feat: implement MoloApp plans 01-15 with integration

Full C++23 framework tree: runtime, observability, security,
data, app, realtime, supervisor, clients, CLI, example plus
enterprise tenancy, audit, operability, governance,
supplychain. Postgres via docker compose for tests.

example/static/app.js

@@ -0,0 +1,6 @@
+// Living example script: tiny health badge, no framework needed.
+fetch("/health").then(function (r) { return r.json(); }).then(function (j) {
+  var el = document.createElement("p");
+  el.textContent = "health: " + j.status + " tls: " + j.tls;
+  document.body.appendChild(el);
+});