import { createLocalNativeQuestionBridge } from "./local-native-question-bridge.js";
import { randomUUID } from "node:crypto";
import { mkdtempSync, rmSync } from "node:fs";
import { createServer } from "node:http";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { afterAll, afterEach, beforeAll, describe, expect, it, vi } from "vitest";
import { eq, sql } from "drizzle-orm";

import {
  activityLog,
  agents,
  authUsers,
  companies,
  companyMemberships,
  createDb,
  heartbeatRuns,
  heartbeatRunEvents,
  issueComments,
  issueQuestionResponseDeliveries,
  issueThreadInteractions,
  issues,
  nativeRunFinalizations,
} from "@paperclipai/db";
import type { PrpEvent } from "@paperclipai/paperclip-runner";
import { respondIssueThreadInteractionSchema } from "@paperclipai/shared";

import {
  getEmbeddedPostgresTestSupport,
  startEmbeddedPostgresTestDatabase,
} from "../../__tests__/helpers/embedded-postgres.js";
import { drainHeartbeatRunsToQuiescence } from "../../__tests__/helpers/drain-heartbeat-runs.js";
import { issueThreadInteractionService } from "../issue-thread-interactions.js";
import {
  deliverNativeQuestionResponse,
  flushNativeQuestionResponses,
  nativeQuestionBridgeInternals,
  nativeQuestionRunToCancel,
  projectNativeRuntimeRequest,
  registerNativeQuestionCommandTarget,
  requestNativeQuestionRunCancellation,
  validateNativeQuestionResponseInput,
} from "./native-question-bridge.js";
import {
  executeIssuePostCommitActions,
  issueService,
  type IssuePostCommitAction,
} from "../issues.js";
import { questionResponseDeliveryService } from "../question-response-delivery.js";
import * as questionPatternValidation from "../question-pattern-validation.js";
import { heartbeatService } from "../heartbeat.js";
import { DurablePrpControlPlane } from "../../vendor/paperclip-runner/index.js";
import { PaperclipControlPlanePort } from "./paperclip-control-plane-port.js";
import { readPendingNativeRuntimeRequest } from "./runtime-request-resolution-authority.js";
import {
  queueRunnerPrpRuntimeRequestResolution,
  registerRunnerPrpAuthority,
  setupRunnerPrpWebSocketServer,
} from "../../realtime/runner-prp-ws.js";

const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;

if (!embeddedPostgresSupport.supported) {
  console.warn(
    `Skipping native question bridge tests on this host: ${embeddedPostgresSupport.reason ?? "unsupported environment"}`,
  );
}

describeEmbeddedPostgres("native question bridge", () => {
  let temporary: Awaited<ReturnType<typeof startEmbeddedPostgresTestDatabase>> | null = null;
  let db: ReturnType<typeof createDb>;
  let heartbeat: ReturnType<typeof heartbeatService>;
  let companyId: string;
  let issueId: string;
  let agentId: string;
  let runId: string;
  let sessionId: string;
  let runnerInstanceId: string;

  beforeAll(async () => {
    temporary = await startEmbeddedPostgresTestDatabase("paperclip-native-question-");
    db = createDb(temporary.connectionString);
    heartbeat = heartbeatService(db);
  }, 20_000);

  afterEach(async () => {
    // A cancelled or reaped run can promote and dispatch its agent's next
    // queued run fire-and-forget (see startNextQueuedRunForAgent in
    // heartbeat.ts), so that dispatch can still be writing heartbeat_runs,
    // issues, or activity_log rows when this hook starts. Drain every
    // in-flight run to quiescence first, or its late write races the
    // TRUNCATE below and can deadlock.
    await drainHeartbeatRunsToQuiescence(db, heartbeat);
    nativeQuestionBridgeInternals.resetForTests();
    await db.execute(sql.raw(`
      TRUNCATE TABLE
        "activity_log",
        "issue_thread_interactions",
        "heartbeat_runs",
        "agent_wakeup_requests",
        "issues",
        "agents",
        "companies"
      RESTART IDENTITY CASCADE
    `));
  });

  afterAll(async () => {
    await heartbeat.drainActiveRunExecutions();
    await temporary?.cleanup();
  });

