import { afterEach, expect, expectTypeOf, test, vi } from "vitest";
import { z } from "zod";
import { DaemonClient, type DaemonTransport } from "./daemon-client";
import {
  encodeFileTransferFrame,
  FileTransferOpcode,
} from "@getpaseo/protocol/binary-frames/index";
import {
  asUint8Array,
  decodeTerminalResizePayload,
  decodeTerminalStreamFrame,
  encodeTerminalSnapshotPayload,
  encodeTerminalStreamFrame,
  TerminalStreamOpcode,
} from "@getpaseo/protocol/terminal-stream-protocol";

expectTypeOf<"getGitDiff" extends keyof DaemonClient ? true : false>().toEqualTypeOf<false>();
expectTypeOf<
  "getHighlightedDiff" extends keyof DaemonClient ? true : false
>().toEqualTypeOf<false>();
expectTypeOf<
  "exploreFileSystem" extends keyof DaemonClient ? true : false
>().toEqualTypeOf<false>();

function createMockLogger() {
  return {
    debug: vi.fn(),
    info: vi.fn(),
    warn: vi.fn(),
    error: vi.fn(),
  };
}

function createMockTransport() {
  const sent: Array<string | Uint8Array | ArrayBuffer> = [];

  let onMessage: (data: unknown) => void = () => {};
  let onOpen: () => void = () => {};
  let onClose: (_event?: unknown) => void = () => {};
  let onError: (_event?: unknown) => void = () => {};
  let serverInfoOrdinal = 1;

  const transport: DaemonTransport = {
    send: (data) => sent.push(data),
    close: () => {},
    onMessage: (handler) => {
      onMessage = handler;
      return () => {};
    },
    onOpen: (handler) => {
      onOpen = handler;
      return () => {};
    },
    onClose: (handler) => {
      onClose = handler;
      return () => {};
    },
    onError: (handler) => {
      onError = handler;
      return () => {};
    },
  };

  return {
    transport,
    sent,
    triggerOpen: (options?: { preserveSent?: boolean }) => {
      onOpen();
      if (!options?.preserveSent) {
        // Ignore HELLO handshake payloads in assertions.
        sent.length = 0;
      }
      onMessage(
        JSON.stringify({
          type: "session",
          message: {
            type: "status",
            payload: {
              status: "server_info",
              serverId: `srv_test_${serverInfoOrdinal++}`,
              hostname: null,
              version: null,
            },
          },
        }),
      );
    },
    triggerClose: (event?: unknown) => onClose(event),
    triggerError: (event?: unknown) => onError(event),
    triggerMessage: (data: unknown) => onMessage(data),
  };
}

function wrapSessionMessage(message: unknown): string {
  return JSON.stringify({
    type: "session",
    message,
  });
}

function assertStr(data: string | Uint8Array | ArrayBuffer | undefined): string {
  if (typeof data !== "string") throw new Error("Expected string frame");
  return data;
}

function parseSentFrame(
  data: string | Uint8Array | ArrayBuffer | undefined,
): Record<string, unknown> {
  return z
    .object({
      type: z.literal("session"),
      message: z.record(z.unknown()),
    })
    .parse(JSON.parse(assertStr(data))).message;
}

const clients: DaemonClient[] = [];

afterEach(async () => {
  await Promise.all(clients.map((client) => client.close()));
  clients.length = 0;
});

test("dedupes in-flight checkout status requests per agentId", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const p1 = client.getCheckoutStatus("/tmp/project");
  const p2 = client.getCheckoutStatus("/tmp/project");

  expect(mock.sent).toHaveLength(1);

  const request = parseSentFrame(mock.sent[0]);

  const response = {
    type: "session",
    message: {
      type: "checkout_status_response",
      payload: {
        cwd: "/tmp/project",
        error: null,
        requestId: request.requestId,
        isGit: false,
        isPaseoOwnedWorktree: false,
        repoRoot: null,
        currentBranch: null,
        isDirty: null,
        baseRef: null,
        aheadBehind: null,
        aheadOfOrigin: null,
        behindOfOrigin: null,
        hasRemote: false,
        remoteUrl: null,
      },
    },
  };

  mock.triggerMessage(JSON.stringify(response));
  const [r1, r2] = await Promise.all([p1, p2]);
  expect(r1).toMatchObject({
    cwd: "/tmp/project",
    requestId: request.requestId,
    isGit: false,
  });
  expect(r2).toMatchObject({
    cwd: "/tmp/project",
    requestId: request.requestId,
    isGit: false,
  });

  // After completion, a new call should issue a new request.
  const p3 = client.getCheckoutStatus("/tmp/project");
  expect(mock.sent).toHaveLength(2);

  const request2 = parseSentFrame(mock.sent[1]);

  mock.triggerMessage(
    JSON.stringify({
      ...response,
      message: {
        ...response.message,
        payload: { ...response.message.payload, requestId: request2.requestId },
      },
    }),
  );

  await expect(p3).resolves.toMatchObject({
    cwd: "/tmp/project",
    requestId: request2.requestId,
    isGit: false,
  });
});

test("passes password as HTTP bearer header and WebSocket subprotocol", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();
  const transportFactory = vi.fn(() => mock.transport);

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    password: "shared-secret",
    logger,
    reconnect: { enabled: false },
    transportFactory,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  expect(transportFactory).toHaveBeenCalledWith({
    url: "ws://test",
    headers: { Authorization: "Bearer shared-secret" },
    protocols: ["paseo.bearer.shared-secret"],
  });
});

test("advertises client capabilities in hello", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen({ preserveSent: true });
  await connectPromise;

  expect(mock.sent).toHaveLength(1);
  expect(JSON.parse(assertStr(mock.sent[0]))).toEqual({
    type: "hello",
    clientId: "clsk_unit_test",
    clientType: "cli",
    protocolVersion: 1,
    capabilities: {
      custom_mode_icons: true,
      reasoning_merge_enum: true,
    },
  });
});

test("does not reconnect after close when ensureConnected is called", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;
  expect(client.getConnectionState().status).toBe("connected");

  await client.close();
  expect(client.getConnectionState().status).toBe("disposed");

  client.ensureConnected();
  expect(client.getConnectionState().status).toBe("disposed");
});

test("keeps the transport connected when a session RPC ping times out", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;
  expect(client.getConnectionState().status).toBe("connected");

  await expect(client.ping({ timeoutMs: 1 })).rejects.toThrow("Timeout waiting for message");

  expect(client.getConnectionState().status).toBe("connected");
});

test("reconnects after repeated top-level liveness checks time out", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;
  expect(client.getConnectionState().status).toBe("connected");

  await expect(client.checkLiveness({ timeoutMs: 1 })).rejects.toThrow("Liveness check timed out");
  expect(client.getConnectionState().status).toBe("connected");

  await expect(client.checkLiveness({ timeoutMs: 1 })).rejects.toThrow("Liveness check timed out");
  expect(client.getConnectionState()).toEqual({
    status: "disconnected",
    reason: "Liveness check timed out (1ms)",
  });
});

test("resets liveness failures after a top-level pong", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  await expect(client.checkLiveness({ timeoutMs: 1 })).rejects.toThrow("Liveness check timed out");

  const healthyProbe = client.checkLiveness({ timeoutMs: 100 });
  mock.triggerMessage(JSON.stringify({ type: "pong" }));
  await expect(healthyProbe).resolves.toEqual({ rttMs: expect.any(Number) });

  await expect(client.checkLiveness({ timeoutMs: 1 })).rejects.toThrow("Liveness check timed out");
  expect(client.getConnectionState().status).toBe("connected");
});

test("listDirectory sends a list file explorer request and returns directory entries", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const responsePromise = client.listDirectory("/tmp/project", "src", "req-list");

  expect(JSON.parse(assertStr(mock.sent[0]))).toEqual({
    type: "session",
    message: {
      type: "file_explorer_request",
      cwd: "/tmp/project",
      path: "src",
      mode: "list",
      requestId: "req-list",
    },
  });

