diff --git a/src/lib/storage.test.ts b/src/lib/storage.test.ts
new file mode 100644
index 0000000..21177e3
--- /dev/null
+++ b/src/lib/storage.test.ts
@@ -0,0 +1,38 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest'
+
+const uploadMock = vi.fn()
+const getPublicUrlMock = vi.fn()
+const fromMock = vi.fn(() => ({ upload: uploadMock, getPublicUrl: getPublicUrlMock }))
+
+vi.mock('./supabase', () => ({
+  supabase: { storage: { from: (...args: unknown[]) => fromMock(...args) } },
+}))
+
+import { uploadSalonImage } from './storage'
+
+describe('uploadSalonImage', () => {
+  beforeEach(() => {
+    uploadMock.mockReset()
+    getPublicUrlMock.mockReset()
+    fromMock.mockClear()
+  })
+
+  it('uploads to the salon-images bucket and returns the public URL', async () => {
+    uploadMock.mockResolvedValue({ error: null })
+    getPublicUrlMock.mockReturnValue({ data: { publicUrl: 'https://example.supabase.co/storage/v1/object/public/salon-images/products/edge-control.jpg' } })
+
+    const file = new File(['fake'], 'edge-control.jpg', { type: 'image/jpeg' })
+    const url = await uploadSalonImage(file, 'products/edge-control.jpg')
+
+    expect(fromMock).toHaveBeenCalledWith('salon-images')
+    expect(uploadMock).toHaveBeenCalledWith('products/edge-control.jpg', file, { upsert: true })
+    expect(url).toBe('https://example.supabase.co/storage/v1/object/public/salon-images/products/edge-control.jpg')
+  })
+
+  it('throws when the upload fails', async () => {
+    uploadMock.mockResolvedValue({ error: { message: 'Storage error' } })
+    const file = new File(['fake'], 'bad.jpg', { type: 'image/jpeg' })
+
+    await expect(uploadSalonImage(file, 'products/bad.jpg')).rejects.toEqual({ message: 'Storage error' })
+  })
+})
diff --git a/src/lib/storage.ts b/src/lib/storage.ts
new file mode 100644
index 0000000..7940302
--- /dev/null
+++ b/src/lib/storage.ts
@@ -0,0 +1,8 @@
+import { supabase } from './supabase'
+
+export async function uploadSalonImage(file: File, path: string): Promise<string> {
+  const { error } = await supabase.storage.from('salon-images').upload(path, file, { upsert: true })
+  if (error) throw error
+  const { data } = supabase.storage.from('salon-images').getPublicUrl(path)
+  return data.publicUrl
+}