  async function seed() {
    companyId = randomUUID();
    issueId = randomUUID();
    agentId = randomUUID();
    runId = randomUUID();
    sessionId = randomUUID();
    runnerInstanceId = randomUUID();
    await db.insert(companies).values({
      id: companyId,
      name: "Native questions",
      issuePrefix: `NQ${companyId.replaceAll("-", "").slice(0, 6).toUpperCase()}`,
      requireBoardApprovalForNewAgents: false,
    });
    await db.insert(authUsers).values({
      id: "operator-1", name: "Operator", email: "operator-1@example.test",
      createdAt: new Date(), updatedAt: new Date(),
    }).onConflictDoNothing();
    await db.insert(companyMemberships).values({
      companyId, principalType: "user", principalId: "operator-1", status: "active", membershipRole: "member",
    });
    await db.insert(agents).values({
      id: agentId,
      companyId,
      name: "Native Codex",
      adapterType: "paperclip_runner",
      status: "running",
      adapterConfig: { provider: "codex" },
      runtimeConfig: {},
    });
    await db.insert(issues).values({
      id: issueId,
      companyId,
      title: "Answer a native question",
      status: "in_progress",
      assigneeAgentId: agentId,
      responsibleUserId: "operator-1",
    });
    await db.insert(heartbeatRuns).values({
      id: runId,
      companyId,
      agentId,
      status: "running",
      runtimeMode: "native",
      runtimeModeResolvedAt: new Date(),
      nativeIssueId: issueId,
      nativeSessionId: sessionId,
      runnerInstanceId,
      driverKind: "codex",
      contextSnapshot: { issueId },
    });
    await db.insert(nativeRunFinalizations).values({
      runId,
      companyId,
      issueId,
      phase: "observed",
    });
  }

  function runtimeRequestEvent(): PrpEvent {
    return {
      schema: "paperclip.prp.event.v1",
      sourceEventId: "runtime-question-1",
      sourceSeq: 1,
      sourceInstanceId: runnerInstanceId,
      sourceKind: "runner",
      runId,
      normalizedSessionId: sessionId,
      turnId: "turn-1",
      itemId: "item-1",
      eventType: "runtime_request.created",
      schemaVersion: 1,
      priority: 0,
      emittedAt: "2026-08-25T18:00:00.000Z",
      payload: {
        request: {
          schema: "paperclip.runtime_request.v2",
          requestKind: "runtime",
          requestId: "request-1",
          type: "input",
          status: "pending",
          prompt: "Choose a deployment color",
          input: {
            schema: "paperclip.question_set.v1",
            title: "Deployment",
            questions: [{
              id: "color",
              prompt: "Which color?",
              required: true,
              answerMode: "single_select",
              options: [
                { id: "blue", label: "Blue" },
                { id: "green", label: "Green" },
              ],
            }],
          },
        },
      },
    };
  }

  function binding() {
    return {
      companyId,
      issueId,
      runId,
      agentId,
      normalizedSessionId: sessionId,
      runnerSourceInstanceId: runnerInstanceId,
      completionContractId: randomUUID(),
      completionContractSha256: `sha256:${"a".repeat(64)}`,
      completionContractRevision: "1",
      completionContractCriterionIds: [],
    };
  }

  function permissionRequestEvent(): PrpEvent {
    return { ...runtimeRequestEvent(), payload: { request: {
      schema: "paperclip.runtime_request.v2", requestKind: "permission_approval",
      requestId: "permission-1", turnId: "turn-1", itemId: "item-1",
      type: "permission", status: "pending", prompt: "Allow editing src/example.ts?",
      choices: [{ key: "accept", label: "Allow once" }, { key: "decline", label: "Deny" }],
      details: { toolCallId: "tool-1" },
      origin: { adapter: "acpx-runtime-sidecar", provider: "acpx", method: "session/request_permission" },
    } } };
  }

