From fc6da6756d4a86b2280927a058294534cad29ffc Mon Sep 17 00:00:00 2001
From: pavel444-byte <pavel.melnikov.kid.1993@gmail.com>
Date: Sat, 10 Oct 2026 16:24:34 +0500
Subject: [PATCH] Add account based multiplayer hosting and bug report
 retention

---
 app/api/support/linear/route.ts               |  22 ++
 app/dashboard/[id]/page.tsx                   |   7 +-
 app/servers/[id]/page.tsx                     |   4 +-
 components/DraftEditor.tsx                    |  12 +-
 components/StartGame.tsx                      |  37 ++--
 components/Support.tsx                        |  48 ++++-
 docs/bug-reports.md                           |  37 +++-
 docs/discord-integration.md                   |   4 +
 docs/vercel-deployment.md                     |   7 +-
 lib/bug-cleanup-workflow.ts                   | 146 +++++++++++++
 lib/bug-lifecycle.ts                          |  98 +++++++++
 lib/bug-report-api.ts                         |  63 +++++-
 lib/bug-retention.ts                          |  38 ++++
 lib/discord-announcements.ts                  |  15 +-
 lib/linear-support-client.ts                  |  66 +++++-
 lib/multiplayer-api.ts                        |  62 +++---
 lib/support-sync.ts                           |  11 +-
 scripts/test-bug-reports-sql.mjs              | 127 ++++++++++++
 scripts/test-bug-retention-http.mjs           | 146 +++++++++++++
 scripts/test-discord-http.mjs                 |   7 +-
 scripts/test-multiplayer-browser.mjs          |  30 ++-
 scripts/test-multiplayer-http.mjs             |  98 ++++++++-
 scripts/test-multiplayer-sql.mjs              | 110 ++++++++++
 scripts/test-profile-appearance-browser.mjs   |   1 -
 shared/bug-reports.ts                         |  18 +-
 shared/database.ts                            |  39 ++++
 shared/locales/ru.json                        |  13 +-
 shared/multiplayer.ts                         |  13 +-
 .../20261010053310_bug_report_retention.sql   |  80 +++++++
 ...261010053429_multiplayer_account_hosts.sql |  65 ++++++
 tests/bug-reports.test.ts                     |   2 +
 tests/bug-retention.test.ts                   | 195 ++++++++++++++++++
 tests/multiplayer.test.ts                     |  19 +-
 33 files changed, 1538 insertions(+), 102 deletions(-)
 create mode 100644 lib/bug-cleanup-workflow.ts
 create mode 100644 lib/bug-lifecycle.ts
 create mode 100644 lib/bug-retention.ts
 create mode 100644 scripts/test-bug-retention-http.mjs
 create mode 100644 supabase/migrations/20261010053310_bug_report_retention.sql
 create mode 100644 supabase/migrations/20261010053429_multiplayer_account_hosts.sql
 create mode 100644 tests/bug-retention.test.ts

diff --git a/app/api/support/linear/route.ts b/app/api/support/linear/route.ts
index c79f685..3a70051 100644
--- a/app/api/support/linear/route.ts
+++ b/app/api/support/linear/route.ts
@@ -3,6 +3,7 @@ import { z } from "zod";
 import { admin, required } from "@/lib/supabase";
 import { verifySupportWebhook } from "@/lib/support-signature";
 import { supportCommand } from "@/shared/bug-reports";
+import { reconcileBugStatus, scheduleBugCleanup } from "@/lib/bug-lifecycle";
 
 export const runtime = "nodejs";
 export async function POST(request: NextRequest) {
@@ -59,6 +60,17 @@ export async function POST(request: NextRequest) {
     .safeParse(decoded);
   if (!payload.success) return new NextResponse(null, { status: 400 });
   const event = payload.data;
+  if (event.type === "Issue" && ["create", "update"].includes(event.action)) {
+    try {
+      await reconcileBugStatus(event.data.id, true);
+      return NextResponse.json({ ok: true });
+    } catch {
+      return NextResponse.json(
+        { error: "Support status delivery failed" },
+        { status: 503 },
+      );
+    }
+  }
   // Only explicit new staff comments are public. Internal comments and user echoes stay private.
   if (
     event.action !== "create" ||
@@ -71,6 +83,16 @@ export async function POST(request: NextRequest) {
   const command = supportCommand(event.data.body ?? "");
   if (!command) return NextResponse.json({ ok: true });
   try {
+    if (command.kind === "close") {
+      required(
+        await admin().rpc("receive_bug_close", {
+          p_report: event.data.issueId,
+          p_external: event.data.id,
+        }),
+      );
+      await scheduleBugCleanup(event.data.issueId);
+      return NextResponse.json({ ok: true });
+    }
     required(
       await admin().rpc("receive_bug_reply", {
         p_report: event.data.issueId,
diff --git a/app/dashboard/[id]/page.tsx b/app/dashboard/[id]/page.tsx
index 6e4c4ed..35332bf 100644
--- a/app/dashboard/[id]/page.tsx
+++ b/app/dashboard/[id]/page.tsx
@@ -2,6 +2,7 @@ import { getI18n } from "@/lib/i18n";
 import { Header, Footer } from "@/components/Shell";
 import { DraftEditor } from "@/components/DraftEditor";
 import { user } from "@/lib/supabase";
+import { accountProfile } from "@/lib/profile";
 import { redirect } from "next/navigation";
 export default async function Draft({
   params,
@@ -10,15 +11,17 @@ export default async function Draft({
 }) {
   const { t } = await getI18n();
   const { id } = await params;
-  if (!(await user()))
+  const account = await user();
+  if (!account)
     redirect(`/log-in?next=${encodeURIComponent("/dashboard/" + id)}`);
+  const profile = await accountProfile(account);
   return (
     <>
       <Header />
       <main className="section page-content">
         <span className="eyebrow">{t("YOUR WORLD · YOUR LOCATIONS")}</span>
         <h1>{t("Map workshop")}</h1>
-        <DraftEditor id={id} />
+        <DraftEditor id={id} hostName={profile.display_name} />
       </main>
       <Footer />
     </>
diff --git a/app/servers/[id]/page.tsx b/app/servers/[id]/page.tsx
index 34e106c..1d4e8ba 100644
--- a/app/servers/[id]/page.tsx
+++ b/app/servers/[id]/page.tsx
@@ -8,6 +8,7 @@ import { getMap } from "@/lib/catalog";
 import { ContributionInstructions } from "@/components/ContributionInstructions";
 import { ReportContent } from "@/components/ReportContent";
 import { user } from "@/lib/supabase";
+import { accountProfile } from "@/lib/profile";
 import { ExportMap } from "@/components/MapTransfer";
 export default async function ServerPage({
   params,
@@ -19,6 +20,7 @@ export default async function ServerPage({
   const map = await getMap(id);
   if (!map) notFound();
   const account = await user();
+  const profile = account ? await accountProfile(account) : null;
   return (
     <>
       <Header />
@@ -63,7 +65,7 @@ export default async function ServerPage({
               </span>
             </div>
           </div>
-          <StartGame datasetId={id} />
+          <StartGame datasetId={id} hostName={profile?.display_name ?? null} />
         </div>
         {map.allow_contributions && (
           <ContributionInstructions
diff --git a/components/DraftEditor.tsx b/components/DraftEditor.tsx
index c5a5a6b..d400403 100644
--- a/components/DraftEditor.tsx
+++ b/components/DraftEditor.tsx
@@ -36,7 +36,13 @@ type Draft = {
   banned_at: string | null;
   ban_reason: string | null;
 };
-export function DraftEditor({ id }: { id: string }) {
+export function DraftEditor({
+  id,
+  hostName,
+}: {
+  id: string;
+  hostName: string;
+}) {
   const { t } = useI18n();
   const dirty = useRef(false);
   const [draft, setDraft] = useState<Draft | null>(null),
@@ -180,7 +186,9 @@ export function DraftEditor({ id }: { id: string }) {
               "This shared map is private and playable without moderator review. Only the original owner can submit it for public review.",
             )}
           </p>
-          {draft.state === "draft" && <StartGame datasetId={id} />}
+          {draft.state === "draft" && (
+            <StartGame datasetId={id} hostName={hostName} />
+          )}
         </section>
       )}
       {!draft.parent_dataset_id &&
diff --git a/components/StartGame.tsx b/components/StartGame.tsx
index 87fe4be..f77a025 100644
--- a/components/StartGame.tsx
+++ b/components/StartGame.tsx
@@ -2,16 +2,22 @@
 import { useI18n } from "@/components/I18nProvider";
 
 import { useState } from "react";
+import Link from "next/link";
 import { useRouter } from "next/navigation";
 import { ArrowRight, Timer, ZoomIn, Users } from "lucide-react";
 import { difficulties, type Difficulty } from "@/shared/protocol";
 import { api } from "@/lib/client-api";
 export { api } from "@/lib/client-api";
-export function StartGame({ datasetId }: { datasetId: string }) {
+export function StartGame({
+  datasetId,
+  hostName,
+}: {
+  datasetId: string;
+  hostName: string | null;
+}) {
   const { t } = useI18n();
   const [difficulty, setDifficulty] = useState<Difficulty>("normal"),
     [mode, setMode] = useState<"solo" | "multiplayer">("solo"),
-    [displayName, setDisplayName] = useState(""),
     [playerLimit, setPlayerLimit] = useState(4),
     [loading, setLoading] = useState(false),
     [error, setError] = useState("");
@@ -25,7 +31,7 @@ export function StartGame({ datasetId }: { datasetId: string }) {
         {
           datasetId,
           difficulty,
-          ...(mode === "multiplayer" ? { displayName, playerLimit } : {}),
+          ...(mode === "multiplayer" ? { playerLimit } : {}),
         },
       );
       router.push((mode === "solo" ? "/play/" : "/multiplayer/") + session.id);
@@ -82,17 +88,16 @@ export function StartGame({ datasetId }: { datasetId: string }) {
       </p>
       {mode === "multiplayer" && (
         <div className="multiplayer-settings">
-          <label htmlFor="room-display-name">{t("Your player name")}</label>
-          <input
-            id="room-display-name"
-            value={displayName}
-            onChange={(event) => setDisplayName(event.target.value)}
-            minLength={2}
-            maxLength={32}
-            placeholder={t("Enter a player name")}
-            autoComplete="nickname"
-            disabled={loading}
-          />
+          {hostName ? (
+            <p>
+              {t("Host display name")}: <strong>{hostName}</strong>
+            </p>
+          ) : (
+            <p className="muted">
+              {t("Log in to create a multiplayer room")}{" "}
+              <Link href="/log-in?next=/servers">{t("Log in")}</Link>
+            </p>
+          )}
           <label htmlFor="room-player-limit">
             {t("Player limit (including you)")}
           </label>
@@ -118,9 +123,7 @@ export function StartGame({ datasetId }: { datasetId: string }) {
       <button
         className="button primary full"
         onClick={start}
-        disabled={
-          loading || (mode === "multiplayer" && displayName.trim().length < 2)
-        }
+        disabled={loading || (mode === "multiplayer" && !hostName)}
       >
         {loading
           ? t("Preparing your world…")
diff --git a/components/Support.tsx b/components/Support.tsx
index 47ffe58..449116e 100644
--- a/components/Support.tsx
+++ b/components/Support.tsx
@@ -218,7 +218,10 @@ export function SupportInbox({ pagePath }: { pagePath: string }) {
             {inbox.reports.map((report) => (
               <li key={report.id}>
                 <Link href={`/support/${report.id}`}>
-                  <strong>{report.title}</strong>
+                  <strong>
+                    {report.title}
+                    {report.state === "done" && <> · {t("Done")}</>}
+                  </strong>
                   <small>
                     {formatDate(report.created_at)} ·{" "}
                     {report.linear_identifier ??