  mock.triggerMessage(
    wrapSessionMessage({
      type: "file_explorer_response",
      payload: {
        cwd: "/tmp/project",
        path: "src",
        mode: "list",
        directory: {
          path: "src",
          entries: [
            {
              name: "index.ts",
              path: "src/index.ts",
              kind: "file",
              size: 12,
              modifiedAt: "2026-05-02T00:00:00.000Z",
            },
          ],
        },
        file: null,
        error: null,
        requestId: "req-list",
      },
    }),
  );

  await expect(responsePromise).resolves.toEqual({
    path: "src",
    entries: [
      {
        name: "index.ts",
        path: "src/index.ts",
        kind: "file",
        size: 12,
        modifiedAt: "2026-05-02T00:00:00.000Z",
      },
    ],
  });
});

test("readFile hides legacy base64 behind bytes", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const responsePromise = client.readFile("/tmp/project", "logo.png", "req-file");

  expect(JSON.parse(assertStr(mock.sent[0]))).toEqual({
    type: "session",
    message: {
      type: "file_explorer_request",
      cwd: "/tmp/project",
      path: "logo.png",
      mode: "file",
      acceptBinary: true,
      requestId: "req-file",
    },
  });

  mock.triggerMessage(
    wrapSessionMessage({
      type: "file_explorer_response",
      payload: {
        cwd: "/tmp/project",
        path: "logo.png",
        mode: "file",
        directory: null,
        file: {
          path: "logo.png",
          kind: "image",
          encoding: "base64",
          content: "aGVsbG8=",
          mimeType: "image/png",
          size: 5,
          modifiedAt: "2026-05-02T00:00:00.000Z",
        },
        error: null,
        requestId: "req-file",
      },
    }),
  );

  const result = await responsePromise;
  expect(result).toMatchObject({
    mime: "image/png",
    size: 5,
    path: "logo.png",
    kind: "image",
    modifiedAt: "2026-05-02T00:00:00.000Z",
  });
  expect(new TextDecoder().decode(result.bytes)).toBe("hello");
});

test("readFile resolves from binary file frames when the daemon supports them", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const responsePromise = client.readFile("/tmp/project", "logo.png", "req-binary");

  expect(JSON.parse(assertStr(mock.sent[0]))).toEqual({
    type: "session",
    message: {
      type: "file_explorer_request",
      cwd: "/tmp/project",
      path: "logo.png",
      mode: "file",
      acceptBinary: true,
      requestId: "req-binary",
    },
  });

  mock.triggerMessage(
    encodeFileTransferFrame({
      opcode: FileTransferOpcode.FileBegin,
      requestId: "req-binary",
      metadata: {
        mime: "image/png",
        size: 5,
        encoding: "binary",
        modifiedAt: "2026-05-02T00:00:00.000Z",
      },
    }),
  );
  mock.triggerMessage(
    encodeFileTransferFrame({
      opcode: FileTransferOpcode.FileChunk,
      requestId: "req-binary",
      payload: new TextEncoder().encode("hello"),
    }),
  );
  mock.triggerMessage(
    encodeFileTransferFrame({
      opcode: FileTransferOpcode.FileEnd,
      requestId: "req-binary",
    }),
  );

  const result = await responsePromise;
  expect(result).toMatchObject({
    mime: "image/png",
    size: 5,
    path: "logo.png",
    kind: "image",
    modifiedAt: "2026-05-02T00:00:00.000Z",
  });
  expect(new TextDecoder().decode(result.bytes)).toBe("hello");
});

test("normalizes workspace_setup_progress into a workspace-scoped daemon event", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const events: Array<Parameters<Parameters<typeof client.subscribe>[0]>[0]> = [];
  client.subscribe((event) => {
    events.push(event);
  });

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  mock.triggerMessage(
    wrapSessionMessage({
      type: "workspace_setup_progress",
      payload: {
        workspaceId: "ws-feature-a",
        status: "running",
        detail: {
          type: "worktree_setup",
          worktreePath: "/tmp/project/.paseo/worktrees/feature-a",
          branchName: "feature-a",
          log: "phase-one\n",
          commands: [
            {
              index: 1,
              command: "npm install",
              cwd: "/tmp/project/.paseo/worktrees/feature-a",
              log: "phase-one\n",
              status: "running",
              exitCode: null,
            },
          ],
        },
        error: null,
      },
    }),
  );

  expect(events).toContainEqual({
    type: "workspace_setup_progress",
    workspaceId: "ws-feature-a",
    payload: {
      workspaceId: "ws-feature-a",
      status: "running",
      detail: {
        type: "worktree_setup",
        worktreePath: "/tmp/project/.paseo/worktrees/feature-a",
        branchName: "feature-a",
        log: "phase-one\n",
        commands: [
          {
            index: 1,
            command: "npm install",
            cwd: "/tmp/project/.paseo/worktrees/feature-a",
            log: "phase-one\n",
            status: "running",
            exitCode: null,
          },
        ],
      },
      error: null,
    },
  });
});

test("sends create_agent_request with string workspace ids", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const createPromise = client.createAgent({
    provider: "codex",
    cwd: "/tmp/project/.paseo/worktrees/feature-a",
    workspaceId: "ws-feature-a",
    title: "Compat agent",
    modeId: "default",
  });

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request).toEqual(
    expect.objectContaining({
      type: "create_agent_request",
      workspaceId: "ws-feature-a",
    }),
  );

  mock.triggerMessage(
    wrapSessionMessage({
      type: "status",
      payload: {
        status: "agent_create_failed",
        requestId: request.requestId,
        error: "compat test sentinel",
      },
    }),
  );

  await expect(createPromise).rejects.toThrow("compat test sentinel");
});

test("sends worktree target and autoArchive in create_agent_request", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const createPromise = client.createAgent({
    provider: "codex",
    cwd: "/tmp/project",
    worktree: {
      mode: "branch-off",
      newBranch: "agent-lifecycle-dispatch",
      base: "main",
    },
    autoArchive: true,
  });

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request).toEqual(
    expect.objectContaining({
      type: "create_agent_request",
      worktree: {
        mode: "branch-off",
        newBranch: "agent-lifecycle-dispatch",
        base: "main",
      },
      autoArchive: true,
    }),
  );

  mock.triggerMessage(
    wrapSessionMessage({
      type: "status",
      payload: {
        status: "agent_create_failed",
        requestId: request.requestId,
        error: "worktree auto archive sentinel",
      },
    }),
  );

  await expect(createPromise).rejects.toThrow("worktree auto archive sentinel");
});

test("sends structured attachments with create_agent_request", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const createPromise = client.createAgent({
    provider: "codex",
    cwd: "/tmp/project",
    initialPrompt: "Review this PR",
    attachments: [
      {
        type: "github_pr",
        mimeType: "application/github-pr",
        number: 123,
        title: "Fix race in worktree setup",
        url: "https://github.com/getpaseo/paseo/pull/123",
        baseRefName: "main",
        headRefName: "fix/worktree-race",
      },
    ],
  });

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request.attachments).toEqual([
    {
      type: "github_pr",
      mimeType: "application/github-pr",
      number: 123,
      title: "Fix race in worktree setup",
      url: "https://github.com/getpaseo/paseo/pull/123",
      baseRefName: "main",
      headRefName: "fix/worktree-race",
    },
  ]);

  mock.triggerMessage(
    wrapSessionMessage({
      type: "status",
      payload: {
        status: "agent_create_failed",
        requestId: request.requestId,
        error: "attachment test sentinel",
      },
    }),
  );

  await expect(createPromise).rejects.toThrow("attachment test sentinel");
});

test("sends worktree base-ref fields in create_agent_request git options", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const createPromise = client.createAgent({
    provider: "codex",
    cwd: "/tmp/project",
    requestId: "req-agent-ref",
    git: {
      createWorktree: true,
      worktreeSlug: "review-pr-123",
      refName: "feature/worktree-base-ref",
      action: "checkout",
      githubPrNumber: 123,
    },
  });

