Q195: a change reloads only what is not already shown, and the snapshot stops carrying records the window never reads

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/helpers/table-rows.ts

@@ -0,0 +1,11 @@
+import type { DatabaseSync } from "node:sqlite";
+import { camel } from "../../src/main/services/snapshot-service";
+
+/** A table's rows with camel-cased keys, for asserting backend records the app no longer ships to the window. */
+export function tableRows(db: DatabaseSync, table: string, orderBy: string, booleans: string[] = []): Array<Record<string, unknown>> {
+  return (db.prepare(`select * from ${table} order by ${orderBy}`).all() as Array<Record<string, unknown>>).map((row) => {
+    const next = camel(row as Record<string, string | number | null>);
+    for (const key of booleans) next[key] = next[key] === 1;
+    return next;
+  });
+}