diff --git a/.plan/I18N_INTEGRATION_TEST_PLAN.md b/.plan/I18N_INTEGRATION_TEST_PLAN.md
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+# Language Switcher Integration Tests - Implementation Plan
+
+**Project:** Blogware/Scriptlog CMS
+**Date:** April 2026
+**Status:** Planning
+
+---
+
+## Executive Summary
+
+This document outlines the implementation plan for integration tests that verify the complete frontend language switching flow. These tests will run against a live or simulated environment to validate the end-to-end functionality.
+
+---
+
+## Current State
+
+### Unit Tests Passing ✅
+- `LanguageSwitcherTest.php` - 9 tests, 42 assertions
+- `LocaleDetectorTest.php` - 17 tests
+- `ThemeI18nTest.php` - 26 tests
+
+### What's NOT Tested Yet
+The full frontend language switching flow from click to display is not automated:
+1. User clicks language dropdown → URL changes to `?switch-lang=XX`
+2. `lib/main.php` processes `switch-lang` parameter
+3. Session/cookie is set
+4. User is redirected to original URL
+5. Page displays in new language
+
+---
+
+## Integration Test Implementation Plan
+
+### Phase 1: HTTP Integration Tests
+
+Create `tests/integration/LanguageSwitcherIntegrationTest.php` that simulates HTTP requests.
+
+#### Test 1.1: Switch-Lang Parameter Processing
+```php
+public function testSwitchLangParameterIsProcessed()
+{
+ // Simulate request: /?switch-lang=ar
+ $_GET['switch-lang'] = 'ar';
+ $_SERVER['REQUEST_URI'] = '/';
+
+ // Process through main.php logic
+ $langCode = preg_replace('/[^a-z]{2}/', '', strtolower($_GET['switch-lang']));
+
+ $this->assertEquals('ar', $langCode);
+ $this->assertTrue(in_array($langCode, ['en', 'ar', 'zh', 'fr', 'ru', 'es', 'id']));
+}
+```
+
+#### Test 1.2: Redirect URL Construction
+```php
+public function testRedirectUrlIsProperlyConstructed()
+{
+ $_SERVER['REQUEST_URI'] = '/blog/my-post?foo=bar';
+
+ // Simulate redirect logic from lib/main.php
+ $urlParts = parse_url($_SERVER['REQUEST_URI']);
+ $path = $urlParts['path'] ?? '/';
+ parse_str($urlParts['query'] ?? '', $query);
+ unset($query['switch-lang']);
+ $newQuery = !empty($query) ? '?' . http_build_query($query) : '';
+ $redirectUrl = $path . $newQuery;
+
+ $this->assertEquals('/blog/my-post?foo=bar', $redirectUrl);
+}
+```
+
+#### Test 1.3: Session/Cookie Storage
+```php
+public function testLocaleIsStoredInSessionAndCookie()
+{
+ // Simulate the logic from lib/main.php
+ $langCode = 'ar';
+
+ $_SESSION['scriptlog_locale'] = $langCode;
+
+ // Verify session is set
+ $this->assertEquals('ar', $_SESSION['scriptlog_locale']);
+}
+```
+
+### Phase 2: Database Integration Tests
+
+Create tests that verify content filtering by locale.
+
+#### Test 2.1: Posts Filtered by Locale
+```php
+public function testPostsAreFilteredByLocale()
+{
+ // Create test posts with different locales
+ // Post 1: post_locale = 'en'
+ // Post 2: post_locale = 'ar'
+
+ // Set current locale to 'ar'
+ $_SESSION['scriptlog_locale'] = 'ar';
+
+ // Fetch posts - should only return 'ar' posts
+ // Verify Post 2 is returned, Post 1 is filtered out
+}
+```
+
+#### Test 2.2: Topics Filtered by Locale
+```php
+public function testTopicsAreFilteredByLocale()
+{
+ // Create test topics with different locales
+ // Set locale, verify filtering works
+}
+```
+
+#### Test 2.3: Menu Items Filtered by Locale
+```php
+public function testMenuItemsAreFilteredByLocale()
+{
+ // Create test menu items with different locales
+ // Set locale, verify only matching items shown
+}
+```
+
+### Phase 3: RTL Integration Tests
+
+Verify RTL layout is applied correctly.
+
+#### Test 3.1: RTL Detection
+```php
+public function testRTLIsDetectedForArabic()
+{
+ $_SESSION['scriptlog_locale'] = 'ar';
+
+ // Simulate is_rtl() check
+ $rtlLocales = ['ar'];
+ $isRtl = in_array($_SESSION['scriptlog_locale'], $rtlLocales);
+
+ $this->assertTrue($isRtl);
+}
+```
+
+#### Test 3.2: HTML Direction Attribute
+```php
+public function testHtmlDirAttributeIsSetCorrectly()
+{
+ // Test LTR
+ $_SESSION['scriptlog_locale'] = 'en';
+ $dir = ($_SESSION['scriptlog_locale'] === 'ar') ? 'rtl' : 'ltr';
+ $this->assertEquals('ltr', $dir);
+
+ // Test RTL
+ $_SESSION['scriptlog_locale'] = 'ar';
+ $dir = ($_SESSION['scriptlog_locale'] === 'ar') ? 'rtl' : 'ltr';
+ $this->assertEquals('rtl', $dir);
+}
+```
+
+### Phase 4: End-to-End Flow Tests
+
+Simulate the complete user journey.
+
+#### Test 4.1: Complete Language Switch Flow
+```php
+public function testCompleteLanguageSwitchFlow()
+{
+ // Step 1: User is on English page
+ $_SESSION['scriptlog_locale'] = 'en';
+ $this->assertEquals('en', $_SESSION['scriptlog_locale']);
+
+ // Step 2: User clicks Arabic
+ $_GET['switch-lang'] = 'ar';
+ $_SERVER['REQUEST_URI'] = '/blog/my-post';
+
+ // Step 3: Process switch-lang
+ $langCode = preg_replace('/[^a-z]{2}/', '', strtolower($_GET['switch-lang']));
+ $_SESSION['scriptlog_locale'] = $langCode;
+
+ // Step 4: Verify locale changed
+ $this->assertEquals('ar', $_SESSION['scriptlog_locale']);
+ $this->assertTrue(is_rtl());
+
+ // Step 5: Verify redirect URL is correct
+ $urlParts = parse_url($_SERVER['REQUEST_URI']);
+ $redirectUrl = $urlParts['path'];
+ $this->assertEquals('/blog/my-post', $redirectUrl);
+}
+```
+
+#### Test 4.2: Language Switches Persist
+```php
+public function testLanguageSwitchPersistsAcrossRequests()
+{
+ // First request - set locale
+ $_SESSION['scriptlog_locale'] = 'fr';
+ $_COOKIE['scriptlog_locale'] = 'fr';
+
+ // Second request - detect locale from session
+ // (Simulate new request context)
+ $detectedLocale = $_SESSION['scriptlog_locale'] ??
+ $_COOKIE['scriptlog_locale'] ??
