Use ordered SQLite migrations (Refs #75)

src/lib/server/activity.ts

@@ -9,7 +9,6 @@ import {
 } from '../activity.js';
 import { serverTitle } from '../ui/server-labels.js';
 import { db } from './db/index.js';
-import { ensureHostSchema } from './hosts/schema.js';
 import { importantOperationSql } from './hosts/observations.js';
 
 const initialized = new WeakSet<Database.Database>();
@@ -190,7 +189,6 @@ function present(row: SqlRow): ActivityRow {
 export function activityHistory(input: ActivityQuery = {}, now = Date.now()): ActivityPage {
     const query = normalizeActivityQuery(input);
     const handle = db();
-    ensureHostSchema(handle);
     if (!initialized.has(handle)) {
         handle.function('activity_server_title', { deterministic: true }, (name: unknown) =>
             typeof name === 'string' ? serverTitle(name) : ''