import { randomUUID } from "node:crypto";
import { and, eq, sql } from "drizzle-orm";
import { afterAll, beforeAll, describe, expect, it } from "vitest";
import { agents, agentWakeupRequests, companies, createDb, environmentLeases, environments, heartbeatRuns, issues, issueRecoveryActions, nativeRunFinalizations, toolApplications, toolConnections, toolInvocations, applyPendingMigrations } from "@paperclipai/db";
import { startEmbeddedPostgresTestDatabase } from "../__tests__/helpers/embedded-postgres.js";
import { priorRecoveryApiReceipt, unresolvedRecoveryToolInvocation } from "./recovery-effect-receipts.js";
import { requestTaskRetry } from "./task-retry.js";
import { readFreshWorkspaceReadiness } from "./fresh-workspace-continuation.js";
import { settleUnrecoverableExecutions } from "./execution-recovery-resolution.js";
import { createSystemRecovery, failSystemRecovery, readSystemRecovery, SystemRecoveryFailure } from "./system-recovery-state.js";
import { instanceSettingsService } from "./instance-settings.js";
import { heartbeatService } from "./heartbeat.js";
import { taskChatRetryCanAwaitRecovery, taskChatRetryExecutionStopped } from "./chat-channels/task-retry-authority.js";

describe("durable task Retry admission", () => {
  let postgres: Awaited<ReturnType<typeof startEmbeddedPostgresTestDatabase>>;
  let db: ReturnType<typeof createDb>;
  beforeAll(async () => {
    const externalUrl = process.env.PAPERCLIP_TASK_RETRY_TEST_DATABASE_URL;
    if (externalUrl) {
      await applyPendingMigrations(externalUrl);
      db = createDb(externalUrl);
    } else {
      postgres = await startEmbeddedPostgresTestDatabase("task-retry-");
      db = createDb(postgres.connectionString);
    }
  }, 30_000);
  afterAll(async () => { await db?.$client.end(); await postgres?.cleanup(); });
  async function seed() {
    const companyId = randomUUID(), issueId = randomUUID(), agentId = randomUUID(), runId = randomUUID();
    await db.insert(companies).values({ id: companyId, name: "Retry company", issuePrefix: `T${companyId.slice(0, 6)}` });
    await db.insert(agents).values({ id: agentId, companyId, name: "Worker", adapterType: "paperclip_runner", status: "idle" });
    await db.insert(issues).values({ id: issueId, companyId, title: "Continue saved work", status: "blocked", assigneeAgentId: agentId });
    await db.insert(heartbeatRuns).values({ id: runId, companyId, agentId, issueId, status: "failed",
      contextSnapshot: { issueId }, finishedAt: new Date() });
    return { db, companyId, issueId, actorId: "board", observedRunId: runId, idempotencyKey: randomUUID() };
  }
  it("serializes concurrent clicks and remembers each key after completion", async () => {
    const input = await seed();
    const second = { ...input, idempotencyKey: randomUUID() };
    const [one, two] = await Promise.all([requestTaskRetry(input), requestTaskRetry(second)]);
    expect(one.requestId).toBe(two.requestId);
    const rows = await db.select().from(agentWakeupRequests).where(eq(agentWakeupRequests.companyId, input.companyId));
    expect(rows.filter(row => row.status === "deferred_issue_execution")).toHaveLength(1);
    expect(rows).toHaveLength(2);
    await db.update(agentWakeupRequests).set({ status: "failed" }).where(eq(agentWakeupRequests.id, one.requestId!));
    expect((await requestTaskRetry(input)).requestId).toBe(one.requestId);
    expect((await requestTaskRetry(second)).requestId).toBe(one.requestId);
    const next = await requestTaskRetry({ ...input, idempotencyKey: randomUUID() });