+ 'en';
+
+ $this->assertEquals('fr', $detectedLocale);
+}
+```
+
+---
+
+## Test Implementation Order
+
+### Priority 1: Core Logic Tests
+1. `testSwitchLangParameterIsProcessed` - Basic parameter handling
+2. `testRedirectUrlIsProperlyConstructed` - URL manipulation
+3. `testLocaleIsStoredInSession` - Session storage
+4. `testLocaleIsStoredInCookie` - Cookie storage
+
+### Priority 2: Content Filtering Tests
+5. `testPostsFilteredByLocale` - Post content filtering
+6. `testTopicsFilteredByLocale` - Topic filtering
+7. `testMenuItemsFilteredByLocale` - Menu filtering
+
+### Priority 3: UI/Presentation Tests
+8. `testRTLIsDetectedForArabic` - RTL detection
+9. `testHtmlDirAttributeIsSetCorrectly` - HTML attribute
+10. `testLanguageSwitcherDisplaysCorrectLanguage` - UI verification
+
+### Priority 4: End-to-End Tests
+11. `testCompleteLanguageSwitchFlow` - Full flow
+12. `testLanguageSwitchPersistsAcrossRequests` - Persistence
+13. `testInvalidLocaleIsRejected` - Error handling
+14. `testDefaultLocaleFallbackWorks` - Fallback
+
+---
+
+## Test Data Requirements
+
+### Required Test Data in Database
+
+```sql
+-- Languages
+INSERT INTO tbl_languages (lang_code, lang_name, lang_native, lang_direction) VALUES
+('en', 'English', 'English', 'ltr'),
+('ar', 'Arabic', 'العربية', 'rtl'),
+('zh', 'Chinese', '中文', 'ltr'),
+('fr', 'French', 'Français', 'ltr');
+
+-- Posts (with locales)
+INSERT INTO tbl_posts (post_title, post_locale, post_status) VALUES
+('English Post', 'en', 'publish'),
+('Arabic Post', 'ar', 'publish'),
+('Chinese Post', 'zh', 'publish');
+
+-- Topics (with locales)
+INSERT INTO tbl_topics (topic_title, topic_locale, topic_status) VALUES
+('English Category', 'en', 'Y'),
+('Arabic Category', 'ar', 'Y');
+
+-- Menu items (with locales)
+INSERT INTO tbl_menu (menu_label, menu_locale, menu_status) VALUES
+('Home', 'en', 'Y'),
+('الرئيسية', 'ar', 'Y');
+```
+
+---
+
+## Test Execution Strategy
+
+### Option A: HTTP Client Tests (Recommended)
+Use Guzzle HTTP client to make real requests:
+
+```php
+public function testLiveLanguageSwitch()
+{
+ $client = new GuzzleHttp\Client(['base_uri' => 'http://localhost']);
+
+ // Click Arabic language
+ $response = $client->get('/?switch-lang=ar');
+
+ // Follow redirect
+ $this->assertEquals(302, $response->getStatusCode());
+ $location = $response->getHeader('Location')[0];
+
+ // Verify redirect to original URL
+ $this->assertEquals('/', $location);
+
+ // Make request to page with Arabic locale cookie
+ $response = $client->get('/', [
+ 'cookies' => $cookies
+ ]);
+
+ // Verify content is in Arabic
+ $body = (string) $response->getBody();
+ $this->assertStringContainsString('العربية', $body);
+}
+```
+
+### Option B: Simulated Request Tests
+Simulate the request/response cycle without HTTP:
+
+```php
+public function testSimulatedLanguageSwitch()
+{
+ // Simulate environment
+ $_SERVER['REQUEST_URI'] = '/blog/my-post';
+ $_GET['switch-lang'] = 'ar';
+ $_GET['redirect'] = '/blog/my-post';
+
+ // Process through main.php logic (without header output)
+ ob_start();
+ // Include only the relevant logic, not full main.php
+ $langCode = preg_replace('/[^a-z]{2}/', '', strtolower($_GET['switch-lang']));
+ $_SESSION['scriptlog_locale'] = $langCode;
+ setcookie('scriptlog_locale', $langCode, time() + 86400, '/');
+ ob_end_clean();
+
+ // Verify results
+ $this->assertEquals('ar', $_SESSION['scriptlog_locale']);
+ $this->assertEquals('ar', $_COOKIE['scriptlog_locale']);
+}
+```
+
+### Option C: Browser Automation (Selenium/Playwright)
+For full end-to-end testing with JavaScript:
+
+```php
+public function testBrowserLanguageSwitch()
+{
+ $driver = SeleniumDriver::chrome();
+
+ $driver->get('http://localhost/');
+
+ // Click language dropdown
+ $driver->findElement(WebDriverBy::cssSelector('#languageMenu'))
+ ->click();
+
+ // Click Arabic
+ $driver->findElement(WebDriverBy::linkText('العربية'))
+ ->click();
+
+ // Wait for redirect
+ $driver->wait()->until(WebDriverExpectedCondition::urlContains('/'));
+
+ // Verify locale
+ $html = $driver->getPageSource();
+ $this->assertStringContainsString('dir="rtl"', $html);
+}
+```
+
+---
+
+## Files to Create/Modify
+
+### New Files
+| File | Purpose |
+|------|---------|
+| `tests/integration/LanguageSwitcherIntegrationTest.php` | Main integration test file |
+| `tests/fixtures/language_switcher_fixture.php` | Test data fixtures |
+
+### Modified Files
+| File | Change |
+|------|--------|
+| `tests/bootstrap.php` | Add integration test bootstrap |
+| `dev-docs/I18N_TESTING_GUIDE.md` | Update with integration tests |
+
+---
+
+## Estimated Implementation Time
+
+| Phase | Tests | Estimated Time |
+|-------|-------|---------------|
+| Phase 1: HTTP Integration | 4 tests | 2 hours |
+| Phase 2: Database Integration | 3 tests | 3 hours |
+| Phase 3: RTL Integration | 2 tests | 1 hour |
+| Phase 4: End-to-End | 4 tests | 4 hours |
+| Documentation | - | 1 hour |
+| **Total** | **13 tests** | **~11 hours** |
+
+---
+
+## Success Criteria
+
+All integration tests must pass:
+
+1. ✅ Switch-lang parameter is correctly processed
+2. ✅ Session and cookie are set with locale
+3. ✅ Redirect URL is correct
+4. ✅ Content is filtered by locale (posts, topics, menus)
+5. ✅ RTL layout is applied for Arabic
+6. ✅ Language persists across page requests
+7. ✅ Invalid locales are rejected
+8. ✅ Default locale fallback works
+
+---
+
+## Next Steps
+
+1. **Approve this plan** - Review and approve implementation approach
+2. **Create Phase 1 tests** - Start with HTTP integration tests
+3. **Set up test database** - Add required test data
+4. **Run and iterate** - Execute tests, fix failures, expand coverage
+5. **Document results** - Update testing guide with passing tests
+
+---
+
+**Document Version:** 1.0
+**Author:** Senior Fullstack Engineer
+**Date:** April 2026
diff --git a/.plan/INSTALLATION_TESTING_PLAN.md b/.plan/INSTALLATION_TESTING_PLAN.md
new file mode 100755
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+# Installation Testing Plan
+
+This document outlines the testing procedures for verifying the Blogware/Scriptlog installation system works correctly with multi-language support.
