Simplify campaign detail UI and progress states

src/lib/ui/campaigns.ts

@@ -1,3 +1,22 @@
+import { statusPresentation, type StatusTone } from './status.js';
+
+export type CampaignServerGroup = 'attention' | 'processing' | 'queued' | 'complete' | 'inactive';
+
+/** Progress comes from recorded state, not the error field, which also contains routine stage messages. */
+export function campaignServerStatus(server: {
+    restart_state: string; server_deleted_at?: string | null; restarted_at: string | null;
+}, files: { apply_state: string }[] = []): { group: CampaignServerGroup; label: string; tone: StatusTone } {
+    if (server.restart_state === 'done') return { group: 'complete', label: 'Complete', tone: 'online' };
+    if (server.server_deleted_at) return { group: 'inactive', label: 'Deleted before activation', tone: 'neutral' };
+    if (['skipped', 'cancelled'].includes(server.restart_state)) return { group: 'inactive', ...statusPresentation(server.restart_state) };
+    if (['failed', 'manual', 'held'].includes(server.restart_state)) {
+        return { group: 'attention', ...statusPresentation(server.restart_state), tone: server.restart_state === 'failed' ? 'danger' : 'warning' };
+    }
+    if (server.restarted_at) return { group: 'processing', label: 'Verifying health', tone: 'info' };
+    if (files.some(file => file.apply_state === 'applying')) return { group: 'processing', label: 'Applying files', tone: 'info' };
+    return { group: 'queued', label: 'Queued', tone: 'neutral' };
+}
+
 /** Load only the requested history, respecting the API's per-request page bound. */
 export async function fetchCampaigns<T>(filters: Record<string, string>, count: number, signal?: AbortSignal): Promise<{ deployments: T[]; total: number }> {
     const deployments: T[] = [];