diff --git a/database/migrations/000_initial_schema_v1.1.0.sql b/database/migrations/000_initial_schema_v1.1.0.sql
index a08eb76..4903a2c 100644
--- a/database/migrations/000_initial_schema_v1.1.0.sql
+++ b/database/migrations/000_initial_schema_v1.1.0.sql
@@ -89,6 +89,10 @@ CREATE TABLE IF NOT EXISTS users (
     email_verified BOOLEAN DEFAULT FALSE,
     email_verification_token VARCHAR(255) NULL,
     email_verification_sent_at TIMESTAMP NULL,
+    two_factor_enabled BOOLEAN DEFAULT FALSE,
+    two_factor_secret VARCHAR(32) NULL,
+    two_factor_backup_codes TEXT NULL,
+    two_factor_setup_at TIMESTAMP NULL,
     full_name VARCHAR(255),
     role VARCHAR(50) DEFAULT 'user',
     is_active BOOLEAN DEFAULT TRUE,
@@ -156,6 +160,34 @@ CREATE TABLE IF NOT EXISTS remember_tokens (
     INDEX idx_expires_at (expires_at)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
 
+-- Two-factor authentication verification attempts table
+CREATE TABLE IF NOT EXISTS two_factor_verification_attempts (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    user_id INT NOT NULL,
+    ip_address VARCHAR(45) NOT NULL,
+    success BOOLEAN DEFAULT FALSE,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
+    INDEX idx_user_id (user_id),
+    INDEX idx_ip_address (ip_address),
+    INDEX idx_created_at (created_at)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+-- Two-factor authentication email codes table
+CREATE TABLE IF NOT EXISTS two_factor_email_codes (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    user_id INT NOT NULL,
+    code VARCHAR(6) NOT NULL,
+    expires_at TIMESTAMP NOT NULL,
+    used BOOLEAN DEFAULT FALSE,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
+    INDEX idx_user_id (user_id),
+    INDEX idx_code (code),
+    INDEX idx_expires_at (expires_at),
+    INDEX idx_used (used)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
 -- User notifications table (in-app notifications)
 CREATE TABLE IF NOT EXISTS user_notifications (
     id INT AUTO_INCREMENT PRIMARY KEY,
@@ -175,6 +207,55 @@ CREATE TABLE IF NOT EXISTS user_notifications (
     INDEX idx_type (type)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
 
+-- Error logs table for debugging and error tracking
+CREATE TABLE IF NOT EXISTS error_logs (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    error_id VARCHAR(32) UNIQUE NOT NULL COMMENT 'Unique reference ID for user reporting',
+    error_type VARCHAR(100) NOT NULL COMMENT 'Exception class name',
+    error_message TEXT NOT NULL COMMENT 'Error message',
+    error_file VARCHAR(500) NOT NULL COMMENT 'File where error occurred',
+    error_line INT NOT NULL COMMENT 'Line number where error occurred',
+    stack_trace TEXT COMMENT 'Full stack trace',
+    
+    -- Request context
+    request_method VARCHAR(10) COMMENT 'HTTP method (GET, POST, etc)',
+    request_uri VARCHAR(500) COMMENT 'Request URI',
+    request_data TEXT COMMENT 'JSON encoded POST/GET data (sanitized)',
+    
+    -- User context
+    user_id INT NULL COMMENT 'User who encountered the error',
+    user_agent TEXT COMMENT 'Browser user agent string',
+    ip_address VARCHAR(45) COMMENT 'IP address (IPv4 or IPv6)',
+    session_data TEXT COMMENT 'Session data (sanitized, no passwords)',
+    
+    -- System context
+    php_version VARCHAR(20) COMMENT 'PHP version at time of error',
+    memory_usage BIGINT COMMENT 'Memory usage in bytes',
+    
+    -- Tracking
+    occurred_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT 'First occurrence timestamp',
+    occurrences INT DEFAULT 1 COMMENT 'Number of times this error occurred',
+    last_occurred_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 'Last occurrence timestamp',
+    
+    -- Management
+    is_resolved BOOLEAN DEFAULT FALSE COMMENT 'Admin marked as resolved',
+    resolved_at TIMESTAMP NULL COMMENT 'When marked as resolved',
+    resolved_by INT NULL COMMENT 'Admin user who resolved it',
+    notes TEXT COMMENT 'Admin notes about resolution',
+    
+    -- Foreign keys
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE SET NULL,
+    FOREIGN KEY (resolved_by) REFERENCES users(id) ON DELETE SET NULL,
+    
+    -- Indexes for performance
+    KEY idx_error_id (error_id),
+    KEY idx_error_type (error_type),
+    KEY idx_occurred_at (occurred_at),
+    KEY idx_user_id (user_id),
+    KEY idx_is_resolved (is_resolved),
+    KEY idx_occurrences (occurrences)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
 -- =====================================================
 -- TLD REGISTRY SYSTEM
 -- =====================================================
@@ -264,6 +345,11 @@ INSERT INTO settings (setting_key, setting_value, `type`, `description`) VALUES
 ('captcha_secret_key', '', 'encrypted', 'CAPTCHA secret key (encrypted)'),
 ('recaptcha_v3_score_threshold', '0.5', 'string', 'reCAPTCHA v3 minimum score threshold (0.0 to 1.0)'),
 
+-- Two-factor authentication settings
+('two_factor_policy', 'optional', 'string', '2FA policy: disabled, optional, or required'),
+('two_factor_rate_limit_minutes', '15', 'string', 'Rate limit for 2FA attempts in minutes'),
+('two_factor_email_code_expiry_minutes', '10', 'string', 'Email code expiry time in minutes'),
+
 -- User isolation settings
 ('user_isolation_mode', 'shared', 'string', 'User data visibility mode: shared (all users see all data) or isolated (users see only their own data)')