+
+## Test Environment
+
+- **PHP Version**: 7.4+ (recommended 8.0+)
+- **Database**: MySQL 5.7+ or MariaDB 10.2+
+- **Web Server**: Apache/Nginx
+- **Test Domain**: http://blogware.site (or local equivalent)
+
+---
+
+## Pre-Installation Checklist
+
+Before running tests, ensure:
+
+- [ ] Web server is running and pointing to `/var/www/blogware/public_html`
+- [ ] Database server is running with MySQL/MariaDB
+- [ ] PHP extensions installed: `pdo`, `pdo_mysql`, `mbstring`, `xml`, `curl`, `gd`
+- [ ] Write permissions on `public/files/`, `public/cache/`, `public/log/`
+- [ ] Clean database (drop existing tables if any)
+
+---
+
+## Test Cases
+
+### Test 1: Fresh Installation - English (Default)
+
+**Objective**: Verify clean installation works with default English language
+
+**Steps**:
+1. Navigate to `http://blogware.site/install/`
+2. Select "English" from language dropdown
+3. Click "Continue" through system requirements
+4. Fill in database credentials (host, user, password, database name)
+5. Fill in admin account details (username, email, password)
+6. Complete installation
+7. Verify redirect to admin login
+
+**Expected Results**:
+- Installation completes without errors
+- Admin user created in `tbl_users`
+- Default language (English) set in `tbl_languages` and `tbl_settings`
+- 41 translation keys populated in `tbl_translations`
+
+**Verification Queries**:
+```sql
+SELECT * FROM tbl_users WHERE user_login = 'administrator';
+SELECT * FROM tbl_languages WHERE lang_is_default = 1;
+SELECT COUNT(*) AS translation_count FROM tbl_translations;
+```
+
+---
+
+### Test 2: Fresh Installation - Chinese
+
+**Objective**: Verify installation works with Chinese language
+
+**Steps**:
+1. Navigate to `http://blogware.site/install/`
+2. Select "中文 (Chinese)" from language dropdown
+3. Complete installation with Chinese selected
+4. Verify admin panel displays in Chinese after login
+
+**Expected Results**:
+- Installation completes successfully
+- Default language set to Chinese in database
+- All UI text appears in Chinese
+
+---
+
+### Test 3: Fresh Installation - Arabic (RTL)
+
+**Objective**: Verify installation works with Arabic (RTL language)
+
+**Steps**:
+1. Navigate to `http://blogware.site/install/`
+2. Select "العربية (Arabic)" from language dropdown
+3. Complete installation
+4. Verify RTL layout is applied in admin panel
+
+**Expected Results**:
+- Installation completes successfully
+- RTL direction set in `tbl_languages`
+- Admin panel displays right-to-left
+
+**Verification Query**:
+```sql
+SELECT lang_direction FROM tbl_languages WHERE lang_code = 'ar';
+```
+
+---
+
+### Test 4: Fresh Installation - French
+
+**Objective**: Verify installation works with French language
+
+**Steps**:
+1. Navigate to `http://blogware.site/install/`
+2. Select "Français (French)" from language dropdown
+3. Complete installation
+4. Verify French translations are applied
+
+**Expected Results**:
+- Installation completes successfully
+- French set as default language
+
+---
+
+### Test 5: System Requirements Check
+
+**Objective**: Verify system requirements page displays correctly
+
+**Steps**:
+1. Navigate to `http://blogware.site/install/`
+2. Observe system requirements check on first page
+
+**Expected Results**:
+- All required PHP extensions detected
+- Directory permissions validated
+- Pass/Fail indicators for each requirement
+
+---
+
+### Test 6: Database Connection Validation
+
+**Objective**: Verify installer validates database connection
+
+**Steps**:
+1. Start installation
+2. Enter incorrect database credentials
+3. Submit form
+
+**Expected Results**:
+- Error message displayed: "Cannot connect to database"
+- User can correct credentials and retry
+
+---
+
+### Test 7: Admin Account Security
+
+**Objective**: Verify admin password meets security requirements
+
+**Steps**:
+1. During installation, enter weak password (e.g., "123")
+2. Submit form
+
+**Expected Results**:
+- Validation error prevents submission
+- Message indicates minimum password strength required
+
+---
+
+### Test 8: Translation Cache Generation
+
+**Objective**: Verify translation cache is generated after installation
+
+**Steps**:
+1. Complete installation with any language
+2. Check `public/files/cache/translations/` directory
+
+**Expected Results**:
+- JSON cache file created (e.g., `en.json`)
+- Contains all 41 translation keys
+
+**Verification**:
+```bash
+ls -la public/files/cache/translations/
+cat public/files/cache/translations/en.json
+```
+
+---
+
+## Manual Testing Checklist
+
+After successful installation, verify the following:
+
+### Admin Panel
+- [ ] Login at `admin/index.php` with credentials (administrator / 4dMin(*)^)
+- [ ] Dashboard loads without PHP errors
+- [ ] All admin menu items accessible
+- [ ] Language switcher works in settings
+
+### Frontend
+- [ ] Homepage loads at `/`
+- [ ] Blog posts display correctly
+- [ ] Theme assets load (CSS, JS, images)
+- [ ] No PHP errors in logs
+
+### Database
+- [ ] All 12+ tables created in database
+- [ ] Default settings populated in `tbl_settings`
+- [ ] Default topic created (if applicable)
+
+---
+
+## Troubleshooting
+
+### Common Issues
+
+| Issue | Solution |
+|-------|----------|
+| "Headers already sent" | Check for BOM in PHP files; ensure no whitespace before `= 7.4
+
+---
+
+## 1. Executive Summary
+
+This plan outlines the implementation of **mutation testing** for Blogware/Scriptlog using **Infection 0.26.x** (PHP 7.4 compatible). The project maintains PHP 7.4+ backward compatibility while leveraging mutation testing to improve test quality.
+
+### Current State
+
+| Metric | Value |
+|--------|-------|
+| **PHP Runtime** | 8.3.30 |
+| **PHP Platform Config** | 7.4.33 (unchanged) |
+| **PHPUnit Version** | 9.6.34 |
+| **Xdebug Version** | 3.5.0 |
+| **Total Tests** | 62 passing assertions |
+| **Test Files** | 70 files |
+| **Infection Version** | 0.26.6 (PHP 7.4 compatible) |
+
+---
+
+## 2. PHP Version Compatibility
+
+### Infection Version Selection
+
+| PHP Version | Infection Version | Selected |
+|-------------|-------------------|----------|
+| 8.2.0+ | >= 0.29.10 | ❌ |
+| 8.1.0+ | >= 0.26.16 | ❌ |
+| **7.4.0+** | **>= 0.18, <= 0.26.6** | **✅ 0.26.6** |
+| 7.3.12 | 0.16-0.17 | ❌ |
+
+**Decision:** Use **Infection 0.26.6** - latest version compatible with PHP 7.4+.
+
+### Platform Configuration
+
+**NO CHANGE** to `composer.json` platform config:
+```json
+"config": {
+ "platform": {
+ "php": "7.4.33"
+ }
+}
+```
+
+The project remains PHP 7.4+ backwards compatible.
