chore(db,scripts): pending migration and packaging tweaks

Pre-existing working-tree changes to migration SQL parsing, query
generation, and the packaging scripts. Committed as-is rather than
authored here.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

packages/db/src/generate.ts

@@ -226,9 +226,7 @@ export function generateQueriesFile(
     );
   }
 
-  const imports = [
-    `import type { Db${usesExecResult ? ", ExecResult" : ""} } from "@wrnexus/db";`,
-  ];
+  const imports = [`import type { Db${usesExecResult ? ", ExecResult" : ""} } from "@wrnexus/db";`];
   if (usedModels.size > 0) {
     imports.push(`import { ${[...usedModels].sort().join(", ")} } from "./schema.ts";`);
   }