@@ -331,6 +334,47 @@ export function SupportConversation({ id }: { id: string }) {
             {report.linear_identifier ?? t("Waiting for support")}
           </span>
           <h1>{report.title}</h1>
+          {report.state === "done" && (
+            <div role="status">
+              <p>
+                <strong>{t("Done")}</strong> ·{" "}
+                {t(
+                  "This report is closed and will be deleted from MineGeo and Linear after three days.",
+                )}
+              </p>
+              {report.delete_after && (
+                <p>
+                  {t("Scheduled deletion")}: {formatDate(report.delete_after)}
+                </p>
+              )}
+              {!report.linear_done_synced && (
+                <p>{t("Syncing Done status with Linear…")}</p>
+              )}
+              {report.cleanup_error && (
+                <p className="error-message">
+                  {t(
+                    "Support cleanup paused. The support team may need to update Linear permissions.",
+                  )}{" "}
+                  <button
+                    className="text-link"
+                    disabled={busy}
+                    onClick={() => void action("retry-cleanup", {})}
+                  >
+                    {t("Retry")}
+                  </button>
+                </p>
+              )}
+            </div>
+          )}
+          {report.state === "open" && (
+            <button
+              className="button"
+              disabled={busy}
+              onClick={() => void action("close", {})}
+            >
+              {t("Close report")}
+            </button>
+          )}
           {report.state === "pending" && (
             <p role="status">
               {t("Your report is saved. We’re connecting it to support.")}
@@ -432,7 +476,7 @@ export function SupportConversation({ id }: { id: string }) {
               </article>
             ))}
           </div>
-          {report.state !== "draft" && (
+          {report.state !== "draft" && report.state !== "done" && (
             <form
               onSubmit={(event) => {
                 event.preventDefault();
diff --git a/docs/bug-reports.md b/docs/bug-reports.md
index 0407d74..b163ec0 100644
--- a/docs/bug-reports.md
+++ b/docs/bug-reports.md
@@ -24,6 +24,20 @@ comments remain internal. Player follow-ups appear in Linear with
 `#user-report-message`; the initial report uses the same prefix in its description.
 Editing an existing comment does not send another message.
 
+Players can select **Close report** after support has received it. The conversation
+shows **Done**, becomes read-only, and displays its deletion date. MineGeo moves
+the matching Linear issue to the team's **Done** status. Staff can also post the
+exact command `#player-report-close`, or move the issue to Done in Linear.
+
+Three days after closing, a durable Vercel Workflow deletes the Linear issue,
+both the original and normalized Supabase screenshots, the local report, and its
+messages. It runs even when nobody visits support. Linear's normal deleted-issue
+trash retention still applies. Username glow and Bug finder rewards already
+granted to an account remain. Guest rewards must be linked before the report is
+deleted. Reopening the issue in Linear before cleanup starts cancels deletion;
+closing it again starts a new three-day period. Repeated close requests and
+replayed staff commands do not extend the existing deadline.
+
 To grant or remove the actual account reward, add a separate new comment:
 
 ```text
@@ -49,17 +63,21 @@ badges by copying a registered player's display name.
 
 ## Deployment setup
 
-Apply `20261008071054_bug_reports.sql` and `20261008075322_profile_identity.sql`
+Apply `20261008071054_bug_reports.sql`, `20261008075322_profile_identity.sql`, and
+`20261010053310_bug_report_retention.sql`
 before deploying. Production environment
 variables in Vercel:
 
-- `LINEAR_API_KEY`: sensitive personal API key with Read, Create issues, and
-  Create comments access to the support team.
+- `LINEAR_API_KEY`: sensitive personal API key with **Read and Write** access to
+  the support team. Create issues/comments alone cannot update status or delete
+  issues. If needed, create a replacement in Linear **Settings → Security & access
+  → Personal API keys**, then replace this variable in Vercel **Production** and
+  redeploy. Never paste the key into chat.
 - `LINEAR_WEBHOOK_SECRET`: sensitive signing secret of the team's Linear webhook.
 - `LINEAR_TEAM_ID`: support team UUID.
 - `LINEAR_PROJECT_ID`: optional project UUID or Linear project identifier.
 
-Enable **Comment** events on the team webhook and set its URL to
+Enable **Comment and Issue** events on the team webhook and set its URL to
 `https://minegeo.vercel.app/api/support/linear`. Redeploy after saving environment
 variables. Keys stay server-side and must never be pasted into issue descriptions,
 client configuration, or source uploads.
@@ -68,7 +86,18 @@ Webhook requests require a matching raw-body HMAC signature and a timestamp
 within 60 seconds. Duplicate events have no effect. Delivery to Linear happens
 after the HTTP response; opening the conversation retries interrupted or failed
 delivery. The page shows saved/pending and delivered states.
+Issue events immediately synchronize Done/reopened states. Opening the inbox or
+conversation also checks status, at most once per minute per report, as a fallback.
+If Linear or Storage deletion fails, the local report is retained for retries;
+the conversation shows a retry action if cleanup exhausts its automatic retries.
+Keep Vercel's **Enable access to System Environment Variables** setting enabled
+for durable timers. No additional secret or cron is needed.
 
 Validation: `npm test`, `npm run typecheck`, `npm run build`, and
 `node scripts/test-bug-reports-sql.mjs` (uses the isolated PGlite installation under
 `.data/sql-verification`, as the other SQL verification scripts do).
+`node scripts/test-bug-retention-http.mjs https://minegeo.vercel.app` verifies
+the deployed flow with a clearly labeled temporary report and screenshot. It
+checks ownership, Done synchronization, the three-day deadline, and deletion
+from both systems by advancing only that test report's deadline. The fixture ID
+is journaled under the ignored `.data/retention-check` directory for recovery.
diff --git a/docs/discord-integration.md b/docs/discord-integration.md
index a6b1d9f..a041864 100644
--- a/docs/discord-integration.md
+++ b/docs/discord-integration.md
@@ -11,6 +11,10 @@ and re-publication do not create new-map announcements. Existing maps from befor
 this integration are not backfilled.
 
 In an open multiplayer lobby, the host can select **Publish party to Discord**.
+Hosting requires a signed-in account and always uses its stored Display Name.
+Signed-in players join with account names; guests can join with nicknames.
+If the host leaves, another signed-in player takes over; the party closes if
+only guests remain.
 All published parties go to the single server-wide `DISCORD_PARTIES_CHANNEL_ID`.
 Players cannot choose a destination. Discord readers can open the invite and join
 without a MineGeo account while the lobby is open and has space. Messages show
diff --git a/docs/vercel-deployment.md b/docs/vercel-deployment.md
index e2f2ca3..c02f3d1 100644
--- a/docs/vercel-deployment.md
+++ b/docs/vercel-deployment.md
@@ -60,6 +60,7 @@ additional Supabase credentials.
 Multiplayer uses the Supabase migration described in [multiplayer.md](multiplayer.md).
 Apply that migration to a new database before deploying the multiplayer web files.
 Room chat also requires `20261007155622_multiplayer_chat.sql` before the web update.
+Account-only party hosting requires `20261010053429_multiplayer_account_hosts.sql`.
 
 Map ZIP sharing requires `20261007145000_map_sharing.sql`. Imported maps stay
 private and can be played without moderation; publication is blocked. See
@@ -70,6 +71,10 @@ The script targets the existing MineGeo project. Set `VERCEL_PROJECT_ID` and
 
 Player bug reporting requires `20261008071054_bug_reports.sql` and the Linear
 server credentials described in [bug-reports.md](bug-reports.md). Configure the
-Comment webhook before deploying so staff replies and glow commands reach players.
+Comment and Issue webhook events before deploying so staff replies, glow commands,
+and status changes reach players. Report retention also requires
+`20261010053310_bug_report_retention.sql` and a Linear API key with Read and Write
+permissions. Closed reports move to Done and are deleted from MineGeo and Linear
+after three days through a durable workflow; no cron job is required.
 Glow colors and user prefixes also require `20261008075322_profile_identity.sql`
 before deploying the updated account, catalog, and multiplayer pages.
