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cmpnt/main/unit/admin/CClient/CClient.class.php
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run()で tpl.html.inc.php を読む
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	public static function run(){
		echo CTpl::load("html",__DIR__."/");
	}
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cmpnt/main/unit/admin/CClient/tpl.html-head.inc.php
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CClient::resources() が実行される
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<?php CClient::resources(); ?>
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cmpnt/main/unit/admin/CClient/CClient.class.php
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CCLoad::load($settings)  が実行される
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CCLoad::load($settings);
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js code
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Sys.run() が実行される
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<script>
"use strict";
(function(syscfg){
.........
.........
.........
Sys.run();

})(..$syscfg...);
</script>
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cmpnt/main/lib/base/CSys/CSys.js
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Sys.run() 内でCUnit()が実行される
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function run(){
	CUnit();
};
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cmpnt/main/unit/admin/CUnit/CUnit.js
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The reload cmd と onDOMloaded の両方が返ってきた時にpromise_runが走る。
If there is a session, the reload cmd は page_hbfのテンプレートを読み込んでくる。(CAuth.class.php)
If there is no session, then SysEvs.bind("sys-session-end",function(data)が呼ばれて
logoutする。
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function CUnit(){
	let page=null;
	let promise_count=0;

	function promise_run(){
		promise_count++;
		if(promise_count>=2){
			ScreenCover.enable();
			PageStack.open(page);
		}
	};

	function reload(){
		// logout
		SysEvs.bind("sys-session-end",function(data){
			var requ={
				cmd:"logout"
			};
			Sys.ajax(requ,function(resp){
				CmdParam.clear();
				page=resp.page;
				promise_run();
			});
		});

		// reload
		const requ={
			cmd:"reload"
		};
		Sys.ajax(requ,function(resp){
//			CGad.load(resp);
			page=resp.page;
			promise_run();
		});
	};

	function domLoaded(){
		document.addEventListener("DOMContentLoaded",function(e){
			const el_pagestack=$(".pagestack");
			PageStack.init({
				el_control:el_pagestack
			});
			promise_run();
		});
	};

	function init(){
		reload();
		domLoaded();
	};

	init();
};
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cmpnt/main/lib/base/CSessionCheck/CSessionCheck.js
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If there is no session, then timeout is 0,
so SysEvs.trigger("sys-session-end") gets executed.
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	SysEvs.bind("sys-ajax-resp",function(resp){
		if("timeout" in resp){
			if(resp.timeout){
				if(timer_id){
					clearTimeout(timer_id);
				}
				timer_id=setTimeout(function(){
					Sys.ajax({cmd:"session-ping"});
				},(resp.timeout+1)*1000);
			}else{
				SysEvs.trigger("sys-session-end");
				return false;
			}
		}
		if(resp.session){
			SessionToken.setToken(resp.session.token);
		}
	});
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