feat: add thumbnail timeout and low-memory warning

server/utils/system-resources.test.ts

@@ -0,0 +1,24 @@
+import { describe, expect, it } from 'vitest'
+import {
+  detectSystemMemory,
+  isLowMemory,
+  LOW_MEMORY_THRESHOLD_BYTES
+} from './system-resources'
+
+describe('system resource detection', () => {
+  it('treats machines below 2 GB as low memory', () => {
+    expect(isLowMemory(1024 * 1024 * 1024)).toBe(true)
+    expect(isLowMemory(LOW_MEMORY_THRESHOLD_BYTES - 1)).toBe(true)
+  })
+
+  it('does not flag machines at or above 2 GB', () => {
+    expect(isLowMemory(LOW_MEMORY_THRESHOLD_BYTES)).toBe(false)
+    expect(isLowMemory(4 * 1024 * 1024 * 1024)).toBe(false)
+  })
+
+  it('returns usable current memory information', () => {
+    const memory = detectSystemMemory()
+    expect(memory.totalBytes).toBeGreaterThan(0)
+    expect(memory.thresholdBytes).toBe(LOW_MEMORY_THRESHOLD_BYTES)
+  })
+})