show version in UI

cmd/ingestd/web.go

@@ -21,12 +21,14 @@ type webServer struct {
 	db    *db.DB
 	site  providers.Site
 	model string
+	build binaryBuildInfo
 }
 
 type dashboardResponse struct {
 	GeneratedAt         time.Time                `json:"generated_at"`
 	Site                string                   `json:"site"`
 	Model               string                   `json:"model"`
+	Build               binaryBuildInfo          `json:"build"`
 	RangeStart          time.Time                `json:"range_start"`
 	RangeEnd            time.Time                `json:"range_end"`
 	Observations        []db.ObservationPoint    `json:"observations"`
@@ -46,6 +48,7 @@ func runWebServer(ctx context.Context, d *db.DB, site providers.Site, model, add
 		db:    d,
 		site:  site,
 		model: model,
+		build: currentBuildInfo(),
 	}
 
 	mux := http.NewServeMux()
@@ -53,7 +56,10 @@ func runWebServer(ctx context.Context, d *db.DB, site providers.Site, model, add
 	mux.HandleFunc("/api/dashboard", ws.handleDashboard)
 	mux.HandleFunc("/api/health", func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Content-Type", "application/json")
-		_, _ = w.Write([]byte(`{"ok":true}`))
+		_ = json.NewEncoder(w).Encode(map[string]any{
+			"ok":    true,
+			"build": ws.build,
+		})
 	})
 	mux.HandleFunc("/chart", func(w http.ResponseWriter, r *http.Request) {
 		serveIndex(w, sub)
@@ -193,6 +199,7 @@ func (s *webServer) handleDashboard(w http.ResponseWriter, r *http.Request) {
 		GeneratedAt:         time.Now().UTC(),
 		Site:                s.site.Name,
 		Model:               s.model,
+		Build:               s.build,
 		RangeStart:          start,
 		RangeEnd:            end,
 		Observations:        observations,