Unify UI workflows and streamline fleet management

src/lib/ui/confirm.ts

@@ -0,0 +1,25 @@
+import { writable } from 'svelte/store';
+
+export interface Confirmation {
+    title: string;
+    message: string;
+    confirmLabel?: string;
+    danger?: boolean;
+}
+export const confirmation = writable<Confirmation | null>(null);
+let resolvePending: ((accepted: boolean) => void) | null = null;
+
+/** Resolve only from a deliberate confirm/cancel action; never default to acceptance. */
+export function confirmAction(options: Confirmation): Promise<boolean> {
+    resolvePending?.(false);
+    return new Promise(resolve => {
+        resolvePending = resolve;
+        confirmation.set(options);
+    });
+}
+export function resolveConfirmation(accepted: boolean): void {
+    const resolve = resolvePending;
+    resolvePending = null;
+    confirmation.set(null);
+    resolve?.(accepted);
+}