chore(lint): clear sort mutation, spread fallback, and error-cause findings

toSorted/flat in the labeler coverage test, drop no-op empty-object spread
fallbacks in the telegram command-menu e2e config, and attach the caught
cause when rewrapping the trusted-workflow parse error.

test/e2e/qa-lab/runtime/telegram-command-menu-gateway.e2e.test.ts

@@ -218,14 +218,14 @@ test("registers pressure-prioritized Telegram menus through a real Gateway", asy
                 { agentId: "qa", match: { channel: "telegram", accountId: "skill" } },
               ];
               cfg.plugins = {
-                ...(cfg.plugins ?? {}),
+                ...cfg.plugins,
                 allow: [...new Set([...(cfg.plugins?.allow ?? []), LOCALIZED_PLUGIN_ID])],
                 entries: {
-                  ...(cfg.plugins?.entries ?? {}),
+                  ...cfg.plugins?.entries,
                   [LOCALIZED_PLUGIN_ID]: { enabled: true },
                 },
                 load: {
-                  ...(cfg.plugins?.load ?? {}),
+                  ...cfg.plugins?.load,
                   paths: [...new Set([...(cfg.plugins?.load?.paths ?? []), localizedPluginDir])],
                 },
               };

test/scripts/labeler-extension-coverage.test.ts

@@ -17,11 +17,11 @@ const labelerPath = path.join(repoRoot, ".github/labeler.yml");
 const extensionDirectories = readdirSync(extensionsRoot, { withFileTypes: true })
   .filter((entry) => entry.isDirectory())
   .map((entry) => entry.name)
-  .sort();
+  .toSorted();
 const extensionDirectorySet = new Set(extensionDirectories);
 const labeler = parse(readFileSync(labelerPath, "utf8")) as Record<string, LabelerRule>;
 const extensionGlobDirectories = Object.values(labeler)
-  .flatMap((rules) => rules)
+  .flat()
   .flatMap((rule) => rule["changed-files"] ?? [])
   .flatMap((changedFiles) => changedFiles["any-glob-to-any-file"] ?? [])
   .flatMap((glob) => glob.match(/^extensions\/([^/]+)\//)?.[1] ?? []);