Diagnostics: improve error surfacing and busy state handling

pikit-web/assets/diaglog.js

@@ -107,8 +107,8 @@ export async function initDiagUI({ elements, toast }) {
         const entries = await syncState();
         render(entries);
         toast?.("Diagnostics refreshed (after retry)", "success");
-      } catch {
+      } catch (err2) {
-        // swallow
+        toast?.(err2.error || "Diagnostics still failing", "error");
       }
     } finally {
       setBusy(false);
@@ -126,6 +126,8 @@ export async function initDiagUI({ elements, toast }) {
     } catch (e) {
       toast?.(e.error || "Failed to save diagnostics setting", "error");
       enableToggle.checked = !enableToggle.checked;
+      setBusy(false);
+      return;
     } finally {
       setBusy(false);
     }

pikit-web/assets/main.js

@@ -6,7 +6,7 @@ import { initServiceControls, renderServices } from "./services.js";
 import { initSettings } from "./settings.js";
 import { initUpdateSettings, isUpdatesDirty } from "./update-settings.js";
 import { initReleaseUI } from "./releases.js?v=20251213h";
-import { initDiagUI, logUi } from "./diaglog.js?v=20251213i";
+import { initDiagUI, logUi } from "./diaglog.js?v=20251213j";
 
 const servicesGrid = document.getElementById("servicesGrid");
 const heroStats = document.getElementById("heroStats");
@@ -133,6 +133,7 @@ let toastDurationMs = 5000;
 let toastSpeedMs = 300;
 let fontChoice = "redhat";
 let releaseUI = null;
+let lastStatusData = null;
 
 function applyToastSettings() {
   if (!toastContainer) return;
@@ -318,6 +319,7 @@ function setUpdatesUI(enabled) {
 async function loadStatus() {
   try {
     const data = await getStatus();
+    lastStatusData = data;
     renderStats(heroStats, data);
     renderServices(servicesGrid, data.services, { openAddService });
     const updatesEnabled =
@@ -358,8 +360,12 @@ async function loadStatus() {
     releaseUI?.refreshStatus();
   } catch (e) {
     console.error(e);
+    logUi(`Status refresh failed: ${e?.message || e}`, "error");
+    if (!lastStatusData) {
       renderStats(heroStats, placeholderStatus);
     }
+    setTimeout(loadStatus, 2000);
+  }
 }
 
 function setTempFlag(tempC) {

pikit-web/assets/releases.js

@@ -64,6 +64,9 @@ export function initReleaseUI({ showToast, showBusy, hideBusy, confirmAction, lo
       releaseLog.textContent = releaseLogLines.join("\n");
       releaseLog.scrollTop = 0; // keep most recent in view
     }
+    // Mirror into global diagnostics log (frontend side)
+    const lvl = msg.toLowerCase().startsWith("error") ? "error" : "info";
+    logUi(`Update: ${msg}`, lvl);
   }
 
   function setReleaseChip(state) {
@@ -175,11 +178,16 @@ export function initReleaseUI({ showToast, showBusy, hideBusy, confirmAction, lo
         pollReleaseStatus();
       }
   } catch (e) {
+      // During an update/rollback the API may restart; retry quietly.
+      if (releaseBusyActive) {
+        setTimeout(() => loadReleaseStatus(true), 1000);
+        return;
+      }
       console.error("Failed to load release status", e);
       setReleaseChip({ status: "error", message: "Failed to load" });
-      // surface via toast/log only; avoid inline red flashes
+      // surface via toast/log only once
-      showToast("Failed to load release status", "error");
       logRelease("Error: failed to load release status");
+      showToast("Failed to load release status", "error");
     }
   }
 

pikit-web/index.html

@@ -777,7 +777,7 @@
       </div>
     </div>
 
-    <script type="module" src="assets/main.js?v=20251213i"></script>
+    <script type="module" src="assets/main.js?v=20251213j"></script>
     <div id="toastContainer" class="toast-container"></div>
   </body>
 </html>