feat(backend): build identity в health, VERSION bake и auto stage по sha-*

src/handlers/admin/admin_handler_health.erl

@@ -8,7 +8,7 @@
 init(Req, _State) ->
   case cowboy_req:method(Req) of
     <<"GET">> ->
-      handler_utils:send_json(Req, 200, #{status => <<"ok">>});
+      handler_utils:send_json(Req, 200, eventhub_build_info:info());
     _ ->
       handler_utils:send_error(Req, 405, <<"Method not allowed">>)
   end.
@@ -19,7 +19,7 @@ trails() ->
     #{
       path        => <<"/admin/health">>,
       method      => <<"GET">>,
-      description => <<"Admin API health check">>,
+      description => <<"Admin API health check with build identity">>,
       tags        => [<<"Health">>],
       responses   => #{
         200 => #{
@@ -27,10 +27,14 @@ trails() ->
           content     => #{<<"application/json">> => #{schema => #{
             type       => object,
             properties => #{
-              status => #{type => string}
+              status => #{type => string},
+              service => #{type => string},
+              version => #{type => string},
+              git_sha => #{type => string},
+              built_at => #{type => string}
             }
           }}}
         }
       }
     }
-  ].
+  ].