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request.git).toEqual({
    createWorktree: true,
    worktreeSlug: "review-pr-123",
    refName: "feature/worktree-base-ref",
    action: "checkout",
    githubPrNumber: 123,
  });

  mock.triggerMessage(
    wrapSessionMessage({
      type: "status",
      payload: {
        status: "agent_create_failed",
        requestId: request.requestId,
        error: "git ref fields sentinel",
      },
    }),
  );

  await expect(createPromise).rejects.toThrow("git ref fields sentinel");
});

test("omitting create_agent_request worktree base-ref fields preserves legacy wire shape", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const createPromise = client.createAgent({
    provider: "codex",
    cwd: "/tmp/project",
    requestId: "req-agent-legacy",
    git: {
      createWorktree: true,
      worktreeSlug: "feature-a",
    },
  });

  expect(assertStr(mock.sent[0])).toBe(
    JSON.stringify({
      type: "session",
      message: {
        type: "create_agent_request",
        config: {
          provider: "codex",
          cwd: "/tmp/project",
        },
        git: {
          createWorktree: true,
          worktreeSlug: "feature-a",
        },
        labels: {},
        requestId: "req-agent-legacy",
      },
    }),
  );

  mock.triggerMessage(
    wrapSessionMessage({
      type: "status",
      payload: {
        status: "agent_create_failed",
        requestId: "req-agent-legacy",
        error: "legacy git shape sentinel",
      },
    }),
  );

  await expect(createPromise).rejects.toThrow("legacy git shape sentinel");
});

test("sends structured first-agent context attachments with create_paseo_worktree_request", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const createPromise = client.createPaseoWorktree({
    cwd: "/tmp/project",
    worktreeSlug: "review-pr-123",
    firstAgentContext: {
      attachments: [
        {
          type: "github_pr",
          mimeType: "application/github-pr",
          number: 123,
          title: "Fix race in worktree setup",
          url: "https://github.com/getpaseo/paseo/pull/123",
        },
      ],
    },
  });

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  const firstAgentContext = z
    .object({ attachments: z.array(z.unknown()) })
    .parse(request.firstAgentContext);
  expect(firstAgentContext.attachments).toEqual([
    {
      type: "github_pr",
      mimeType: "application/github-pr",
      number: 123,
      title: "Fix race in worktree setup",
      url: "https://github.com/getpaseo/paseo/pull/123",
    },
  ]);

  mock.triggerMessage(
    wrapSessionMessage({
      type: "create_paseo_worktree_response",
      payload: {
        requestId: request.requestId,
        workspace: null,
        error: "worktree attachment sentinel",
        setupTerminalId: null,
      },
    }),
  );

  await expect(createPromise).resolves.toEqual({
    requestId: request.requestId,
    workspace: null,
    error: "worktree attachment sentinel",
    setupTerminalId: null,
  });
});

test("sends worktree base-ref fields in create_paseo_worktree_request", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const createPromise = client.createPaseoWorktree(
    {
      cwd: "/tmp/project",
      projectId: "remote:github.com/acme/project",
      worktreeSlug: "review-pr-123",
      refName: "feature/worktree-base-ref",
      action: "checkout",
      githubPrNumber: 123,
    },
    "req-worktree-ref",
  );

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request).toEqual({
    type: "create_paseo_worktree_request",
    cwd: "/tmp/project",
    projectId: "remote:github.com/acme/project",
    worktreeSlug: "review-pr-123",
    refName: "feature/worktree-base-ref",
    action: "checkout",
    githubPrNumber: 123,
    requestId: "req-worktree-ref",
  });

  mock.triggerMessage(
    wrapSessionMessage({
      type: "create_paseo_worktree_response",
      payload: {
        requestId: request.requestId,
        workspace: null,
        error: "worktree ref fields sentinel",
        setupTerminalId: null,
      },
    }),
  );

  await expect(createPromise).resolves.toEqual({
    requestId: request.requestId,
    workspace: null,
    error: "worktree ref fields sentinel",
    setupTerminalId: null,
  });
});

test("omitting create_paseo_worktree_request worktree base-ref fields preserves legacy wire shape", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const createPromise = client.createPaseoWorktree(
    {
      cwd: "/tmp/project",
      worktreeSlug: "feature-a",
    },
    "req-worktree-legacy",
  );

  expect(assertStr(mock.sent[0])).toBe(
    JSON.stringify({
      type: "session",
      message: {
        type: "create_paseo_worktree_request",
        cwd: "/tmp/project",
        worktreeSlug: "feature-a",
        requestId: "req-worktree-legacy",
      },
    }),
  );

  mock.triggerMessage(
    wrapSessionMessage({
      type: "create_paseo_worktree_response",
      payload: {
        requestId: "req-worktree-legacy",
        workspace: null,
        error: "legacy worktree shape sentinel",
        setupTerminalId: null,
      },
    }),
  );

  await expect(createPromise).resolves.toEqual({
    requestId: "req-worktree-legacy",
    workspace: null,
    error: "legacy worktree shape sentinel",
    setupTerminalId: null,
  });
});

test("sends explicit shutdown_server_request via shutdownServer", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const lifecycleClient = client as unknown as {
    shutdownServer: (requestId?: string) => Promise<{
      status: "shutdown_requested";
      clientId: string;
      requestId: string;
    }>;
  };

  expect(typeof lifecycleClient.shutdownServer).toBe("function");
  const promise = lifecycleClient.shutdownServer("req-shutdown-1");

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request).toEqual({
    type: "shutdown_server_request",
    requestId: "req-shutdown-1",
  });

  mock.triggerMessage(
    wrapSessionMessage({
      type: "status",
      payload: {
        status: "shutdown_requested",
        clientId: "clsk_unit_test",
        requestId: "req-shutdown-1",
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    status: "shutdown_requested",
    clientId: "clsk_unit_test",
    requestId: "req-shutdown-1",
  });
});

test("restartServer remains restart-only and sends restart_server_request", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.restartServer("settings_update", "req-restart-1");

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request).toEqual({
    type: "restart_server_request",
    reason: "settings_update",
    requestId: "req-restart-1",
  });

  mock.triggerMessage(
    wrapSessionMessage({
      type: "status",
      payload: {
        status: "restart_requested",
        clientId: "clsk_unit_test",
        reason: "settings_update",
        requestId: "req-restart-1",
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    status: "restart_requested",
    clientId: "clsk_unit_test",
    reason: "settings_update",
    requestId: "req-restart-1",
  });
});

test("transitions out of connecting when connect timeout elapses", async () => {
  vi.useFakeTimers();
  try {
    const logger = createMockLogger();
    const mock = createMockTransport();

    const client = new DaemonClient({
      url: "ws://test",
      clientId: "clsk_unit_test",
      logger,
      reconnect: { enabled: false },
      connectTimeoutMs: 100,
      transportFactory: () => mock.transport,
    });
    clients.push(client);

    const pendingConnect = client.connect().then(
      () => ({ ok: true as const }),
      (error) => ({ ok: false as const, error }),
    );
    expect(client.getConnectionState().status).toBe("connecting");

    await vi.advanceTimersByTimeAsync(120);
    const result = await pendingConnect;
    expect(result.ok).toBe(false);
    if (!result.ok) {
      expect(result.error).toBeInstanceOf(Error);
      if (result.error instanceof Error) {
        expect(result.error.message).toContain("Connection timed out");
      }
    }
    expect(client.getConnectionState().status).toBe("disconnected");
  } finally {
    vi.useRealTimers();
  }
});

test("reconnects after relay close with replaced-by-new-connection reason", async () => {
  vi.useFakeTimers();
  try {
    const logger = createMockLogger();
    const first = createMockTransport();
    const second = createMockTransport();
    const transports = [first, second];
    let transportIndex = 0;

    const client = new DaemonClient({
      url: "ws://relay.test/ws?role=client&serverId=srv_test&v=2",
      clientId: "clsk_test",
      logger,
      reconnect: {
        enabled: true,
        baseDelayMs: 5,
        maxDelayMs: 5,
      },
      transportFactory: () => {
        const next = transports[Math.min(transportIndex, transports.length - 1)];
        transportIndex += 1;
        return next.transport;
      },
    });
    clients.push(client);