    expect(next.requestId).not.toBe(one.requestId);
  });
  it("does not resurrect completed tasks or retry an obsolete assignment", async () => {
    const input = await seed();
    await db.update(issues).set({ status: "done" }).where(eq(issues.id, input.issueId));
    expect(await requestTaskRetry(input)).toMatchObject({ accepted: false, stale: true });
    await db.update(issues).set({ status: "blocked", assigneeAgentId: null }).where(eq(issues.id, input.issueId));
    expect(await requestTaskRetry(input)).toMatchObject({ accepted: false, stale: true });
    expect(await db.select().from(agentWakeupRequests).where(eq(agentWakeupRequests.companyId, input.companyId))).toHaveLength(0);
  });
  it.each(["prepared", "mismatched", "owned"] as const)("reconstructs missing native preservation on deliberate Retry only for an exact unowned source: %s", async state => {
    const input = await seed();
    const [issue] = await db.select().from(issues).where(eq(issues.id, input.issueId));
    const [environment] = await db.insert(environments).values({ name: input.observedRunId, driver: "sandbox" }).returning();
    const [lease] = await db.insert(environmentLeases).values({ companyId: input.companyId, issueId: input.issueId,
      heartbeatRunId: input.observedRunId, environmentId: environment.id, provider: "daytona", providerLeaseId: randomUUID(),
      status: "active", leasePolicy: "reuse_by_environment", metadata: { remoteCwd: "/work" },
    }).returning();
    await db.update(heartbeatRuns).set({ runtimeMode: "native", nativeIssueId: input.issueId,
      nativePhase: "terminal_failure", errorCode: "execution_finalization_deadline_exceeded", runnerProfileJson: {
        nativeWorkspaceSync: { schema: "paperclip.native-workspace-sync/v3", state: "prepared",
          descriptorSha256: "a".repeat(64), baselineSha256: "b".repeat(64), finalHostSha256: null,
          workspaceId: input.observedRunId, leaseId: lease.id,
          providerLeaseId: state === "mismatched" ? randomUUID() : lease.providerLeaseId,
          remoteCwd: "/work", resourceDisposition: "keep_running" },
      } }).where(eq(heartbeatRuns.id, input.observedRunId));
    await db.insert(nativeRunFinalizations).values({ companyId: input.companyId, issueId: input.issueId,
      runId: input.observedRunId, phase: "terminal_failure", leaseOwner: state === "owned" ? "live-controller" : null });
    await db.insert(issueRecoveryActions).values({ companyId: input.companyId, sourceIssueId: input.issueId,
      kind: "active_run_watchdog", status: "resolved", ownerType: "board",
      cause: "execution_finalization_deadline_exceeded", fingerprint: randomUUID(), outcome: "blocked",
      nextAction: "Inspect the failed run.", evidence: { runId: input.observedRunId,
        providerOwnership: "unverified", automaticRecovery: { replay: "blocked", actionOutcome: "unknown" } } });

    const receipt = await requestTaskRetry(input);
    expect((await requestTaskRetry(input)).requestId).toBe(receipt.requestId);
    const [source] = await db.select().from(heartbeatRuns).where(eq(heartbeatRuns.id, input.observedRunId));
    const [retained] = await db.select().from(environmentLeases).where(eq(environmentLeases.id, lease.id));
    const repairs = (await db.select().from(issueRecoveryActions).where(eq(issueRecoveryActions.sourceIssueId, input.issueId)))
      .filter(action => action.evidence.workspaceRestoreRecovery);
    if (state === "prepared") {
      expect(source.resultJson).toMatchObject({ workspaceRestoreRecovery: { leaseIds: [lease.id] } });