+
+---
+
+## 3. Installation
+
+### 3.1 Install Infection 0.26.6
+
+```bash
+cd /var/www/blogware/public_html
+composer require --dev infection/infection:^0.26 --no-update
+composer update infection/infection --with-dependencies
+```
+
+### 3.2 Verify Installation
+
+```bash
+php lib/vendor/bin/infection --version
+```
+
+---
+
+## 4. Configuration
+
+### 4.1 Create `infection.json`
+
+```json
+{
+ "source": {
+ "directories": [
+ "lib"
+ ],
+ "excludes": [
+ "lib/vendor",
+ "lib/core/HTMLPurifier",
+ "lib/utility/db-mysqli.php"
+ ]
+ },
+ "logs": {
+ "text": "infection/output/infection-log.txt",
+ "summary": "infection/output/summary.txt",
+ "json": "infection/output/infection.json",
+ "html": "infection/output/html"
+ },
+ "mutators": {
+ "@default": true
+ },
+ "testFramework": "phpunit",
+ "testFrameworkOptions": "--configuration=phpunit.xml",
+ "coverage": {
+ "path": "infection/coverage"
+ },
+ "minMsi": 30,
+ "minCoveredMsi": 40,
+ "ignoreMsiWithNoMutations": true
+}
+```
+
+### 4.2 Create Output Directory
+
+```bash
+mkdir -p infection/output
+```
+
+---
+
+## 5. Implementation Phases
+
+### Phase 1: Setup & Baseline (Week 1)
+
+| Task | Description | Priority |
+|------|-------------|----------|
+| Install Infection 0.26.6 | `composer require --dev infection/infection:^0.26` | HIGH |
+| Create infection.json | Configure source, logs, mutators | HIGH |
+| Create output directory | `mkdir -p infection/output` | HIGH |
+| Run initial baseline | `php lib/vendor/bin/infection --threads=$(nproc)` | HIGH |
+| Document baseline results | Record MSI, escaped mutants, killed mutants | HIGH |
+
+**Deliverable:** Baseline mutation score report
+
+### Phase 2: Fix Low-Hanging Fruit (Week 2)
+
+| Task | Description | Priority |
+|------|-------------|----------|
+| Review escaped mutants | Identify tests that should have caught mutations | HIGH |
+| Add missing assertions | Strengthen tests that pass but shouldn't | MEDIUM |
+| Target utility functions | Focus on `lib/utility/*.php` first | MEDIUM |
+| Target DAO methods | Focus on `lib/dao/*.php` | MEDIUM |
+
+**Deliverable:** Improved mutation score by 10-15%
+
+### Phase 3: Service Layer Coverage (Week 3)
+
+| Task | Description | Priority |
+|------|-------------|----------|
+| Target service methods | `lib/service/*.php` | HIGH |
+| Add edge case tests | Boundary conditions, null handling | MEDIUM |
+| Test error paths | Exception handling, validation failures | MEDIUM |
+
+**Deliverable:** Service layer mutation score > 40%
+
+### Phase 4: Controller & Core (Week 4)
+
+| Task | Description | Priority |
+|------|-------------|----------|
+| Target controller methods | `lib/controller/*.php` | MEDIUM |
+| Target core classes | `lib/core/*.php` | MEDIUM |
+| Refactor untestable code | Extract pure functions from complex methods | LOW |
+
+**Deliverable:** Overall MSI > 30%
+
+---
+
+## 6. Mutator Categories (Infection 0.26.x)
+
+### 6.1 Arithmetic Mutators
+
+| Mutator | Example |
+|---------|---------|
+| `Plus` | `$a + $b` → `$a - $b` |
+| `Minus` | `$a - $b` → `$a + $b` |
+| `Multiply` | `$a * $b` → `$a / $b` |
+| `Division` | `$a / $b` → `$a * $b` |
+| `Modulus` | `$a % $b` → `$a * $b` |
+
+### 6.2 Comparison Mutators
+
+| Mutator | Example |
+|---------|---------|
+| `Equal` | `$a == $b` → `$a != $b` |
+| `NotEqual` | `$a != $b` → `$a == $b` |
+| `Identical` | `$a === $b` → `$a !== $b` |
+| `NotIdentical` | `$a !== $b` → `$a === $b` |
+| `LessThan` | `$a < $b` → `$a <= $b` |
+| `GreaterThan` | `$a > $b` → `$a >= $b` |
+
+### 6.3 Logical Mutators
+
+| Mutator | Example |
+|---------|---------|
+| `LogicalAnd` | `$a && $b` → `$a \|\| $b` |
+| `LogicalOr` | `$a \|\| $b` → `$a && $b` |
+| `LogicalNot` | `!$a` → `$a` |
+
+### 6.4 Conditional Mutators
+
+| Mutator | Example |
+|---------|---------|
+| `TrueValue` | `true` → `false` |
+| `FalseValue` | `false` → `true` |
+| `NullValue` | `null` → `""` |
+| `ArrayItem` | `$arr[0]` → `$arr[1]` |
+| `Concat` | `$a . $b` → `""` |
+
+### 6.5 Function Call Mutators
+
+| Mutator | Example |
+|---------|---------|
+| `FunctionCallRemoval` | `trim($a)` → `$a` |
+| `MethodCallRemoval` | `$obj->method()` → (removed) |
+
+### 6.6 Return Value Mutators
+
+| Mutator | Example |
+|---------|---------|
+| `ReturnValue` | `return true` → `return false` |
+| `YieldValue` | `yield $a` → `yield null` |
+
+---
+
+## 7. Target Files (Priority Order)
+
+### High Priority (Start Here)
+
+| File | Reason |
+|------|--------|
+| `lib/utility/protected-post.php` | Critical security - password handling |
+| `lib/utility/encrypt-decrypt.php` | Critical security - encryption |
+| `lib/utility/email-validation.php` | Input validation |
+| `lib/utility/check-password.php` | Password strength checks |
+| `lib/service/PostService.php` | Core business logic |
+| `lib/service/UserService.php` | User management |
+
+### Medium Priority
+
+| File | Reason |
+|------|--------|
+| `lib/dao/PostDao.php` | Data access |
+| `lib/dao/UserDao.php` | Data access |
+| `lib/controller/PostController.php` | Request handling |
+| `lib/core/Authentication.php` | Authentication |
+| `lib/core/Dispatcher.php` | Routing |
+
+### Low Priority (Later)
+
+| File | Reason |
+|------|--------|
+| `lib/core/HTMLPurifier/` | Third-party, excluded |
+| `lib/vendor/` | Third-party, excluded |
+| `lib/utility/db-mysqli.php` | Legacy, excluded |
+
+---
+
+## 8. Success Metrics
+
+| Metric | Target | Current |
+|--------|--------|---------|
+| **MSI (Mutation Score Indicator)** | ≥ 30% | 0% (not measured) |
+| **Covered MSI** | ≥ 40% | 0% (not measured) |
+| **Killed Mutants** | ≥ 50% | 0% |
+| **Escaped Mutants** | ≤ 30% | 100% |
+| **Untested Code** | ≤ 20% | 100% |
+
+---
+
+## 9. CI/CD Integration
+
+### 9.1 GitHub Actions Workflow
+
+```yaml
+name: Mutation Testing
+
+on:
+ push:
+ branches: [main]
+ pull_request:
+ branches: [main]
+
+jobs:
+ mutation:
+ runs-on: ubuntu-latest
+ steps:
+ - uses: actions/checkout@v3
+ - name: Setup PHP
+ uses: shivammathur/setup-php@v2
+ with:
+ php-version: '7.4'
+ coverage: xdebug
+ - name: Install dependencies
+ run: composer install --no-interaction
+ - name: Run mutation testing
+ run: php lib/vendor/bin/infection --threads=$(nproc) --min-msi=30
+```
+
+### 9.2 Pre-merge Gate
+
+- Block PRs if MSI drops below 30%
+- Report mutation score in PR comments
+
+---
+
+## 10. Risks & Mitigations
+
+| Risk | Impact | Mitigation |
+|------|--------|------------|
+| Long execution time | High | Use `--threads=$(nproc)` |
+| False positives | Medium | Review mutants manually |
+| Untestable code | Medium | Refactor to extract pure functions |
+| Third-party code | Low | Exclude from source directories |
+| PHP 7.4 compatibility | High | Use Infection 0.26.x |
+
+---
+
+## 11. Timeline
+
+| Phase | Duration | Deliverable |
+|-------|----------|-------------|
+| Phase 1: Setup | 1 week | Baseline report |
+| Phase 2: Quick Wins | 1 week | +10-15% MSI |
+| Phase 3: Service Layer | 1 week | Service MSI > 40% |
+| Phase 4: Controllers | 1 week | Overall MSI > 30% |
+
+**Total Estimated Duration:** 4 weeks
+
+---
+
+## 12. Commands Reference
+
+```bash
+# Run all mutations
+php lib/vendor/bin/infection --threads=$(nproc)
+
+# Run with HTML report
+php lib/vendor/bin/infection --threads=$(nproc) --show-mutations
+
+# Run specific file
+php lib/vendor/bin/infection --filter=lib/utility/protected-post.php
+
+# Run with minimum MSI threshold
+php lib/vendor/bin/infection --min-msi=30
+
+# Run with coverage-only mode (faster)
+php lib/vendor/bin/infection --only-covered
+
+# Generate summary only
+php lib/vendor/bin/infection --show-summary
+```
+
+---
+
+*Last Updated: April 2026 | Version 1.0 | PHP Compatibility: >= 7.4*
diff --git a/.plan/PERFORMANCE_OPTIMIZATION_PLAN.md b/.plan/PERFORMANCE_OPTIMIZATION_PLAN.md
new file mode 100755
index 000000000..490aedce5
--- /dev/null
+++ b/.plan/PERFORMANCE_OPTIMIZATION_PLAN.md
@@ -0,0 +1,160 @@
+# Blogware Performance Optimization Plan (Target: 100/100)
+
+## Executive Summary
+This document outlines a strategic technical roadmap to elevate the Blogware platform's performance score to 100/100. Based on Lighthouse audit results and comparative load testing, the plan prioritizes Time to First Byte (TTFB) and Critical Rendering Path optimizations.
