feat: shell can open a saved host's editor for plugins (Plugin-SSH-Terminal#36)

src/ui/shell/controller/ShellControllerProvider.tsx

@@ -173,6 +173,10 @@ export function ShellControllerProvider({
     },
     openHostEditor: (draft) =>
       requestManage({ kind: "host", hostId: null, draft }),
+    editHost: (hostId) => {
+      requestManage({ kind: "host", hostId });
+      if (isMobile) regions.left.setOpen(false);
+    },
     saveQuickConnect: tabsState.saveQuickConnectHost,
     confirm: (options) =>
       confirmRef.current ? confirmRef.current(options) : Promise.resolve(false),
@@ -196,6 +200,7 @@ export function ShellControllerProvider({
       closeRailView: (...args) => shellImplRef.current.closeRailView(...args),
       openHostEditor: (...args) =>
         shellImplRef.current.openHostEditor?.(...args),
+      editHost: (...args) => shellImplRef.current.editHost?.(...args),
       saveQuickConnect: (...args) =>
         shellImplRef.current.saveQuickConnect!(...args),
       confirm: (...args) => shellImplRef.current.confirm!(...args),

src/ui/shell/tab-registry.ts

@@ -33,6 +33,8 @@ export interface TabShellCallbacks {
   closeRailView: (id: string) => void;
   /** Opens the host editor for a new host with these fields filled in. */
   openHostEditor?: (draft?: HostDraft) => void;
+  /** Opens the editor of a saved host. */
+  editHost?: (hostId: number) => void;
   /** Saves a quick-connect tab's host. Core terminal only. */
   saveQuickConnect?: (tab: Tab, host: Host) => Promise<void>;
   /** Asks a yes or no question over the main area. */