feat: harden plugin api for separate repos, signed updates and generic external login

plugins/homepage/src/frontend/HomepageCanvas.tsx

@@ -333,7 +333,9 @@ export function HomepageCanvas({
           scheduleSave(next);
           return next;
         });
-      } catch {}
+      } catch {
+        // A bad layout write is dropped; the canvas keeps what it shows.
+      }
     },
     [scheduleSave],
   );
@@ -376,7 +378,9 @@ export function HomepageCanvas({
           scheduleSave(next);
           return next;
         });
-      } catch {}
+      } catch {
+        // A bad layout write is dropped; the canvas keeps what it shows.
+      }
     },
     [scheduleSave],
   );
@@ -403,7 +407,9 @@ export function HomepageCanvas({
         setWidgets((prev) =>
           prev.map((w) => (w.id === id ? { ...w, title, config } : w)),
         );
-      } catch {}
+      } catch {
+        // A bad layout write is dropped; the canvas keeps what it shows.
+      }
     },
     [],
   );

plugins/homepage/src/frontend/index.tsx

@@ -93,10 +93,6 @@ export function activate(app: TermixApp): void {
     component: HomepagePreviewCard,
   });
 
-  app.declareActionSlot({
-    id: "dashboard.secondaryView",
-    accepts: ["component"],
-  });
   app.registerSlotContribution("dashboard.secondaryView", {
     actionId: "homepage",
     titleKey: "nav.homepage",

plugins/homepage/src/frontend/widgets/QuickConnectWidget.tsx

@@ -4,7 +4,7 @@ import {
   useHostActions,
   useHostStatus,
   useHosts,
-  type PluginHostRecord,
+  useTabs,
 } from "@termix/plugin-sdk/frontend";
 
 import { registerWidget } from "./WidgetRegistry";
@@ -18,14 +18,6 @@ import { GRID_SIZE } from "../types.js";
 import { quickConnectTargets } from "../quick-connect-targets.js";
 import { WidgetTitle } from "@termix/plugin-sdk/ui";
 
-function openTab(host: PluginHostRecord, type: QuickConnectType) {
-  window.dispatchEvent(
-    new CustomEvent("termix:open-tab", {
-      detail: { hostId: String(host.id), type },
-    }),
-  );
-}
-
 function StatusDot({ hostId }: { hostId: number }) {
   const status = useHostStatus(hostId);
   const cls =
@@ -43,6 +35,7 @@ function QuickConnectWidget({
 }: WidgetComponentProps<QuickConnectConfig>) {
   const { t } = useTranslation();
   const { hosts: allHosts, loaded } = useHosts();
+  const tabs = useTabs();
   const targets = quickConnectTargets(useHostActions());
 
   const hosts =
@@ -104,7 +97,7 @@ function QuickConnectWidget({
                     onMouseDown={(e) => e.stopPropagation()}
                     onClick={(e) => {
                       e.stopPropagation();
-                      openTab(host, target.type);
+                      tabs.connectHost(host, target.type);
                     }}
                     className="p-1.5 text-muted-foreground hover:text-accent-brand hover:bg-accent-brand/10 transition-colors border border-transparent hover:border-accent-brand/20"
                   >