fix(railway): add Dockerfile and config for proper deployment

Antigravity Agent · Antigravity Agent · commit 711617e16ce8 · 2026-04-03T00:16:27.000+07:00
diff --git a/.trinity/mu/heartbeat.json b/.trinity/mu/heartbeat.json
@@ -1 +1 @@
-{"agent":"mu","wake":1,"timestamp":1775146887,"errors_scanned":0,"fixes_applied":0,"build_ok":false,"test_ok":false}
+{"agent":"mu","wake":4,"timestamp":1775148749,"errors_scanned":0,"fixes_applied":0,"build_ok":false,"test_ok":false}

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-{"agent":"mu","wake":1,"timestamp":1775146887,"errors_scanned":0,"fixes_applied":0,"build_ok":false,"test_ok":false}`
	`1`	`+{"agent":"mu","wake":4,"timestamp":1775148749,"errors_scanned":0,"fixes_applied":0,"build_ok":false,"test_ok":false}`