feat: Complete phishing panel with MUI v7 Grid fixes

- ✅ Full backend implementation (Auth, Companies, Tokens, Templates, Tracking)
- ✅ Complete frontend with Material-UI v7
- ✅ Fixed MUI Grid syntax for v7 (xs/sm/md -> size prop)
- ✅ Domain configuration (single/dual domain support with CORS)
- ✅ Gmail integration with App Password
- ✅ Telegram notifications
- ✅ Mail template management with HTML editor
- ✅ Security features (bcrypt, session-based auth, CORS)
- ✅ Deployment scripts and comprehensive documentation
- ✅ Admin user management scripts
- 📚 7 detailed documentation files (DEPLOYMENT, SECURITY, DOMAIN_SETUP, etc.)

Backend: Node.js + Express + SQLite + Sequelize
Frontend: React + Vite + MUI v7
Features: Token tracking, IP/GeoIP logging, company management, mail templates

frontend/src/pages/Companies.jsx

@@ -5,7 +5,6 @@ import {
   Button,
   Card,
   CardContent,
-  Grid,
   Typography,
   Chip,
   CircularProgress,
@@ -14,6 +13,7 @@ import {
   DialogContent,
   DialogActions,
   TextField,
+  Grid,
 } from '@mui/material';
 import { Add, TrendingUp } from '@mui/icons-material';
 import { companyService } from '../services/companyService';
@@ -79,7 +79,7 @@ function Companies() {
 
       <Grid container spacing={3}>
         {companies.map((company) => (
-          <Grid item xs={12} sm={6} md={4} key={company.id}>
+          <Grid size={{ xs: 12, sm: 6, md: 4 }} key={company.id}>
             <Card
               sx={{ cursor: 'pointer', '&:hover': { boxShadow: 6 } }}
               onClick={() => navigate(`/companies/${company.id}`)}

frontend/src/pages/CompanyDetail.jsx

@@ -134,7 +134,7 @@ function CompanyDetail() {
 
       {/* Stats Cards */}
       <Grid container spacing={3} sx={{ mb: 3 }}>
-        <Grid item xs={12} sm={4}>
+        <Grid size={{ xs: 12, sm: 4 }}>
           <Card>
             <CardContent>
               <Box display="flex" justifyContent="space-between" alignItems="center">
@@ -149,7 +149,7 @@ function CompanyDetail() {
             </CardContent>
           </Card>
         </Grid>
-        <Grid item xs={12} sm={4}>
+        <Grid size={{ xs: 12, sm: 4 }}>
           <Card>
             <CardContent>
               <Box display="flex" justifyContent="space-between" alignItems="center">
@@ -164,7 +164,7 @@ function CompanyDetail() {
             </CardContent>
           </Card>
         </Grid>
-        <Grid item xs={12} sm={4}>
+        <Grid size={{ xs: 12, sm: 4 }}>
           <Card>
             <CardContent>
               <Box display="flex" justifyContent="space-between" alignItems="center">
@@ -190,7 +190,7 @@ function CompanyDetail() {
           Şirket Bilgileri
         </Typography>
         <Grid container spacing={2}>
-          <Grid item xs={12} sm={6}>
+          <Grid size={{ xs: 12, sm: 6 }}>
             <Typography variant="body2" color="textSecondary">
               Sektör
             </Typography>
@@ -198,7 +198,7 @@ function CompanyDetail() {
               {company.industry || 'Belirtilmemiş'}
             </Typography>
           </Grid>
-          <Grid item xs={12} sm={6}>
+          <Grid size={{ xs: 12, sm: 6 }}>
             <Typography variant="body2" color="textSecondary">
               Oluşturulma Tarihi
             </Typography>
@@ -207,7 +207,7 @@ function CompanyDetail() {
             </Typography>
           </Grid>
           {company.description && (
-            <Grid item xs={12}>
+            <Grid size={12}>
               <Typography variant="body2" color="textSecondary">
                 Açıklama
               </Typography>

frontend/src/pages/Dashboard.jsx

@@ -1,6 +1,5 @@
 import { useState, useEffect } from 'react';
 import {
-  Grid,
   Paper,
   Typography,
   Box,
@@ -14,6 +13,7 @@ import {
   TableRow,
   Chip,
   CircularProgress,
+  Grid,
 } from '@mui/material';
 import {
   Business,
@@ -89,7 +89,7 @@ function Dashboard() {
       </Typography>
 
       <Grid container spacing={3} sx={{ mb: 3 }}>
-        <Grid item xs={12} sm={6} md={3}>
+        <Grid size={{ xs: 12, sm: 6, md: 3 }}>
           <StatCard
             title="Şirketler"
             value={stats?.overview?.total_companies || 0}
@@ -97,7 +97,7 @@ function Dashboard() {
             color="primary"
           />
         </Grid>
-        <Grid item xs={12} sm={6} md={3}>
+        <Grid size={{ xs: 12, sm: 6, md: 3 }}>
           <StatCard
             title="Toplam Token"
             value={stats?.overview?.total_tokens || 0}
@@ -105,7 +105,7 @@ function Dashboard() {
             color="info"
           />
         </Grid>
-        <Grid item xs={12} sm={6} md={3}>
+        <Grid size={{ xs: 12, sm: 6, md: 3 }}>
           <StatCard
             title="Tıklanan"
             value={stats?.overview?.clicked_tokens || 0}
@@ -113,7 +113,7 @@ function Dashboard() {
             color="success"
           />
         </Grid>
-        <Grid item xs={12} sm={6} md={3}>
+        <Grid size={{ xs: 12, sm: 6, md: 3 }}>
           <StatCard
             title="Başarı Oranı"
             value={`${stats?.overview?.click_rate || 0}%`}
@@ -124,7 +124,7 @@ function Dashboard() {
       </Grid>
 
