Improve operational UX, recovery flows, and action safety

Implement the approved UX review across Fleet, Betas, Library, deployments, and Settings. Add reviewed promotion and reconciliation plans, atomic queued-removal cancellation, recoverable beta drafts and launch inputs, accessible controls, and mobile improvements.

Validated with 473 tests, a clean typecheck, production build, and isolated desktop/mobile browser walkthroughs. Include the review and implementation coverage notes.

src/routes/api/configs/inspect/+server.ts

@@ -50,7 +50,7 @@ export async function POST({ request }: { request: Request }) {
         return json({ error: 'Server, config ID and text are required.' }, { status: 400 });
     }
     try {
-        return json({ inspection: inspect(body.server, body) }, { headers: { 'Cache-Control': 'no-store' } });
+        return json({ inspection: inspect(body.server, body), promoted: inspect(body.server) }, { headers: { 'Cache-Control': 'no-store' } });
     } catch (err) {
         return json({ error: (err as Error).message }, { status: 400 });
     }