Clean project layout and fix release workflow

internal/app/state.go

@@ -19,6 +19,7 @@ type RuntimeState struct {
 	LastOCRText    string
 	LastTranslate  string
 	CurrentWorld   string
+	CurrentWorldSince string
 }
 
 var runtimeState = &RuntimeState{}
@@ -84,6 +85,29 @@ func SetCurrentWorld(v string) {
 	_ = persistRuntimeState()
 }
 
+func SetCurrentWorldVisit(world string, since time.Time) {
+	runtimeState.mu.Lock()
+	runtimeState.CurrentWorld = world
+	if since.IsZero() {
+		runtimeState.CurrentWorldSince = ""
+	} else {
+		runtimeState.CurrentWorldSince = since.Format(time.RFC3339)
+	}
+	runtimeState.mu.Unlock()
+	_ = persistRuntimeState()
+}
+
+func SetCurrentWorldSince(v time.Time) {
+	runtimeState.mu.Lock()
+	if v.IsZero() {
+		runtimeState.CurrentWorldSince = ""
+	} else {
+		runtimeState.CurrentWorldSince = v.Format(time.RFC3339)
+	}
+	runtimeState.mu.Unlock()
+	_ = persistRuntimeState()
+}
+
 func SnapshotRuntime() RuntimeState {
 	runtimeState.mu.RLock()
 	defer runtimeState.mu.RUnlock()
@@ -111,6 +135,7 @@ func persistRuntimeState() error {
 		"ocr":           s.LastOCRText,
 		"translate":     s.LastTranslate,
 		"world":         s.CurrentWorld,
+		"world_since":   s.CurrentWorldSince,
 		"updated_at":    time.Now().Format(time.RFC3339),
 	})
 }