      expect(retained).toMatchObject({ status: "pending_cleanup", leasePolicy: "retain_on_failure" });
      expect(repairs).toHaveLength(1);
      expect(readSystemRecovery(repairs[0].evidence)).toMatchObject({ state: "scheduled", intentId: receipt.requestId });
      expect(await taskChatRetryCanAwaitRecovery(db, source, input.issueId, receipt.requestId!)).toBe(true);
    } else {
      expect(source.resultJson).toBeNull();
      expect(retained).toMatchObject({ status: "active", leasePolicy: "reuse_by_environment" });
      expect(repairs).toHaveLength(0);
    }
    expect(await taskChatRetryExecutionStopped(db, source)).toBe(false);
    expect(retained.metadata).not.toHaveProperty("remoteExecutionTermination");
    expect(await db.select().from(heartbeatRuns).where(eq(heartbeatRuns.companyId, input.companyId))).toHaveLength(1);
    expect((await db.select().from(issues).where(eq(issues.id, input.issueId)))[0])
      .toMatchObject({ status: "blocked", assigneeAgentId: issue.assigneeAgentId, executionRunId: null, checkoutRunId: null });
  });
  it("requires current Agent Chat ownership and enablement even when replaying a retry receipt", async () => {
    const input = await seed();
    const settings = instanceSettingsService(db);
    await settings.updateExperimental({ enableAgentChat: true });
    await db.update(issues).set({ conversationAgentId: (await db.select().from(issues).where(eq(issues.id, input.issueId)))[0].assigneeAgentId,
      conversationUserId: input.actorId, conversationState: "waiting" }).where(eq(issues.id, input.issueId));
    try {
      await expect(requestTaskRetry({ ...input, actorId: "another-user" })).rejects.toMatchObject({ status: 403 });
      expect(await db.select().from(agentWakeupRequests).where(eq(agentWakeupRequests.companyId, input.companyId))).toHaveLength(0);
      const accepted = await requestTaskRetry(input);
      expect(accepted.accepted).toBe(true);
      await settings.updateExperimental({ enableAgentChat: false });
      await expect(requestTaskRetry(input)).rejects.toMatchObject({ status: 404 });
      await settings.updateExperimental({ enableAgentChat: true });
      await db.update(issues).set({ conversationUserId: "new-owner" }).where(eq(issues.id, input.issueId));
      await expect(requestTaskRetry(input)).rejects.toMatchObject({ status: 403 });
      expect(await db.select().from(agentWakeupRequests).where(eq(agentWakeupRequests.companyId, input.companyId))).toHaveLength(1);
      const next = await requestTaskRetry({ ...input, actorId: "new-owner", idempotencyKey: randomUUID() });
      expect(next.requestId).not.toBe(accepted.requestId);
      expect((await db.select().from(agentWakeupRequests).where(eq(agentWakeupRequests.id, accepted.requestId!)))[0].status).toBe("failed");
    } finally { await settings.updateExperimental({ enableAgentChat: false }); }
  });
  it.each(["owner", "feature"] as const)("rechecks Agent Chat $0 at dispatch after waiting for the issue lock", async gate => {
    const input = { ...await seed(), actorId: "local-board", actorSource: "local_implicit" };
    const settings = instanceSettingsService(db);
    await settings.updateExperimental({ enableAgentChat: true, enableNativeRunner: true });
    const [issue] = await db.select().from(issues).where(eq(issues.id, input.issueId));
    await db.update(issues).set({ conversationAgentId: issue.assigneeAgentId, conversationUserId: input.actorId,
      conversationState: "waiting" }).where(eq(issues.id, input.issueId));
    // Keep admitted runs queued: this test asserts admission, not provider behavior.
