feat: config loading and sqlite schema

server/test/db.test.ts

@@ -0,0 +1,37 @@
+import { describe, it, expect } from 'vitest'
+import { openDatabase } from '../src/db.js'
+
+describe('openDatabase', () => {
+  it('creates the full schema', () => {
+    const db = openDatabase(':memory:')
+    const tables = (
+      db.prepare("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name").all() as {
+        name: string
+      }[]
+    ).map((r) => r.name)
+    for (const t of [
+      'users',
+      'sessions',
+      'settings',
+      'collection_items',
+      'digital_albums',
+      'match_links',
+      'app_meta',
+    ]) {
+      expect(tables).toContain(t)
+    }
+  })
+
+  it('enforces unique (user_id, discogs_release_id)', () => {
+    const db = openDatabase(':memory:')
+    db.prepare(
+      "INSERT INTO users (username, password_hash, is_admin) VALUES ('sam', 'x', 1)"
+    ).run()
+    const insert = db.prepare(
+      `INSERT INTO collection_items (user_id, discogs_release_id, title, artist)
+       VALUES (1, 100, 'Album', 'Artist')`
+    )
+    insert.run()
+    expect(() => insert.run()).toThrow()
+  })
+})