diff --git a/lib/bug-cleanup-workflow.ts b/lib/bug-cleanup-workflow.ts
new file mode 100644
index 0000000..bb2b0a8
--- /dev/null
+++ b/lib/bug-cleanup-workflow.ts
@@ -0,0 +1,146 @@
+import {
+  FatalError,
+  RetryableError,
+  getWorkflowMetadata,
+  sleep,
+} from "workflow";
+import { admin, required } from "./supabase";
+import {
+  LinearSupportClient,
+  LinearPermissionError,
+} from "./linear-support-client";
+import { purgeClosedBugReport } from "./bug-retention";
+
+const linearClient = () =>
+  new LinearSupportClient(
+    process.env.LINEAR_API_KEY!,
+    process.env.LINEAR_TEAM_ID!,
+    process.env.LINEAR_PROJECT_ID,
+  );
+async function record(id: string) {
+  const result = await admin()
+    .from("bug_reports")
+    .select("*")
+    .eq("id", id)
+    .maybeSingle();
+  if (result.error) required(result);
+  return result.data;
+}
+
+export async function cleanupDoneBugReport(
+  id: string,
+  closedAt: string,
+  claim: string,
+) {
+  "use workflow";
+  const run = getWorkflowMetadata().workflowRunId;
+  try {
+    const deadline = await markLinearDone(id, closedAt);
+    if (deadline) {
+      await sleep(new Date(deadline));
+      await purgeDone(id, closedAt);
+    }
+  } catch {
+    await releaseCleanup(id, closedAt, claim, run);
+    throw new Error("Bug report cleanup paused; the saved report will retry.");
+  }
+}
+async function markLinearDone(
+  id: string,
+  closedAt: string,
+): Promise<string | null> {
+  "use step";
+  try {
+    const report = await record(id);
+    if (!report || report.state !== "done" || report.closed_at !== closedAt)
+      return null;
+    if (!report.linear_done_synced) {
+      await linearClient().done(id);
+      required(
+        await admin()
+          .from("bug_reports")
+          .update({ linear_done_synced: true, cleanup_error: null })
+          .eq("id", id)
+          .eq("state", "done")
+          .eq("closed_at", closedAt)
+          .select("id"),
+      );
+    }
+    return report.delete_after ?? null;
+  } catch (error) {
+    if (error instanceof LinearPermissionError)
+      throw new FatalError("The Linear key needs Write permission.");
+    throw new RetryableError(
+      "Could not move the Linear report to Done. Check the API key's Write permission.",
+      { retryAfter: "1m" },
+    );
+  }
+}
+markLinearDone.maxRetries = 10;
+
+async function purgeDone(id: string, closedAt: string) {
+  "use step";
+  try {
+    await purgeClosedBugReport(id, closedAt, {
+      record: () => record(id),
+      linear: linearClient(),
+      begin: async () =>
+        required(
+          await admin().rpc("begin_bug_purge", {
+            p_report: id,
+            p_closed_at: closedAt,
+          }),
+        ),
+      reopen: async () => {
+        required(
+          await admin().rpc("set_bug_report_done", {
+            p_report: id,
+            p_done: false,
+          }),
+        );
+      },
+      removeFiles: async (paths) => {
+        required(await admin().storage.from("minegeo-support").remove(paths));
+      },
+      finish: async () => {
+        required(
+          await admin().rpc("finish_bug_purge", {
+            p_report: id,
+            p_closed_at: closedAt,
+          }),
+        );
+      },
+    });
+  } catch {
+    throw new RetryableError(
+      "Report deletion could not be confirmed. The saved record will retry.",
+      { retryAfter: "5m" },
+    );
+  }
+}
+purgeDone.maxRetries = 10;
+
+async function releaseCleanup(
+  id: string,
+  closedAt: string,
+  claim: string,
+  run: string,
+) {
+  "use step";
+  required(
+    await admin()
+      .from("bug_reports")
+      .update({
+        cleanup_run_id: null,
+        cleanup_lease_until: new Date(Date.now() + 60000).toISOString(),
+        cleanup_error:
+          "Support cleanup paused. Check Linear Write permission and retry.",
+      })
+      .eq("id", id)
+      .eq("closed_at", closedAt)
+      .in("cleanup_run_id", [claim, run])
+      .select("id"),
+  );
+  console.error("Bug report cleanup paused", { id, run });
+}
+releaseCleanup.maxRetries = 10;
diff --git a/lib/bug-lifecycle.ts b/lib/bug-lifecycle.ts
new file mode 100644
index 0000000..6bb0b4e
--- /dev/null
+++ b/lib/bug-lifecycle.ts
@@ -0,0 +1,98 @@
+import "server-only";
+import { randomUUID } from "node:crypto";
+import { start } from "workflow/api";
+import { admin, required } from "./supabase";
+import { LinearSupportClient } from "./linear-support-client";
+import { cleanupDoneBugReport } from "./bug-cleanup-workflow";
+
+export async function scheduleBugCleanup(id: string) {
+  if (!process.env.LINEAR_API_KEY || !process.env.LINEAR_TEAM_ID) return;
+  const db = admin(),
+    claim = `starting:${randomUUID()}`;
+  const rows = required(
+    await db.rpc("claim_bug_cleanup", { p_report: id, p_worker: claim }),
+  );
+  for (const report of rows) {
+    try {
+      const run = await start(cleanupDoneBugReport, [
+        id,
+        report.closed_at!,
+        claim,
+      ]);
+      required(
+        await db
+          .from("bug_reports")
+          .update({ cleanup_run_id: run.runId, cleanup_lease_until: null })
+          .eq("id", id)
+          .eq("cleanup_run_id", claim)
+          .select("id"),
+      );
+    } catch {
+      console.error("Bug report cleanup remains saved for retry.");
+    }
+  }
+}
+
+export async function reconcileBugStatus(id: string, force = false) {
+  const db = admin();
+  const lookup = await db
+    .from("bug_reports")
+    .select("*")
+    .eq("id", id)
+    .maybeSingle();
+  if (lookup.error) required(lookup);
+  const report = lookup.data;
+  if (!report?.issue_synced || report.purge_started_at) return;
+  if (report.state === "done" && !report.linear_done_synced) {
+    await scheduleBugCleanup(id);
+    return;
+  }
+  if (
+    !force &&
+    report.status_checked_at &&
+    Date.parse(report.status_checked_at) > Date.now() - 60000
+  )
+    return;
+  required(
+    await db
+      .from("bug_reports")
+      .update({ status_checked_at: new Date().toISOString() })
+      .eq("id", id)
+      .select("id"),
+  );
+  const linear = new LinearSupportClient(
+    process.env.LINEAR_API_KEY!,
+    process.env.LINEAR_TEAM_ID!,
+    process.env.LINEAR_PROJECT_ID,
+  );
+  const issue = await linear.issue(id);
+  if (!issue) {
+    if (report.state === "done") await scheduleBugCleanup(id);
+    return;
+  }
+  if (issue.state?.type === "completed") {
+    required(
+      await db.rpc("set_bug_report_done", {
+        p_report: id,
+        p_done: true,
+        p_closed_at: issue.completedAt ?? null,
+      }),
+    );
+    // An external completed status may need normalizing to the team's Done status.
+    required(
+      await db
+        .from("bug_reports")
+        .update({
+          linear_done_synced: issue.state.name.toLowerCase() === "done",
+        })
+        .eq("id", id)
+        .eq("state", "done")
+        .select("id"),
+    );
+    await scheduleBugCleanup(id);
+  } else if (report.state === "done") {
+    required(
+      await db.rpc("set_bug_report_done", { p_report: id, p_done: false }),
+    );
+  }
+}
diff --git a/lib/bug-report-api.ts b/lib/bug-report-api.ts
index dbb9c90..c59be37 100644
--- a/lib/bug-report-api.ts
+++ b/lib/bug-report-api.ts
@@ -2,6 +2,7 @@ import "server-only";
 import { createHash, randomBytes, randomUUID } from "node:crypto";
 import { NextRequest, NextResponse } from "next/server";
 import { z } from "zod";
+import { after } from "next/server";
 import { admin, required, user } from "./supabase";
 import { accountProfile } from "./profile";
 import { requestOrigin } from "./request-origin";
@@ -14,6 +15,7 @@ import {
 } from "../shared/bug-reports";
 import { supportScreenshot } from "./support-images";
 import { supportReady, syncBugAfterResponse } from "./support-sync";
+import { scheduleBugCleanup, reconcileBugStatus } from "./bug-lifecycle";
 
 type Dependencies = {
   jsonBody: (request: NextRequest) => Promise<unknown>;
@@ -51,9 +53,14 @@ export async function bugReportApi(
       ? record.owner_id === account?.id
       : !!saved && record.access_hash === hash;
   async function owned(id: string) {
-    const record = required(
-      await db.from("bug_reports").select("*").eq("id", id).maybeSingle(),
-    );
+    const result = await db
+      .from("bug_reports")
+      .select("*")
+      .eq("id", id)
+      .maybeSingle();
+    if (result.error) required(result);
+    const record = result.data;
+    if (!record) throw new ServiceError("Report not found", 404);
     if (!owns(record)) throw new ServiceError("Report not found", 404);
     return record;
   }
@@ -79,6 +86,10 @@ export async function bugReportApi(
       description: record.description,
       page_path: record.page_path,
       state: record.state,
+      closed_at: record.closed_at,
+      delete_after: record.delete_after,
+      linear_done_synced: record.linear_done_synced,
+      cleanup_error: record.cleanup_error,
       linear_identifier: record.linear_identifier,
       glow_requested: record.glow_requested,
       created_at: record.created_at,
@@ -102,6 +113,12 @@ export async function bugReportApi(
         .order("created_at", { ascending: false })
         .limit(50),
     );
+    after(async () => {
+      for (let i = 0; i < rows.length; i += 5)
+        await Promise.allSettled(
+          rows.slice(i, i + 5).map((row) => reconcileBugStatus(row.id)),
+        );
+    });
     return respond({
       ready: supportReady(),
       signedIn: !!account,
@@ -179,8 +196,14 @@ export async function bugReportApi(
   const id = z.string().uuid().parse(path[1]);
   const record = await owned(id);
   if (path.length === 2 && request.method === "GET") {
+    try {
+      await reconcileBugStatus(id);
+    } catch {
+      console.error("Bug report status will retry.");
+    }
     if (record.state !== "draft") syncBugAfterResponse(id);
-    return respond(await view(record));
+    if (record.state === "done") await scheduleBugCleanup(id);
+    return respond(await view(await owned(id)));
   }
   if (path.length !== 3 || request.method !== "POST")
     return NextResponse.json({ error: "Not found" }, { status: 404 });
@@ -243,6 +266,8 @@ export async function bugReportApi(
     return respond(await view(await owned(id)));
   }
   if (path[2] === "messages") {
+    if (record.state === "done")
+      throw new ServiceError("This bug report is Done", 409);
     if (record.state === "draft")
       throw new ServiceError("Submit this report before sending messages", 409);
     const body = bugMessageSchema.parse(await jsonBody(request));
@@ -289,6 +314,36 @@ export async function bugReportApi(
     syncBugAfterResponse(id);
     return respond(await view(record));
   }
+  if (path[2] === "close") {
+    z.object({})
+      .strict()
+      .parse(await jsonBody(request));
+    if (!record.issue_synced)
+      throw new ServiceError(
+        "Wait for support to receive this report before closing it",
+        409,
+      );
+    required(
+      await db.rpc("set_bug_report_done", { p_report: id, p_done: true }),
+    );
+    await scheduleBugCleanup(id);
+    return respond(await view(await owned(id)));
+  }
+  if (path[2] === "retry-cleanup" && record.state === "done") {
+    z.object({})
+      .strict()
+      .parse(await jsonBody(request));
+    required(
+      await db
+        .from("bug_reports")
+        .update({ cleanup_lease_until: null })
+        .eq("id", id)
+        .is("cleanup_run_id", null)
+        .select("id"),
+    );
+    await scheduleBugCleanup(id);
+    return respond(await view(await owned(id)));
+  }
   if (path[2] === "claim") {
     if (!account) throw new ServiceError("Sign in to link this report", 401);
     required(
diff --git a/lib/bug-retention.ts b/lib/bug-retention.ts
new file mode 100644
index 0000000..0442120
--- /dev/null
+++ b/lib/bug-retention.ts
@@ -0,0 +1,38 @@
+import type { BugReportRecord } from "../shared/bug-reports";
+import type { LinearSupportClient } from "./linear-support-client";
+
+export async function purgeClosedBugReport(
+  id: string,
+  closedAt: string,
+  deps: {
+    record: () => Promise<BugReportRecord | null>;
+    linear: Pick<LinearSupportClient, "issue" | "remove">;
+    begin: () => Promise<boolean>;
+    reopen: () => Promise<void>;
+    removeFiles: (paths: string[]) => Promise<void>;
+    finish: () => Promise<void>;
+    now?: () => number;
+  },
+) {
+  const report = await deps.record();
+  if (
+    !report ||
+    report.state !== "done" ||
+    report.closed_at !== closedAt ||
+    !report.delete_after ||
+    Date.parse(report.delete_after) > (deps.now ?? Date.now)()
+  )
+    return;
+  if (!report.purge_started_at) {
+    const issue = await deps.linear.issue(id);
+    if (issue && issue.state?.type !== "completed") {
+      await deps.reopen();
+      return;
+    }
+  }
+  if (!(await deps.begin())) return;
+  // Keep the local retry record until BOTH external deletions are confirmed.