    const connectPromise = client.connect();
    first.triggerOpen();
    await connectPromise;
    expect(client.getConnectionState().status).toBe("connected");

    first.triggerClose({ code: 1008, reason: "Replaced by new connection" });
    expect(client.getConnectionState().status).toBe("disconnected");

    await vi.advanceTimersByTimeAsync(10);
    expect(client.getConnectionState().status).toBe("connecting");

    second.triggerOpen();
    expect(client.getConnectionState().status).toBe("connected");
  } finally {
    vi.useRealTimers();
  }
});

test("requires non-empty clientId", () => {
  expect(() => {
    const _client = new DaemonClient({
      url: "ws://relay.test/ws?role=client&serverId=srv_test&v=2",
      clientId: "",
      reconnect: { enabled: false },
    });
    void _client;
  }).toThrow("Daemon client requires a non-empty clientId");
});

test("requires non-empty clientId for direct connections", () => {
  expect(() => {
    const _client = new DaemonClient({
      url: "ws://127.0.0.1:6767/ws",
      clientId: "   ",
      reconnect: { enabled: false },
    });
    void _client;
  }).toThrow("Daemon client requires a non-empty clientId");
});

test("logs configured runtime generation in connection transition events", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    runtimeGeneration: 7,
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const transitionPayloads = logger.debug.mock.calls.filter(
    ([, message]) => message === "DaemonClientTransition",
  );
  expect(transitionPayloads.length).toBeGreaterThan(0);
  for (const [payload] of transitionPayloads) {
    expect(
      z.object({ generation: z.number().nullable().optional() }).parse(payload).generation,
    ).toBe(7);
  }
});

test("subscribes to checkout diff updates via RPC handshake", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.subscribeCheckoutDiff(
    "/tmp/project",
    { mode: "uncommitted" },
    { subscriptionId: "checkout-sub-1" },
  );

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request.type).toBe("subscribe_checkout_diff_request");
  expect(request.subscriptionId).toBe("checkout-sub-1");
  expect(request.cwd).toBe("/tmp/project");
  expect(request.compare).toEqual({ mode: "uncommitted" });

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "subscribe_checkout_diff_response",
        payload: {
          subscriptionId: "checkout-sub-1",
          cwd: "/tmp/project",
          files: [],
          error: null,
          requestId: request.requestId,
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    subscriptionId: "checkout-sub-1",
    cwd: "/tmp/project",
    files: [],
    error: null,
    requestId: request.requestId,
  });
});

test("getCheckoutDiff uses one-shot subscription protocol", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.getCheckoutDiff("/tmp/project", { mode: "base", baseRef: "main" });

  expect(mock.sent).toHaveLength(1);
  const subscribeRequest = parseSentFrame(mock.sent[0]);
  expect(subscribeRequest.type).toBe("subscribe_checkout_diff_request");
  expect(subscribeRequest.cwd).toBe("/tmp/project");
  expect(subscribeRequest.compare).toEqual({
    mode: "base",
    baseRef: "main",
  });

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "subscribe_checkout_diff_response",
        payload: {
          subscriptionId: subscribeRequest.subscriptionId,
          cwd: "/tmp/project",
          files: [],
          error: null,
          requestId: subscribeRequest.requestId,
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    cwd: "/tmp/project",
    files: [],
    error: null,
    requestId: subscribeRequest.requestId,
  });

  expect(mock.sent).toHaveLength(2);
  const unsubscribeRequest = parseSentFrame(mock.sent[1]);
  expect(unsubscribeRequest.type).toBe("unsubscribe_checkout_diff_request");
  expect(unsubscribeRequest.subscriptionId).toBe(subscribeRequest.subscriptionId);
});

test("requests branch suggestions via RPC", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.getBranchSuggestions(
    { cwd: "/tmp/project", query: "mai", limit: 5 },
    "req-branches",
  );

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request.type).toBe("branch_suggestions_request");
  expect(request.cwd).toBe("/tmp/project");
  expect(request.query).toBe("mai");
  expect(request.limit).toBe(5);
  expect(request.requestId).toBe("req-branches");

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "branch_suggestions_response",
        payload: {
          branches: ["main"],
          error: null,
          requestId: "req-branches",
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    branches: ["main"],
    error: null,
    requestId: "req-branches",
  });
});

test("reads project config via correlated RPC", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();
  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.readProjectConfig("/repo/app", "read-project-config-1");

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request).toEqual({
    type: "read_project_config_request",
    requestId: "read-project-config-1",
    repoRoot: "/repo/app",
  });

  mock.triggerMessage(
    wrapSessionMessage({
      type: "read_project_config_response",
      payload: {
        requestId: "read-project-config-1",
        repoRoot: "/repo/app",
        ok: true,
        config: { worktree: { setup: "npm install" } },
        revision: { mtimeMs: 10, size: 20 },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    requestId: "read-project-config-1",
    repoRoot: "/repo/app",
    ok: true,
    config: { worktree: { setup: "npm install" } },
    revision: { mtimeMs: 10, size: 20 },
  });
});

test("writes project config via correlated RPC and returns inline failures", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();
  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.writeProjectConfig({
    requestId: "write-project-config-1",
    repoRoot: "/repo/app",
    config: { worktree: { setup: ["npm install"] } },
    expectedRevision: { mtimeMs: 10, size: 20 },
  });

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request).toEqual({
    type: "write_project_config_request",
    requestId: "write-project-config-1",
    repoRoot: "/repo/app",
    config: { worktree: { setup: ["npm install"] } },
    expectedRevision: { mtimeMs: 10, size: 20 },
  });

  mock.triggerMessage(
    wrapSessionMessage({
      type: "write_project_config_response",
      payload: {
        requestId: "write-project-config-1",
        repoRoot: "/repo/app",
        ok: false,
        error: {
          code: "stale_project_config",
          currentRevision: { mtimeMs: 11, size: 21 },
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    requestId: "write-project-config-1",
    repoRoot: "/repo/app",
    ok: false,
    error: {
      code: "stale_project_config",
      currentRevision: { mtimeMs: 11, size: 21 },
    },
  });
});

test("requests directory suggestions via RPC", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.getDirectorySuggestions(
    {
      query: "proj",
      limit: 10,
      cwd: "/tmp/project",
      includeFiles: true,
      includeDirectories: true,
      matchMode: "suffix",
    },
    "req-directories",
  );

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request.type).toBe("directory_suggestions_request");
  expect(request.query).toBe("proj");
  expect(request.cwd).toBe("/tmp/project");
  expect(request.includeFiles).toBe(true);
  expect(request.includeDirectories).toBe(true);
  expect(request.matchMode).toBe("suffix");
  expect(request.limit).toBe(10);
  expect(request.requestId).toBe("req-directories");

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "directory_suggestions_response",
        payload: {
          directories: ["/Users/test/projects/paseo"],
          entries: [{ path: "README.md", kind: "file" }],
          error: null,
          requestId: "req-directories",
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    directories: ["/Users/test/projects/paseo"],
    entries: [{ path: "README.md", kind: "file" }],
    error: null,
    requestId: "req-directories",
  });
});

test("requests checkout merge from base via RPC", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.checkoutMergeFromBase(
    "/tmp/project",
    { baseRef: "main", requireCleanTarget: true },
    "req-merge-from-base",
  );

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request.type).toBe("checkout_merge_from_base_request");
  expect(request.cwd).toBe("/tmp/project");
  expect(request.baseRef).toBe("main");
  expect(request.requireCleanTarget).toBe(true);
  expect(request.requestId).toBe("req-merge-from-base");

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "checkout_merge_from_base_response",
        payload: {
          cwd: "/tmp/project",
          requestId: "req-merge-from-base",
          success: true,
          error: null,
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    cwd: "/tmp/project",
    requestId: "req-merge-from-base",
    success: true,
    error: null,
  });
});

test("requests GitHub auto-merge enable via namespaced RPC", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.checkoutGithubSetAutoMerge(
    "/tmp/project",
    { enabled: true, method: "squash" },
    "req-enable-auto-merge",
  );

