider = ({ children }) => {
 					setPermissions(userPermissions);
 				}
 
+				// Note: User preferences will be automatically fetched by ColorThemeContext
+				// when the component mounts, so no need to invalidate here
+
 				return { success: true };
 			} else {
 				// Handle HTTP error responses (like 500 CORS errors)
@@ -224,8 +227,6 @@ export const AuthProvider = ({ children }) => {
 			const data = await response.json();
 
 			if (response.ok) {
-				console.log("Profile updated - received user data:", data.user);
-
 				// Validate that we received user data with expected fields
 				if (!data.user || !data.user.id) {
 					console.error("Invalid user data in response:", data);
@@ -239,15 +240,6 @@ export const AuthProvider = ({ children }) => {
 				setUser(data.user);
 				localStorage.setItem("user", JSON.stringify(data.user));
 
-				// Log update for debugging (only in non-production)
-				if (process.env.NODE_ENV !== "production") {
-					console.log("User data updated in localStorage:", {
-						id: data.user.id,
-						first_name: data.user.first_name,
-						last_name: data.user.last_name,
-					});
-				}
-
 				return { success: true, user: data.user };
 			} else {
 				// Handle HTTP error responses (like 500 CORS errors)

frontend/src/contexts/ColorThemeContext.jsx

@@ -1,6 +1,15 @@
-import { useQuery } from "@tanstack/react-query";
+import { useQuery, useQueryClient } from "@tanstack/react-query";
-import { createContext, useContext, useEffect, useState } from "react";
+import {
+	createContext,
+	useCallback,
+	useContext,
+	useEffect,
+	useMemo,
+	useRef,
+	useState,
+} from "react";
 import { userPreferencesAPI } from "../utils/api";
+import { useAuth } from "./AuthContext";
 
 const ColorThemeContext = createContext();
 
@@ -123,48 +132,108 @@ export const THEME_PRESETS = {
 };
 
 export const ColorThemeProvider = ({ children }) => {
-	const [colorTheme, setColorTheme] = useState(() => {
+	const queryClient = useQueryClient();
-		// Initialize from localStorage for immediate render
+	const lastThemeRef = useRef(null);
-		return localStorage.getItem("colorTheme") || "cyber_blue";
-	});
-	const [isLoading, setIsLoading] = useState(true);
 
-	// Fetch user preferences from backend
+	// Use reactive authentication state from AuthContext
-	const { data: userPreferences } = useQuery({
+	// This ensures the query re-enables when user logs in
+	const { user } = useAuth();
+	const isAuthenticated = !!user;
+
+	// Source of truth: Database (via userPreferences query)
+	// localStorage is only used as a temporary cache until DB loads
+	// Only fetch if user is authenticated to avoid 401 errors on login page
+	const { data: userPreferences, isLoading: preferencesLoading } = useQuery({
 		queryKey: ["userPreferences"],
 		queryFn: () => userPreferencesAPI.get().then((res) => res.data),
-		retry: 1,
+		enabled: isAuthenticated, // Only run query if user is authenticated
+		retry: 2,
 		staleTime: 5 * 60 * 1000, // 5 minutes
+		refetchOnWindowFocus: true, // Refetch when user returns to tab
 	});
 
-	// Update theme when preferences are loaded
+	// Get theme from database (source of truth), fallback to user object from login, then localStorage cache, then default
+	// Memoize to prevent recalculation on every render
+	const colorThemeValue = useMemo(() => {
+		return (
+			userPreferences?.color_theme ||
+			user?.color_theme ||
+			localStorage.getItem("colorTheme") ||
+			"cyber_blue"
+		);
+	}, [userPreferences?.color_theme, user?.color_theme]);
+
+	// Only update state if the theme value actually changed (prevent loops)
+	const [colorTheme, setColorTheme] = useState(() => colorThemeValue);
+
+	useEffect(() => {
+		// Only update if the value actually changed from what we last saw (prevent loops)
+		if (colorThemeValue !== lastThemeRef.current) {
+			setColorTheme(colorThemeValue);
+			lastThemeRef.current = colorThemeValue;
+		}
+	}, [colorThemeValue]);
+
+	const isLoading = preferencesLoading;
+
+	// Sync localStorage cache when DB data is available (for offline/performance)
 	useEffect(() => {
 		if (userPreferences?.color_theme) {
-			setColorTheme(userPreferences.color_theme);
 			localStorage.setItem("colorTheme", userPreferences.color_theme);
 		}
-		setIsLoading(false);
+	}, [userPreferences?.color_theme]);
-	}, [userPreferences]);
 