+  await deps.linear.remove(id);
+  await deps.removeFiles([`${id}/input`, `${id}/screenshot.webp`]);
+  await deps.finish();
+}
diff --git a/lib/discord-announcements.ts b/lib/discord-announcements.ts
index 0b9a262..339bdcf 100644
--- a/lib/discord-announcements.ts
+++ b/lib/discord-announcements.ts
@@ -83,16 +83,27 @@ async function announcementSource(
   const players = required(
     await db
       .from("multiplayer_players")
-      .select("id,display_name")
+      .select("id,display_name,account_id")
       .eq("room_id", room.id)
       .eq("has_left", false),
   );
   const host = players.find((p) => p.id === room.host_player_id);
   if (!host || players.length >= room.player_limit) return null;
+  let hostName = host.display_name;
+  if (host.account_id) {
+    const profile = required(
+      await db
+        .from("profiles")
+        .select("display_name")
+        .eq("id", host.account_id)
+        .single(),
+    );
+    hostName = profile.display_name;
+  }
   return {
     id: room.id,
     name: map.data.name,
-    owner: host.display_name,
+    owner: hostName,
     difficulty: room.difficulty,
     players: players.length,
     limit: room.player_limit,
diff --git a/lib/linear-support-client.ts b/lib/linear-support-client.ts
index 14ade01..309f275 100644
--- a/lib/linear-support-client.ts
+++ b/lib/linear-support-client.ts
@@ -3,7 +3,14 @@ import {
   type BugReportRecord,
 } from "../shared/bug-reports";
 
-type Issue = { id: string; identifier: string; team: { id: string } };
+type Issue = {
+  id: string;
+  identifier: string;
+  team: { id: string };
+  state?: { id: string; name: string; type: string };
+  completedAt?: string | null;
+};
+export class LinearPermissionError extends Error {}
 export class LinearSupportClient {
   constructor(
     private key: string,
@@ -34,13 +41,26 @@ export class LinearSupportClient {
       )
     )
       return null;
+    if (
+      response.status === 401 ||
+      response.status === 403 ||
+      result.errors?.some(
+        (error: { message?: string; extensions?: { code?: string } }) =>
+          /forbidden|permission|authentication|unauthorized/i.test(
+            `${error.extensions?.code ?? ""} ${error.message ?? ""}`,
+          ),
+      )
+    )
+      throw new LinearPermissionError(
+        "Support delivery is temporarily unavailable. Check Linear Write permission.",
+      );
     if (!response.ok || result.errors?.length || !result.data)
       throw new Error("Support delivery is temporarily unavailable");
     return result.data;
   }
   async issue(id: string): Promise<Issue | null> {
     const data = await this.graphql<{ issue: Issue }>(
-      "query SupportIssue($id: String!) { issue(id: $id) { id identifier team { id } } }",
+      "query SupportIssue($id: String!) { issue(id: $id) { id identifier team { id } state { id name type } completedAt } }",
       { id },
       true,
     );
@@ -49,6 +69,47 @@ export class LinearSupportClient {
       throw new Error("Support issue team mismatch");
     return issue;
   }
+  async done(id: string) {
+    const issue = await this.issue(id);
+    if (!issue) throw new Error("Support issue was not found");
+    if (
+      issue.state?.type === "completed" &&
+      issue.state.name.toLowerCase() === "done"
+    )
+      return;
+    const data = await this.graphql<{
+      team: { states: { nodes: { id: string; name: string; type: string }[] } };
+    }>(
+      "query SupportDoneState($team: String!) { team(id:$team) { states { nodes { id name type } } } }",
+      { team: this.team },
+    );
+    const state = data?.team.states.nodes.find(
+      (s) => s.type === "completed" && s.name.toLowerCase() === "done",
+    );
+    if (!state)
+      throw new Error("The support team needs a Done workflow status");
+    const result = await this.graphql<{
+      issueUpdate: { success: boolean; issue: Issue };
+    }>(
+      "mutation SupportDone($id: String!, $input: IssueUpdateInput!) { issueUpdate(id:$id,input:$input) { success issue { id state { id name type } } } }",
+      { id, input: { stateId: state.id } },
+    );
+    if (
+      !result?.issueUpdate.success ||
+      result.issueUpdate.issue.id !== id ||
+      result.issueUpdate.issue.state?.id !== state.id
+    )
+      throw new Error("Support issue status was not confirmed");
+  }
+  async remove(id: string) {
+    if (!(await this.issue(id))) return;
+    const result = await this.graphql<{ issueDelete: { success: boolean } }>(
+      "mutation SupportDelete($id: String!) { issueDelete(id:$id) { success } }",
+      { id },
+    );
+    if (!result?.issueDelete.success)
+      throw new Error("Support issue deletion was not confirmed");
+  }
   async createIssue(report: BugReportRecord): Promise<Issue> {
     const existing = await this.issue(report.id);
     if (existing) return existing;
@@ -65,6 +126,7 @@ export class LinearSupportClient {
       "",
       "Reply to the player with #player-report-send followed by your message.",
       "Grant or remove the username reward with #player-report-glow grant or #player-report-glow revoke.",
+      "Close this report with #player-report-close or move the issue to Done. Closed reports and issues are deleted after three days.",
       `Report reference: ${report.id}`,
     ].join("\n");
     try {
diff --git a/lib/multiplayer-api.ts b/lib/multiplayer-api.ts
index 2aefcf9..0028953 100644
--- a/lib/multiplayer-api.ts
+++ b/lib/multiplayer-api.ts
@@ -61,30 +61,22 @@ export async function multiplayerApi(
     return response;
   };
   if (request.method === "POST" && path.length === 1) {
+    const account = await user();
+    if (!account)
+      throw new ServiceError("Log in to create a multiplayer room", 401);
     const body = createRoomSchema.parse(await jsonBody(request));
     await limit("multiplayer:create:" + accessHash, 20, 3600);
-    const account = await user();
-    if (account) await accountProfile(account);
+    const profile = await accountProfile(account);
     const id = required(
       await client.rpc("create_map_room", {
         p_dataset: body.datasetId,
         p_difficulty: body.difficulty,
-        p_name: body.displayName,
+        p_name: profile.display_name,
         p_limit: body.playerLimit,
         p_access_hash: accessHash,
-        p_owner: account?.id ?? null,
+        p_owner: account.id,
       }),
     );
-    if (account)
-      required(
-        await client
-          .from("multiplayer_players")
-          .update({ account_id: account.id })
-          .eq("room_id", id)
-          .eq("access_hash", accessHash)
-          .is("account_id", null)
-          .select("id"),
-      );
     return respond({ id });
   }
   const id = z.string().uuid().parse(path[1]);
@@ -151,11 +143,18 @@ export async function multiplayerApi(
     });
   }
   let payload: Record<string, string | number> = {};
+  let joiningAccount: string | null = null;
   if (request.method === "POST" && path.length === 3) {
     const input = await jsonBody(request);
     if (action === "join") {
       payload = { name: joinRoomSchema.parse(input).displayName };
       await limit("multiplayer:join:" + accessHash, 40, 3600);
+      const account = await user();
+      if (account) {
+        const profile = await accountProfile(account);
+        payload.name = profile.display_name;
+        joiningAccount = account.id;
+      }
     } else if (action === "guess") payload = roomGuessSchema.parse(input);
     else if (action === "ready" || action === "next")
       payload = roomRoundSchema.parse(input);
@@ -172,12 +171,19 @@ export async function multiplayerApi(
     return NextResponse.json({ error: "Not found" }, { status: 404 });
 
   const room = required(
-    await client.rpc("multiplayer_action", {
-      p_room: id,
-      p_access_hash: accessHash,
-      p_action: request.method === "GET" ? "view" : action,
-      p_payload: payload,
-    }),
+    action === "join"
+      ? await client.rpc("join_multiplayer_room", {
+          p_room: id,
+          p_access_hash: accessHash,
+          p_owner: joiningAccount,
+          p_name: String(payload.name),
+        })
+      : await client.rpc("multiplayer_action", {
+          p_room: id,
+          p_access_hash: accessHash,
+          p_action: request.method === "GET" ? "view" : action,
+          p_payload: payload,
+        }),
   ) as unknown as RoomView;
   if (room.status === "closed") {
     try {
@@ -186,22 +192,6 @@ export async function multiplayerApi(
       console.error("Closed Discord party remains queued for cleanup.");
     }
   }
-  if (action === "join" && room.you) {
-    const account = await user();
-    if (account) {
-      await accountProfile(account);
-      required(
-        await client
-          .from("multiplayer_players")
-          .update({ account_id: account.id })
-          .eq("id", room.you)
-          .eq("room_id", id)
-          .eq("access_hash", accessHash)
-          .is("account_id", null)
-          .select("id"),
-      );
-    }
-  }
   if (action !== "media") {
     const appearances = await multiplayerAppearance(
       id,
diff --git a/lib/support-sync.ts b/lib/support-sync.ts
index ea2dcb8..0d9642b 100644
--- a/lib/support-sync.ts
+++ b/lib/support-sync.ts
@@ -3,6 +3,7 @@ import { randomUUID } from "node:crypto";
 import { after } from "next/server";
 import { admin, required } from "./supabase";
 import { LinearSupportClient } from "./linear-support-client";
+import { scheduleBugCleanup } from "./bug-lifecycle";
 
 export function supportReady() {
   return !!(
@@ -58,13 +59,20 @@ export async function syncBugReport(id: string) {
           .update({
             issue_synced: true,
             linear_identifier: issue.identifier,
-            state: "open",
           })
           .eq("id", id)
           .eq("lease_owner", worker)
           .select("id")
           .single(),
       );
+      required(
+        await db
+          .from("bug_reports")
+          .update({ state: "open" })
+          .eq("id", id)
+          .eq("state", "pending")
+          .select("id"),
+      );
     }
     required(
       await db
@@ -102,6 +110,7 @@ export async function syncBugReport(id: string) {
         .eq("lease_owner", worker)
         .select("id"),
     );
+    await scheduleBugCleanup(id);
   } catch {
     console.error("Bug report delivery paused; the saved report will retry.");
     required(
diff --git a/scripts/test-bug-reports-sql.mjs b/scripts/test-bug-reports-sql.mjs
index b993a00..7ca39c9 100644
--- a/scripts/test-bug-reports-sql.mjs
+++ b/scripts/test-bug-reports-sql.mjs
@@ -248,6 +248,133 @@ try {
   ).rows[0];
   assert.equal(claimed.bug_finder, true);
   assert.equal(claimed.name_glow, false);
+  const closeEvent = randomUUID();
+  await db.query("select public.receive_bug_close($1,$2)", [
+    report,
+    closeEvent,
+  ]);
+  let closed = (
+    await db.query("select * from public.bug_reports where id=$1", [report])
+  ).rows[0];
+  assert.equal(closed.state, "done");
+  assert.equal(
+    new Date(closed.delete_after) - new Date(closed.closed_at),
+    3 * 86400000,
+  );
+  await db.query("select public.set_bug_report_done($1,true,null)", [report]);
+  assert.equal(
+    String(
+      (
+        await db.query("select closed_at from public.bug_reports where id=$1", [
+          report,
+        ])
+      ).rows[0].closed_at,
+    ),
+    String(closed.closed_at),
+    "repeat close preserves deadline",
+  );
+  assert.equal(
+    (
+      await db.query("select public.begin_bug_purge($1,$2) as ok", [
+        report,
+        closed.closed_at,
+      ])
+    ).rows[0].ok,
+    false,
+    "cannot purge before three days",
+  );
+  await assert.rejects(
+    db.query(
+      "insert into public.bug_report_messages(report_id,kind,body,author_name) values($1,'user','new message','Guest')",
+      [report],
+    ),
+    /Done/,
+  );
+  await db.query("select public.set_bug_report_done($1,false,null)", [report]);
+  assert.equal(
+    (
+      await db.query("select public.receive_bug_close($1,$2) as ok", [
+        report,
+        closeEvent,
+      ])
+    ).rows[0].ok,
+    false,
+    "replayed close command cannot reclose a reopened report",