  it("commits and acknowledges an ACP permission, then queues only an admin's exact turn-bound decision", async () => {
    await seed();
    const event = permissionRequestEvent();
    const projection = vi.fn(async (committed: PrpEvent) => {
      await projectNativeRuntimeRequest({ db, binding: binding(), event: committed });
    });
    const port = new PaperclipControlPlanePort(db, {
      companyId, issueId, runId, agentId, sessionId,
      completionContractId: binding().completionContractId,
      completionContractSha256: binding().completionContractSha256,
      sourceInstanceId: runnerInstanceId, controlPlaneSourceInstanceId: "control-1",
    }, { onCommittedEvent: projection });
    const receipt = await port.appendEvent(event);
    expect(receipt).toMatchObject({ disposition: "committed", highestContiguousSourceSeq: 1 });
    expect(projection).toHaveBeenCalledOnce();
    expect(await db.select().from(issueThreadInteractions)).toHaveLength(0);
    const [persisted] = await db.select().from(heartbeatRunEvents).where(eq(heartbeatRunEvents.runId, runId));
    expect(persisted?.payload).toEqual({ prpEvent: event }); // task-chat's exact source, with only offered decisions
    expect(await port.appendEvent(event)).toMatchObject({ disposition: "duplicate" });
    const pending = await readPendingNativeRuntimeRequest(db, { companyId, runId, requestId: "permission-1" });
    expect(pending).toMatchObject({ requestKind: "permission_approval", turnId: "turn-1", resolverPolicy: "instance_admin" });
    expect(await readPendingNativeRuntimeRequest(db, { companyId: randomUUID(), runId, requestId: "permission-1" })).toBeNull();

    const stateDirectory = mkdtempSync(join(tmpdir(), "native-permission-authority-"));
    const server = createServer();
    setupRunnerPrpWebSocketServer(server, { apiUrl: "http://127.0.0.1:3213" });
    const authority = new DurablePrpControlPlane({
      stateDirectory,
      identity: { runnerInstanceId, environmentLeaseId: "lease-1", runId, normalizedSessionId: sessionId, turnId: "turn-1", itemId: "item-1" },
      expectedRunnerVersion: "0.3.0", expectedRunnerDigest: `sha256:${"a".repeat(64)}`,
    });
    const registration = await registerRunnerPrpAuthority({ companyId, runId, authority });
    try {
      const commandInput = { companyId, runId, pendingRequest: pending!, resolution: { action: "accept" as const },
        actor: { type: "user" as const, userId: "admin-1", isInstanceAdmin: true } };
      expect(() => queueRunnerPrpRuntimeRequestResolution({ ...commandInput, actor: { ...commandInput.actor, isInstanceAdmin: false } }))
        .toThrow("native_runtime_request_resolver_denied");
      expect(() => queueRunnerPrpRuntimeRequestResolution({ ...commandInput, companyId: randomUUID() }))
        .toThrow("runner_prp_authority_not_active");
      const queued = queueRunnerPrpRuntimeRequestResolution(commandInput);
      expect(queueRunnerPrpRuntimeRequestResolution(commandInput)).toEqual(queued);
      expect(authority.store.state.commands).toHaveLength(1);
      expect(authority.store.state.commands[0]).toMatchObject({ type: "request.resolve", payload: {
        requestId: "permission-1", requestKind: "permission_approval", turnId: "turn-1",
        resolution: { action: "accept" }, resolutionActor: commandInput.actor,
      } });
      expect(() => queueRunnerPrpRuntimeRequestResolution({ ...commandInput, resolution: { action: "decline" } }))
        .toThrow("runtime_request_resolution_conflict");
      // Queueing is not delivery: only the runner's post-write receipt closes
      // the request. ACP sidecar delivery tests exercise that provider edge.
      expect(await readPendingNativeRuntimeRequest(db, { companyId, runId, requestId: "permission-1" })).toEqual(pending);
      await port.appendEvent({ ...event, sourceEventId: "permission-delivered", sourceSeq: 2,
        eventType: "runtime_request.resolved", payload: { requestId: "permission-1", requestKind: "permission_approval",
          turnId: "turn-1", itemId: "item-1", status: "delivered", action: "accept" } });
      expect(await readPendingNativeRuntimeRequest(db, { companyId, runId, requestId: "permission-1" })).toBeNull();
    } finally {
      await registration.release();
      await authority.stop();
      server.close();
      rmSync(stateDirectory, { recursive: true, force: true });
    }
  });

  it.each([
    { requestKind: "runtime" }, { type: "input" }, { turnId: "stale-turn" }, { itemId: "wrong-item" },
    { choices: [] }, { choices: [{ key: "allow_forever", label: "Always" }] },
    { choices: [{ key: "accept", label: "One" }, { key: "accept", label: "Two" }] },
  ])("rejects a malformed permission projection %j", async (override) => {
    await seed();
    const event = permissionRequestEvent();
    Object.assign(event.payload.request as object, override);
    await expect(projectNativeRuntimeRequest({ db, binding: binding(), event })).rejects.toThrow(/native_runtime_/);
  });