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request.type).toBe("checkout.github.set_auto_merge.request");
  expect(request.cwd).toBe("/tmp/project");
  expect(request.enabled).toBe(true);
  expect(request.mergeMethod).toBe("squash");
  expect(request.requestId).toBe("req-enable-auto-merge");

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "checkout.github.set_auto_merge.response",
        payload: {
          cwd: "/tmp/project",
          enabled: true,
          requestId: "req-enable-auto-merge",
          success: true,
          error: null,
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    cwd: "/tmp/project",
    enabled: true,
    requestId: "req-enable-auto-merge",
    success: true,
    error: null,
  });
});

test("requests GitHub auto-merge disable via namespaced RPC", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.checkoutGithubSetAutoMerge(
    "/tmp/project",
    { enabled: false },
    "req-disable-auto-merge",
  );

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request.type).toBe("checkout.github.set_auto_merge.request");
  expect(request.cwd).toBe("/tmp/project");
  expect(request.enabled).toBe(false);
  expect(request.mergeMethod).toBeUndefined();
  expect(request.requestId).toBe("req-disable-auto-merge");

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "checkout.github.set_auto_merge.response",
        payload: {
          cwd: "/tmp/project",
          enabled: false,
          requestId: "req-disable-auto-merge",
          success: true,
          error: null,
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    cwd: "/tmp/project",
    enabled: false,
    requestId: "req-disable-auto-merge",
    success: true,
    error: null,
  });
});

test("requests checkout pull via RPC", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.checkoutPull("/tmp/project", "req-pull");

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request.type).toBe("checkout_pull_request");
  expect(request.cwd).toBe("/tmp/project");
  expect(request.requestId).toBe("req-pull");

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "checkout_pull_response",
        payload: {
          cwd: "/tmp/project",
          requestId: "req-pull",
          success: true,
          error: null,
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    cwd: "/tmp/project",
    requestId: "req-pull",
    success: true,
    error: null,
  });
});

test("renames a branch via RPC", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.renameBranch({
    cwd: "/tmp/project",
    branch: "feature/new-name",
    requestId: "req-rename-branch",
  });

  expect(mock.sent).toHaveLength(1);
  const request = JSON.parse(mock.sent[0]) as {
    type: "session";
    message: {
      type: "checkout.rename_branch.request";
      cwd: string;
      branch: string;
      requestId: string;
    };
  };
  expect(request.message.type).toBe("checkout.rename_branch.request");
  expect(request.message.cwd).toBe("/tmp/project");
  expect(request.message.branch).toBe("feature/new-name");
  expect(request.message.requestId).toBe("req-rename-branch");

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "checkout.rename_branch.response",
        payload: {
          requestId: "req-rename-branch",
          success: true,
          cwd: "/tmp/project",
          currentBranch: "feature/new-name",
          error: null,
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    requestId: "req-rename-branch",
    success: true,
    cwd: "/tmp/project",
    currentBranch: "feature/new-name",
    error: null,
  });
});

test("returns renameBranch business failures", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.renameBranch({
    cwd: "/tmp/project",
    branch: "already-exists",
    requestId: "req-rename-branch-fail",
  });

  expect(mock.sent).toHaveLength(1);

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "checkout.rename_branch.response",
        payload: {
          requestId: "req-rename-branch-fail",
          success: false,
          cwd: "/tmp/project",
          currentBranch: null,
          error: { code: "NOT_ALLOWED", message: "Branch already exists" },
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    requestId: "req-rename-branch-fail",
    success: false,
    cwd: "/tmp/project",
    currentBranch: null,
    error: { code: "NOT_ALLOWED", message: "Branch already exists" },
  });
});

test("resubscribes checkout diff streams after reconnect", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const internal = client as unknown as {
    checkoutDiffSubscriptions: Map<
      string,
      { cwd: string; compare: { mode: "uncommitted" | "base"; baseRef?: string } }
    >;
  };
  internal.checkoutDiffSubscriptions.set("checkout-sub-1", {
    cwd: "/tmp/project",
    compare: { mode: "base", baseRef: "main" },
  });

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request.type).toBe("subscribe_checkout_diff_request");
  expect(request.subscriptionId).toBe("checkout-sub-1");
  expect(request.cwd).toBe("/tmp/project");
  expect(request.compare).toEqual({ mode: "base", baseRef: "main" });
  expect(typeof request.requestId).toBe("string");
  expect(z.string().parse(request.requestId).length).toBeGreaterThan(0);
});

test("fetches agents via RPC with filters, sort, and pagination", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.fetchAgents({
    filter: { labels: { surface: "workspace" } },
    sort: [
      { key: "status_priority", direction: "asc" },
      { key: "created_at", direction: "desc" },
    ],
    page: { limit: 25, cursor: "cursor-1" },
    subscribe: { subscriptionId: "sub-1" },
  });

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request.type).toBe("fetch_agents_request");
  expect(request.sort).toEqual([
    { key: "status_priority", direction: "asc" },
    { key: "created_at", direction: "desc" },
  ]);
  expect(request.page).toEqual({ limit: 25, cursor: "cursor-1" });
  expect(request.subscribe).toEqual({ subscriptionId: "sub-1" });

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "fetch_agents_response",
        payload: {
          requestId: request.requestId,
          subscriptionId: "sub-1",
          entries: [],
          pageInfo: {
            nextCursor: null,
            prevCursor: "cursor-1",
            hasMore: false,
          },
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    requestId: request.requestId,
    subscriptionId: "sub-1",
    entries: [],
    pageInfo: {
      nextCursor: null,
      prevCursor: "cursor-1",
      hasMore: false,
    },
  });
});

test("sends active-scoped fetch_agents_request", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.fetchAgents({
    scope: "active",
    page: { limit: 50 },
  });

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request).toMatchObject({
    type: "fetch_agents_request",
    scope: "active",
  });

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "fetch_agents_response",
        payload: {
          requestId: request.requestId,
          entries: [],
          pageInfo: {
            nextCursor: null,
            prevCursor: null,
            hasMore: false,
          },
        },
      },
    }),
  );

  await expect(promise).resolves.toMatchObject({
    requestId: request.requestId,
    entries: [],
  });
});

test("fetches paginated agent history separately from active agents", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.fetchAgentHistory({
    page: { limit: 25, cursor: "cursor-1" },
    sort: [{ key: "updated_at", direction: "desc" }],
  });

  expect(mock.sent).toHaveLength(1);
  const request = parseSentFrame(mock.sent[0]);
  expect(request.type).toBe("fetch_agent_history_request");
  expect(request.page).toEqual({ limit: 25, cursor: "cursor-1" });

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "fetch_agent_history_response",
        payload: {
          requestId: request.requestId,
          entries: [],
          pageInfo: {
            nextCursor: null,
            prevCursor: "cursor-1",
            hasMore: false,
          },
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    requestId: request.requestId,
    entries: [],
    pageInfo: {
      nextCursor: null,
      prevCursor: "cursor-1",
      hasMore: false,
    },
  });
});

test("fetches scoped recent provider sessions", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.fetchRecentProviderSessions({
    cwd: "/tmp/repo",
    providers: ["my-claude"],
    since: "2026-04-30T00:00:00.000Z",
    limit: 25,
  });

  expect(mock.sent).toHaveLength(1);
  const request = JSON.parse(String(mock.sent[0])) as {
    type: "session";
    message: {
      type: "fetch_recent_provider_sessions_request";
      requestId: string;
      cwd?: string;
      providers?: string[];
      since?: string;
      limit?: number;
    };
  };
  expect(request.message).toMatchObject({
    type: "fetch_recent_provider_sessions_request",
    cwd: "/tmp/repo",
    providers: ["my-claude"],
    since: "2026-04-30T00:00:00.000Z",
    limit: 25,
  });