+  );
+  await db.query(
+    "select public.set_bug_report_done($1,true,clock_timestamp()-interval '4 days')",
+    [report],
+  );
+  closed = (
+    await db.query("select * from public.bug_reports where id=$1", [report])
+  ).rows[0];
+  assert.equal(
+    (
+      await db.query("select public.begin_bug_purge($1,$2) as ok", [
+        report,
+        closed.closed_at,
+      ])
+    ).rows[0].ok,
+    false,
+    "Linear completion must be confirmed",
+  );
+  await db.query(
+    "update public.bug_reports set linear_done_synced=true where id=$1",
+    [report],
+  );
+  assert.equal(
+    (
+      await db.query("select public.begin_bug_purge($1,$2) as ok", [
+        report,
+        closed.closed_at,
+      ])
+    ).rows[0].ok,
+    true,
+  );
+  assert.equal(
+    (
+      await db.query("select public.set_bug_report_done($1,false,null) as ok", [
+        report,
+      ])
+    ).rows[0].ok,
+    false,
+    "cannot reopen midway through irreversible purge",
+  );
+  await db.query("select public.finish_bug_purge($1,$2)", [
+    report,
+    closed.closed_at,
+  ]);
+  assert.equal(
+    (
+      await db.query(
+        "select count(*)::int as n from public.bug_report_messages where report_id=$1",
+        [report],
+      )
+    ).rows[0].n,
+    0,
+    "messages cascade on purge",
+  );
+  assert.equal(
+    (
+      await db.query("select bug_finder from public.profiles where id=$1", [
+        account,
+      ])
+    ).rows[0].bug_finder,
+    true,
+    "account recognition survives report deletion",
+  );
+  for (const role of ["anon", "authenticated"]) {
+    await db.exec(`set role ${role}`);
+    await assert.rejects(
+      db.query("select public.set_bug_report_done($1,true,null)", [guest]),
+      /permission denied/,
+    );
+    await assert.rejects(
+      db.query("select public.finish_bug_purge($1,now())", [guest]),
+      /permission denied/,
+    );
+    await db.exec("reset role");
+  }
   console.log(
     "Bug report SQL passed: private tables, lease retries, guest claims, staff reply deduplication, grant/revoke rewards and privilege isolation.",
   );
diff --git a/scripts/test-bug-retention-http.mjs b/scripts/test-bug-retention-http.mjs
new file mode 100644
index 0000000..166ad42
--- /dev/null
+++ b/scripts/test-bug-retention-http.mjs
@@ -0,0 +1,146 @@
+import assert from "node:assert/strict";
+import { randomUUID } from "node:crypto";
+import { mkdir, writeFile } from "node:fs/promises";
+import { createClient } from "@supabase/supabase-js";
+import sharp from "sharp";
+process.loadEnvFile(".env.local");
+const origin = new URL(process.argv[2] || "https://minegeo.vercel.app").origin;
+const db = createClient(
+  process.env.NEXT_PUBLIC_SUPABASE_URL,
+  process.env.SUPABASE_SECRET_KEY,
+  { auth: { persistSession: false, autoRefreshToken: false } },
+);
+const checked = (r) => {
+  if (r.error) throw new Error(r.error.message);
+  return r.data;
+};
+const cookies = new Map();
+let id;
+await mkdir(".data/retention-check", { recursive: true });
+async function api(path, body, expected = 200, stranger = false) {
+  const response = await fetch(`${origin}/api/v1/bug-reports${path}`, {
+    method: body === undefined ? "GET" : "POST",
+    headers: {
+      origin,
+      "content-type": "application/json",
+      cookie: stranger
+        ? ""
+        : [...cookies].map(([k, v]) => `${k}=${v}`).join("; "),
+    },
+    ...(body === undefined ? {} : { body: JSON.stringify(body) }),
+    signal: AbortSignal.timeout(60000),
+  });
+  if (!stranger)
+    for (const cookie of response.headers.getSetCookie()) {
+      const part = cookie.split(";")[0],
+        at = part.indexOf("=");
+      cookies.set(part.slice(0, at), part.slice(at + 1));
+    }
+  const result = await response.json();
+  assert.equal(response.status, expected, `${path}: ${JSON.stringify(result)}`);
+  return result;
+}
+async function row() {
+  return checked(
+    await db.from("bug_reports").select("*").eq("id", id).maybeSingle(),
+  );
+}
+async function waitFor(predicate, label) {
+  for (let n = 0; n < 40; n++) {
+    const current = await row();
+    if (predicate(current)) return current;
+    if (current?.cleanup_error) throw new Error(current.cleanup_error);
+    await new Promise((r) => setTimeout(r, 3000));
+  }
+  throw new Error(`Timed out: ${label}`);
+}
+assert.equal((await api("")).ready, true);
+const created = await api("", {
+  clientId: randomUUID(),
+  title: `[Verification] Retention ${randomUUID()}`,
+  description:
+    "Automated temporary verification fixture for three-day report retention. This is not a real player bug.",
+  displayName: "Support verification",
+  pagePath: "/support",
+  screenshot: true,
+});
+id = created.id;
+await writeFile(
+  ".data/retention-check/fixture.json",
+  JSON.stringify({ id, cookies: [...cookies] }),
+);
+const image = await sharp({
+  create: { width: 8, height: 8, channels: 3, background: "#334455" },
+})
+  .png()
+  .toBuffer();
+assert.equal(
+  (
+    await fetch(created.upload, {
+      method: "PUT",
+      headers: { "content-type": "image/png" },
+      body: image,
+    })
+  ).ok,
+  true,
+);
+await api(`/${id}/submit`, {});
+await waitFor((r) => r?.issue_synced, "Linear issue creation");
+await api(`/${id}/close`, {}, 404, true);
+const closed = await api(`/${id}/close`, {});
+assert.equal(closed.state, "done");
+assert.equal(
+  Date.parse(closed.delete_after) - Date.parse(closed.closed_at),
+  3 * 86400000,
+);
+assert.equal((await api(`/${id}/close`, {})).delete_after, closed.delete_after);
+await api(
+  `/${id}/messages`,
+  { clientId: randomUUID(), text: "Blocked after closure" },
+  409,
+);
+await waitFor((r) => r?.linear_done_synced, "Linear Done status");
+console.log(
+  JSON.stringify({
+    fixture: id,
+    checkpoint: "Done synchronized; three-day deadline and ownership verified",
+  }),
+);
+// Accelerate only this journaled verification fixture; no real report is modified.
+const backdated = new Date(Date.now() - 3 * 86400000 - 60000).toISOString();
+checked(
+  await db
+    .from("bug_reports")
+    .update({
+      closed_at: backdated,
+      delete_after: new Date(Date.now() - 60000).toISOString(),
+      cleanup_run_id: null,
+      cleanup_lease_until: null,
+      status_checked_at: new Date().toISOString(),
+    })
+    .eq("id", id)
+    .like("title", "[Verification] Retention %"),
+);
+await api(`/${id}/retry-cleanup`, {});
+await waitFor((r) => r === null, "both-system deletion");
+assert.equal(
+  checked(await db.from("bug_report_messages").select("id").eq("report_id", id))
+    .length,
+  0,
+);
+assert.equal(
+  checked(await db.storage.from("minegeo-support").list(id)).length,
+  0,
+);
+await api(`/${id}`, undefined, 404);
+await writeFile(
+  ".data/retention-check/fixture.json",
+  JSON.stringify({ id, deleted: true }),
+);
+console.log(
+  JSON.stringify({
+    fixture: id,
+    checkpoint:
+      "Expired report, messages, screenshots and Linear issue deleted",
+  }),
+);
diff --git a/scripts/test-discord-http.mjs b/scripts/test-discord-http.mjs
index bd37455..bb55b1e 100644
--- a/scripts/test-discord-http.mjs
+++ b/scripts/test-discord-http.mjs
@@ -112,18 +112,21 @@ try {
       .limit(1)
       .single(),
   );
-  const host = session(),
+  const host = await account("contributor"),
     friend = session(),
     outsider = session();
   const created = await host("rooms", {
     datasetId: dataset.id,
     difficulty: "normal",
-    displayName: "Discord host fixture",
     playerLimit: 4,
   });
   rooms.push(created.id);
   await journal();
   const room = await host(`rooms/${created.id}`);
+  assert.equal(
+    room.players.find((p) => p.id === room.hostId).name,
+    "Discord contributor fixture",
+  );
   assert.equal(typeof room.discord.available, "boolean");
   assert.equal(room.discord.state, null);
   await outsider(`rooms/${created.id}/discord`, {}, "POST", 403);
diff --git a/scripts/test-multiplayer-browser.mjs b/scripts/test-multiplayer-browser.mjs
index 92b7138..12c0314 100644
--- a/scripts/test-multiplayer-browser.mjs
+++ b/scripts/test-multiplayer-browser.mjs
@@ -1,4 +1,5 @@
 import assert from "node:assert/strict";
+import { randomUUID, randomBytes } from "node:crypto";
 import fs from "node:fs";
 import { chromium, expect } from "@playwright/test";
 import { createClient } from "@supabase/supabase-js";
@@ -9,7 +10,8 @@ const db = createClient(
   process.env.SUPABASE_SECRET_KEY,
   { auth: { persistSession: false, autoRefreshToken: false } },
 );
-const rooms = [];
+const rooms = [],
+  accounts = [];
 const browser = await chromium.launch({
   headless: true,
   args: ["--use-angle=swiftshader", "--enable-unsafe-swiftshader"],
@@ -34,6 +36,21 @@ try {
   });
   const host = await desktop.newPage(),
     friend = await mobile.newPage();
+  const email = `multiplayer-browser-${randomUUID()}@example.com`,
+    password = randomBytes(24).toString("base64url");
+  const fixture = await db.auth.admin.createUser({
+    email,
+    password,
+    email_confirm: true,
+    user_metadata: { display_name: "Browser Host" },
+  });
+  if (fixture.error) throw fixture.error;
+  accounts.push(fixture.data.user.id);
+  const loggedIn = await desktop.request.post(`${origin}/api/v1/auth`, {
+    headers: { origin },
+    data: { action: "login", email, password },
+  });
+  assert.equal(loggedIn.status(), 200);
   const pageErrors = [];
   for (const page of [host, friend])
     page.on("pageerror", (error) => pageErrors.push(error.message));
@@ -42,7 +59,10 @@ try {
     timeout: 60000,
   });
   await host.getByRole("button", { name: "Multiplayer", exact: true }).click();
-  await host.getByLabel("Your player name").fill("Browser Host");
+  await expect(host.locator(".multiplayer-settings")).toContainText(
+    "Browser Host",
+  );
+  await expect(host.getByLabel("Your player name")).toHaveCount(0);
   await host.getByLabel("Player limit (including you)").selectOption("2");
   await host
     .getByRole("button", { name: "Create multiplayer room", exact: true })
@@ -248,4 +268,10 @@ try {
     if (error)
       throw new Error(`Browser test-room cleanup failed: ${error.message}`);
   }
+  for (const id of accounts) {
+    const profile = await db.from("profiles").delete().eq("id", id);
+    if (profile.error) throw profile.error;
+    const account = await db.auth.admin.deleteUser(id);
+    if (account.error) throw account.error;
+  }
 }
diff --git a/scripts/test-multiplayer-http.mjs b/scripts/test-multiplayer-http.mjs
index 3654c05..af379b5 100644
--- a/scripts/test-multiplayer-http.mjs
+++ b/scripts/test-multiplayer-http.mjs
@@ -1,6 +1,7 @@
 import assert from "node:assert/strict";
-import { randomUUID } from "node:crypto";
+import { randomUUID, randomBytes } from "node:crypto";
 import { existsSync } from "node:fs";
+import { mkdir, writeFile } from "node:fs/promises";
 import { createClient } from "@supabase/supabase-js";
 if (existsSync(".env.local")) process.loadEnvFile(".env.local");
 const origin = new URL(process.argv[2] || "http://127.0.0.1:3007").origin;
@@ -9,9 +10,20 @@ const db = createClient(
   process.env.SUPABASE_SECRET_KEY,
   { auth: { persistSession: false, autoRefreshToken: false } },
 );
-const rooms = [];
+const rooms = [],
+  accounts = [];
+await mkdir(".data/multiplayer-check", { recursive: true });
+const journal = () =>
+  writeFile(
+    ".data/multiplayer-check/http-fixtures.json",
+    JSON.stringify({ rooms, accounts }),
+  );
+const checked = (result) => {
+  if (result.error) throw new Error(result.error.message);
+  return result.data;
+};
 function player() {
-  let cookie;
+  const cookies = new Map();
   return async (path, body, expected = 200) => {
     const response = await fetch(`${origin}/api/v1/${path}`, {
       method: body === undefined ? "GET" : "POST",
@@ -19,35 +31,88 @@ function player() {
         ...(body === undefined
           ? {}
           : { origin, "content-type": "application/json" }),
-        ...(cookie ? { cookie } : {}),
+        cookie: [...cookies]
+          .map(([key, value]) => `${key}=${value}`)
+          .join("; "),
       },
       body: body === undefined ? undefined : JSON.stringify(body),
       signal: AbortSignal.timeout(30000),