  it("projects an executor question immediately and routes its durable answer into the same live turn", async () => {
    await seed();
    const event = runtimeRequestEvent();
    await db.insert(heartbeatRunEvents).values({ companyId, agentId, runId, seq: 1,
      eventType: event.eventType, stream: "system", level: "info", payload: { prpEvent: event } });
    const resolve = vi.fn(async (input: any) => { await input.authorizeBeforeDispatch(); return { commandId: "live-response" }; });
    const bridge = createLocalNativeQuestionBridge({ db, binding: binding(), resolve });
    try {
      await bridge.attach();
      await bridge.observe(event);
      await bridge.observe(event); // replay must not create a second card
      const cards = await issueThreadInteractionService(db).listForIssue(issueId);
      expect(cards).toHaveLength(1);
      expect(cards[0]).toMatchObject({ status: "pending", sourceRunId: runId, continuationPolicy: "none" });
      const answered = await issueThreadInteractionService(db).answerQuestions(
        { id: issueId, companyId, status: "in_progress" }, cards[0]!.id,
        { answers: [{ questionId: "color", optionIds: ["green"] }] }, { userId: "operator-1" },
      );
      if (answered.kind !== "ask_user_questions") throw new Error("wrong question kind");
      expect(await deliverNativeQuestionResponse(db, answered)).toBe("queued");
      expect(resolve).toHaveBeenCalledWith(expect.objectContaining({ runId, requestId: "request-1", turnId: "turn-1", commandId: `question_${cards[0]!.id}`,
        resolution: { action: "submit", response: { schema: "paperclip.question_response.v1", answers: { color: { selectedOptionIds: ["green"] } } } },
      }));
      await db.update(heartbeatRuns).set({ status: "cancelled" }).where(eq(heartbeatRuns.id, runId));
      await expect(resolve.mock.calls[0]![0].authorizeBeforeDispatch()).rejects.toThrow("native_question_not_pending");
    } finally { bridge.close(); }
  });

  it("delivers saved answers without entering pattern validation again", async () => {
    await seed();
    const event = runtimeRequestEvent();
    (event.payload.request as any).input.questions = [{ id: "url", prompt: "URL?", required: true, answerMode: "text" }];
    const interaction = await projectNativeRuntimeRequest({ db, binding: binding(), event });
    const answered = await issueThreadInteractionService(db).answerQuestions(
      { id: issueId, companyId, status: "in_progress" }, interaction!.id,
      { answers: [{ questionId: "url", optionIds: [], otherText: "https://example.test" }] }, { userId: "operator-1" },
    );
    if (answered.kind !== "ask_user_questions") throw new Error("expected questions");
    const queueCommand = vi.fn(() => ({ commandId: "question", controllerSeq: 1 }));
    const release = registerNativeQuestionCommandTarget({ binding: { companyId, issueId, runId, agentId }, queueCommand });
    const busy = vi.spyOn(questionPatternValidation, "validateQuestionPatterns").mockRejectedValue(new Error("Question format validation is busy; try again"));
    try {
      await flushNativeQuestionResponses(db, runId);
      expect(queueCommand).toHaveBeenCalledWith("request.resolve", expect.objectContaining({
        response: { schema: "paperclip.question_response.v1", answers: { url: { text: "https://example.test" } } },
      }), `question_${interaction!.id}`);
      expect(busy).not.toHaveBeenCalled();
      const [delivery] = await db.select().from(issueQuestionResponseDeliveries);
      expect(delivery).toMatchObject({ status: "delivered" });
    } finally {
      busy.mockRestore();
      release();
    }
  });

  it.each(["codex", "claude"])("materializes, validates, and durably resumes a %s question response", async (provider) => {
    await seed();
    const interaction = await projectNativeRuntimeRequest({
      db,
      binding: binding(),
      event: { ...runtimeRequestEvent(), payload: {
        request: { ...(runtimeRequestEvent().payload.request as Record<string, unknown>),
          origin: { adapter: provider === "claude" ? "acpx-runtime-sidecar" : "codex-app-server", provider,
            method: provider === "claude" ? "elicitation/create" : "item/tool/requestUserInput" },
        },
      } },
    });

    expect(interaction).toMatchObject({
      kind: "ask_user_questions",
      status: "pending",
      sourceRunId: runId,
      continuationPolicy: "none",
      effectiveResolverPolicy: "human_only",
      payload: {
        runtimeRequestId: "request-1",
        supersedeOnUserComment: false,
        questionSet: { schema: "paperclip.question_set.v1" },
        questions: [{
          id: "color",
          selectionMode: "single",
          allowOther: false,
          options: [{ id: "blue", label: "Blue" }, { id: "green", label: "Green" }],
        }],
      },
    });
    expect(await db.select().from(activityLog)).toHaveLength(1);