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "fetch_recent_provider_sessions_response",
        payload: {
          requestId: request.message.requestId,
          entries: [
            {
              providerId: "codex",
              providerLabel: "Codex",
              providerHandleId: "thread-1",
              cwd: "/tmp/repo",
              title: "Import me",
              firstPromptPreview: "first prompt",
              lastPromptPreview: "last prompt",
              lastActivityAt: "2026-04-30T12:34:56.000Z",
            },
          ],
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    requestId: request.message.requestId,
    entries: [
      {
        providerId: "codex",
        providerLabel: "Codex",
        providerHandleId: "thread-1",
        cwd: "/tmp/repo",
        title: "Import me",
        firstPromptPreview: "first prompt",
        lastPromptPreview: "last prompt",
        lastActivityAt: "2026-04-30T12:34:56.000Z",
      },
    ],
  });
});

test("imports an agent by provider handle id", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.importAgent({
    providerId: "custom-codex",
    providerHandleId: "thread-1",
    cwd: "/tmp/repo",
  });

  expect(mock.sent).toHaveLength(1);
  const request = JSON.parse(String(mock.sent[0])) as {
    type: "session";
    message: {
      type: "import_agent_request";
      requestId: string;
      providerId?: string;
      providerHandleId?: string;
      sessionId?: string;
      cwd?: string;
    };
  };
  expect(request.message).toMatchObject({
    type: "import_agent_request",
    providerId: "custom-codex",
    providerHandleId: "thread-1",
    cwd: "/tmp/repo",
  });
  expect(request.message).not.toHaveProperty("sessionId");

  mock.triggerMessage(
    wrapSessionMessage({
      type: "status",
      payload: {
        status: "agent_resumed",
        requestId: request.message.requestId,
        agentId: "agent-1",
        timelineSize: 0,
        agent: {
          id: "agent-1",
          provider: "custom-codex",
          cwd: "/tmp/repo",
          model: null,
          features: [],
          thinkingOptionId: null,
          effectiveThinkingOptionId: null,
          createdAt: "2026-04-30T00:00:00.000Z",
          updatedAt: "2026-04-30T00:00:00.000Z",
          lastUserMessageAt: null,
          status: "idle",
          capabilities: {
            supportsStreaming: false,
            supportsSessionPersistence: false,
            supportsDynamicModes: false,
            supportsMcpServers: false,
            supportsReasoningStream: false,
            supportsToolInvocations: false,
          },
          currentModeId: null,
          availableModes: [],
          pendingPermissions: [],
          persistence: {
            provider: "custom-codex",
            sessionId: "thread-1",
            nativeHandle: "thread-1",
          },
          title: null,
          labels: {},
          requiresAttention: false,
          attentionReason: null,
        },
      },
    }),
  );

  await expect(promise).resolves.toMatchObject({
    id: "agent-1",
    provider: "custom-codex",
  });
});

test("uses server-provided dictation finish timeout budget", async () => {
  vi.useFakeTimers();
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const finishPromise = client.finishDictationStream("dict-1", 0);
  const finishError = finishPromise.then(
    () => null,
    (error) => error,
  );

  expect(mock.sent).toHaveLength(1);
  mock.triggerMessage(
    wrapSessionMessage({
      type: "dictation_stream_finish_accepted",
      payload: {
        dictationId: "dict-1",
        timeoutMs: 100,
      },
    }),
  );

  await vi.advanceTimersByTimeAsync(5_101);
  const error = await finishError;
  expect(error).toBeInstanceOf(Error);
  if (error instanceof Error) {
    expect(error.message).toContain("Timeout waiting for dictation finalization (5100ms)");
  }

  vi.useRealTimers();
});

test("resolves dictation finish when final arrives after finish accepted", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const finishPromise = client.finishDictationStream("dict-2", 1);
  expect(mock.sent).toHaveLength(1);

  mock.triggerMessage(
    wrapSessionMessage({
      type: "dictation_stream_finish_accepted",
      payload: {
        dictationId: "dict-2",
        timeoutMs: 1000,
      },
    }),
  );
  mock.triggerMessage(
    wrapSessionMessage({
      type: "dictation_stream_final",
      payload: {
        dictationId: "dict-2",
        text: "hello",
      },
    }),
  );

  await expect(finishPromise).resolves.toEqual({
    dictationId: "dict-2",
    text: "hello",
  });
});

test("cancels waiters when send fails (no leaked timeouts)", async () => {
  vi.useFakeTimers();
  const logger = createMockLogger();
  const mock = createMockTransport();
  let sendCount = 0;

  const transportFactory = () => ({
    ...mock.transport,
    send: () => {
      sendCount += 1;
      if (sendCount > 1) {
        throw new Error("boom");
      }
    },
  });

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.getCheckoutStatus("/tmp/project");
  await expect(promise).rejects.toThrow("boom");

  // Ensure we didn't leave a waiter behind that will reject later.
  const internal = client as unknown as { waiters: Set<unknown> };
  expect(internal.waiters.size).toBe(0);

  vi.runOnlyPendingTimers();
  vi.useRealTimers();
});

test("lists available providers via RPC", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.listAvailableProviders();
  expect(mock.sent).toHaveLength(1);

  const request = parseSentFrame(mock.sent[0]);
  expect(request.type).toBe("list_available_providers_request");

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "list_available_providers_response",
        payload: {
          providers: [
            { provider: "claude", available: true, error: null },
            { provider: "codex", available: false, error: "Missing binary" },
          ],
          error: null,
          fetchedAt: "2026-02-12T00:00:00.000Z",
          requestId: request.requestId,
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    providers: [
      { provider: "claude", available: true, error: null },
      { provider: "codex", available: false, error: "Missing binary" },
    ],
    error: null,
    fetchedAt: "2026-02-12T00:00:00.000Z",
    requestId: request.requestId,
  });
});

test("lists commands with draft config via RPC", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.listCommands("__new_agent__", {
    draftConfig: {
      provider: "codex",
      cwd: "/tmp/project",
      modeId: "bypassPermissions",
      model: "gpt-5",
      thinkingOptionId: "off",
    },
  });
  expect(mock.sent).toHaveLength(1);

  const request = parseSentFrame(mock.sent[0]);
  expect(request.type).toBe("list_commands_request");
  expect(request.agentId).toBe("__new_agent__");
  expect(request.draftConfig).toEqual({
    provider: "codex",
    cwd: "/tmp/project",
    modeId: "bypassPermissions",
    model: "gpt-5",
    thinkingOptionId: "off",
  });

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "list_commands_response",
        payload: {
          agentId: "__new_agent__",
          commands: [{ name: "help", description: "Show help", argumentHint: "" }],
          error: null,
          requestId: request.requestId,
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    agentId: "__new_agent__",
    commands: [{ name: "help", description: "Show help", argumentHint: "" }],
    error: null,
    requestId: request.requestId,
  });
});

test("lists commands with legacy requestId signature via RPC", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const promise = client.listCommands("agent-1", "req-legacy");
  expect(mock.sent).toHaveLength(1);

  const request = parseSentFrame(mock.sent[0]);
  expect(request.type).toBe("list_commands_request");
  expect(request.agentId).toBe("agent-1");
  expect(request.requestId).toBe("req-legacy");
  expect(request.draftConfig).toBeUndefined();

  mock.triggerMessage(
    JSON.stringify({
      type: "session",
      message: {
        type: "list_commands_response",
        payload: {
          agentId: "agent-1",
          commands: [],
          error: null,
          requestId: "req-legacy",
        },
      },
    }),
  );

  await expect(promise).resolves.toEqual({
    agentId: "agent-1",
    commands: [],
    error: null,
    requestId: "req-legacy",
  });
});

test("emits output events for the active terminal stream", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const seen: string[] = [];
  const unsubscribe = client.onTerminalStreamEvent((event) => {
    if (event.type !== "output") {
      return;
    }
    seen.push(new TextDecoder().decode(event.data));
  });

