chore: bootstrap development environment

src/routes/api/health/+server.ts

@@ -0,0 +1,29 @@
+import { json } from '@sveltejs/kit';
+import { checkDatabase } from '$lib/server/db/client';
+
+export function GET() {
+  const checkedAt = new Date().toISOString();
+
+  try {
+    checkDatabase();
+
+    return json({
+      ok: true,
+      service: 'holodream-tools',
+      database: 'ok',
+      checkedAt
+    });
+  } catch (error) {
+    console.error('Health check failed', error);
+
+    return json(
+      {
+        ok: false,
+        service: 'holodream-tools',
+        database: 'unavailable',
+        checkedAt
+      },
+      { status: 503 }
+    );
+  }
+}