-	const updateColorTheme = async (theme) => {
+	const updateColorTheme = useCallback(
+		async (theme) => {
+			// Store previous theme for potential revert
+			const previousTheme = colorTheme;
+
+			// Immediately update state for instant UI feedback
 			setColorTheme(theme);
+			lastThemeRef.current = theme;
+
+			// Also update localStorage cache
 			localStorage.setItem("colorTheme", theme);
 
-		// Save to backend
+			// Save to backend (source of truth)
 			try {
 				await userPreferencesAPI.update({ color_theme: theme });
+
+				// Invalidate and refetch user preferences to ensure sync across tabs/browsers
+				await queryClient.invalidateQueries({ queryKey: ["userPreferences"] });
 			} catch (error) {
 				console.error("Failed to save color theme preference:", error);
-			// Theme is already set locally, so user still sees the change
+				// Revert to previous theme if save failed
-		}
+				setColorTheme(previousTheme);
-	};
+				lastThemeRef.current = previousTheme;
+				localStorage.setItem("colorTheme", previousTheme);
 
-	const value = {
+				// Invalidate to refresh from DB
+				await queryClient.invalidateQueries({ queryKey: ["userPreferences"] });
+
+				// Show error to user if possible (could add toast notification here)
+				throw error; // Re-throw so calling code can handle it
+			}
+		},
+		[colorTheme, queryClient],
+	);
+
+	// Memoize themeConfig to prevent unnecessary re-renders
+	const themeConfig = useMemo(
+		() => THEME_PRESETS[colorTheme] || THEME_PRESETS.default,
+		[colorTheme],
+	);
+
+	// Memoize the context value to prevent unnecessary re-renders
+	const value = useMemo(
+		() => ({
 			colorTheme,
 			setColorTheme: updateColorTheme,
-		themeConfig: THEME_PRESETS[colorTheme] || THEME_PRESETS.default,
+			themeConfig,
 			isLoading,
-	};
+		}),
+		[colorTheme, themeConfig, isLoading, updateColorTheme],
+	);
 
 	return (
 		<ColorThemeContext.Provider value={value}>

frontend/src/contexts/ThemeContext.jsx

@@ -1,6 +1,7 @@
 import { useQuery } from "@tanstack/react-query";
 import { createContext, useContext, useEffect, useState } from "react";
 import { userPreferencesAPI } from "../utils/api";
+import { useAuth } from "./AuthContext";
 
 const ThemeContext = createContext();
 
@@ -26,21 +27,29 @@ export const ThemeProvider = ({ children }) => {
 		return "light";
 	});
 
-	// Fetch user preferences from backend
+	// Use reactive authentication state from AuthContext
+	// This ensures the query re-enables when user logs in
+	const { user } = useAuth();
+	const isAuthenticated = !!user;
+
+	// Fetch user preferences from backend (only if authenticated)
 	const { data: userPreferences } = useQuery({
 		queryKey: ["userPreferences"],
 		queryFn: () => userPreferencesAPI.get().then((res) => res.data),
+		enabled: isAuthenticated, // Only run query if user is authenticated
 		retry: 1,
 		staleTime: 5 * 60 * 1000, // 5 minutes
 	});
 