    await db.update(agents).set({ runtimeConfig: { heartbeat: { maxConcurrentRuns: 1 } } })
      .where(eq(agents.id, issue.assigneeAgentId!));
    await db.insert(heartbeatRuns).values({ companyId: input.companyId, agentId: issue.assigneeAgentId!, status: "running" });
    const receipt = await requestTaskRetry(input);
    let release!: () => void, ready!: () => void, holderPid = 0;
    const held = new Promise<void>(resolve => { ready = resolve; });
    const unlock = new Promise<void>(resolve => { release = resolve; });
    const holder = db.transaction(async tx => {
      holderPid = (await tx.execute<{ pid: number }>(sql`select pg_backend_pid() as pid`))[0].pid;
      await tx.select().from(issues).where(eq(issues.id, issue.id)).for("update");
      ready(); await unlock;
      if (gate === "owner") await tx.update(issues).set({ conversationUserId: "new-owner" }).where(eq(issues.id, issue.id));
      else await instanceSettingsService(tx as unknown as typeof db).updateExperimental({ enableAgentChat: false });
    });
    let dispatch: Promise<unknown> | undefined;
    try {
      await held;
      dispatch = heartbeatService(db).resumeTaskRetry(input.companyId, receipt.requestId!).catch(error => error);
      await expect.poll(async () => (await db.execute<{ waiting: boolean }>(sql`select exists(
        select 1 from pg_stat_activity where datname = current_database()
          and ${holderPid} = any(pg_blocking_pids(pid))) as waiting`))[0].waiting, { timeout: 5_000 }).toBe(true);
      release(); await holder;
      expect(await dispatch).toMatchObject({ status: gate === "owner" ? 403 : 404 });
      expect(await db.select().from(heartbeatRuns).where(and(eq(heartbeatRuns.companyId, input.companyId),
        eq(heartbeatRuns.status, "queued")))).toHaveLength(0);
      // Restore current authority; the same saved receipt can then admit one run.
      await settings.updateExperimental({ enableAgentChat: true });
      await db.update(issues).set({ conversationUserId: input.actorId }).where(eq(issues.id, issue.id));
      await heartbeatService(db).resumeTaskRetry(input.companyId, receipt.requestId!);
      expect(await db.select().from(heartbeatRuns).where(and(eq(heartbeatRuns.companyId, input.companyId),
        eq(heartbeatRuns.status, "queued")))).toHaveLength(1);
    } finally {
      release(); await Promise.allSettled([holder, dispatch]);
      await settings.updateExperimental({ enableAgentChat: false, enableNativeRunner: false });
    }
  }, 30_000);
  it("replaces an exhausted unadmitted generation only on a new deliberate click", async () => {
    const input = await seed();
    const first = await requestTaskRetry(input);
    const state = failSystemRecovery(createSystemRecovery(input.observedRunId, first.requestId!),
      new SystemRecoveryFailure("source_unavailable", "service_required"));
    const [action] = await db.insert(issueRecoveryActions).values({
      companyId: input.companyId, sourceIssueId: input.issueId, kind: "active_run_watchdog",
      ownerType: "system", cause: "legacy_execution_requires_reconciliation", fingerprint: randomUUID(),
      nextAction: "System recovery", evidence: { runId: input.observedRunId, systemRecovery: state },
    }).returning();
    expect((await requestTaskRetry(input)).requestId).toBe(first.requestId);
    const nextInput = { ...input, idempotencyKey: randomUUID() };
    const next = await requestTaskRetry(nextInput);
    expect(next.requestId).not.toBe(first.requestId);
    const [updated] = await db.select().from(issueRecoveryActions).where(eq(issueRecoveryActions.id, action.id));
    expect(readSystemRecovery(updated.evidence)).toMatchObject({ generationId: next.requestId, attempts: 0 });
    expect((await requestTaskRetry(nextInput)).requestId).toBe(next.requestId);
    const wakes = await db.select().from(agentWakeupRequests).where(eq(agentWakeupRequests.companyId, input.companyId));
    expect(wakes.find(row => row.id === first.requestId)?.status).toBe("failed");
    expect(wakes.filter(row => row.status === "deferred_issue_execution")).toHaveLength(1);
  });
  it("binds a key to its company, task and actor across all statuses", async () => {
    const input = await seed();
    const receipt = await requestTaskRetry(input);
    await db.update(agentWakeupRequests).set({ status: "completed" }).where(and(