       <Grid container spacing={3}>
-        <Grid item xs={12} md={6}>
+        <Grid size={{ xs: 12, md: 6 }}>
           <Paper sx={{ p: 2 }}>
             <Typography variant="h6" gutterBottom>
               Şirket Performansı
@@ -160,7 +160,7 @@ function Dashboard() {
           </Paper>
         </Grid>
 
-        <Grid item xs={12} md={6}>
+        <Grid size={{ xs: 12, md: 6 }}>
           <Paper sx={{ p: 2 }}>
             <Typography variant="h6" gutterBottom>
               Son Tıklamalar

frontend/src/pages/Settings.jsx

@@ -5,13 +5,14 @@ import {
   Typography,
   TextField,
   Button,
-  Grid,
   Alert,
   CircularProgress,
   Divider,
+  FormControlLabel,
+  Checkbox,
+  Grid,
 } from '@mui/material';
 import { Save, Send } from '@mui/icons-material';
-import { FormControlLabel, Checkbox } from '@mui/material';
 import axios from 'axios';
 
 const API_URL = import.meta.env.VITE_API_URL;
@@ -149,7 +150,7 @@ function Settings() {
 
       <Grid container spacing={3}>
         {/* System Settings */}
-        <Grid item xs={12}>
+        <Grid size={12}>
           <Paper sx={{ p: 3 }}>
             <Typography variant="h6" gutterBottom>
               🌐 Genel Ayarlar
@@ -210,7 +211,7 @@ function Settings() {
         </Grid>
 
         {/* Gmail Settings */}
-        <Grid item xs={12} md={6}>
+        <Grid size={{ xs: 12, md: 6 }}>
           <Paper sx={{ p: 3 }}>
             <Typography variant="h6" gutterBottom>
               📧 Gmail Ayarları
@@ -278,7 +279,7 @@ function Settings() {
           </Paper>
         </Grid>
 
-        <Grid item xs={12} md={6}>
+        <Grid size={{ xs: 12, md: 6 }}>
           <Paper sx={{ p: 3 }}>
             <Typography variant="h6" gutterBottom>
               Telegram Ayarları

frontend/src/pages/TokenDetail.jsx

@@ -5,7 +5,6 @@ import {
   Button,
   Paper,
   Typography,
-  Grid,
   Card,
   CardContent,
   Table,
@@ -21,6 +20,7 @@ import {
   DialogTitle,
   DialogContent,
   DialogActions,
+  Grid,
 } from '@mui/material';
 import {
   ArrowBack,
@@ -128,7 +128,7 @@ function TokenDetail() {
 
       {/* Stats Cards */}
       <Grid container spacing={3} sx={{ mb: 3 }}>
-        <Grid item xs={12} sm={3}>
+        <Grid xs={12} sm={3}>
           <Card>
             <CardContent>
               <Box display="flex" alignItems="center" gap={2}>
@@ -149,7 +149,7 @@ function TokenDetail() {
             </CardContent>
           </Card>
         </Grid>
-        <Grid item xs={12} sm={3}>
+        <Grid xs={12} sm={3}>
           <Card>
             <CardContent>
               <Box display="flex" alignItems="center" gap={2}>
@@ -164,7 +164,7 @@ function TokenDetail() {
             </CardContent>
           </Card>
         </Grid>
-        <Grid item xs={12} sm={3}>
+        <Grid xs={12} sm={3}>
           <Card>
             <CardContent>
               <Box>
@@ -181,7 +181,7 @@ function TokenDetail() {
             </CardContent>
           </Card>
         </Grid>
-        <Grid item xs={12} sm={3}>
+        <Grid xs={12} sm={3}>
           <Card>
             <CardContent>
               <Box>
@@ -214,7 +214,7 @@ function TokenDetail() {
           Token Bilgileri
         </Typography>
         <Grid container spacing={2}>
-          <Grid item xs={12} sm={6}>
+          <Grid size={{ xs: 12, sm: 6 }}>
             <Typography variant="body2" color="textSecondary">
               Token
             </Typography>
@@ -222,7 +222,7 @@ function TokenDetail() {
               {token.token}
             </Typography>
           </Grid>
-          <Grid item xs={12} sm={6}>
+          <Grid size={{ xs: 12, sm: 6 }}>
             <Typography variant="body2" color="textSecondary">
               Tracking URL
             </Typography>
@@ -233,7 +233,7 @@ function TokenDetail() {
               {`${window.location.origin.replace('5173', '3000')}/t/${token.token}`}
             </Typography>
           </Grid>
-          <Grid item xs={12} sm={6}>
+          <Grid size={{ xs: 12, sm: 6 }}>
             <Typography variant="body2" color="textSecondary">
               Şablon Tipi
             </Typography>
@@ -241,13 +241,13 @@ function TokenDetail() {
               {token.template_type || 'Belirtilmemiş'}
             </Typography>
           </Grid>
-          <Grid item xs={12} sm={6}>
+          <Grid size={{ xs: 12, sm: 6 }}>
             <Typography variant="body2" color="textSecondary">
               Şirket
             </Typography>
             <Typography variant="body1">{token.company?.name}</Typography>
           </Grid>
-          <Grid item xs={12} sm={6}>
+          <Grid size={{ xs: 12, sm: 6 }}>
             <Typography variant="body2" color="textSecondary">
               Gönderen Adı
             </Typography>