-	// Sync with user preferences from backend
+	// Sync with user preferences from backend or user object from login
 	useEffect(() => {
-		if (userPreferences?.theme_preference) {
+		const preferredTheme =
-			setTheme(userPreferences.theme_preference);
+			userPreferences?.theme_preference || user?.theme_preference;
-			localStorage.setItem("theme", userPreferences.theme_preference);
+		if (preferredTheme) {
+			setTheme(preferredTheme);
+			localStorage.setItem("theme", preferredTheme);
 		}
-	}, [userPreferences]);
+	}, [userPreferences, user?.theme_preference]);
 
 	useEffect(() => {
 		// Apply theme to document

frontend/src/pages/Login.jsx

@@ -248,7 +248,8 @@ const Login = () => {
 			} catch (error) {
 				console.error("Failed to fetch GitHub data:", error);
 				// Set fallback data if nothing cached
-				if (!latestRelease) {
+				const cachedRelease = localStorage.getItem("githubLatestRelease");
+				if (!cachedRelease) {
 					setLatestRelease({
 						version: "v1.3.0",
 						name: "Latest Release",
@@ -260,7 +261,7 @@ const Login = () => {
 		};
 
 		fetchGitHubData();
-	}, [latestRelease]);
+	}, []); // Run once on mount
 
 	const handleSubmit = async (e) => {
 		e.preventDefault();

setup.sh

@@ -66,27 +66,27 @@ SELECTED_SERVICE_NAME=""
 
 # Functions
 print_status() {
-    echo -e "${GREEN}✅ $1${NC}"
+    printf "${GREEN}%s${NC}\n" "$1"
 }
 
 print_info() {
-    echo -e "${BLUE}ℹ️  $1${NC}"
+    printf "${BLUE}%s${NC}\n" "$1"
 }
 
 print_error() {
-    echo -e "${RED}❌ $1${NC}"
+    printf "${RED}%s${NC}\n" "$1"
 }
 
 print_warning() {
-    echo -e "${YELLOW}⚠️  $1${NC}"
+    printf "${YELLOW}%s${NC}\n" "$1"
 }
 
 print_question() {
-    echo -e "${BLUE}❓ $1${NC}"
+    printf "${BLUE}%s${NC}\n" "$1"
 }
 
 print_success() {
-    echo -e "${GREEN}🎉 $1${NC}"
+    printf "${GREEN}%s${NC}\n" "$1"
 }
 
 # Interactive input functions
@@ -1657,7 +1657,7 @@ start_services() {
         local logs=$(journalctl -u "$SERVICE_NAME" -n 50 --no-pager 2>/dev/null || echo "")
         
         if echo "$logs" | grep -q "WRONGPASS\|NOAUTH"; then
-            print_error "❌ Detected Redis authentication error!"
+            print_error "Detected Redis authentication error!"
             print_info "The service cannot authenticate with Redis."
             echo ""
             print_info "Current Redis configuration in .env:"
@@ -1681,18 +1681,18 @@ start_services() {
             print_info "     cat /etc/redis/users.acl"
             echo ""
         elif echo "$logs" | grep -q "ECONNREFUSED.*postgresql\|Connection refused.*5432"; then
-            print_error "❌ Detected PostgreSQL connection error!"
+            print_error "Detected PostgreSQL connection error!"
             print_info "Check if PostgreSQL is running:"
             print_info "  systemctl status postgresql"
         elif echo "$logs" | grep -q "ECONNREFUSED.*redis\|Connection refused.*6379"; then
-            print_error "❌ Detected Redis connection error!"
+            print_error "Detected Redis connection error!"
             print_info "Check if Redis is running:"
             print_info "  systemctl status redis-server"
         elif echo "$logs" | grep -q "database.*does not exist"; then
-            print_error "❌ Database does not exist!"
+            print_error "Database does not exist!"
             print_info "Database: $DB_NAME"
         elif echo "$logs" | grep -q "Error:"; then
-            print_error "❌ Application error detected in logs"
+            print_error "Application error detected in logs"
         fi
         
         echo ""
@@ -1741,9 +1741,9 @@ async function updateSettings() {
       });
     }
     
