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/app/App.hpp

@@ -0,0 +1,69 @@
+#pragma once
+
+// Demo application assembly: shared Services (the DI skeleton), the root
+// Application with middleware, routers, and mounted sub-applications.
+// Gap: real molo::di::Container and plugin registry in 05-request-routing.md.
+
+#include <map>
+#include <memory>
+#include <string>
+
+#include "../fw/App.hpp"
+#include "../fw/Data.hpp"
+#include "../fw/Jobs.hpp"
+#include "../fw/Kv.hpp"
+#include "../fw/Net.hpp"
+#include "../fw/Observ.hpp"
+#include "../fw/Templates.hpp"
+
+namespace molo::example::app {
+
+struct Services {
+  std::shared_ptr<fw::KvStore> kv = std::make_shared<fw::KvStore>();
+  std::shared_ptr<fw::Cache> cache = std::make_shared<fw::Cache>();
+  std::shared_ptr<fw::Pubsub> pubsub = std::make_shared<fw::Pubsub>();
+  std::shared_ptr<fw::EventBus> events = std::make_shared<fw::EventBus>();
+  std::shared_ptr<fw::Metrics> metrics = std::make_shared<fw::Metrics>();
+  std::shared_ptr<fw::Telemetry> telemetry =
+      std::make_shared<fw::Telemetry>();
+  std::shared_ptr<fw::SessionStore> sessions =
+      std::make_shared<fw::SessionStore>();
+  std::shared_ptr<fw::Auth> auth = std::make_shared<fw::Auth>();
+  std::shared_ptr<fw::OrmDb> sqlite =
+      std::make_shared<fw::OrmDb>(fw::OrmBackend::Sqlite);
+  std::shared_ptr<fw::OrmDb> postgres =
+      std::make_shared<fw::OrmDb>(fw::OrmBackend::Postgres);
+  std::shared_ptr<fw::UploadStore> uploads =
+      std::make_shared<fw::UploadStore>();
+  std::shared_ptr<fw::WebdavStore> webdav =
+      std::make_shared<fw::WebdavStore>();
+  std::shared_ptr<fw::Supervisor> supervisor =
+      std::make_shared<fw::Supervisor>();
+  std::shared_ptr<fw::TaskQueue> tasks = std::make_shared<fw::TaskQueue>();
+  std::shared_ptr<fw::ReplicationLog> repl =
+      std::make_shared<fw::ReplicationLog>();
+  std::shared_ptr<fw::OpenApi> openapi = std::make_shared<fw::OpenApi>();
+  std::shared_ptr<fw::Environment> templates =
+      std::make_shared<fw::Environment>();
+  std::map<std::string, std::string> embedded;
+  std::string static_root = "example/static";
+  std::string cookie_secret = "living-example-secret";
+};
+
+std::shared_ptr<fw::Application> build_application(Services& services);
+
+void register_index(fw::Router& router, Services& services);
+void register_routing_demo(fw::Router& router, Services& services);
+void register_chain_demo(std::shared_ptr<fw::Application> app,
+                         Services& services);
+void register_data_demo(fw::Router& router, Services& services);
+void register_security_demo(fw::Router& router, Services& services);
+void register_formats_demo(fw::Router& router, Services& services);
+void register_realtime_demo(fw::Router& router, Services& services);
+void register_ops_demo(fw::Router& router, Services& services);
+
+void load_templates(Services& services);
+void load_embedded(Services& services);
+void seed_services(Services& services);
+
+}  // namespace molo::example::app