Slow sim to 1× on landing and resume last selected speed (ISS-057, v0.30.0)

lib/db/client.test.ts

@@ -151,7 +151,8 @@ describe('openGameDb', () => {
     raw.exec(LEGACY_DDL);
     raw.exec(`INSERT INTO planes VALUES ('plane-starter', 'atr72', 'available', 6300, 6300, 'EDDF', NULL, 50.03, 8.57)`);
     raw.exec(`INSERT INTO account VALUES (20000, 10)`);
-    raw.exec('INSERT INTO sim_state VALUES (1750000000000, 1, 0)');
+    // time_scale = 50 on purpose: the v0.30.0 backfill must copy it into last_selected_time_scale.
+    raw.exec('INSERT INTO sim_state VALUES (1750000000000, 50, 0)');
     const file = path.join(dir, 'legacy.db');
     await fs.writeFile(file, Buffer.from(raw.export()));
 
@@ -167,6 +168,9 @@ describe('openGameDb', () => {
     // …and the ALTER-default 0 was fixed up to a real timestamp so the first
     // tick-on-read resumes cleanly instead of taking one clamped catch-up jump.
     expect(sim?.lastRealTickMs).toBeGreaterThan(0);
+    // v0.30.0 (ISS-057): the new column backfilled to the legacy row's OWN speed, not the default.
+    expect(sim?.timeScale).toBe(50);
+    expect(sim?.lastSelectedTimeScale).toBe(50);
   });
 
   it('migrates a pre-v0.12.0 database: wipes contracts, grounds planes, preserves account + clock', async () => {