Queue native collection launches before async placement

src/lib/server/backends/schema.ts

@@ -1,7 +1,12 @@
 import type Database from 'better-sqlite3';
 
 export function migrateNativeInstances(handle: Database.Database): void {
+    migrateUnplacedCreationPort(handle);
     handle.exec(`
+        CREATE TABLE IF NOT EXISTS native_creation_intents (
+            deployment_id TEXT PRIMARY KEY REFERENCES server_deployments(id) ON DELETE CASCADE,
+            selection TEXT NOT NULL
+        );
         CREATE TABLE IF NOT EXISTS native_instances (
             id TEXT PRIMARY KEY, server TEXT NOT NULL, host_id TEXT NOT NULL,
             generation INTEGER NOT NULL DEFAULT 1, library_id TEXT NOT NULL,
@@ -24,3 +29,27 @@ export function migrateNativeInstances(handle: Database.Database): void {
         );
     `);
 }
+
+/** Accepted native creations receive their host port only when provisioning places them. */
+function migrateUnplacedCreationPort(handle: Database.Database): void {
+    const columns = handle.prepare('PRAGMA table_info(server_creation_jobs)').all() as { name: string; notnull: number }[];
+    if (!columns.find(column => column.name === 'port')?.notnull) return;
+    const { sql } = handle.prepare("SELECT sql FROM sqlite_master WHERE type='table' AND name='server_creation_jobs'").get() as { sql: string };
+    const replacement = sql.replace(/\bport\s+INTEGER\s+NOT\s+NULL\b/i, 'port INTEGER');
+    if (replacement === sql) throw new Error('Could not migrate unplaced creation ports.');
+    const dependent = handle.prepare("SELECT sql FROM sqlite_master WHERE tbl_name='server_creation_jobs' AND type IN ('index','trigger') AND sql IS NOT NULL")
+        .all() as { sql: string }[];
+    const foreignKeys = handle.pragma('foreign_keys', { simple: true });
+    handle.pragma('foreign_keys = OFF');
+    try {
+        handle.transaction(() => {
+            handle.exec(replacement.replace('server_creation_jobs', 'server_creation_jobs_unplaced'));
+            const names = columns.map(column => `"${column.name.replaceAll('"', '""')}"`).join(', ');
+            handle.exec(`INSERT INTO server_creation_jobs_unplaced(rowid,${names}) SELECT rowid,${names} FROM server_creation_jobs;
+                DROP TABLE server_creation_jobs;
+                ALTER TABLE server_creation_jobs_unplaced RENAME TO server_creation_jobs;`);
+            for (const object of dependent) handle.exec(object.sql);
+            if ((handle.pragma('foreign_key_check') as unknown[]).length) throw new Error('Unplaced creation migration found broken references.');
+        })();
+    } finally { handle.pragma(`foreign_keys = ${foreignKeys ? 'ON' : 'OFF'}`); }
+}