     });
-    if (response.headers.get("set-cookie"))
-      cookie = response.headers.get("set-cookie").split(";")[0];
+    for (const cookie of response.headers.getSetCookie()) {
+      const part = cookie.split(";")[0],
+        at = part.indexOf("=");
+      cookies.set(part.slice(0, at), part.slice(at + 1));
+    }
     const data = await response.json();
     assert.equal(response.status, expected, JSON.stringify({ path, data }));
     assert.match(response.headers.get("cache-control"), /no-store/);
     return data;
   };
 }
+async function account(displayName) {
+  const email = `multiplayer-check-${randomUUID()}@example.com`,
+    password = randomBytes(24).toString("base64url");
+  const { user } = checked(
+    await db.auth.admin.createUser({
+      email,
+      password,
+      email_confirm: true,
+      user_metadata: { display_name: "Stale metadata name" },
+    }),
+  );
+  accounts.push(user.id);
+  await journal();
+  checked(
+    await db
+      .from("profiles")
+      .insert({ id: user.id, display_name: displayName }),
+  );
+  const api = player();
+  await api("auth", { action: "login", email, password });
+  return api;
+}
 try {
-  const host = player(),
+  const host = await account("HTTP Host"),
     friend = player(),
     outsider = player();
   const catalog = await host("catalog");
   const datasetId = catalog.maps[0]?.id;
   assert.ok(datasetId, "A published map is required");
+  await outsider(
+    "rooms",
+    { datasetId, difficulty: "normal", playerLimit: 2 },
+    401,
+  );
+  await host(
+    "rooms",
+    {
+      datasetId,
+      difficulty: "hard",
+      playerLimit: 2,
+      displayName: "Forged host",
+    },
+    400,
+  );
   const created = await host("rooms", {
     datasetId,
     difficulty: "hard",
-    displayName: "HTTP Host",
     playerLimit: 2,
   });
   rooms.push(created.id);
+  await journal();
   const path = `rooms/${created.id}`;
   const hostView = await host(path);
+  assert.equal(
+    hostView.players.find((p) => p.id === hostView.hostId).name,
+    "HTTP Host",
+    "host uses stored profile, not stale auth metadata",
+  );
+  const rejoined = await host(`${path}/join`, { displayName: "Forged host" });
+  assert.equal(
+    rejoined.players.find((p) => p.id === rejoined.hostId).name,
+    "HTTP Host",
+    "host rejoin cannot rename the account",
+  );
   const preview = await outsider(path);
   assert.equal(preview.you, null);
   assert.deepEqual(preview.rounds, []);
@@ -187,14 +252,14 @@ try {
     403,
   );
   assert.equal(results.rounds.flatMap((round) => round.results).length, 10);
-  const capacityHost = player();
+  const capacityHost = await account("Capacity Host");
   const full = await capacityHost("rooms", {
     datasetId,
     difficulty: "normal",
-    displayName: "Capacity Host",
     playerLimit: 16,
   });
   rooms.push(full.id);
+  await journal();
   await Promise.all(
     Array.from({ length: 14 }, (_, i) =>
       player()(`rooms/${full.id}/join`, { displayName: `Capacity ${i + 2}` }),
@@ -212,6 +277,11 @@ try {
   const rejection = attempts.find((result) => result.status === "rejected");
   assert.match(rejection.reason.message, /This room is full/);
   assert.equal((await capacityHost(`rooms/${full.id}`)).playerCount, 16);
+  assert.equal(
+    (await capacityHost(`rooms/${full.id}/leave`, {})).status,
+    "closed",
+    "guests cannot become party hosts",
+  );
   console.log(
     "Multiplayer HTTP smoke passed: private room chat, trusted sender names, validation, concurrent-send throttling, retries, revoked membership, five shared rounds, signed media, and simultaneous 16-player capacity checks.",
   );
@@ -223,5 +293,13 @@ try {
       .in("id", rooms);
     if (error)
       throw new Error(`Multiplayer test-room cleanup failed: ${error.message}`);
+    rooms.length = 0;
+    await journal();
   }
+  for (const id of accounts) {
+    checked(await db.from("profiles").delete().eq("id", id));
+    checked(await db.auth.admin.deleteUser(id));
+  }
+  accounts.length = 0;
+  await journal();
 }
diff --git a/scripts/test-multiplayer-sql.mjs b/scripts/test-multiplayer-sql.mjs
index 322ed9c..57f1e5e 100644
--- a/scripts/test-multiplayer-sql.mjs
+++ b/scripts/test-multiplayer-sql.mjs
@@ -65,6 +65,107 @@ try {
       ])
     ).rows[0].room;
   }
+  await db.query(
+    "insert into public.profiles(id,display_name) values($1,'Account host')",
+    [account],
+  );
+  const secondAccount = (
+    await db.query(
+      "insert into auth.users values(gen_random_uuid()) returning id",
+    )
+  ).rows[0].id;
+  await db.query(
+    "insert into public.profiles(id,display_name) values($1,'Account friend')",
+    [secondAccount],
+  );
+  const accountRoom = async () =>
+    (
+      await db.query(
+        "select public.create_map_room($1,'normal','Forged host',4,$2,$3) as id",
+        [dataset, secret(1), account],
+      )
+    ).rows[0].id;
+  await assert.rejects(
+    db.query(
+      "select public.create_map_room($1,'normal','Guest host',4,$2,null)",
+      [dataset, secret(4)],
+    ),
+    /Log in to create/,
+  );
+  const identityRoom = await accountRoom();
+  const identityHost = (await act(identityRoom, 1)).players[0];
+  assert.equal(
+    identityHost.name,
+    "Account host",
+    "SQL ignores a forged host nickname",
+  );
+  assert.equal(
+    (
+      await db.query(
+        "select account_id from public.multiplayer_players where id=$1",
+        [identityHost.id],
+      )
+    ).rows[0].account_id,
+    account,
+    "host linked atomically",
+  );
+  await act(identityRoom, 2, "join", { name: "Guest first" });
+  await db.query(
+    "select public.join_multiplayer_room($1,$2,$3,'Forged friend')",
+    [identityRoom, secret(3), secondAccount],
+  );
+  let identityView = await act(identityRoom, 3);
+  assert.equal(
+    identityView.players.find((p) => p.id === identityView.you).name,
+    "Account friend",
+    "signed-in join ignores a forged nickname",
+  );
+  await act(identityRoom, 1, "leave");
+  identityView = await act(identityRoom, 3);
+  assert.equal(
+    identityView.hostId,
+    identityView.you,
+    "host transfer skips a guest for an account",
+  );
+  await act(identityRoom, 3, "leave");
+  assert.equal(
+    (await act(identityRoom, 2)).status,
+    "closed",
+    "guest-only party closes when host leaves",
+  );
+  const guestOnly = await accountRoom();
+  await db.query(
+    "select public.join_multiplayer_room($1,$2,null,'Guest custom nickname')",
+    [guestOnly, secret(2)],
+  );
+  const guestView = await act(guestOnly, 2);
+  assert.equal(
+    guestView.players.find((p) => p.id === guestView.you)?.name,
+    "Guest custom nickname",
+  );
+  const cleanupEvent = (
+    await db.query("select public.publish_discord_party($1,$2) as id", [
+      guestOnly,
+      secret(1),
+    ])
+  ).rows[0].id;
+  await db.query(
+    "update public.discord_announcements set state='sent',channel_id='123456789012345678',message_id='123456789012345679' where id=$1",
+    [cleanupEvent],
+  );
+  await act(guestOnly, 1, "leave");
+  assert.ok(
+    (
+      await db.query(
+        "select closed_at from public.discord_announcements where id=$1",
+        [cleanupEvent],
+      )
+    ).rows[0].closed_at,
+    "guest-only host departure also queues Discord cleanup",
+  );
+  console.log(
+    "Multiplayer SQL account identity: forged names rejected, guest joins retained, authenticated transfer and guest-only closure verified.",
+  );
   for (const cap of [1, 17, null])
     await assert.rejects(create(cap), /Choose between 2 and 16 players/);
   const room = await create();
@@ -255,6 +356,15 @@ try {
   await assert.rejects(chat(capacity, 16), /Chat permission/);
   assert.equal((await act(capacity, 16)).you, null);
   await act(capacity, 17, "join", { name: "Replacement" });
+  const nextHost = (await act(capacity, 2)).you;
+  await db.query(
+    "insert into public.profiles(id,display_name) values($1,'Next host') on conflict(id) do nothing",
+    [account],
+  );
+  await db.query(
+    "update public.multiplayer_players set account_id=$1 where id=$2",
+    [account, nextHost],
+  );
   await act(capacity, 1, "leave");
   await assert.rejects(
     chat(capacity, 1, "Left", randomUUID()),
diff --git a/scripts/test-profile-appearance-browser.mjs b/scripts/test-profile-appearance-browser.mjs
index b1e50d3..22c36b9 100644
--- a/scripts/test-profile-appearance-browser.mjs
+++ b/scripts/test-profile-appearance-browser.mjs
@@ -231,7 +231,6 @@ try {
     await api(player.context, "rooms", {
       datasetId: map.id,
       difficulty: "easy",
-      displayName: "Temporary host alias",
       playerLimit: 3,
     })
   ).id;
diff --git a/shared/bug-reports.ts b/shared/bug-reports.ts
index 4ecbe46..4ef9e9c 100644
--- a/shared/bug-reports.ts
+++ b/shared/bug-reports.ts
@@ -41,7 +41,15 @@ export type BugReportRecord = {
   title: string;
   description: string;
   page_path: string;
-  state: "draft" | "pending" | "open";
+  state: "draft" | "pending" | "open" | "done";
+  closed_at?: string | null;
+  delete_after?: string | null;
+  linear_done_synced?: boolean;
+  cleanup_run_id?: string | null;
+  cleanup_lease_until?: string | null;
+  cleanup_error?: string | null;
+  purge_started_at?: string | null;
+  status_checked_at?: string | null;
   screenshot_expected: boolean;
   screenshot_path: string | null;
   linear_asset_url: string | null;
@@ -76,6 +84,10 @@ export type BugReportView = Pick<
   | "linear_identifier"
   | "glow_requested"
   | "created_at"
+  | "closed_at"
+  | "delete_after"
+  | "linear_done_synced"
+  | "cleanup_error"
 > & {
   screenshot: string | null;
   isGuest: boolean;
@@ -88,8 +100,10 @@ export type BugReportView = Pick<
 };
 export type SupportCommand =
   | { kind: "reply"; text: string }
-  | { kind: "glow"; enabled: boolean };
+  | { kind: "glow"; enabled: boolean }
+  | { kind: "close" };
 export function supportCommand(body: string): SupportCommand | null {
+  if (body.trim() === "#player-report-close") return { kind: "close" };
   const reply = /^#player-report-send\s+([\s\S]+)$/.exec(body.trim());
   if (reply) {
     const parsed = text(1, 6000).safeParse(reply[1]);
diff --git a/shared/database.ts b/shared/database.ts
index db2b6aa..ef6ada1 100644
--- a/shared/database.ts
+++ b/shared/database.ts
@@ -702,6 +702,45 @@ export type Database = {
       [_ in never]: never;
     };
     Functions: {
+      receive_bug_close: {
+        Args: { p_report: string; p_external: string };
+        Returns: boolean;
+      };
+      set_bug_report_done: {
+        Args: {
+          p_report: string;
+          p_done: boolean;
+          p_closed_at?: string | null;
+        };
+        Returns: boolean;
+      };
+      claim_bug_cleanup: {
+        Args: { p_report: string; p_worker: string };
+        Returns: import("./bug-reports").BugReportRecord[];
+        SetofOptions: {
+          from: "*";
+          to: "bug_reports";
+          isOneToOne: false;
+          isSetofReturn: true;
+        };
+      };
+      begin_bug_purge: {
+        Args: { p_report: string; p_closed_at: string };
+        Returns: boolean;
+      };
+      finish_bug_purge: {
+        Args: { p_report: string; p_closed_at: string };
+        Returns: boolean;
+      };
+      join_multiplayer_room: {
+        Args: {
+          p_room: string;
+          p_access_hash: string;
+          p_owner: string | null;
+          p_name: string;
+        };
+        Returns: Json;
+      };
       claim_discord_cleanup: {
         Args: { p_worker: string; p_target?: string | null };
         Returns: import("./discord").DiscordAnnouncement[];
diff --git a/shared/locales/ru.json b/shared/locales/ru.json
index 372a82b..ada2d02 100644
--- a/shared/locales/ru.json
+++ b/shared/locales/ru.json
@@ -830,5 +830,16 @@
   "Discord rate limit. Delivery will retry.": "Discord ограничил частоту запросов. Отправка будет повторена.",
   "Discord rejected this notification.": "Discord отклонил это объявление.",
   "Discord did not confirm delivery.": "Discord не подтвердил отправку.",
-  "Discord delivery could not be confirmed. Delivery will retry.": "Не удалось подтвердить отправку в Discord. Она будет повторена."
