WIP: stage all uncommitted work — sprints 46-221, graduation headers, specialist fleet, test steps 909-1988

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

example_projects/node_api_gateway/test/server.test.js

@@ -0,0 +1,3 @@
+const assert = require("assert");
+const { health } = require("../src/server");
+assert.equal(health().ok, true);