Add House Party Protocol for fleet-wide queued destruction

src/lib/server/fleet/create.ts

@@ -416,12 +416,16 @@ async function applyDeploymentTags(deployment: string, gameTagName: string, mapT
 const destroying = new Set<string>();
 
 // Persist the request before returning so navigation and client disconnects cannot lose it.
-export function destroyServer(name: string): DestroyServerResult & { deploymentId?: string } {
+function hasActiveCreation(name: string): boolean {
+    return !!db().prepare("SELECT 1 FROM server_deployments WHERE server = ? AND action = 'create' AND state IN ('queued', 'running', 'awaiting-health')").get(name);
+}
+
+export function destroyServer(name: string, triggeredBy = 'ui'): DestroyServerResult & { deploymentId?: string } {
     const existing = db().prepare("SELECT id FROM server_deployments WHERE server = ? AND action = 'destroy' AND state IN ('waiting', 'running')").get(name) as { id: string } | undefined;
     if (existing) return { ok: true, warnings: [], deploymentId: existing.id };
-    if (!getServer(name)) return { ok: false, kind: 'not-found', message: 'Server not found', warnings: [] };
+    if (!getServer(name) && !hasActiveCreation(name)) return { ok: false, kind: 'not-found', message: 'Server not found', warnings: [] };
     const operation = db().transaction(() => {
-        const id = beginDeployment(name, 'destroy');
+        const id = beginDeployment(name, 'destroy', triggeredBy);
         db().prepare("UPDATE server_deployments SET state = 'waiting' WHERE id = ?").run(id);
         deploymentStage(id, 'Waiting to verify the server is empty');
         return id;
@@ -443,6 +447,10 @@ async function runDestructions(): Promise<void> {
         destroying.add(operation.server);
         try {
             if (!getServer(operation.server)) {
+                if (hasActiveCreation(operation.server)) {
+                    deploymentStage(operation.id, 'Waiting for server creation to finish');
+                    continue;
+                }
                 finishDeployment(operation.id, { ok: false, message: 'Server is no longer registered' });
                 continue;
             }

src/lib/server/fleet/house-party.ts

@@ -0,0 +1,28 @@
+import { db } from '../db/index.js';
+import { destroyServer } from './create.js';
+
+export function housePartyTargets(): string[] {
+    return (db().prepare(`
+        SELECT name FROM servers WHERE destroyed_at IS NULL
+        UNION
+        SELECT server AS name FROM server_deployments
+        WHERE action = 'create' AND state IN ('queued', 'running', 'awaiting-health')
+        ORDER BY name
+    `).all() as { name: string }[]).map(row => row.name);
+}
+
+export function queueHouseParty(expectedServers: string[]) {
+    return db().transaction(() => {
+        const servers = housePartyTargets();
+        const expected = [...expectedServers].sort();
+        if (servers.length !== expected.length || servers.some((name, index) => name !== expected[index])) {
+            return { ok: false as const, error: 'The fleet changed. Refresh the preview and review the servers again.' };
+        }
+        const deployments = servers.map(server => {
+            const result = destroyServer(server, 'house-party-protocol');
+            if (!result.ok) throw new Error(result.message);
+            return { server, deploymentId: result.deploymentId! };
+        });
+        return { ok: true as const, deployments };
+    })();
+}

src/lib/ui/components/HousePartyDialog.svelte

@@ -0,0 +1,74 @@
+<script lang="ts">
+    import Button from './primitives/Button.svelte';
+
+    let { open = $bindable(false), onqueued }: { open?: boolean; onqueued: (count: number) => void } = $props();
+    let dialog: HTMLDialogElement | undefined = $state();
+    let servers = $state<string[] | null>(null);
+    let busy = $state(false);
+    let error = $state('');
+    let wasOpen = false;
+
+    $effect(() => {
+        if (!dialog) return;
+        if (open && !wasOpen) { wasOpen = true; dialog.showModal(); void review(); }
+        else if (!open && wasOpen) { wasOpen = false; dialog.close(); }
+    });
+
+    async function review() {
+        busy = true; error = ''; servers = null;
+        try {
+            const res = await fetch('/api/deployments/house-party');
+            if (!res.ok) throw new Error('Could not load the fleet.');
+            servers = (await res.json()).servers;
+        } catch (err) { error = (err as Error).message; }
+        finally { busy = false; }
+    }
+
+    async function launch() {
+        if (busy || !servers?.length) return;
+        busy = true; error = '';
+        try {
+            const res = await fetch('/api/deployments/house-party', {
+                method: 'POST', headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify({ servers })
+            });
+            const body = await res.json();
+            if (!res.ok) {
+                if (res.status === 409) servers = null;
+                throw new Error(body.error ?? 'Could not queue destruction.');
+            }
+            open = false;
+            onqueued(body.deployments.length);
+        } catch (err) { error = (err as Error).message; }
+        finally { busy = false; }
+    }
+</script>
+
+<dialog bind:this={dialog} aria-label="House Party Protocol" onclick={event => { if (event.target === dialog && !busy) open = false; }} oncancel={event => { if (busy) event.preventDefault(); }} onclose={() => open = false}>
+    <div class="content">
+        <header><span class="eyebrow">Call it a night</span><h2>House Party Protocol</h2></header>
+        <p>Queue destruction of every server, including servers being created. Each waits until a fresh player count confirms it is empty. Unreachable servers stay queued.</p>
+        <p>Destruction removes containers, server files, and fleet registrations. Saved keys and blueprints are kept.</p>
+        {#if error}<p class="error" role="alert">{error}</p>{/if}
+        {#if servers}
+            <strong>{servers.length ? `${servers.length} server${servers.length === 1 ? '' : 's'} to destroy` : 'The house is already empty.'}</strong>
+            {#if servers.length}<ul>{#each servers as server}<li>{server}</li>{/each}</ul><p class="caption">Existing destruction requests are reused. Servers added after this request are not included.</p>{/if}
+        {:else}<p>{busy ? 'Reviewing the fleet…' : 'Refresh the preview to review the current fleet.'}</p>{/if}
+        <div class="actions">
+            <Button variant="ghost" disabled={busy} onclick={() => open = false}>Cancel</Button>
+            {#if !servers}<Button disabled={busy} onclick={review}>Refresh preview</Button>
+            {:else}<Button variant="danger" loading={busy} disabled={busy || !servers.length} onclick={launch}>Queue destruction of {servers.length} server{servers.length === 1 ? '' : 's'}</Button>{/if}
+        </div>
+    </div>
+</dialog>
+
+<style>
+    dialog { width: min(620px, calc(100vw - 32px)); max-height: calc(100dvh - 40px); padding: 0; border: 1px solid var(--border-strong); border-radius: 16px; background: var(--surface); color: var(--text-primary); }
+    dialog::backdrop { background: rgb(0 0 0 / .7); backdrop-filter: blur(5px); }
+    .content { display: grid; gap: 20px; padding: 28px; } h2, p { margin: 0; } h2 { font-size: 25px; }
+    .eyebrow { display: block; color: var(--state-danger); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 8px; }
+    p { color: var(--text-secondary); font-size: 13px; line-height: 1.6; } .error { color: var(--state-danger); } .caption { font-size: 12px; }
+    ul { margin: 0; padding: 12px 12px 12px 30px; max-height: 220px; overflow: auto; background: var(--surface-sunken); border-radius: 8px; }
+    li { padding: 5px 0; font-family: var(--font-mono); font-size: 12px; overflow-wrap: anywhere; }
+    .actions { display: flex; gap: 12px; justify-content: flex-end; flex-wrap: wrap; }
+</style>