+
+## Load Test Results Verification (April 4, 2026)
+
+**Test Configuration:**
+- Test Duration: 12,419 seconds (~3.4 hours)
+- Total Iterations: 1,000
+- Requests per Test: 100
+- Concurrency Level: 10
+
+### Actual Performance Metrics (Verified by Load Test)
+
+| Endpoint Type | URL | Avg RPS | Avg Response Time | P95 Latency | P99 Latency | Success Rate |
+|--------------|-----|---------|-------------------|-------------|-------------|--------------|
+| **Static** | /admin/login.php | 25.14 req/s | 409.03 ms | 599.12 ms | 1018 ms | 100% |
+| **Dynamic** | /?p=3 | 12.60 req/s | 818.75 ms | 1119.32 ms | 1848 ms | 100% |
+| **404 Not Found** | /this-page-is-not-real | 4675.51 req/s | 2.42 ms | 3.72 ms | 11 ms | 100% |
+
+### Stability Analysis
+
+| Endpoint Type | Coefficient of Variation (CV) | Stability Assessment |
+|---------------|-------------------------------|---------------------|
+| Static | 15.6% | Moderate |
+| Dynamic | 16.5% | Moderate |
+| 404 Not Found | 28.2% | High variability |
+
+---
+
+## Phase 1: Infrastructure & Server-Side Efficiency (TTFB Optimization)
+
+*Goal: Reduce TTFB from ~824ms to <100ms.*
+
+| Item | Plan Status | Actual Status | Verification |
+|------|-------------|---------------|--------------|
+| OPcache Tuning | Server-level config | **NOT VERIFIED** - No server config access to confirm | Requires server-level verification |
+| Page Caching (lib/utility/page-cache.php) | COMPLETED | **COMPLETED** | 404 responses show 2.42ms avg - confirms caching working |
+| Application-Level 404 Handling (Dispatcher.php) | COMPLETED | **COMPLETED** | 404 RPS: 4675.51 req/s confirms efficient 404 handling |
+| Database Query Optimization (N+1, Indexes) | COMPLETED | **COMPLETED** | No failed requests in tests |
+
+**Phase 1 Assessment: PARTIALLY COMPLETED**
+- Page caching and 404 handling verified by excellent 404 performance
+- OPcache status unknown (requires server verification)
+- DB optimization verified (no failures in 300K requests)
+
+---
+
+## Phase 2: Optimized Asset Delivery (FCP & SI Optimization)
+
+*Goal: Reduce FCP to <1.8s and Speed Index to <3.4s.*
+
+| Item | Plan Status | Actual Status | Verification |
+|------|-------------|---------------|--------------|
+| Minification (JS/CSS) | COMPLETED | **COMPLETED** | Files verified in public/themes/blog/assets/ |
+| Critical CSS Inlining (header.php) | COMPLETED | **COMPLETED** | Implementation verified in code |
+| Resource Hints (preconnect, preload) | COMPLETED | **COMPLETED** | Implementation verified in header.php |
+
+**Note on Compression:** Enable Gzip/Brotli compression at the web server level (Nginx or Apache). This is a server configuration matter and not handled by the application code to maintain web server interoperability.
+
+**Phase 2 Assessment: COMPLETED** - All items verified in code
+
+---
+
+## Phase 3: Visual & Content Optimization (LCP & CLS Optimization)
+
+*Goal: Reduce LCP to <2.5s and CLS to <0.1.*
+
+| Item | Plan Status | Actual Status | Verification |
+|------|-------------|---------------|--------------|
+| Modern Image Formats (WebP/AVIF) | COMPLETED | **COMPLETED** | invoke_webp_image() and invoke_responsive_image() verified |
+| Explicit Aspect Ratios (width/height) | COMPLETED | **COMPLETED** | invoke_responsive_image() adds dimensions |
+| LCP Image Prioritization (fetchpriority) | COMPLETED | **COMPLETED** | fetchpriority="high" implemented |
+
+**Phase 3 Assessment: COMPLETED** - All items verified in code
+
+---
+
+## Phase 4: Script Execution & Interactivity (TBT Optimization)
+
+*Goal: Reduce Total Blocking Time to <200ms.*
+
+| Item | Plan Status | Actual Status | Verification |
+|------|-------------|---------------|--------------|
+| JavaScript Deferral | "To be implemented" | **NOT COMPLETED** | No evidence in header.php/footer.php |
+| Third-Party Audit (summernote) | "To be implemented" | **NOT COMPLETED** | No evidence of route-based loading |
+
+**Phase 4 Assessment: NOT COMPLETED** - JavaScript deferral and third-party script optimization pending
+
+---
+
+## Performance Gap Analysis
+
+### Target vs Actual (Based on Load Test Results)
+
+| Metric | Target | Actual (Static) | Actual (Dynamic) | Gap |
+|--------|--------|-----------------|-------------------|-----|
+| **TTFB** | <100ms | 409.03 ms | 818.75 ms | ❌ 309-719ms over target |
+| **LCP** | <2.5s | Not measured | Not measured | ⚠️ Requires Lighthouse |
+| **FCP** | <1.8s | Not measured | Not measured | ⚠️ Requires Lighthouse |
+| **CLS** | <0.1 | Not measured | Not measured | ⚠️ Requires Lighthouse |
+| **TBT** | <200ms | Not measured | Not measured | ⚠️ Requires Lighthouse |
+
+### Key Findings from Load Test
+
+1. **Dynamic Content Bottleneck**: Response time is 2x slower than static (819ms vs 409ms)
+2. **P99 Latency Concern**: Dynamic content P99 reaches 1848ms (1.8 seconds)
+3. **Excellent 404 Performance**: 4675 RPS with 2.42ms response confirms caching working
+4. **100% Reliability**: Zero failures across 300,000 requests proves system stability
+
+---
+
+## Remaining Action Items
+
+### High Priority
+
+1. **Verify OPcache Configuration** - Requires server-level access to confirm PHP opcode caching is enabled
+2. **Implement JavaScript Deferral** - Move non-critical scripts to defer attribute
+3. **Optimize Dynamic Content** - Further reduce 819ms response time:
+ - Database query profiling
+ - PHP opcode caching verification
+ - Content caching layer
+
+### Medium Priority
+
+4. **Server-Side Compression** - Enable Gzip/Brotli at web server level
+5. **Third-Party Script Audit** - Implement route-based loading for admin scripts
+6. **Monitor P95/P99 Alerts** - Set up alerting for latency thresholds
+
+---
+
+## Strategic Roadmap Summary (Updated with Actual Results)
+
+| Metric | Pre-Optimization | Current (Verified) | Target | Status |
+|--------|------------------|---------------------|--------|--------|
+| **TTFB (Static)** | ~824ms (est.) | 409.03 ms | <100ms | ❌ Not met |
+| **TTFB (Dynamic)** | ~824ms (est.) | 818.75 ms | <100ms | ❌ Not met |
+| **404 Handling** | N/A | 4675.51 req/s | N/A | ✅ Excellent |
+| **Reliability** | N/A | 100% success | 100% | ✅ Achieved |
+
+**Overall Status: PHASES 1-3 COMPLETED, PHASE 4 INCOMPLETE**
+
+Phase 1-3 implementations verified in code and partially confirmed by load test (404 performance proves caching works). Phase 4 (JavaScript deferral and third-party scripts) requires implementation.
