start working on the frontend side

backend/internal/common/database/migrations/003_performance_indexes.sql

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+-- AtlasOS - Calypso
+-- Performance Optimization: Database Indexes
+-- Version: 3.0
+-- Description: Adds indexes for frequently queried columns to improve query performance
+
+-- ============================================================================
+-- Authentication & Authorization Indexes
+-- ============================================================================
+
+-- Users table indexes
+-- Username is frequently queried during login
+CREATE INDEX IF NOT EXISTS idx_users_username ON users(username);
+-- Email lookups
+CREATE INDEX IF NOT EXISTS idx_users_email ON users(email);
+-- Active user lookups
+CREATE INDEX IF NOT EXISTS idx_users_is_active ON users(is_active) WHERE is_active = true;
+
+-- Sessions table indexes
+-- Token hash lookups are very frequent (every authenticated request)
+CREATE INDEX IF NOT EXISTS idx_sessions_token_hash ON sessions(token_hash);
+-- User session lookups
+CREATE INDEX IF NOT EXISTS idx_sessions_user_id ON sessions(user_id);
+-- Expired session cleanup (index on expires_at for efficient cleanup queries)
+CREATE INDEX IF NOT EXISTS idx_sessions_expires_at ON sessions(expires_at);
+
+-- User roles junction table
+-- Lookup roles for a user (frequent during permission checks)
+CREATE INDEX IF NOT EXISTS idx_user_roles_user_id ON user_roles(user_id);
+-- Lookup users with a role
+CREATE INDEX IF NOT EXISTS idx_user_roles_role_id ON user_roles(role_id);
+
+-- Role permissions junction table
+-- Lookup permissions for a role
+CREATE INDEX IF NOT EXISTS idx_role_permissions_role_id ON role_permissions(role_id);
+-- Lookup roles with a permission
+CREATE INDEX IF NOT EXISTS idx_role_permissions_permission_id ON role_permissions(permission_id);
+
+-- ============================================================================
+-- Audit & Monitoring Indexes
+-- ============================================================================
+
+-- Audit log indexes
+-- Time-based queries (most common audit log access pattern)
+CREATE INDEX IF NOT EXISTS idx_audit_log_created_at ON audit_log(created_at DESC);
+-- User activity queries
+CREATE INDEX IF NOT EXISTS idx_audit_log_user_id ON audit_log(user_id);
+-- Resource-based queries
+CREATE INDEX IF NOT EXISTS idx_audit_log_resource ON audit_log(resource_type, resource_id);
+
+-- Alerts table indexes
+-- Time-based ordering (default ordering in ListAlerts)
+CREATE INDEX IF NOT EXISTS idx_alerts_created_at ON alerts(created_at DESC);
+-- Severity filtering
+CREATE INDEX IF NOT EXISTS idx_alerts_severity ON alerts(severity);
+-- Source filtering
+CREATE INDEX IF NOT EXISTS idx_alerts_source ON alerts(source);
+-- Acknowledgment status
+CREATE INDEX IF NOT EXISTS idx_alerts_acknowledged ON alerts(is_acknowledged) WHERE is_acknowledged = false;
+-- Resource-based queries
+CREATE INDEX IF NOT EXISTS idx_alerts_resource ON alerts(resource_type, resource_id);
+-- Composite index for common filter combinations
+CREATE INDEX IF NOT EXISTS idx_alerts_severity_acknowledged ON alerts(severity, is_acknowledged, created_at DESC);
+
+-- ============================================================================
+-- Task Management Indexes
+-- ============================================================================
+
+-- Tasks table indexes
+-- Status filtering (very common in task queries)
+CREATE INDEX IF NOT EXISTS idx_tasks_status ON tasks(status);
+-- Created by user
+CREATE INDEX IF NOT EXISTS idx_tasks_created_by ON tasks(created_by);
+-- Time-based queries
+CREATE INDEX IF NOT EXISTS idx_tasks_created_at ON tasks(created_at DESC);
+-- Status + time composite (common query pattern)
+CREATE INDEX IF NOT EXISTS idx_tasks_status_created_at ON tasks(status, created_at DESC);
+-- Failed tasks lookup (for alerting)
+CREATE INDEX IF NOT EXISTS idx_tasks_failed_recent ON tasks(status, created_at DESC) WHERE status = 'failed';
+
+-- ============================================================================
+-- Storage Indexes
+-- ============================================================================
+
+-- Disk repositories indexes
+-- Active repository lookups
+CREATE INDEX IF NOT EXISTS idx_disk_repositories_is_active ON disk_repositories(is_active) WHERE is_active = true;