    const answer = { answers: [{ questionId: "color", optionIds: ["blue"] }] };
    await validateNativeQuestionResponseInput(interaction!, answer);
    await expect(validateNativeQuestionResponseInput(interaction!, {
      answers: [{ questionId: "color", optionIds: ["red"] }],
    })).rejects.toThrow(/unknown option red/);

    const answered = await issueThreadInteractionService(db).answerQuestions(
      { id: issueId, companyId, status: "in_progress" },
      interaction!.id,
      answer,
      { userId: "operator-1" },
    );
    const queueCommand = vi.fn(() => ({ commandId: "question", controllerSeq: 1 }));
    const release = registerNativeQuestionCommandTarget({
      binding: { companyId, issueId, runId, agentId },
      queueCommand,
    });

    await flushNativeQuestionResponses(db, runId);
    expect(queueCommand).toHaveBeenCalledWith(
      "request.resolve",
      {
        requestId: "request-1",
        response: {
          schema: "paperclip.question_response.v1",
          answers: { color: { selectedOptionIds: ["blue"] } },
        },
      },
      `question_${interaction!.id}`,
    );
    expect(queueCommand).toHaveBeenCalledTimes(1);
    const [delivery] = await db.select().from(issueQuestionResponseDeliveries);
    expect(delivery).toMatchObject({
      interactionId: interaction!.id,
      status: "delivered",
      deliveryMode: "steered",
      targetRunId: runId,
    });
    expect(answered.kind).toBe("ask_user_questions");
    if (answered.kind !== "ask_user_questions") throw new Error("expected question interaction");
    await expect(nativeQuestionRunToCancel(db, answered)).resolves.toBe(runId);
    release();
  });

  it.each(["legacy", "canonical_select"])("keeps %s custom-answer normalization and rejects blank public answers", async (mode) => {
    await seed();
    const event = runtimeRequestEvent();
    const input = (event.payload.request as { input: { questions: Record<string, unknown>[] } }).input;
    input.questions[0]!.customAnswer = { enabled: true };
    const interaction = await projectNativeRuntimeRequest({ db, binding: binding(), event });
    if (mode === "legacy") {
      const payload = { ...interaction!.payload };
      if ("questionSet" in payload) delete payload.questionSet;
      await db.update(issueThreadInteractions).set({ payload }).where(eq(issueThreadInteractions.id, interaction!.id));
    }
    const service = issueThreadInteractionService(db);
    await expect(service.answerQuestions({ id: issueId, companyId, status: "in_progress" }, interaction!.id,
      respondIssueThreadInteractionSchema.parse({ answers: [{ questionId: "color", optionIds: [], otherText: " \n " }] }), { userId: "operator-1" },
    )).rejects.toThrow(/requires an answer/);
    const answered = await service.answerQuestions({ id: issueId, companyId, status: "in_progress" }, interaction!.id,
      respondIssueThreadInteractionSchema.parse({ answers: [{ questionId: "color", optionIds: [], otherText: "  Extra\\nline  " }] }), { userId: "operator-1" },
    );
    expect(answered.result).toMatchObject({ answers: [{ questionId: "color", otherText: "Extra\nline" }] });
  });

  it("persists initial text without resolving and delivers only an explicit edited answer", async () => {
    await seed();
    const initialText = "  Editable draft\n漢字\n";
    const event = runtimeRequestEvent();
    const request = event.payload.request as Record<string, unknown>;
    request.input = { schema: "paperclip.question_set.v1", questions: [{ id: "draft", prompt: "Edit", required: true, answerMode: "text", initialText }] };
    const interaction = await projectNativeRuntimeRequest({ db, binding: binding(), event });
    expect(interaction).toMatchObject({ status: "pending", payload: { questionSet: { questions: [{ initialText }] } } });
    const [stored] = await db.select().from(issueThreadInteractions).where(eq(issueThreadInteractions.id, interaction!.id));
    expect(stored).toMatchObject({ status: "pending", result: null, payload: { questionSet: { questions: [{ initialText }] } } });
    const queueCommand = vi.fn(() => ({ commandId: "edited", controllerSeq: 1 }));
    const release = registerNativeQuestionCommandTarget({ binding: { companyId, issueId, runId, agentId }, queueCommand });
    try {
      await flushNativeQuestionResponses(db, runId);
      expect(queueCommand).not.toHaveBeenCalled();
      const edited = "\n  Operator 漢字 edited\n\nLiteral \\n stays literal.  \n";
      await issueThreadInteractionService(db).answerQuestions(
        { id: issueId, companyId, status: "in_progress" }, interaction!.id,
        respondIssueThreadInteractionSchema.parse({ answers: [{ questionId: "draft", optionIds: [], otherText: edited }] }), { userId: "operator-1" },
      );
      await flushNativeQuestionResponses(db, runId);
      expect(queueCommand).toHaveBeenCalledExactlyOnceWith("request.resolve", {
        requestId: "request-1", response: { schema: "paperclip.question_response.v1", answers: { draft: { text: edited } } },
      }, `question_${interaction!.id}`);
    } finally { release(); }
  });