  const subscribePromise = client.subscribeTerminal("term-1", "sub-1");
  mock.triggerMessage(
    wrapSessionMessage({
      type: "subscribe_terminal_response",
      payload: {
        terminalId: "term-1",
        slot: 11,
        error: null,
        requestId: "sub-1",
      },
    }),
  );
  await subscribePromise;

  mock.triggerMessage(
    encodeTerminalStreamFrame({
      opcode: TerminalStreamOpcode.Output,
      slot: 11,
      payload: new TextEncoder().encode("hello"),
    }),
  );

  expect(seen).toEqual(["hello"]);
  expect(mock.sent).toHaveLength(1);
  unsubscribe();
});

test("emits snapshot events for the subscribed terminal stream", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const snapshots: unknown[] = [];
  client.onTerminalStreamEvent((event) => {
    if (event.type !== "snapshot") {
      return;
    }
    snapshots.push(event.state);
  });

  const subscribePromise = client.subscribeTerminal("term-1", "sub-2");
  mock.triggerMessage(
    wrapSessionMessage({
      type: "subscribe_terminal_response",
      payload: {
        terminalId: "term-1",
        slot: 12,
        error: null,
        requestId: "sub-2",
      },
    }),
  );
  await subscribePromise;

  const state = {
    rows: 1,
    cols: 5,
    grid: [[{ char: "h" }, { char: "e" }, { char: "l" }, { char: "l" }, { char: "o" }]],
    scrollback: [],
    cursor: { row: 0, col: 5 },
  };
  mock.triggerMessage(
    encodeTerminalStreamFrame({
      opcode: TerminalStreamOpcode.Snapshot,
      slot: 12,
      payload: encodeTerminalSnapshotPayload(state),
    }),
  );

  expect(snapshots).toEqual([state]);
});

test("sends input and resize frames for the subscribed terminal slot", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const subscribePromise = client.subscribeTerminal("term-1", "sub-3");
  mock.triggerMessage(
    wrapSessionMessage({
      type: "subscribe_terminal_response",
      payload: {
        terminalId: "term-1",
        slot: 13,
        error: null,
        requestId: "sub-3",
      },
    }),
  );
  await subscribePromise;
  mock.sent.length = 0;

  client.sendTerminalInput("term-1", {
    type: "input",
    data: "echo hello\r",
  });
  client.sendTerminalInput("term-1", {
    type: "resize",
    rows: 24,
    cols: 80,
  });

  const inputFrame = decodeTerminalStreamFrame(asUint8Array(mock.sent[0])!);
  const resizeFrame = decodeTerminalStreamFrame(asUint8Array(mock.sent[1])!);

  expect(inputFrame?.opcode).toBe(TerminalStreamOpcode.Input);
  expect(inputFrame?.slot).toBe(13);
  expect(new TextDecoder().decode(inputFrame?.payload ?? new Uint8Array())).toBe("echo hello\r");
  expect(resizeFrame?.opcode).toBe(TerminalStreamOpcode.Resize);
  expect(resizeFrame?.slot).toBe(13);
  expect(decodeTerminalResizePayload(resizeFrame?.payload ?? new Uint8Array())).toEqual({
    rows: 24,
    cols: 80,
  });
});

test("routes concurrent terminal stream frames by slot", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const seen: string[] = [];
  client.onTerminalStreamEvent((event) => {
    if (event.type !== "output") {
      return;
    }
    seen.push(`${event.terminalId}:${new TextDecoder().decode(event.data)}`);
  });

  const subscribeFirstPromise = client.subscribeTerminal("term-1", "sub-multi-1");
  mock.triggerMessage(
    wrapSessionMessage({
      type: "subscribe_terminal_response",
      payload: {
        terminalId: "term-1",
        slot: 21,
        error: null,
        requestId: "sub-multi-1",
      },
    }),
  );
  await subscribeFirstPromise;

  const subscribeSecondPromise = client.subscribeTerminal("term-2", "sub-multi-2");
  mock.triggerMessage(
    wrapSessionMessage({
      type: "subscribe_terminal_response",
      payload: {
        terminalId: "term-2",
        slot: 22,
        error: null,
        requestId: "sub-multi-2",
      },
    }),
  );
  await subscribeSecondPromise;
  mock.sent.length = 0;

  mock.triggerMessage(
    encodeTerminalStreamFrame({
      opcode: TerminalStreamOpcode.Output,
      slot: 22,
      payload: new TextEncoder().encode("beta"),
    }),
  );
  mock.triggerMessage(
    encodeTerminalStreamFrame({
      opcode: TerminalStreamOpcode.Output,
      slot: 21,
      payload: new TextEncoder().encode("alpha"),
    }),
  );

  client.sendTerminalInput("term-2", {
    type: "input",
    data: "echo beta\r",
  });
  client.sendTerminalInput("term-1", {
    type: "resize",
    rows: 10,
    cols: 20,
  });

  const inputFrame = decodeTerminalStreamFrame(asUint8Array(mock.sent[0])!);
  const resizeFrame = decodeTerminalStreamFrame(asUint8Array(mock.sent[1])!);

  expect(seen).toEqual(["term-2:beta", "term-1:alpha"]);
  expect(inputFrame?.opcode).toBe(TerminalStreamOpcode.Input);
  expect(inputFrame?.slot).toBe(22);
  expect(resizeFrame?.opcode).toBe(TerminalStreamOpcode.Resize);
  expect(resizeFrame?.slot).toBe(21);
});

test("ignores terminal stream frames after terminal_stream_exit", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const seen: string[] = [];
  const unsubscribe = client.onTerminalStreamEvent((event) => {
    if (event.type !== "output") {
      return;
    }
    seen.push(new TextDecoder().decode(event.data));
  });

  const subscribePromise = client.subscribeTerminal("term-1", "sub-4");
  mock.triggerMessage(
    wrapSessionMessage({
      type: "subscribe_terminal_response",
      payload: {
        terminalId: "term-1",
        slot: 14,
        error: null,
        requestId: "sub-4",
      },
    }),
  );
  await subscribePromise;

  mock.triggerMessage(
    encodeTerminalStreamFrame({
      opcode: TerminalStreamOpcode.Output,
      slot: 14,
      payload: new TextEncoder().encode("before-exit"),
    }),
  );
  expect(seen).toEqual(["before-exit"]);

  mock.triggerMessage(
    wrapSessionMessage({
      type: "terminal_stream_exit",
      payload: {
        terminalId: "term-1",
      },
    }),
  );

  mock.triggerMessage(
    encodeTerminalStreamFrame({
      opcode: TerminalStreamOpcode.Output,
      slot: 14,
      payload: new TextEncoder().encode("after-exit"),
    }),
  );

  expect(seen).toEqual(["before-exit"]);
  unsubscribe();
});

test("parses canonical agent_stream tool_call payloads without crashing", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const received: unknown[] = [];
  const unsubscribe = client.on("agent_stream", (msg) => {
    received.push(msg);
  });

  mock.triggerMessage(
    wrapSessionMessage({
      type: "agent_stream",
      payload: {
        agentId: "agent_cli",
        timestamp: "2026-02-08T20:20:00.000Z",
        event: {
          type: "timeline",
          provider: "codex",
          item: {
            type: "tool_call",
            callId: "call_cli_stream",
            name: "shell",
            status: "running",
            detail: {
              type: "shell",
              command: "pwd",
            },
            error: null,
          },
        },
      },
    }),
  );

  unsubscribe();

  expect(received).toHaveLength(1);
  expect(received[0]).toMatchObject({
    payload: {
      event: {
        item: {
          status: "running",
          error: null,
          detail: { type: "shell" },
        },
      },
    },
  });
  expect(logger.warn).not.toHaveBeenCalled();
});

test("drops legacy agent_stream tool_call payloads and logs validation warning", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const received: unknown[] = [];
  const unsubscribe = client.on("agent_stream", (msg) => {
    received.push(msg);
  });

