Add error log management and bulk admin actions

Introduces error log tracking with new ErrorLog model, controller, views, and migration. Adds admin UI for viewing, resolving, and deleting errors. Implements bulk actions for users and notification groups, refactors domain filtering/pagination, and centralizes admin access checks using Auth::requireAdmin().

database/migrations/015_create_error_logs_table.sql

@@ -0,0 +1,51 @@
+-- Create error logs table for debugging and error tracking
+-- This table stores all application errors for analysis and troubleshooting
+
+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;
+

database/migrations/README.md

@@ -26,6 +26,7 @@ If upgrading from v1.0.0, these incremental migrations will be applied:
 - `012_link_remember_tokens_to_sessions.sql` - Remember token session linking
 - `013_create_user_notifications_table.sql` - User notifications table
 - `014_add_captcha_settings.sql` - CAPTCHA settings (v2, v3, Turnstile)
+- `015_create_error_logs_table.sql` - Error logging and debugging system
 
 **Upgrade via:** Web updater at `/install/update`