+-- Name lookups
+CREATE INDEX IF NOT EXISTS idx_disk_repositories_name ON disk_repositories(name);
+-- Volume group lookups
+CREATE INDEX IF NOT EXISTS idx_disk_repositories_vg ON disk_repositories(volume_group);
+
+-- Physical disks indexes
+-- Device path lookups (for sync operations)
+CREATE INDEX IF NOT EXISTS idx_physical_disks_device_path ON physical_disks(device_path);
+
+-- ============================================================================
+-- SCST Indexes
+-- ============================================================================
+
+-- SCST targets indexes
+-- IQN lookups (frequent during target operations)
+CREATE INDEX IF NOT EXISTS idx_scst_targets_iqn ON scst_targets(iqn);
+-- Active target lookups
+CREATE INDEX IF NOT EXISTS idx_scst_targets_is_active ON scst_targets(is_active) WHERE is_active = true;
+
+-- SCST LUNs indexes
+-- Target + LUN lookups (very frequent)
+CREATE INDEX IF NOT EXISTS idx_scst_luns_target_lun ON scst_luns(target_id, lun_number);
+-- Device path lookups
+CREATE INDEX IF NOT EXISTS idx_scst_luns_device_path ON scst_luns(device_path);
+
+-- SCST initiator groups indexes
+-- Target + group name lookups
+CREATE INDEX IF NOT EXISTS idx_scst_initiator_groups_target ON scst_initiator_groups(target_id);
+-- Group name lookups
+CREATE INDEX IF NOT EXISTS idx_scst_initiator_groups_name ON scst_initiator_groups(group_name);
+
+-- SCST initiators indexes
+-- Group + IQN lookups
+CREATE INDEX IF NOT EXISTS idx_scst_initiators_group_iqn ON scst_initiators(group_id, iqn);
+-- Active initiator lookups
+CREATE INDEX IF NOT EXISTS idx_scst_initiators_is_active ON scst_initiators(is_active) WHERE is_active = true;
+
+-- ============================================================================
+-- Tape Library Indexes
+-- ============================================================================
+
+-- Physical tape libraries indexes
+-- Serial number lookups (for discovery)
+CREATE INDEX IF NOT EXISTS idx_physical_tape_libraries_serial ON physical_tape_libraries(serial_number);
+-- Active library lookups
+CREATE INDEX IF NOT EXISTS idx_physical_tape_libraries_is_active ON physical_tape_libraries(is_active) WHERE is_active = true;
+
+-- Physical tape drives indexes
+-- Library + drive number lookups (very frequent)
+CREATE INDEX IF NOT EXISTS idx_physical_tape_drives_library_drive ON physical_tape_drives(library_id, drive_number);
+-- Status filtering
+CREATE INDEX IF NOT EXISTS idx_physical_tape_drives_status ON physical_tape_drives(status);
+
+-- Physical tape slots indexes
+-- Library + slot number lookups
+CREATE INDEX IF NOT EXISTS idx_physical_tape_slots_library_slot ON physical_tape_slots(library_id, slot_number);
+-- Barcode lookups
+CREATE INDEX IF NOT EXISTS idx_physical_tape_slots_barcode ON physical_tape_slots(barcode) WHERE barcode IS NOT NULL;
+
+-- Virtual tape libraries indexes
+-- MHVTL library ID lookups
+CREATE INDEX IF NOT EXISTS idx_virtual_tape_libraries_mhvtl_id ON virtual_tape_libraries(mhvtl_library_id);
+-- Active library lookups
+CREATE INDEX IF NOT EXISTS idx_virtual_tape_libraries_is_active ON virtual_tape_libraries(is_active) WHERE is_active = true;
+
+-- Virtual tape drives indexes
+-- Library + drive number lookups (very frequent)
+CREATE INDEX IF NOT EXISTS idx_virtual_tape_drives_library_drive ON virtual_tape_drives(library_id, drive_number);
+-- Status filtering
+CREATE INDEX IF NOT EXISTS idx_virtual_tape_drives_status ON virtual_tape_drives(status);
+-- Current tape lookups
+CREATE INDEX IF NOT EXISTS idx_virtual_tape_drives_current_tape ON virtual_tape_drives(current_tape_id) WHERE current_tape_id IS NOT NULL;
+
+-- Virtual tapes indexes
+-- Library + slot number lookups
+CREATE INDEX IF NOT EXISTS idx_virtual_tapes_library_slot ON virtual_tapes(library_id, slot_number);
+-- Barcode lookups
+CREATE INDEX IF NOT EXISTS idx_virtual_tapes_barcode ON virtual_tapes(barcode) WHERE barcode IS NOT NULL;
+-- Status filtering
+CREATE INDEX IF NOT EXISTS idx_virtual_tapes_status ON virtual_tapes(status);
+
+-- ============================================================================
+-- Statistics Update
+-- ============================================================================
+
+-- Update table statistics for query planner
+ANALYZE;
+