  mock.triggerMessage(
    wrapSessionMessage({
      type: "agent_stream",
      payload: {
        agentId: "agent_cli",
        timestamp: "2026-02-08T20:20:00.000Z",
        event: {
          type: "timeline",
          provider: "codex",
          item: {
            type: "tool_call",
            callId: "call_cli_stream_legacy",
            name: "shell",
            status: "inProgress",
            detail: {
              type: "unknown",
              input: { command: "pwd" },
              output: null,
            },
          },
        },
      },
    }),
  );

  unsubscribe();

  expect(received).toHaveLength(0);
  expect(logger.warn).toHaveBeenCalled();
});

test("parses canonical fetch_agent_timeline_response payloads without crashing", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const received: unknown[] = [];
  const unsubscribe = client.on("fetch_agent_timeline_response", (msg) => {
    received.push(msg);
  });

  mock.triggerMessage(
    wrapSessionMessage({
      type: "fetch_agent_timeline_response",
      payload: {
        requestId: "req-1",
        agentId: "agent_cli",
        agent: null,
        direction: "tail",
        projection: "projected",
        epoch: "epoch-1",
        reset: false,
        staleCursor: false,
        gap: false,
        window: { minSeq: 1, maxSeq: 1, nextSeq: 2 },
        startCursor: { epoch: "epoch-1", seq: 1 },
        endCursor: { epoch: "epoch-1", seq: 1 },
        hasOlder: false,
        hasNewer: false,
        entries: [
          {
            timestamp: "2026-02-08T20:20:00.000Z",
            provider: "codex",
            seqStart: 1,
            seqEnd: 1,
            sourceSeqRanges: [{ startSeq: 1, endSeq: 1 }],
            collapsed: [],
            item: {
              type: "tool_call",
              callId: "call_cli_snapshot",
              name: "shell",
              status: "running",
              detail: {
                type: "shell",
                command: "pwd",
              },
              error: null,
            },
          },
        ],
        error: null,
      },
    }),
  );

  unsubscribe();

  expect(received).toHaveLength(1);
  expect(received[0]).toMatchObject({
    payload: {
      entries: [
        {
          item: {
            type: "tool_call",
            status: "running",
            error: null,
            detail: { type: "shell" },
          },
        },
      ],
    },
  });
  expect(logger.warn).not.toHaveBeenCalled();
});

test("drops invalid fetch_agent_timeline_response tool_call payloads and logs validation warning", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const received: unknown[] = [];
  const unsubscribe = client.on("fetch_agent_timeline_response", (msg) => {
    received.push(msg);
  });

  mock.triggerMessage(
    wrapSessionMessage({
      type: "fetch_agent_timeline_response",
      payload: {
        requestId: "req-invalid",
        agentId: "agent_cli",
        agent: null,
        direction: "tail",
        projection: "projected",
        epoch: "epoch-1",
        reset: false,
        staleCursor: false,
        gap: false,
        window: { minSeq: 1, maxSeq: 1, nextSeq: 2 },
        startCursor: { epoch: "epoch-1", seq: 1 },
        endCursor: { epoch: "epoch-1", seq: 1 },
        hasOlder: false,
        hasNewer: false,
        entries: [
          {
            timestamp: "2026-02-08T20:20:00.000Z",
            provider: "codex",
            seqStart: 1,
            seqEnd: 1,
            sourceSeqRanges: [{ startSeq: 1, endSeq: 1 }],
            collapsed: [],
            item: {
              type: "tool_call",
              callId: "call_cli_invalid",
              name: "shell",
              status: "inProgress",
              detail: {
                type: "unknown",
                input: { command: "pwd" },
                output: null,
              },
            },
          },
        ],
        error: null,
      },
    }),
  );

  unsubscribe();

  expect(received).toHaveLength(0);
  expect(logger.warn).toHaveBeenCalled();
});

test("sends subscribe/unsubscribe terminals messages", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  client.subscribeTerminals({ cwd: "/tmp/project" });
  client.unsubscribeTerminals({ cwd: "/tmp/project" });

  expect(mock.sent).toHaveLength(2);
  expect(JSON.parse(assertStr(mock.sent[0]))).toEqual({
    type: "session",
    message: {
      type: "subscribe_terminals_request",
      cwd: "/tmp/project",
    },
  });
  expect(JSON.parse(assertStr(mock.sent[1]))).toEqual({
    type: "session",
    message: {
      type: "unsubscribe_terminals_request",
      cwd: "/tmp/project",
    },
  });
});

test("dispatches terminals_changed events to typed listeners", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const received: Array<{ cwd: string; names: string[] }> = [];
  const unsubscribe = client.on("terminals_changed", (message) => {
    received.push({
      cwd: message.payload.cwd,
      names: message.payload.terminals.map((terminal) => terminal.name),
    });
  });

  mock.triggerMessage(
    wrapSessionMessage({
      type: "terminals_changed",
      payload: {
        cwd: "/tmp/project",
        terminals: [
          {
            id: "term-1",
            name: "Dev Server",
          },
        ],
      },
    }),
  );

  unsubscribe();

  expect(received).toEqual([
    {
      cwd: "/tmp/project",
      names: ["Dev Server"],
    },
  ]);
});

test("sends close_items_request and resolves close_items_response", async () => {
  const logger = createMockLogger();
  const mock = createMockTransport();

  const client = new DaemonClient({
    url: "ws://test",
    clientId: "clsk_unit_test",
    logger,
    reconnect: { enabled: false },
    transportFactory: () => mock.transport,
  });
  clients.push(client);

  const connectPromise = client.connect();
  mock.triggerOpen();
  await connectPromise;

  const responsePromise = client.closeItems(
    {
      agentIds: ["agent-1"],
      terminalIds: ["term-1"],
    },
    "req-close-items",
  );

  expect(JSON.parse(assertStr(mock.sent[0]))).toEqual({
    type: "session",
    message: {
      type: "close_items_request",
      agentIds: ["agent-1"],
      terminalIds: ["term-1"],
      requestId: "req-close-items",
    },
  });

  mock.triggerMessage(
    wrapSessionMessage({
      type: "close_items_response",
      payload: {
        agents: [{ agentId: "agent-1", archivedAt: "2026-04-01T00:00:00.000Z" }],
        terminals: [{ terminalId: "term-1", success: true }],
        requestId: "req-close-items",
      },
    }),
  );

  await expect(responsePromise).resolves.toEqual({
    agents: [{ agentId: "agent-1", archivedAt: "2026-04-01T00:00:00.000Z" }],
    terminals: [{ terminalId: "term-1", success: true }],
    requestId: "req-close-items",
  });
});

test("waitForFinish with timeout=0 omits timeoutMs and has no client deadline", async () => {
  vi.useFakeTimers();
  try {
    const logger = createMockLogger();
    const mock = createMockTransport();

    const client = new DaemonClient({
      url: "ws://test",
      clientId: "clsk_unit_test",
      logger,
      reconnect: { enabled: false },
      transportFactory: () => mock.transport,
    });
    clients.push(client);

    const connectPromise = client.connect();
    mock.triggerOpen();
    await connectPromise;

    const waitPromise = client.waitForFinish("agent-wait-zero-timeout", 0);

    expect(mock.sent).toHaveLength(1);
    const request = parseSentFrame(mock.sent[0]);
    expect(request.type).toBe("wait_for_finish_request");
    expect(request.agentId).toBe("agent-wait-zero-timeout");
    expect(request).not.toHaveProperty("timeoutMs");

    const settled = vi.fn();
    void waitPromise.then(
      () => settled("resolved"),
      () => settled("rejected"),
    );

    await vi.advanceTimersByTimeAsync(5 * 60 * 1000);
    expect(settled).not.toHaveBeenCalled();

    mock.triggerMessage(
      wrapSessionMessage({
        type: "wait_for_finish_response",
        payload: {
          requestId: request.requestId,
          status: "idle",
          final: null,
          error: null,
          lastMessage: null,
        },
      }),
    );

    await expect(waitPromise).resolves.toEqual({
      status: "idle",
      final: null,
      error: null,
      lastMessage: null,
    });
  } finally {
    vi.useRealTimers();
  }
});