feat(ql3): establish 3.0 incubation baseline

packages/ql3-local-sqlite/src/authority/instanceAuthorityProject.ts

@@ -0,0 +1,35 @@
+import type { DatabaseSync } from 'node:sqlite';
+
+type Row = Record<string, unknown>;
+
+function projectId(row: Row): string {
+  const value = row.projectId;
+  if (typeof value !== 'string') {
+    throw new TypeError('Local instance authority Project is invalid');
+  }
+  return value;
+}
+
+export function resolveLocalInstanceAuthorityProjectId(
+  client: DatabaseSync,
+): string | null {
+  const claimed = client
+    .prepare(
+      `SELECT "project_id" AS "projectId"
+       FROM "QingLong3LocalOwnerBootstrapChallenges"
+       WHERE "consumed_at_ms" IS NOT NULL
+       ORDER BY "consumed_at_ms" ASC, "project_id" ASC, "version" ASC
+       LIMIT 1`,
+    )
+    .get() as Row | undefined;
+  if (claimed) return projectId(claimed);
+  const fallback = client
+    .prepare(
+      `SELECT "id" AS "projectId"
+       FROM "QingLong3Projects"
+       WHERE "id" = 'default'
+       LIMIT 1`,
+    )
+    .get() as Row | undefined;
+  return fallback ? projectId(fallback) : null;
+}