      eq(agentWakeupRequests.companyId, input.companyId), eq(agentWakeupRequests.id, receipt.requestId!)));
    await expect(requestTaskRetry({ ...input, actorId: "another-user" })).rejects.toThrow("different task or user");
    expect((await requestTaskRetry(input)).requestId).toBe(receipt.requestId);
    const other = await seed();
    expect((await requestTaskRetry({ ...other, idempotencyKey: input.idempotencyKey })).requestId).not.toBe(receipt.requestId);
  });
  it("keeps an adopted historical hold with its maintenance owner", async () => {
    const input = await seed();
    const system = createSystemRecovery(input.observedRunId);
    const [action] = await db.insert(issueRecoveryActions).values({
      companyId: input.companyId, sourceIssueId: input.issueId, kind: "active_run_watchdog",
      status: "active", ownerType: "system", returnOwnerAgentId: null,
      cause: "legacy_execution_requires_reconciliation", fingerprint: randomUUID(),
      nextAction: "System preservation", evidence: { runId: input.observedRunId, systemRecovery: system },
    }).returning();
    await settleUnrecoverableExecutions(db);
    const [current] = await db.select().from(issueRecoveryActions).where(eq(issueRecoveryActions.id, action.id));
    expect(current.status).toBe("active");
    expect(current.ownerType).toBe("system");
    expect(current.evidence.systemRecovery).toEqual(system);
    expect(current.evidence.automaticRecovery).toBeUndefined();
  });
  it.each(["evaluate", "continue"])("keeps an admitted %s retry isolated after a failure without a preserved workspace", async strategy => {
    const input = await seed();
    const receipt = await requestTaskRetry(input);
    const [source] = await db.select().from(heartbeatRuns).where(eq(heartbeatRuns.id, input.observedRunId));
    const [successor] = await db.insert(heartbeatRuns).values({ companyId: input.companyId,
      agentId: source.agentId, issueId: input.issueId, status: "queued",
      contextSnapshot: { issueId: input.issueId, taskRetryRequestId: receipt.requestId } }).returning();
    expect(await readFreshWorkspaceReadiness(db, successor)).toBeNull();
    const [wake] = await db.select().from(agentWakeupRequests).where(eq(agentWakeupRequests.id, receipt.requestId!));
    await db.update(agentWakeupRequests).set({ runId: successor.id, status: "coalesced",
      payload: { ...wake.payload, taskRetry: { ...(wake.payload!.taskRetry as object), strategy } } })
      .where(eq(agentWakeupRequests.id, receipt.requestId!));
    const readiness = await readFreshWorkspaceReadiness(db, successor);
    expect(readiness).toMatchObject({ mode: "fresh_isolated_workspace", retryIntentId: receipt.requestId,
      sourceRunId: source.id });
    expect(await readFreshWorkspaceReadiness(db, successor)).toEqual(readiness);
    expect(await readFreshWorkspaceReadiness(db, { ...successor, id: randomUUID() })).toBeNull();
  });
  it("reuses completed API effects only from the retry ancestry while retaining unrelated uncertainty", async () => {
    const input = await seed();
    const [source] = await db.select().from(heartbeatRuns).where(eq(heartbeatRuns.id, input.observedRunId));
    const receipt = { operationId: "PATCH /api/issues/{id}", digest: "same-title", state: "completed",
      result: { ok: true, status: 200, data: { title: "Earlier title" } } };
    const [earlier] = await db.insert(heartbeatRuns).values({ companyId: input.companyId, issueId: input.issueId,
      agentId: source.agentId, status: "succeeded", createdAt: new Date(1_000), resultJson: { apiToolReceipts: { receipt } } }).returning();
    const accepted = await requestTaskRetry(input);
    const [successor] = await db.insert(heartbeatRuns).values({ companyId: input.companyId, issueId: input.issueId,
      agentId: source.agentId, status: "running", createdAt: new Date(Date.now() + 1_000) }).returning();
    await db.update(agentWakeupRequests).set({ status: "coalesced", runId: successor.id })
      .where(eq(agentWakeupRequests.id, accepted.requestId!));
    const call = { companyId: input.companyId, issueId: input.issueId, runId: successor.id,
      operationId: receipt.operationId, digest: receipt.digest };
    expect(await priorRecoveryApiReceipt(db, call)).toBeNull();
    // An actual predecessor edge makes the exact receipt relevant, even across multiple attempts.