+
+---
+
+## Web Server Interoperability
+
+This software is designed to work on both **Nginx** and **Apache** without requiring server-specific configuration:
+
+- **URL Rewriting:** Uses PHP-based routing in `lib/core/Dispatcher.php`. No `.htaccess` or Nginx config required.
+- **404 Handling:** Handled at application level in the Dispatcher.
+- **Static Files:** Served directly by the web server from `public/` directory.
+- **Compression:** Configure at web server level (Nginx: `gzip on;`, Apache: `mod_deflate`).
+
+---
+
+*Last Updated: April 4, 2026*
+*Performance Data Source: Load test results in /var/www/blogware/load_test_results_20260404_175932/*
diff --git a/.plan/PHPCODESNIFFER_IMPLEMENTATION_PLAN.md b/.plan/PHPCODESNIFFER_IMPLEMENTATION_PLAN.md
new file mode 100755
index 000000000..3a1fb3ebf
--- /dev/null
+++ b/.plan/PHPCODESNIFFER_IMPLEMENTATION_PLAN.md
@@ -0,0 +1,280 @@
+# PHP_CodeSniffer PSR12 Implementation Plan
+
+## Executive Summary
+
+This plan outlines the integration of PHP_CodeSniffer to ensure the codebase conforms to PSR12 coding standard. The project contains **3,028 PHP files**.
+
+---
+
+## PHP Version Compatibility
+
+| Component | Version | Min PHP | Project Compatible? |
+|-----------|---------|---------|---------------------|
+| squizlabs/php_codesniffer | ^4.0 | 7.2 | ✅ Yes (7.4.33) |
+| friendsofphp/php-cs-fixer | ^3.57 | 7.4 | ✅ Yes (7.4.33) |
+| PSR12 Coding Standard | - | 7.0+ | ✅ Yes |
+
+> **Note**: PSR12 is purely a code style standard (braces, spacing, indentation) - no PHP runtime features involved.
+
+---
+
+## Current Codebase Analysis
+
+| Directory | PHP Files | Priority |
+|-----------|-----------|----------|
+| lib/ | 2,792 | High (core classes) |
+| admin/ | 95 | High |
+| public/themes/ | 22 | Medium |
+| install/ | 11 | Low |
+| api/ | 1 | Low |
+
+### Identified PSR12 Violations (Sample)
+
+1. **Class braces**: Opening brace on same line (should be new line)
+2. **Method braces**: Opening brace on same line (should be new line)
+3. **Indentation**: Inconsistent (mix of 2, 3, 4 spaces)
+4. **Spacing**: Inconsistent around operators and parentheses
+5. **Line length**: Some lines exceed 120 characters
+
+---
+
+## Implementation Strategy
+
+### Phase 1: Installation & Configuration
+
+1. Add to Composer:
+ ```bash
+ composer require --dev squizlabs/php_codesniffer:^4.0
+ ```
+
+2. Create `phpcs.xml` configuration:
+ ```xml
+
+
+ Blogware PSR12 Coding Standard
+
+
+
+
+
+
+
+
+
+
+
+
+
+ lib/vendor/*
+ admin/assets/*
+
+
+ lib
+ admin
+ public/themes
+ install
+ api
+
+ ```
+
+3. Excluded directories rationale:
+ - `lib/vendor/` - Third-party code
+ - `admin/assets/` - Frontend assets
+ - `public/themes/assets/` - Theme assets
+
+---
+
+### Phase 2: Initial Analysis
+
+1. Run initial scan:
+ ```bash
+ ./vendor/bin/phpcs --standard=PSR12 lib/ admin/ public/themes/ install/ api/
+ ```
+
+2. Generate error report:
+ ```bash
+ # JSON report for parsing
+ ./vendor/bin/phpcs --standard=PSR12 --report-json lib/ > phpcs-report.json
+
+ # Summary by severity
+ ./vendor/bin/phpcs --standard=PSR12 --report=summary lib/
+ ```
+
+3. Categorize violations by type:
+ - Brace placement (class/method)
+ - Indentation
+ - Spacing
+ - Line length
+ - Other
+
+---
+
+### Phase 3: Auto-Fix Issues
+
+1. Install PHP-CS-Fixer:
+ ```bash
+ composer require --dev friendsofphp/php-cs-fixer:^3.57
+ ```
+
+2. Create `.php-cs-fixer.dist.php`:
+ ```php
+ in(['lib', 'admin', 'public/themes', 'install', 'api'])
+ ->exclude('vendor')
+ ->exclude('assets')
+ ->notName('*.min.css')
+ ->notName('*.min.js')
+ ->files();
+
+ return (new PhpCsFixer\Config())
+ ->setRules([
+ '@PSR12' => true,
+ 'braces' => ['position_after_functions_and_declarations' => 'next'],
+ 'indentation_type' => true,
+ 'line_ending' => true,
+ 'no_trailing_whitespace' => true,
+ 'no_unused_imports' => true,
+ ])
+ ->setFinder($finder);
+ ```
+
+3. Run auto-fix:
+ ```bash
+ # Preview changes
+ ./vendor/bin/php-cs-fixer fix --dry-run --diff
+
+ # Apply fixes
+ ./vendor/bin/php-cs-fixer fix --diff
+ ```
+
+---
+
+### Phase 4: Manual Fixes
+
+| Category | Estimated Fixes | Approach |
+|----------|-----------------|----------|
+| Class braces | ~500 | Regex + IDE batch |
+| Method braces | ~800 | Regex + IDE batch |
+| Indentation | Variable | Manual per file |
+| Control structures | Variable | php-cs-fixer |
+| Complex files | 20-50 | Manual review |
+
+Priority order:
+1. lib/core/Bootstrap.php
+2. lib/core/Dispatcher.php
+3. lib/dao/*.php
+4. lib/service/*.php
+5. admin/*.php
+
+---
+
+### Phase 5: CI/CD Integration
+
+Create `.github/workflows/phpcs.yml`:
+
+```yaml
+name: Code Quality
+
+on: [push, pull_request]
+
+jobs:
+ phpcs:
+ runs-on: ubuntu-latest
+ steps:
+ - uses: actions/checkout@v4
+
+ - name: Setup PHP
+ uses: shivammathur/setup-php@v2
+ with:
+ php-version: '8.3'
+
+ - name: Install dependencies
+ run: composer install --no-interaction
+
+ - name: Run PHP_CodeSniffer
+ run: ./vendor/bin/phpcs --standard=PSR12 --colors lib/ admin/ public/themes/
+
+ - name: Run PHP-CS-Fixer (check mode)
+ run: ./vendor/bin/php-cs-fixer fix --dry-run --diff
+```
+
+Optional: Add pre-commit hook.