+  "Discord delivery could not be confirmed. Delivery will retry.": "Не удалось подтвердить отправку в Discord. Она будет повторена.",
+  "Host display name": "Отображаемое имя ведущего",
+  "Log in to create a multiplayer room": "Войдите в аккаунт, чтобы создать комнату",
+  "Done": "Завершено",
+  "Close report": "Закрыть обращение",
+  "Report closed.": "Обращение закрыто.",
+  "This bug report is Done": "Это обращение уже завершено",
+  "Wait for support to receive this report before closing it": "Дождитесь получения обращения поддержкой, прежде чем закрыть его",
+  "This report is closed and will be deleted from MineGeo and Linear after three days.": "Обращение закрыто и будет удалено из MineGeo и Linear через три дня.",
+  "Scheduled deletion": "Дата удаления",
+  "Syncing Done status with Linear…": "Синхронизируем статус «Завершено» с Linear…",
+  "Support cleanup paused. The support team may need to update Linear permissions.": "Удаление обращения приостановлено. Поддержке может потребоваться обновить права доступа к Linear."
 }
diff --git a/shared/multiplayer.ts b/shared/multiplayer.ts
index 06113d7..17cb6dd 100644
--- a/shared/multiplayer.ts
+++ b/shared/multiplayer.ts
@@ -2,12 +2,13 @@ import { z } from "zod";
 import { displayNameSchema } from "./account";
 import type { Bounds, Difficulty } from "./protocol";
 
-export const createRoomSchema = z.object({
-  datasetId: z.string().uuid(),
-  difficulty: z.enum(["easy", "normal", "hard"]),
-  displayName: displayNameSchema,
-  playerLimit: z.number().int().min(2).max(16),
-});
+export const createRoomSchema = z
+  .object({
+    datasetId: z.string().uuid(),
+    difficulty: z.enum(["easy", "normal", "hard"]),
+    playerLimit: z.number().int().min(2).max(16),
+  })
+  .strict();
 export const joinRoomSchema = z.object({ displayName: displayNameSchema });
 export const chatMessageSchema = z.object({
   clientId: z.string().uuid(),
diff --git a/supabase/migrations/20261010053310_bug_report_retention.sql b/supabase/migrations/20261010053310_bug_report_retention.sql
new file mode 100644
index 0000000..417c0d7
--- /dev/null
+++ b/supabase/migrations/20261010053310_bug_report_retention.sql
@@ -0,0 +1,80 @@
+alter table public.bug_reports drop constraint bug_reports_state_check;
+alter table public.bug_reports add constraint bug_reports_state_check check(state in ('draft','pending','open','done'));
+alter table public.bug_reports
+  add column closed_at timestamptz,
+  add column delete_after timestamptz,
+  add column linear_done_synced boolean not null default false,
+  add column cleanup_run_id text,
+  add column cleanup_lease_until timestamptz,
+  add column cleanup_error text,
+  add column purge_started_at timestamptz,
+  add column status_checked_at timestamptz;
+create index bug_reports_cleanup on public.bug_reports(delete_after) where state='done';
+
+create function public.set_bug_report_done(p_report uuid,p_done boolean,p_closed_at timestamptz default null)
+returns boolean language plpgsql security invoker set search_path='' as $$
+declare report public.bug_reports; finished timestamptz;
+begin
+  select * into report from public.bug_reports where id=p_report and state<>'draft' for update;
+  if not found or report.purge_started_at is not null then return false; end if;
+  if p_done then
+    finished=coalesce(report.closed_at,least(coalesce(p_closed_at,clock_timestamp()),clock_timestamp()));
+    update public.bug_reports set state='done',closed_at=finished,delete_after=finished+interval '3 days',updated_at=clock_timestamp()
+      where id=p_report;
+  elsif report.state='done' then
+    update public.bug_reports set state='open',closed_at=null,delete_after=null,linear_done_synced=false,
+      cleanup_run_id=null,cleanup_lease_until=null,cleanup_error=null,updated_at=clock_timestamp() where id=p_report;
+  end if;
+  return true;
+end; $$;
+
+create function public.claim_bug_cleanup(p_report uuid,p_worker text)
+returns setof public.bug_reports language sql security invoker set search_path='' as $$
+  update public.bug_reports set cleanup_run_id=p_worker,cleanup_lease_until=clock_timestamp()+interval '3 minutes'
+    where id=p_report and state='done' and closed_at is not null
+      and (cleanup_run_id is null or cleanup_run_id like 'starting:%')
+      and (cleanup_lease_until is null or cleanup_lease_until<clock_timestamp()) returning *;
+$$;
+create function public.begin_bug_purge(p_report uuid,p_closed_at timestamptz)
+returns boolean language plpgsql security invoker set search_path='' as $$
+begin
+  update public.bug_reports set purge_started_at=coalesce(purge_started_at,clock_timestamp())
+    where id=p_report and state='done' and closed_at=p_closed_at and delete_after<=clock_timestamp() and linear_done_synced;
+  return found;
+end; $$;
+create function public.finish_bug_purge(p_report uuid,p_closed_at timestamptz)
+returns boolean language plpgsql security invoker set search_path='' as $$
+begin
+  delete from public.bug_reports where id=p_report and state='done' and closed_at=p_closed_at
+    and delete_after<=clock_timestamp() and purge_started_at is not null;
+  return found;
+end; $$;
+
+-- A closed conversation cannot gain new messages while deletion is in progress.
+create function public.guard_done_bug_message() returns trigger
+language plpgsql security invoker set search_path='' as $$
+begin
+  perform 1 from public.bug_reports where id=new.report_id and purge_started_at is null
+    and (new.kind<>'user' or state<>'done') for share;
+  if not found then raise exception 'This bug report is Done'; end if;
+  return new;
+end; $$;
+create trigger guard_done_bug_message before insert on public.bug_report_messages
+  for each row execute function public.guard_done_bug_message();
+revoke all on function public.set_bug_report_done(uuid,boolean,timestamptz),public.claim_bug_cleanup(uuid,text),
+  public.begin_bug_purge(uuid,timestamptz),public.finish_bug_purge(uuid,timestamptz),public.guard_done_bug_message()
+  from public,anon,authenticated;
+grant execute on function public.set_bug_report_done(uuid,boolean,timestamptz),public.claim_bug_cleanup(uuid,text),
+  public.begin_bug_purge(uuid,timestamptz),public.finish_bug_purge(uuid,timestamptz),public.guard_done_bug_message() to service_role;
+
+create function public.receive_bug_close(p_report uuid,p_external uuid) returns boolean
+language plpgsql security invoker set search_path='' as $$
+begin
+  perform 1 from public.bug_reports where id=p_report and state<>'draft' and purge_started_at is null for update;
+  if not found or exists(select 1 from public.bug_report_messages where external_id=p_external) then return false; end if;
+  insert into public.bug_report_messages(report_id,kind,body,author_name,delivered,external_id)
+    values(p_report,'system','Report closed.','Support',true,p_external);
+  return public.set_bug_report_done(p_report,true,null);
+end; $$;
+revoke all on function public.receive_bug_close(uuid,uuid) from public,anon,authenticated;
+grant execute on function public.receive_bug_close(uuid,uuid) to service_role;
diff --git a/supabase/migrations/20261010053429_multiplayer_account_hosts.sql b/supabase/migrations/20261010053429_multiplayer_account_hosts.sql
new file mode 100644
index 0000000..c0aa643
--- /dev/null
+++ b/supabase/migrations/20261010053429_multiplayer_account_hosts.sql
@@ -0,0 +1,65 @@
+-- Hosting always belongs to an account. The browser cannot choose the host name.