    await db.update(heartbeatRuns).set({ retryOfRunId: earlier.id }).where(eq(heartbeatRuns.id, source.id));
    expect(await priorRecoveryApiReceipt(db, call)).toEqual(receipt);
    await db.update(heartbeatRuns).set({ retryOfRunId: null }).where(eq(heartbeatRuns.id, source.id));
    await db.update(heartbeatRuns).set({ resultJson: { apiToolReceipts: { receipt: { ...receipt,
      state: "pending", result: { ok: false, outcome: "unknown" } } } } }).where(eq(heartbeatRuns.id, earlier.id));
    expect(await priorRecoveryApiReceipt(db, call)).toMatchObject({ state: "pending", result: { outcome: "unknown" } });
  });

  async function automaticSuccessorOfTaskRetry() {
    const input = await seed();
    const [source] = await db.select().from(heartbeatRuns).where(eq(heartbeatRuns.id, input.observedRunId));
    const intent = await requestTaskRetry(input);
    const [retry] = await db.insert(heartbeatRuns).values({ companyId: input.companyId, issueId: input.issueId,
      agentId: source.agentId, runtimeMode: "native", status: "failed", createdAt: new Date(Date.now() + 1_000) }).returning();
    await db.update(agentWakeupRequests).set({ status: "coalesced", runId: retry.id })
      .where(eq(agentWakeupRequests.id, intent.requestId!));
    const [automatic] = await db.insert(heartbeatRuns).values({ companyId: input.companyId, issueId: input.issueId,
      agentId: source.agentId, runtimeMode: "native", status: "running", retryOfRunId: retry.id,
      createdAt: new Date(Date.now() + 2_000) }).returning();
    await db.insert(agentWakeupRequests).values({ companyId: input.companyId, agentId: source.agentId,
      runId: automatic.id, source: "automation", reason: "transient_failure", status: "coalesced",
      requestedByActorType: "system", payload: { issueId: input.issueId, retryOfRunId: retry.id } });
    return { input, retry, automatic };
  }

  it.each(["completed", "pending"] as const)("automatic successors inherit %s API receipts after task Retry", async state => {
    const { input, retry, automatic } = await automaticSuccessorOfTaskRetry();
    const receipt = { operationId: "POST /api/companies/{companyId}/projects", digest: "same-project", state,
      result: state === "completed" ? { ok: true, status: 201 } : { ok: false, outcome: "unknown" } };
    await db.update(heartbeatRuns).set({ resultJson: { apiToolReceipts: { receipt } } }).where(eq(heartbeatRuns.id, retry.id));
    const call = { companyId: input.companyId, issueId: input.issueId, runId: automatic.id,
      operationId: receipt.operationId, digest: receipt.digest };
    expect(await priorRecoveryApiReceipt(db, call)).toMatchObject({ state, result: receipt.result });
    // A transcript predecessor is insufficient; the persisted run edge owns lineage.
