Add Typed SSH Service Controls

Provide admin-only SSH status plus generation-safe start, stop, and
single-session disconnect operations through the bounded dispatcher.
Include
Settings UI coverage, lifecycle safeguards, and host-side regression
tests.

tests/web_cookie_auth/test.c

@@ -149,6 +149,9 @@ static void auth_reset(void) {
 #ifdef HOST_BROKER
 #include "broker_settings_test.c"
 #endif
+#ifdef HOST_SSH_SETTINGS
+#include "ssh_settings_test.c"
+#endif
 
 int main(void) {
     assert(store_tests() == 0); auth_reset();
@@ -314,6 +317,9 @@ int main(void) {
 #endif
 #ifdef HOST_BROKER
     broker_settings_tests();
+#endif
+#ifdef HOST_SSH_SETTINGS
+    ssh_settings_tests();
 #endif
     return 0;
 }