  it.each(["succeeded", "failed", "cancelled", "timed_out"])("delivers a historical answer exactly once after a %s native run", async status => {
    await seed();
    await db.update(issues).set({ conversationAgentId: agentId, conversationUserId: "operator-1", conversationState: "active", conversationSessionGeneration: 1, executionRunId: null }).where(eq(issues.id, issueId));
    const interaction = await projectNativeRuntimeRequest({ db, binding: binding(), event: runtimeRequestEvent() });
    await db.update(heartbeatRuns).set({ status, finishedAt: new Date() }).where(eq(heartbeatRuns.id, runId));
    await issueThreadInteractionService(db).answerQuestions({ id: issueId, companyId, status: "in_progress" }, interaction!.id,
      { answers: [{ questionId: "color", optionIds: ["green"] }] }, { userId: "operator-1" });
    const queueCommand = vi.fn();
    const release = registerNativeQuestionCommandTarget({ binding: { companyId, issueId, runId, agentId }, queueCommand });
    const targetRunId = randomUUID();
    const wakeup = vi.fn(async () => db.insert(heartbeatRuns).values({ id: targetRunId, companyId, agentId, status: "queued",
      contextSnapshot: { issueId } }).returning().then(rows => rows[0]!));
    const service = questionResponseDeliveryService(db, { heartbeat: { wakeup } as never,
      resolveNativeQuestion: candidate => deliverNativeQuestionResponse(db, candidate) });
    expect(await service.deliver(interaction!.id)).toMatchObject({ status: "fallback_queued", targetRunId });
    expect((await service.deliver(interaction!.id))?.duplicate).toBe(true);
    expect(wakeup).toHaveBeenCalledTimes(1);
    expect(JSON.stringify(wakeup.mock.calls)).toContain(interaction!.id);
    const [saved] = await db.select().from(issueThreadInteractions).where(eq(issueThreadInteractions.id, interaction!.id));
    expect(saved).toMatchObject({ status: "answered", result: { answers: [{ questionId: "color", optionIds: ["green"] }] } });
    const [delivery] = await db.select().from(issueQuestionResponseDeliveries).where(eq(issueQuestionResponseDeliveries.interactionId, interaction!.id));
    expect(delivery).toMatchObject({ targetRunId, sourceRunId: runId, deliveryMode: "wake_fallback", status: "fallback_queued" });
    expect(queueCommand).not.toHaveBeenCalled();
    release();
  });

  it("binds projection to the persisted native run and ignores legacy delivery", async () => {
    await seed();
    const mismatched = runtimeRequestEvent();
    mismatched.runId = randomUUID();
    await expect(projectNativeRuntimeRequest({ db, binding: binding(), event: mismatched }))
      .rejects.toThrow("native_runtime_request_binding_mismatch");

    const interaction = await projectNativeRuntimeRequest({
      db,
      binding: binding(),
      event: runtimeRequestEvent(),
    });
    const answered = await issueThreadInteractionService(db).answerQuestions(
      { id: issueId, companyId, status: "in_progress" },
      interaction!.id,
      { answers: [{ questionId: "color", optionIds: ["green"] }] },
      { userId: "operator-1" },
    );
    await db.update(heartbeatRuns).set({ runtimeMode: "legacy" }).where(eq(heartbeatRuns.id, runId));
    expect(answered.kind).toBe("ask_user_questions");
    if (answered.kind !== "ask_user_questions") throw new Error("expected question interaction");
    await expect(deliverNativeQuestionResponse(db, answered)).resolves.toBe("not_native");
    await expect(nativeQuestionRunToCancel(db, answered)).resolves.toBeNull();
  });