    await db.update(heartbeatRuns).set({ retryOfRunId: null, contextSnapshot: { previousRunId: retry.id } })
      .where(eq(heartbeatRuns.id, automatic.id));
    expect(await priorRecoveryApiReceipt(db, call)).toBeNull();
  });

  it("automatic successors retain uncertain upstream mutation fences after task Retry", async () => {
    const { input, retry, automatic } = await automaticSuccessorOfTaskRetry();
    const [application] = await db.insert(toolApplications).values({ companyId: input.companyId,
      name: "Test API", type: "rest_api" }).returning();
    const [connection] = await db.insert(toolConnections).values({ companyId: input.companyId, applicationId: application.id,
      name: "Test API", uid: randomUUID(), transport: "rest_api" }).returning();
    const [invocation] = await db.insert(toolInvocations).values({ companyId: input.companyId, issueId: input.issueId,
      runId: retry.id, connectionId: connection.id, toolName: "create_project", riskLevel: "write",
      status: "timed_out", startedAt: new Date() }).returning();
    const call = { companyId: input.companyId, issueId: input.issueId, runId: automatic.id,
      connectionId: connection.id, toolName: "create_project", risk: "write" };
    expect(await unresolvedRecoveryToolInvocation(db, call)).toBe(invocation.id);
    expect(await unresolvedRecoveryToolInvocation(db, { ...call, risk: "read" })).toBeNull();
  });

  it("retires a deferred Retry when newer work appears while dispatch waits for the issue lock", async () => {
    const input = { ...await seed(), actorId: "local-board", actorSource: "local_implicit" };
    await instanceSettingsService(db).updateExperimental({ enableNativeRunner: true });
    const [issue] = await db.select().from(issues).where(eq(issues.id, input.issueId));
    await db.update(agents).set({ runtimeConfig: { heartbeat: { maxConcurrentRuns: 1 } } })
      .where(eq(agents.id, issue.assigneeAgentId!));
    await db.insert(heartbeatRuns).values({ companyId: input.companyId, agentId: issue.assigneeAgentId!, status: "running" });
    const receipt = await requestTaskRetry(input);
    let release!: () => void, ready!: () => void, holderPid = 0;
    const held = new Promise<void>(resolve => { ready = resolve; });
    const unlock = new Promise<void>(resolve => { release = resolve; });
    const newerRunId = randomUUID();
    const holder = db.transaction(async tx => {
      holderPid = (await tx.execute<{ pid: number }>(sql`select pg_backend_pid() as pid`))[0].pid;
      await tx.select().from(issues).where(eq(issues.id, issue.id)).for("update");
      ready(); await unlock;
      await tx.insert(heartbeatRuns).values({ id: newerRunId, companyId: input.companyId, issueId: issue.id,
        agentId: issue.assigneeAgentId!, status: "succeeded", finishedAt: new Date(), createdAt: new Date(Date.now() + 1_000) });
      await tx.update(issues).set({ status: "in_progress", executionRunId: newerRunId }).where(eq(issues.id, issue.id));
    });
    let dispatch: Promise<unknown> | undefined;
    try {
      await held;
      dispatch = heartbeatService(db).resumeTaskRetry(input.companyId, receipt.requestId!);
      await expect.poll(async () => (await db.execute<{ waiting: boolean }>(sql`select exists(
        select 1 from pg_stat_activity where datname = current_database()
          and ${holderPid} = any(pg_blocking_pids(pid))) as waiting`))[0].waiting, { timeout: 5_000 }).toBe(true);
      release(); await holder; await dispatch;
      await heartbeatService(db).resumeTaskRetry(input.companyId, receipt.requestId!);
      expect(await db.select().from(heartbeatRuns).where(and(eq(heartbeatRuns.companyId, input.companyId),
        eq(heartbeatRuns.status, "queued")))).toHaveLength(0);
      expect((await db.select().from(agentWakeupRequests).where(eq(agentWakeupRequests.id, receipt.requestId!)))[0])
        .toMatchObject({ status: "skipped", runId: null, error: "task_retry_superseded" });
    } finally {
      release(); await Promise.allSettled([holder, dispatch]);
      await instanceSettingsService(db).updateExperimental({ enableNativeRunner: false });
    }
  }, 30_000);

  it("does not attach a new deliberate Retry to an unadmitted request for an older run", async () => {
    const input = await seed();
    const old = await requestTaskRetry(input);
    const [issue] = await db.select().from(issues).where(eq(issues.id, input.issueId));
    const [newer] = await db.insert(heartbeatRuns).values({ companyId: input.companyId, issueId: input.issueId,
      agentId: issue.assigneeAgentId!, status: "failed", finishedAt: new Date(), createdAt: new Date(Date.now() + 1_000) }).returning();
    const next = await requestTaskRetry({ ...input, observedRunId: newer.id, idempotencyKey: randomUUID() });
    expect(next.requestId).not.toBe(old.requestId);
    expect((await db.select().from(agentWakeupRequests).where(eq(agentWakeupRequests.id, old.requestId!)))[0])
      .toMatchObject({ status: "skipped", error: "task_retry_superseded" });
  });

});