-    console.log('✅ Database settings updated successfully');
+    console.log('Database settings updated successfully');
   } catch (error) {
-    console.error('❌ Error updating settings:', error.message);
+    console.error('Error updating settings:', error.message);
     process.exit(1);
   } finally {
     await prisma.\$disconnect();
@@ -1867,7 +1867,7 @@ EOF
     if [ -f "$SUMMARY_FILE" ]; then
         print_status "Deployment summary appended to: $SUMMARY_FILE"
     else
-        print_error "⚠️  Failed to append to deployment-info.txt file"
+        print_error "Failed to append to deployment-info.txt file"
         return 1
     fi
 }
@@ -1949,7 +1949,7 @@ EOF
         print_status "Deployment information saved to: $INFO_FILE"
         print_info "File details: $(ls -lh "$INFO_FILE" | awk '{print $5, $9}')"
     else
-        print_error "⚠️  Failed to create deployment-info.txt file"
+        print_error "Failed to create deployment-info.txt file"
         return 1
     fi
 }
@@ -2142,7 +2142,7 @@ deploy_instance() {
     log_message "Backend port: $BACKEND_PORT"
     log_message "SSL enabled: $USE_LETSENCRYPT"
     
-    print_status "🎉 PatchMon instance deployed successfully!"
+    print_status "PatchMon instance deployed successfully!"
     echo ""
     print_info "Next steps:"
     echo "  • Visit your URL: $SERVER_PROTOCOL_SEL://$FQDN (ensure DNS is configured)"
@@ -3236,7 +3236,7 @@ update_installation() {
     sleep 5
     
     if systemctl is-active --quiet "$service_name"; then
-        print_success "✅ Update completed successfully!"
+        print_success "Update completed successfully!"
         print_status "Service $service_name is running"
         
         # Get new version
@@ -3264,7 +3264,7 @@ update_installation() {
         local logs=$(journalctl -u "$service_name" -n 50 --no-pager 2>/dev/null || echo "")
         
         if echo "$logs" | grep -q "WRONGPASS\|NOAUTH"; then
-            print_error "❌ Detected Redis authentication error!"
+            print_error "Detected Redis authentication error!"
             print_info "The service cannot authenticate with Redis."
             echo ""
             print_info "Current Redis configuration in .env:"
@@ -3281,12 +3281,12 @@ update_installation() {
             print_info "     redis-cli --user $test_user --pass $test_pass -n ${test_db:-0} ping"
             echo ""
         elif echo "$logs" | grep -q "ECONNREFUSED"; then
-            print_error "❌ Detected connection refused error!"
+            print_error "Detected connection refused error!"
             print_info "Check if required services are running:"
             print_info "  systemctl status postgresql"
             print_info "  systemctl status redis-server"
         elif echo "$logs" | grep -q "Error:"; then
-            print_error "❌ Application error detected in logs"
+            print_error "Application error detected in logs"
         fi
         
         echo ""
@@ -3319,7 +3319,7 @@ main() {
     # Handle update mode
     if [ "$UPDATE_MODE" = "true" ]; then
         print_banner
-        print_info "🔄 PatchMon Update Mode"
+        print_info "PatchMon Update Mode"
         echo ""
         
         # Select installation to update
@@ -3335,7 +3335,7 @@ main() {
     # Check if existing installations are present
     local existing_installs=($(detect_installations))
     if [ ${#existing_installs[@]} -gt 0 ]; then
-        print_warning "⚠️  Found ${#existing_installs[@]} existing PatchMon installation(s):"
+        print_warning "Found ${#existing_installs[@]} existing PatchMon installation(s):"
         for install in "${existing_installs[@]}"; do
             print_info "   - $install"
         done