  it("does not duplicate the task card when the runner replays a request", async () => {
    await seed();
    const first = await projectNativeRuntimeRequest({ db, binding: binding(), event: runtimeRequestEvent() });
    const second = await projectNativeRuntimeRequest({ db, binding: binding(), event: runtimeRequestEvent() });
    expect(second?.id).toBe(first?.id);
    expect(await db.select().from(issueThreadInteractions)).toHaveLength(1);
    expect(await db.select().from(activityLog)).toHaveLength(1);
  });

  async function addLaterHumanDirection(interactionId: string) {
    const [question] = await db.select().from(issueThreadInteractions)
      .where(eq(issueThreadInteractions.id, interactionId));
    await db.insert(issueComments).values({ companyId, issueId, authorType: "user", authorUserId: "operator-1",
      body: "Continue with the configuration already selected.", createdAt: new Date(question.createdAt.getTime() + 1000) });
  }

  it.each([false, true])("cancels the active native run when the task is cancelled (historical=%s)", async historical => {
    await seed();
    const interaction = await projectNativeRuntimeRequest({
      db,
      binding: binding(),
      event: runtimeRequestEvent(),
    });
    if (historical) await addLaterHumanDirection(interaction!.id);
    await issueService(db).update(issueId, { status: "cancelled" });

    const [persistedInteraction] = await db.select({ status: issueThreadInteractions.status })
      .from(issueThreadInteractions)
      .where(eq(issueThreadInteractions.id, interaction!.id));
    const [persistedRun] = await db.select({
      status: heartbeatRuns.status,
      resultJson: heartbeatRuns.resultJson,
    }).from(heartbeatRuns).where(eq(heartbeatRuns.id, runId));
    expect(persistedInteraction?.status).toBe("expired");
    expect(persistedRun).toMatchObject({
      status: "cancelled",
      resultJson: {
        cancelledByIssueStatus: "cancelled",
        cancelledIssueId: issueId,
      },
    });
  });

  it.each([false, true])("defers native cancellation until task completion commits (historical=%s)", async historical => {
    await seed();
    const interaction = await projectNativeRuntimeRequest({
      db,
      binding: binding(),
      event: runtimeRequestEvent(),
    });
    if (historical) await addLaterHumanDirection(interaction!.id);
    const postCommitActions: IssuePostCommitAction[] = [];
    await db.transaction(async (tx) => {
      await issueService(db).update(
        issueId,
        { status: "done" },
        tx,
        undefined,
        postCommitActions,
      );
      const [runInsideTransaction] = await tx.select({ status: heartbeatRuns.status })
        .from(heartbeatRuns)
        .where(eq(heartbeatRuns.id, runId));
      expect(runInsideTransaction?.status).toBe("running");
    });

    expect(postCommitActions).toHaveLength(1);
    await executeIssuePostCommitActions(db, postCommitActions);
    const [persistedRun] = await db.select({ status: heartbeatRuns.status })
      .from(heartbeatRuns)
      .where(eq(heartbeatRuns.id, runId));
    expect(persistedRun?.status).toBe("cancelled");
    const [question] = await db.select().from(issueThreadInteractions)
      .where(eq(issueThreadInteractions.id, interaction!.id));
    expect(question.status).toBe(historical ? "pending" : "expired");
    if (historical) {
      await issueThreadInteractionService(db).answerQuestions({ id: issueId, companyId, status: "done" }, interaction!.id,
        { answers: [{ questionId: "color", optionIds: ["green"] }] }, { userId: "operator-1" });
      expect(await db.select().from(issueQuestionResponseDeliveries)).toEqual([]);
      expect((await db.select().from(issues).where(eq(issues.id, issueId)))[0].status).toBe("done");
    }
  });

  it.each([false, true])("recovers task closure cancellation after process exit (historical=%s)", async historical => {
    await seed();
    const interaction = await projectNativeRuntimeRequest({
      db,
      binding: binding(),
      event: runtimeRequestEvent(),
    });
    if (historical) await addLaterHumanDirection(interaction!.id);
    const postCommitActions: IssuePostCommitAction[] = [];
    await db.transaction(async (tx) => {
      await issueService(db).update(
        issueId,
        { status: "done" },
        tx,
        undefined,
        postCommitActions,
      );
    });

    const [markedRun] = await db.select({
      status: heartbeatRuns.status,
      contextSnapshot: heartbeatRuns.contextSnapshot,
    }).from(heartbeatRuns).where(eq(heartbeatRuns.id, runId));
    expect(markedRun).toMatchObject({
      status: "running",
      contextSnapshot: {
        nativeQuestionCancellation: {
          version: 1,
          issueId,
          issueStatus: "done",
        },
      },
    });