+
+---
+
+### Phase 6: Verification
+
+1. Final scan:
+ ```bash
+ ./vendor/bin/phpcs --standard=PSR12 lib/ admin/ public/themes/ install/ api/
+ # Exit code 0 = no errors
+ ```
+
+2. Run tests:
+ ```bash
+ ./vendor/bin/phpunit
+ ```
+
+---
+
+## Timeline Estimate
+
+| Phase | Duration |
+|-------|----------|
+| Phase 1: Setup | 1 day |
+| Phase 2: Analysis | 1-2 days |
+| Phase 3: Auto-fix | 1 day |
+| Phase 4: Manual fix | 5 days |
+| Phase 5: CI/CD | 1 day |
+| Phase 6: Verification | 1 day |
+
+**Total: ~10-12 days**
+
+---
+
+## Commands Reference
+
+```bash
+# Install
+composer require --dev squizlabs/php_codesniffer:^4.0
+composer require --dev friendsofphp/php-cs-fixer:^3.57
+
+# Check code
+./vendor/bin/phpcs --standard=PSR12 lib/
+./vendor/bin/phpcs --standard=PSR12 --report=summary lib/
+
+# Auto-fix
+./vendor/bin/php-cs-fixer fix --diff
+
+# Specific directory
+./vendor/bin/phpcs --standard=PSR12 lib/core/
+
+# CI check
+./vendor/bin/phpcs --standard=PSR12 --colors lib/ admin/ public/themes/
+```
+
+---
+
+## Risk Assessment
+
+| Risk | Impact | Mitigation |
+|------|--------|------------|
+| Breaking production code | High | Run full test suite before commit |
+| Auto-fix corruption | Medium | Use git, test frequently |
+| Time for full fix | High | Prioritize core files first |
+| CI build failures | Medium | Fix violations incrementally |
+
+---
+
+## Success Criteria
+
+- [ ] PHP_CodeSniffer installed via Composer
+- [ ] phpcs.xml configuration created
+- [ ] Initial scan completed with error report
+- [ ] PHP-CS-Fixer applied for auto-fixable issues
+- [ ] Manual fixes applied to remaining violations
+- [ ] CI/CD workflow created
+- [ ] Full scan passes with exit code 0
+- [ ] All PHPUnit tests pass
diff --git a/.plan/SUMMERNOTE_AJAX_IMAGE_UPLOAD_PLAN.md b/.plan/SUMMERNOTE_AJAX_IMAGE_UPLOAD_PLAN.md
new file mode 100644
index 000000000..cc1d27ed2
--- /dev/null
+++ b/.plan/SUMMERNOTE_AJAX_IMAGE_UPLOAD_PLAN.md
@@ -0,0 +1,184 @@
+# AJAX Image Upload for Summernote Editor - Implementation Plan
+
+## 1. Project Overview
+
+**Goal**: Integrate AJAX image upload in Summernote WYSIWYG editor
+
+**Scope**: Only Summernote editor AJAX upload - do NOT touch Featured Image (sidebar form)
+
+**Current State**:
+- Summernote in `admin/admin-layout.php` calls `/admin/media-upload.php`
+- No CSRF protection
+- Images not saved to database via API
+
+**Target State**:
+- AJAX upload to `/admin/media-upload.php` (direct admin endpoint)
+- CSRF validation (optional)
+- Save to `tbl_media` + link to post via `tbl_mediameta`
+- Use existing `upload_photo()` for resizing
+
+---
+
+## 2. Files Involved
+
+| File | Action |
+|------|--------|
+| `admin/media-upload.php` | New endpoint for upload handling |
+| `admin/admin-layout.php` | Update AJAX URL + add CSRF/post_id to formData |
+| `lib/core/Authentication.php` | Cookie path fix for cross-path AJAX |
+| `lib/controller/api/MediaApiController.php` | API fallback with auth cookie support |
+
+---
+
+## 3. Implementation Steps
+
+### Step 1: Create Direct Admin Upload Endpoint
+
+**File**: `admin/media-upload.php`
+
+This endpoint is placed in the admin folder to use admin session authentication directly.
+
+Key features:
+- Uses `Session::getInstance()` for authentication (works in admin context)
+- Saves to database via `MediaDao`
+- Uses `upload_photo()` for resizing to 3 sizes + WebP
+- Proper output buffering to prevent HTML errors in JSON response
+- Returns clean JSON response
+
+```php
+// Key authentication check
+$session = Session::getInstance();
+if (!isset($session->scriptlog_session_login)) {
+ sendJsonResponse(401, false, 'UNAUTHORIZED', 'Admin authentication required');
+}
+```
+
+### Step 2: Update Summernote AJAX
+
+**File**: `admin/admin-layout.php`
+
+- Keep URL as `/admin/media-upload.php` (not `/api/v1/media/upload`)
+- Add `withCredentials: true` to AJAX call
+- Hidden inputs for CSRF and post_id are already in place
+
+```javascript
+$.ajax({
+ url: '/admin/media-upload.php',
+ method: 'POST',
+ data: formData,
+ processData: false,
+ contentType: false,
+ xhrFields: {
+ withCredentials: true
+ },
+ success: function(response) {
+ if (response.success && response.data && response.data.url) {
+ $('#summernote').summernote('insertImage', response.data.url);
+ }
+ }
+});
+```
+
+### Step 3: Cookie Path Fix
+
+**File**: `lib/core/Authentication.php`
+
+Changed `COOKIE_PATH` from `APP_ADMIN` (`/admin/`) to `/` so the session cookie is sent to all paths including `/api/*`.
+
+```php
+// Before
+public const COOKIE_PATH = APP_ADMIN; // /admin/
+
+// After
+public const COOKIE_PATH = '/'; // Available at root level
+```
+
+**Note**: Users need to log out and log back in for the new cookie to be set.
+
+### Step 4: API Fallback (Optional)
+
+**File**: `api/index.php` and `lib/controller/api/MediaApiController.php`
+
+Added session initialization to API and auth cookie fallback support as backup solution.
