script

backend/migrations/001_add_ram_stats_and_smart.sql

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+-- Migration 001: Add RAM statistics and SMART data table
+-- Date: 2025-12-07
+-- Description: Adds used_mb, free_mb, shared_mb to hardware_snapshots and creates disk_smart_data table
+
+-- Add new RAM columns to hardware_snapshots
+ALTER TABLE hardware_snapshots ADD COLUMN ram_used_mb INTEGER;
+ALTER TABLE hardware_snapshots ADD COLUMN ram_free_mb INTEGER;
+ALTER TABLE hardware_snapshots ADD COLUMN ram_shared_mb INTEGER;
+
+-- Create disk_smart_data table
+CREATE TABLE IF NOT EXISTS disk_smart_data (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    hardware_snapshot_id INTEGER NOT NULL,
+    captured_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    -- Disk identification
+    device_name VARCHAR(50) NOT NULL,
+    model VARCHAR(255),
+    serial_number VARCHAR(100),
+    size_gb REAL,
+    disk_type VARCHAR(20),  -- 'ssd' or 'hdd'
+    interface VARCHAR(50),  -- 'sata', 'nvme', 'usb'
+
+    -- SMART Health Status
+    health_status VARCHAR(20),  -- 'PASSED', 'FAILED', or NULL
+    temperature_celsius INTEGER,
+
+    -- Aging indicators
+    power_on_hours INTEGER,
+    power_cycle_count INTEGER,
+    reallocated_sectors INTEGER,  -- Critical: bad sectors
+    pending_sectors INTEGER,  -- Very critical: imminent failure
+    udma_crc_errors INTEGER,  -- Cable/interface issues
+
+    -- SSD-specific
+    wear_leveling_count INTEGER,  -- 0-100 (higher is better)
+    total_lbas_written REAL,  -- Total data written
+
+    FOREIGN KEY (hardware_snapshot_id) REFERENCES hardware_snapshots(id) ON DELETE CASCADE
+);
+
+CREATE INDEX IF NOT EXISTS idx_disk_smart_hardware_snapshot ON disk_smart_data(hardware_snapshot_id);
+CREATE INDEX IF NOT EXISTS idx_disk_smart_device ON disk_smart_data(device_name);

backend/migrations/002_add_network_results.sql

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+-- Migration 002: Add network_results_json column to benchmarks table
+-- Date: 2025-12-07
+
+ALTER TABLE benchmarks ADD COLUMN network_results_json TEXT;