    // Simulate process exit before executeIssuePostCommitActions can run.
    await heartbeat.reapOrphanedRuns();

    const [persistedRun] = await db.select({
      status: heartbeatRuns.status,
      resultJson: heartbeatRuns.resultJson,
    }).from(heartbeatRuns).where(eq(heartbeatRuns.id, runId));
    expect(persistedRun).toMatchObject({
      status: "cancelled",
      resultJson: {
        cancelledByIssueStatus: "done",
        cancelledIssueId: issueId,
      },
    });
    const [question] = await db.select().from(issueThreadInteractions)
      .where(eq(issueThreadInteractions.id, interaction!.id));
    expect(question.status).toBe(historical ? "pending" : "expired");
  });

  it("recovers an explicit question withdrawal committed with its cancellation intent", async () => {
    await seed();
    const interaction = await projectNativeRuntimeRequest({
      db,
      binding: binding(),
      event: runtimeRequestEvent(),
    });
    await issueThreadInteractionService(db).withdrawInteraction(
      { id: issueId, companyId },
      interaction!.id,
      { reason: "No longer needed" },
      { userId: "operator-1" },
      {
        afterResolveInTransaction: async (tx, withdrawn) => {
          await expect(requestNativeQuestionRunCancellation(tx, withdrawn, {
            kind: "interaction_withdrawn",
            interactionId: withdrawn.id,
          })).resolves.toBe(runId);
        },
      },
    );

    const [markedRun] = await db.select({ contextSnapshot: heartbeatRuns.contextSnapshot })
      .from(heartbeatRuns)
      .where(eq(heartbeatRuns.id, runId));
    expect(markedRun?.contextSnapshot).toMatchObject({
      nativeQuestionCancellation: {
        version: 1,
        kind: "interaction_withdrawn",
        interactionId: interaction!.id,
        issueId,
      },
    });

    await heartbeat.reapOrphanedRuns();

    const [cancelledRun] = await db.select({
      status: heartbeatRuns.status,
      resultJson: heartbeatRuns.resultJson,
    }).from(heartbeatRuns).where(eq(heartbeatRuns.id, runId));
    expect(cancelledRun).toMatchObject({
      status: "cancelled",
      resultJson: {
        withdrawnInteractionId: interaction!.id,
        cancelledIssueId: issueId,
      },
    });
  });

  it("removes the UI-only marker from a canonical custom response", async () => {
    await seed();
    const event = runtimeRequestEvent();
    const request = event.payload.request as Record<string, unknown>;
    const input = request.input as Record<string, unknown>;
    input.questions = [{
      id: "color",
      prompt: "Which color?",
      required: true,
      answerMode: "single_select",
      options: [{ id: "blue", label: "Blue" }],
      customAnswer: { enabled: true, label: "Another color" },
    }];
    const interaction = await projectNativeRuntimeRequest({ db, binding: binding(), event });
    const answer = {
      answers: [{
        questionId: "color",
        optionIds: ["paperclip_custom_answer"],
        otherText: "purple",
      }],
    };
    await validateNativeQuestionResponseInput(interaction!, answer);
    const answered = await issueThreadInteractionService(db).answerQuestions(
      { id: issueId, companyId, status: "in_progress" },
      interaction!.id,
      answer,
      { userId: "operator-1" },
    );
    expect(answered.kind).toBe("ask_user_questions");
    if (answered.kind !== "ask_user_questions") throw new Error("expected question interaction");

    const queueCommand = vi.fn(() => ({ commandId: "question", controllerSeq: 1 }));
    registerNativeQuestionCommandTarget({
      binding: { companyId, issueId, runId, agentId },
      queueCommand,
    });
    await expect(deliverNativeQuestionResponse(db, answered)).resolves.toBe("queued");
    expect(queueCommand).toHaveBeenCalledWith(
      "request.resolve",
      {
        requestId: "request-1",
        response: {
          schema: "paperclip.question_response.v1",
          answers: { color: { selectedOptionIds: [], customText: "purple" } },
        },
      },
      `question_${interaction!.id}`,
    );
  });
});