Add popup notifications, log view (F5) and context-sensitive key hints (M9)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

internal/ui/downloads.go

@@ -3,7 +3,6 @@ package ui
 import (
 	"context"
 	"fmt"
-	"strings"
 	"sync"
 	"time"
 
@@ -124,6 +123,7 @@ func newDownloadsView(app *App, sab *sabnzbd.Client, sources []arrSource, interv
 // nextPanel moves focus to the next (dir 1) or previous (dir -1) panel:
 // queue, Radarr/Sonarr queue, history.
 func (v *downloadsView) nextPanel(dir int) {
+	defer v.app.renderStatus()
 	cur := v.app.app.GetFocus()
 	for i, p := range v.panels {
 		if p == cur {
@@ -201,11 +201,8 @@ func (v *downloadsView) refresh(ctx context.Context) {
 	}
 
 	v.app.post(func() {
-		var errs []string
 		v.app.SetService("SABnzbd", "", qerr)
-		if qerr != nil {
-			errs = append(errs, "SABnzbd: "+qerr.Error())
-		} else {
+		if qerr == nil {
 			v.sabQueue, v.slots, v.paused = queue, queue.Slots, queue.Paused
 			v.renderQueue()
 		}
@@ -215,18 +212,13 @@ func (v *downloadsView) refresh(ctx context.Context) {
 		}
 		for i, s := range v.sources {
 			v.app.SetService(s.name, "", arrs[i].err)
-			if arrs[i].err != nil {
-				errs = append(errs, s.name+": "+arrs[i].err.Error())
-				continue
+			if arrs[i].err == nil {
+				v.arrItems[s.name] = arrs[i].items
 			}
-			v.arrItems[s.name] = arrs[i].items
 		}
 		v.rebuildArrRows()
 		v.renderArr()
 		v.renderSummary()
-		if len(errs) > 0 {
-			v.app.SetMessage("[red]" + tview.Escape(strings.Join(errs, " · ")))
-		}
 	})
 }
 
@@ -524,3 +516,15 @@ func (v *downloadsView) removeArr(blocklist bool) {
 		})
 	})
 }
+
+// hints lists the keys of the focused panel.
+func (v *downloadsView) hints() string {
+	common := "p pause/resume · r refresh · Tab next panel"
+	switch v.app.app.GetFocus() {
+	case v.arrQueue:
+		return "d remove · b remove + blocklist · " + common
+	case v.history:
+		return "d delete · t retry failed · " + common
+	}
+	return "d delete job · " + common
+}