src/routes/api/deployments/house-party/+server.ts

@@ -0,0 +1,18 @@
+import { json } from '@sveltejs/kit';
+import { housePartyTargets, queueHouseParty } from '$lib/server/fleet/house-party.js';
+import { kick } from '$lib/server/pipeline/worker.js';
+
+export function GET() {
+    return json({ servers: housePartyTargets() }, { headers: { 'Cache-Control': 'no-store' } });
+}
+
+export async function POST({ request }: { request: Request }) {
+    const body = await request.json().catch(() => null);
+    if (!Array.isArray(body?.servers) || !body.servers.every((name: unknown) => typeof name === 'string')) {
+        return json({ error: 'A reviewed server list is required.' }, { status: 400 });
+    }
+    const result = queueHouseParty(body.servers);
+    if (!result.ok) return json(result, { status: 409 });
+    void kick().catch(err => console.error('[house-party] worker kick failed:', err));
+    return json(result, { status: 202 });
+}

src/routes/deployments/+page.svelte

@@ -7,6 +7,7 @@
     import DeployServerDialog from '$ui/components/DeployServerDialog.svelte';
     import BlueprintBuilder from '$ui/components/BlueprintBuilder.svelte';
     import DeployCollectionDialog from '$ui/components/DeployCollectionDialog.svelte';
+    import HousePartyDialog from '$ui/components/HousePartyDialog.svelte';
     import type { BlueprintSummary, CollectionSummary } from '$lib/deployment-plan.js';
 
     interface Deployment {
@@ -23,6 +24,8 @@
     let builderOpen = $state(false);
     let editingBlueprint = $state<BlueprintSummary | null>(null);
     let collectionOpen = $state(false);
+    let housePartyOpen = $state(false);
+    let housePartyNotice = $state('');
     let collections = $state<CollectionSummary[]>([]);
     let blueprints = $state<BlueprintSummary[]>([]);
     let blueprintsLoading = $state(true);
@@ -92,6 +95,12 @@
     <DeployServerDialog bind:open onblueprint={loadBlueprints} />
     <BlueprintBuilder bind:open={builderOpen} blueprint={editingBlueprint} onsaved={blueprintSaved} />
     <DeployCollectionDialog bind:open={collectionOpen} {blueprintId} />
+    <div class="fleet-shutdown">
+        <div><strong>Call it a night.</strong><p>Queue the whole fleet for removal once each server is empty.</p></div>
+        <Button variant="danger" onclick={() => housePartyOpen = true}>House Party Protocol</Button>
+    </div>
+    <HousePartyDialog bind:open={housePartyOpen} onqueued={count => { housePartyNotice = `Destruction queued for ${count} server${count === 1 ? '' : 's'}. Follow progress in In flight below.`; void load(); }} />
+    {#if housePartyNotice}<p role="status">{housePartyNotice}</p>{/if}
     <section>
         <h2>Your blueprints <span>{blueprints.length}</span></h2>
         {#if blueprintError}<p role="alert" class="error">{blueprintError} <button onclick={loadBlueprints}>Retry</button></p>{/if}
@@ -171,6 +180,8 @@
 {/snippet}
 
 <style>
+    .fleet-shutdown { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 18px 20px; border: 1px solid var(--border-subtle); border-radius: 12px; }
+    .fleet-shutdown p { margin: 5px 0 0; font-size: 13px; color: var(--text-secondary); }
     .page { display: flex; flex-direction: column; gap: 28px; }
     .row-head, .filters, .meta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
     .row-head { justify-content: space-between; }