Bug bash fixes: hash routing + back button, hub-only pages reset on machine switch, exited terminals reap after 10 min, self-update refuses while busy unless forced, touch-sized controls, power confirm by machine name, down interfaces collapsed and empty modules hidden, load label, offline backoff, cron log newest first, procs empty message, timer timestamp parsing

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

web/src/Dashboard.tsx

@@ -176,17 +176,18 @@ function body(id: string, { s, h, edit }: Ctx): ReactNode {
               <div className="sub-head">
                 <span className={'dot ' + (x.up ? 'ok' : '')} />
                 <span>{x.iface}</span>
+                {!x.up && <span className="muted small">down</span>}
                 <span className="spacer" />
-                <span className="num">↓ {fmtRate(x.rx_bps)}  ↑ {fmtRate(x.tx_bps)}</span>
+                {x.up && <span className="num">↓ {fmtRate(x.rx_bps)}  ↑ {fmtRate(x.tx_bps)}</span>}
                 <HideBtn k={`net:${x.iface}`} edit={edit} />
               </div>
-              {h?.net[x.iface] && (
+              {x.up && h?.net[x.iface] && (
                 <Sparkline series={[{ name: 'rx', values: h.net[x.iface].rx, color: S1 }, { name: 'tx', values: h.net[x.iface].tx, color: S2 }]} format={fmtRate} />
               )}
-              <div className="legend">
+              {x.up && <div className="legend">
                 <span><span className="sw" style={{ background: S1 }} />rx · {fmtBytes(x.rx_total)} total</span>
                 <span><span className="sw" style={{ background: S2 }} />tx · {fmtBytes(x.tx_total)} total</span>
-              </div>
+              </div>}
             </div>
           ))}
           <HiddenChips prefix="net" edit={edit} label={(k) => k} />
@@ -345,7 +346,9 @@ export default function Dashboard() {
     unhideItem: (k) => update((l) => { const s = new Set(l.hiddenItems); s.delete(k); return { ...l, hiddenItems: s } }),
   }
   const ctx: Ctx = { s: latest, h: hist.current, edit }
-  const visible = (kind: Kind) => layout.order.filter((id) => byId(id)?.kind === kind && !layout.hidden.has(id))
+  // Modules with nothing to show on this host (no fans, no UPS…) stay out of the way unless customizing.
+  const empty = (id: string) => (id === 'fans' && latest.fans.length === 0) || (id === 'ups' && !latest.ups) || (id === 'temps' && latest.temps.length === 0) || (id === 'disks' && latest.disks.length === 0)
+  const visible = (kind: Kind) => layout.order.filter((id) => byId(id)?.kind === kind && !layout.hidden.has(id) && (editing || !empty(id)))
   const hiddenMods = layout.order.filter((id) => layout.hidden.has(id))
 
   // Move a module past its nearest same-kind neighbour (tiles stay with tiles, cards with cards).