Quality of life: in-app dialogs, selections in the URL, editable widgets, token dialog, gallery search, status history, stream errors that say why, tab reordering and shortcuts, log out everywhere

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

internal/api/status_sensors.go

@@ -25,8 +25,14 @@ type statusSensors struct {
 	by map[string][]sensors.Sensor // source → its sensors
 
 	cpuPrev map[string]cpuMark // container ID → CPU time at the previous read
+
+	hist map[string]*sensors.Series // numeric sensors only, statusHistory points each
 }
 
+// statusHistory is how many readings each status sensor keeps: at 15 s that is over an
+// hour of container memory; at 10 min, two days of drive wear.
+const statusHistory = 300
+
 const (
 	servicesEvery   = 30 * time.Second
 	containersEvery = 15 * time.Second
@@ -36,7 +42,7 @@ const (
 )
 
 func newStatusSensors(s *Server) *statusSensors {
-	p := &statusSensors{s: s, by: map[string][]sensors.Sensor{}}
+	p := &statusSensors{s: s, by: map[string][]sensors.Sensor{}, hist: map[string]*sensors.Series{}}
 	go p.loop("services", servicesEvery, p.services)
 	go p.loop("containers", containersEvery, p.containers)
 	go p.loop("updates", updatesEvery, p.updates)
@@ -52,6 +58,28 @@ func (p *statusSensors) loop(name string, every time.Duration, read func(context
 		cancel()
 		p.mu.Lock()
 		p.by[name] = got
+		live := map[string]bool{}
+		for _, x := range got {
+			v, ok := x.Value.(float64)
+			if !ok {
+				continue
+			}
+			live[x.ID] = true
+			h := p.hist[x.ID]
+			if h == nil {
+				h = &sensors.Series{ID: x.ID, Unit: x.Unit}
+				p.hist[x.ID] = h
+			}
+			h.T, h.V = append(h.T, x.T), append(h.V, v)
+			if len(h.T) > statusHistory {
+				h.T, h.V = h.T[len(h.T)-statusHistory:], h.V[len(h.V)-statusHistory:]
+			}
+		}
+		for id := range p.hist { // a container that is gone takes its history with it
+			if strings.HasPrefix(id, prefixOf[name]) && !live[id] && prefixOf[name] != "" {
+				delete(p.hist, id)
+			}
+		}
 		p.mu.Unlock()
 		if len(got) == 0 { // no pools, no Docker, no SMART: look again, but rarely
 			time.Sleep(10 * every)
@@ -61,6 +89,22 @@ func (p *statusSensors) loop(name string, every time.Duration, read func(context
 	}
 }
 
+// prefixOf says which IDs a source owns, so its loop forgets only its own departed sensors.
+var prefixOf = map[string]string{"containers": "container.", "smart": "smart.", "zfs": "zfs."}
+
+// SensorHistories implements sensors.Historian.
+func (p *statusSensors) SensorHistories(match func(id string) bool) []sensors.Series {
+	p.mu.RLock()
+	defer p.mu.RUnlock()
+	var out []sensors.Series
+	for id, h := range p.hist {
+		if match(id) {
+			out = append(out, sensors.Series{ID: h.ID, Unit: h.Unit, T: append([]int64{}, h.T...), V: append([]float64{}, h.V...)})
+		}
+	}
+	return out
+}
+
 func (p *statusSensors) Sensors() []sensors.Sensor {
 	p.mu.RLock()
 	defer p.mu.RUnlock()