Simplify host overview and move enrollment into drawer

tests/unit/host-instances.test.ts

@@ -31,6 +31,14 @@ describe('host detail instances', () => {
             .run(host.id, now, now);
         db().prepare("UPDATE servers SET container_state='exited' WHERE name='unavailable'").run();
 
+        const { hostOverview } = await import('../../src/lib/server/hosts/overview.js');
+        const overview = hostOverview();
+        expect(overview.find(row => row.id === host.id)?.serverCount).toBe(2);
+        expect(overview.find(row => row.id === other.id)?.serverCount).toBe(1);
+        const { GET: list } = await import('../../src/routes/api/hosts/+server.js');
+        const listed = await list({ request: new Request('https://ec.test/api/hosts') }).json();
+        expect(listed.serverNow).toEqual(expect.any(Number));
+        expect(listed.hosts.find((row: { id: string }) => row.id === host.id)).toMatchObject({ serverCount: 2 });
         const { GET } = await import('../../src/routes/api/hosts/[id]/+server.js');
         const read = async (id: string) => (await GET({ request: new Request(`https://ec.test/api/hosts/${id}`), params: { id } }).json());
         const body = await read(host.id);
@@ -42,6 +50,8 @@ describe('host detail instances', () => {
         db().prepare("UPDATE servers SET last_players=0 WHERE name='running'").run();
         expect((await read(host.id)).instances[0].last_players).toBe(0);
         expect((await read(other.id)).instances.map((instance: { name: string }) => instance.name)).toEqual(['other-host']);
-        expect((await read(createHost({ name: 'Empty host' }).id)).instances).toEqual([]);
+        const empty = createHost({ name: 'Empty host' });
+        expect((await read(empty.id)).instances).toEqual([]);
+        expect(hostOverview().find(row => row.id === empty.id)?.serverCount).toBe(0);
     });
 });