+create or replace function public.create_map_room(p_dataset uuid,p_difficulty text,p_name text,p_limit integer,p_access_hash text,p_owner uuid)
+returns uuid language plpgsql security invoker set search_path='' as $$
+declare rid uuid; revision uuid; pid uuid:=gen_random_uuid(); rev public.revisions; vp jsonb; n integer:=0; account_name text;
+begin
+  select display_name into account_name from public.profiles where id=p_owner;
+  if not found then raise exception 'Log in to create a multiplayer room'; end if;
+  if p_limit is null or p_limit not between 2 and 16 then raise exception 'Choose between 2 and 16 players'; end if;
+  if p_difficulty is null or p_difficulty not in ('easy','normal','hard') then raise exception 'Invalid difficulty'; end if;
+  revision:=public.playable_map_revision(p_dataset,p_owner);
+  select * into rev from public.revisions where id=revision;
+  if not found then raise exception 'Map unavailable'; end if;
+  if coalesce(jsonb_array_length(rev.manifest->'viewpoints'),0)<5 then raise exception 'Map has fewer than five viewpoints'; end if;
+  insert into public.multiplayer_rooms(revision_id,host_player_id,difficulty,player_limit) values(rev.id,pid,p_difficulty,p_limit) returning id into rid;
+  insert into public.multiplayer_players(id,room_id,access_hash,display_name,account_id) values(pid,rid,p_access_hash,account_name,p_owner);
+  for vp in select value from jsonb_array_elements(rev.manifest->'viewpoints') order by random() limit 5 loop
+    insert into public.multiplayer_rounds(room_id,round_number,viewpoint) values(rid,n,vp); n:=n+1;
+  end loop;
+  return rid;
+end; $$;
+
+-- Link signed-in joins within the room lock, before a concurrent host can leave.
+create function public.join_multiplayer_room(p_room uuid,p_access_hash text,p_owner uuid,p_name text)
+returns jsonb language plpgsql security invoker set search_path='' as $$
+declare account_name text; result jsonb;
+begin
+  perform 1 from public.multiplayer_rooms where id=p_room for update;
+  if p_owner is not null then
+    select display_name into account_name from public.profiles where id=p_owner;
+    if not found then raise exception 'Account not found'; end if;
+  else account_name:=p_name;
+  end if;
+  result:=public.multiplayer_action(p_room,p_access_hash,'join',jsonb_build_object('name',account_name));
+  if p_owner is not null then
+    update public.multiplayer_players set account_id=p_owner
+      where room_id=p_room and access_hash=p_access_hash and account_id is null and not has_left;
+  end if;
+  return result;
+end; $$;
+
+-- A departing host can hand the party to another signed-in player, never a guest.
+create function public.ensure_account_party_host() returns trigger
+language plpgsql security invoker set search_path='' as $$
+declare replacement uuid;
+begin
+  if new.host_player_id is not distinct from old.host_player_id or new.status='closed' then return new; end if;
+  if exists(select 1 from public.multiplayer_players p join public.profiles a on a.id=p.account_id
+    where p.id=new.host_player_id and p.room_id=new.id and not p.has_left) then return new; end if;
+  select p.id into replacement from public.multiplayer_players p join public.profiles a on a.id=p.account_id
+    where p.room_id=new.id and not p.has_left order by p.joined_at,p.id limit 1;
+  if replacement is null then
+    new.status:='closed'; new.transition_at:=null;
+  else new.host_player_id:=replacement;
+  end if;
+  return new;
+end; $$;
+create trigger ensure_account_party_host before update of host_player_id on public.multiplayer_rooms
+  for each row execute function public.ensure_account_party_host();
+
+-- Capture a close even when its status was set by the host-transfer trigger.
+create trigger close_transferred_party_discord after update of host_player_id on public.multiplayer_rooms
+  for each row when (new.status='closed') execute function public.close_party_discord();
+
+revoke all on function public.join_multiplayer_room(uuid,text,uuid,text),public.ensure_account_party_host() from public,anon,authenticated;
+grant execute on function public.join_multiplayer_room(uuid,text,uuid,text),public.ensure_account_party_host() to service_role;
diff --git a/tests/bug-reports.test.ts b/tests/bug-reports.test.ts
index 53b4c63..55aa263 100644
--- a/tests/bug-reports.test.ts
+++ b/tests/bug-reports.test.ts
@@ -44,6 +44,8 @@ test("reports exclude arbitrary URLs, secrets in page queries, malformed message
   );
 });
 test("only exact staff prefixes publish replies or explicitly change glow", () => {
+  assert.deepEqual(supportCommand("#player-report-close"), { kind: "close" });
+  assert.equal(supportCommand("#player-report-close everyone"), null);
   assert.deepEqual(supportCommand("#player-report-send Dear User\nThanks!"), {
     kind: "reply",
     text: "Dear User\nThanks!",
diff --git a/tests/bug-retention.test.ts b/tests/bug-retention.test.ts
new file mode 100644
index 0000000..3ce3f56
--- /dev/null
+++ b/tests/bug-retention.test.ts
@@ -0,0 +1,195 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import { purgeClosedBugReport } from "../lib/bug-retention";
+import { LinearSupportClient } from "../lib/linear-support-client";
+import type { BugReportRecord } from "../shared/bug-reports";
+
+const id = "00000000-0000-4000-8000-000000000001",
+  team = "00000000-0000-4000-8000-000000000002";
+const closedAt = new Date(1000).toISOString(),
+  due = 1000 + 3 * 86400000;
+const report = {
+  id,
+  state: "done",
+  closed_at: closedAt,
+  delete_after: new Date(due).toISOString(),
+  linear_done_synced: true,
+} as BugReportRecord;
+test("report retention never purges early, open reports, or an older closure generation", async () => {
+  for (const [record, now] of [
+    [report, due - 1],
+    [{ ...report, state: "open" }, due],
+    [{ ...report, closed_at: new Date(2000).toISOString() }, due],
+    [null, due],
+  ] as const) {
+    await purgeClosedBugReport(id, closedAt, {
+      record: async () => record as BugReportRecord | null,
+      now: () => now,
+      linear: {
+        issue: async () => {
+          throw new Error("Must not query Linear");
+        },
+        remove: async () => assert.fail(),
+      },
+      begin: async () => {
+        assert.fail();
+      },
+      reopen: async () => assert.fail(),
+      removeFiles: async () => assert.fail(),
+      finish: async () => assert.fail(),
+    });
+  }
+});
+test("reopening a Linear issue cancels local cleanup and completed reports purge in a retry-safe order", async () => {
+  for (const state of ["started", "completed"]) {
+    const actions: string[] = [];
+    await purgeClosedBugReport(id, closedAt, {
+      record: async () => report,
+      now: () => due,
+      linear: {
+        issue: async () => ({
+          id,
+          identifier: "TEST-1",
+          team: { id: team },
+          state: { id: team, name: state, type: state },
+        }),
+        remove: async () => {
+          actions.push("linear");
+        },
+      },
+      begin: async () => {
+        actions.push("lock");
+        return true;
+      },
+      reopen: async () => {
+        actions.push("reopen");
+      },
+      removeFiles: async (paths) => {
+        assert.deepEqual(paths, [`${id}/input`, `${id}/screenshot.webp`]);
+        actions.push("storage");
+      },
+      finish: async () => {
+        actions.push("database");
+      },
+    });
+    assert.deepEqual(
+      actions,
+      state === "started"
+        ? ["reopen"]
+        : ["lock", "linear", "storage", "database"],
+    );
+  }
+});
+test("failed external deletion preserves the local retry record", async () => {
+  for (const failure of ["linear", "storage"]) {
+    let finished = false;
+    await assert.rejects(
+      purgeClosedBugReport(id, closedAt, {
+        record: async () => ({ ...report, purge_started_at: closedAt }),
+        now: () => due,
+        linear: {
+          issue: async () => assert.fail(),
+          remove: async () => {
+            if (failure === "linear") throw new Error("retry");
+          },
+        },
+        begin: async () => true,
+        reopen: async () => assert.fail(),
+        removeFiles: async () => {
+          if (failure === "storage") throw new Error("retry");
+        },
+        finish: async () => {
+          finished = true;
+        },
+      }),
+      /retry/,
+    );
+    assert.equal(finished, false);
+  }
+});
+test("Linear Done uses the report team's Done state, validates acknowledgment and deletes idempotently", async () => {
+  let current = "started",
+    deleted = false;
+  const calls: string[] = [];
+  const client = new LinearSupportClient(
+    "private",
+    team,
+    undefined,
+    async (_url, init) => {
+      const { query, variables } = JSON.parse(String(init?.body));
+      calls.push(query.split("(")[0]);
+      if (query.startsWith("query SupportIssue"))
+        return Response.json({
+          data: {
+            issue: deleted
+              ? null
+              : {
+                  id,
+                  identifier: "TEST-1",
+                  team: { id: team },
+                  state: {
+                    id: current,
+                    name: current === "done" ? "Done" : "In Progress",
+                    type: current === "done" ? "completed" : "started",
+                  },
+                },
+          },
+        });
+      if (query.startsWith("query SupportDoneState")) {
+        assert.equal(variables.team, team);
+        return Response.json({
+          data: {
+            team: {
+              states: {
+                nodes: [{ id: "done", name: "Done", type: "completed" }],
+              },
+            },
+          },
+        });
+      }
+      if (query.startsWith("mutation SupportDone")) {
+        assert.equal(variables.input.stateId, "done");
+        current = "done";
+        return Response.json({
+          data: {
+            issueUpdate: {
+              success: true,
+              issue: { id, state: { id: "done" } },
+            },
+          },
+        });
+      }
+      if (query.startsWith("mutation SupportDelete")) {
+        deleted = true;
+        return Response.json({ data: { issueDelete: { success: true } } });
+      }
+      throw new Error("Unexpected request");
+    },
+  );
+  await client.done(id);
+  await client.done(id);
+  await client.remove(id);
+  await client.remove(id);
+  assert.equal(calls.filter((c) => c === "mutation SupportDone").length, 1);
+  assert.equal(calls.filter((c) => c === "mutation SupportDelete").length, 1);
+  const wrongTeam = new LinearSupportClient(
+    "secret",
+    team,
+    undefined,
+    async () =>
+      Response.json({ data: { issue: { id, team: { id: "other" } } } }),
+  );
+  await assert.rejects(wrongTeam.remove(id), /team mismatch/);
+  const failed = new LinearSupportClient(
+    "secret",
+    team,
+    undefined,
+    async (_url, init) =>
+      Response.json({
+        data: JSON.parse(String(init?.body)).query.startsWith("query")
+          ? { issue: { id, team: { id: team } } }
+          : { issueDelete: { success: false } },
+      }),
+  );
+  await assert.rejects(failed.remove(id), /not confirmed/);
+});
diff --git a/tests/multiplayer.test.ts b/tests/multiplayer.test.ts
index 3a5191a..1243ea7 100644
--- a/tests/multiplayer.test.ts
+++ b/tests/multiplayer.test.ts
@@ -49,22 +49,33 @@ test("room limits include the owner and stay between 2 and 16", () => {
       createRoomSchema.parse({
         datasetId: map,
         difficulty: "normal",
-        displayName: " Alex ",
         playerLimit,
-      }).displayName,
-      "Alex",
+      }).playerLimit,
+      playerLimit,
     );
   for (const playerLimit of [1, 17, 2.5, "16", null])
     assert.equal(
       createRoomSchema.safeParse({
         datasetId: map,
         difficulty: "normal",
-        displayName: "Alex",
         playerLimit,
       }).success,
       false,
     );
 });
+test("party creation rejects a client-selected host identity", () => {
+  const room = { datasetId: map, difficulty: "normal", playerLimit: 4 };
+  assert.equal(createRoomSchema.safeParse(room).success, true);
+  for (const identity of [
+    { displayName: "Impostor" },
+    { accountId: map },
+    { name: "Impostor" },
+  ])
+    assert.equal(
+      createRoomSchema.safeParse({ ...room, ...identity }).success,
+      false,
+    );
+});
 test("multiplayer names and guesses reject hidden controls, invalid rounds, and non-finite positions", () => {
   assert.equal(
     joinRoomSchema.parse({ displayName: " Друг " }).displayName,