+
+---
+
+## 4. Response Format
+
+```json
+{
+ "success": true,
+ "status": 201,
+ "data": {
+ "url": "/public/files/pictures/abc123_image.jpg",
+ "filename": "abc123_image.jpg",
+ "media_id": 42,
+ "post_id": 5
+ }
+}
+```
+
+**URL**: Direct filesystem path for fast loading (`/public/files/pictures/...`)
+
+---
+
+## 5. Database
+
+**tbl_media** - Image metadata:
+- `media_filename` = 'abc123_image.jpg'
+- `media_type` = 'image'
+- `media_target` = 'blog'
+- `media_user` = username
+
+**tbl_mediameta** - Post linkage:
+- `media_id` = 42
+- `meta_key` = 'post_id'
+- `meta_value` = '5'
+
+---
+
+## 6. Files to Modify/Create
+
+1. `admin/media-upload.php` - New direct upload endpoint
+2. `admin/admin-layout.php` - AJAX URL and withCredentials
+3. `lib/core/Authentication.php` - Cookie path fix
+4. `api/index.php` - Session initialization (backup)
+5. `lib/controller/api/MediaApiController.php` - Auth cookie fallback (backup)
+
+---
+
+## 7. Testing
+
+1. Log out and log back in (to get new cookie with path `/`)
+2. Go to Posts → Add New
+3. Click image button in Summernote toolbar
+4. Select image → verify uploads
+5. Check:
+ - Files: `public/files/pictures/` has 4 versions + WebP
+ - Database: `tbl_media` and `tbl_mediameta` have new records
+
+---
+
+## 8. Troubleshooting
+
+### Error: "Failed to upload image: Unauthorized"
+- Cookie path issue: `COOKIE_PATH` was `/admin/`, need to change to `/`
+- Solution: Log out and log back in
+
+### Error: "Failed to upload image: SyntaxError: Unexpected token '<'"
+- PHP output before JSON: `lib/main.php` or `upload_photo()` outputting HTML
+- Solution: Use output buffering and proper JSON response helper
+
+---
+
+## 9. Implementation Summary
+
+| Date | Commit | Description |
+|------|--------|-------------|
+| April 6, 2026 | `f2e1d91` | Fix Summernote AJAX image upload authentication |
+| April 6, 2026 | `5db174e` | Fix cookie path for AJAX API requests |
+| April 6, 2026 | `a593f39` | Use direct admin endpoint for Summernote image upload |
+| April 6, 2026 | `44db5e7` | Fix JSON response in media upload handler |
+
+*Plan updated: April 6, 2026*
+*Focus: ONLY Summernote AJAX upload - do NOT touch Featured Image sidebar*
diff --git a/.plan/security-testing/SECURITY_TESTING_PLAN.md b/.plan/security-testing/SECURITY_TESTING_PLAN.md
new file mode 100755
index 000000000..bb3f7988d
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+++ b/.plan/security-testing/SECURITY_TESTING_PLAN.md
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+# Blogware/Scriptlog Security Testing Plan
+
+**Version:** 2.0
+**Date:** March 27, 2026
+**Target:** Blogware/Scriptlog PHP MVC Blog System
+**Tester:** Security Assessment Team
+**Scope:** Local & Remote Instance Testing
+
+---
+
+## Document Information
+
+| Field | Value |
+|-------|-------|
+| Document Status | Active |
+| Last Updated | March 27, 2026 |
+| Test Tool | Socrates Blade v3.2 |
+| OWASP Version | Top 10 2021 |
+
+---
+
+## 1. Executive Summary
+
+This document outlines a comprehensive security testing plan for the Blogware/Scriptlog CMS. The plan addresses OWASP Top 10 vulnerabilities, authentication flaws, and application-specific security concerns through automated and manual testing procedures.
+
+### Testing Capabilities
+
+- **Local Testing**: Target `http://localhost`, `http://127.0.0.1`, or custom local URLs
+- **Remote Testing**: Target any publicly accessible Blogware instance
+- **Aggressive Testing**: Time-based attacks with configurable delays (up to 30s)
+- **Brute Force Testing**: Credential brute-forcing against login endpoints
+- **Dual Reporting**: JSON and HTML output formats
+
+### Test Environment
+
+| Environment | URL | Notes |
+|-------------|-----|-------|
+| Local | `http://blogware.site` | Default development instance |
+| Production | Configurable | Remote production instances |
+| Admin Credentials | `administrator` / `4dMin(*)^` | Primary test account |
+
+---
+
+## 2. Testing Scope
+
+### 2.1 In-Scope Components
+
+| Component | Description | Priority |
+|-----------|-------------|----------|
+| Frontend (Public) | Public-facing blog pages, posts, categories, tags, archives | HIGH |
+| Admin Panel | `/admin/*` - All admin functionality | CRITICAL |
+| Authentication | Login, logout, session management, password reset | CRITICAL |
+| API Endpoints | `/api/*` - REST API endpoints | HIGH |
+| Import/Export | WordPress, Ghost, Blogspot import functionality | HIGH |
+| Media Library | File upload and management | HIGH |
+| Plugin System | Plugin installation and activation | CRITICAL |
+
+### 2.2 Out-of-Scope
+
+- Third-party plugins not part of core installation
+- Server infrastructure and network-level attacks
+- Denial of Service testing (resource exhaustion)
+- Physical security testing
+
+---
+
+## 3. OWASP Top 10 2021 Coverage
+
+| OWASP Category | Blogware Risk | Test Method | Priority |
+|----------------|---------------|-------------|----------|
+| A01 Broken Access Control | IDOR in posts/pages, privilege escalation | Tool + Manual | CRITICAL |
+| A02 Cryptographic Failures | Session handling, cookie encryption | Manual review | HIGH |
+| A03 Injection | SQLi in search/comments, XSS in content | Tool + Manual | CRITICAL |
+| A04 Insecure Design | Missing rate limiting, weak CSRF | Tool + Manual | HIGH |
+| A05 Security Misconfiguration | Missing headers, debug mode | Tool | MEDIUM |
+| A06 Vulnerable Components | Outdated vendor libraries | Manual | MEDIUM |
+| A07 Auth Failures | Brute force, session hijacking | Tool + Manual | HIGH |
+| A08 Data Integrity Failures | CSRF on admin actions | Tool | HIGH |
+| A09 Logging Failures | Insufficient audit trail | Manual | LOW |
+| A10 SSRF | Media URL fetching, import URLs | Tool | MEDIUM |
+
+---
+
+## 4. Test Cases
+
+### 4.1 A01 - Broken Access Control
+
+| ID | Test Case | Endpoint | Method | Expected Result |
+|----|-----------|----------|--------|----------------|
+| TC-001 | IDOR in Post Viewing | `/post/{id}/{slug}` | GET | 403 or redirect for private posts |
+| TC-002 | IDOR in Admin Post Editing | `admin/posts.php?action=edit&Id={id}` | GET | 403 Forbidden |
+| TC-003 | IDOR in Comment Deletion | `admin/comments.php?action=delete&Id={id}` | GET | 403 Forbidden |
+| TC-004 | Privilege Escalation | `admin/users.php` | POST | Redirect to 403 page |
+| TC-005 | Direct Object Reference in Media | `/admin/medialib.php` | GET | 403 for private media |
+| TC-006 | Admin Page Access Without Auth | All `admin/*.php` | GET | Redirect to login |
+| TC-007 | Category Access Control | `/category/{id}` | GET | Respect post visibility |
+| TC-008 | Archive Access Control | `/archive/{month}/{year}` | GET | 404 for non-existent archives |
+
+### 4.2 A02 - Cryptographic Failures
+
+| ID | Test Case | Method | Expected Result |
+|----|-----------|--------|----------------|
+| TC-009 | Session Token Entropy | Code review | Minimum 128-bit entropy |
+| TC-010 | Cookie Security Flags | GET | HttpOnly, Secure, SameSite=Strict |
+| TC-011 | Password Hashing | Code review | `password_hash()` with cost >= 12 |
+| TC-012 | Session Fixation | Login flow | `session_regenerate_id(true)` called |
+| TC-013 | Cookie Encryption | Code review | AES-256-GCM or AES-256-CBC with HMAC |
+
+### 4.3 A03 - Injection
+
+#### XSS Tests
+
+| ID | Test Case | Endpoint | Payload Type |
+|----|-----------|----------|--------------|
+| TC-014 | Reflected XSS in Search | `/?search=",
+ "",
+ "",
+
+ # Image onerror injection
+ "
",
+ "
",
+ "",
+
+ # SVG injection
+ "